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module({
Emscripten: '../../../../build/embind_test.js',
}, function(imports) {
var cm = imports.Emscripten;
var CheckForLeaks = fixture("check for leaks", function() {
this.setUp(function() {
cm.setDelayFunction(undefined);
if (typeof INVOKED_FROM_EMSCRIPTEN_TEST_RUNNER === "undefined") { // TODO: Enable this to work in Emscripten runner as well!
assert.equal(0, cm.count_emval_handles());
}
});
this.tearDown(function() {
cm.flushPendingDeletes();
if (typeof INVOKED_FROM_EMSCRIPTEN_TEST_RUNNER === "undefined") { // TODO: Enable this to work in Emscripten runner as well!
assert.equal(0, cm.count_emval_handles());
}
});
});
var BaseFixture = CheckForLeaks;
BaseFixture.extend("temp jig", function() {
test("temp test", function() {
});
});
BaseFixture.extend("access to base class members", function() {
test("method name in derived class silently overrides inherited name", function() {
var derived = new cm.Derived();
assert.equal("Derived", derived.getClassName());
derived.delete();
});
test("can reference base method from derived class", function(){
var derived = new cm.Derived();
assert.equal("Base", derived.getClassNameFromBase());
derived.delete();
});
test("can reference base method from doubly derived class", function() {
var derivedTwice = new cm.DerivedTwice();
assert.equal("Base", derivedTwice.getClassNameFromBase());
derivedTwice.delete();
});
test("can reference base method through unbound classes", function() {
var derivedThrice = new cm.DerivedThrice();
assert.equal("Base", derivedThrice.getClassNameFromBase());
derivedThrice.delete();
});
test("property name in derived class hides identically named property in base class for set", function() {
var derived = new cm.Derived();
derived.setMember(7);
derived.member = 17;
assert.equal(17, derived.getMember());
derived.delete();
});
test("can reference base property from derived class for get", function(){
var derived = new cm.Derived();
derived.setBaseMember(5);
assert.equal(5, derived.baseMember);
derived.delete();
});
test("can reference property of any base class for get when multiply derived", function(){
var derived = new cm.MultiplyDerived();
derived.setBaseMember(11);
assert.equal(11, derived.baseMember);
derived.delete();
});
test("can reference base property from derived class for set", function(){
var derived = new cm.Derived();
derived.baseMember = 32;
assert.equal(32, derived.getBaseMember());
derived.delete();
});
test("can reference property of any base for set when multiply derived", function(){
var derived = new cm.MultiplyDerived();
derived.setBaseMember(97);
derived.baseMember = 32;
assert.equal(32, derived.getBaseMember());
derived.delete();
});
test("can reach around derived property to access base property with same name for get", function() {
var derived = new cm.Derived();
derived.setMember(12);
derived.delete();
});
test("if deriving from second base adjusts pointer", function() {
var derived = new cm.HasTwoBases;
assert.equal("Base2", derived.getField());
derived.delete();
});
test("properties adjust pointer", function() {
var derived = new cm.HasTwoBases;
derived.field = "Foo";
assert.equal("Foo", derived.getField());
assert.equal("Foo", derived.field);
derived.delete();
});
test("calling method on unrelated class throws error", function() {
var a = new cm.HasTwoBases;
var e = assert.throws(cm.BindingError, function() {
cm.Derived.prototype.setMember.call(a, "foo");
});
assert.equal('Expected null or instance of Derived, got an instance of Base2', e.message);
a.delete();
// Base1 and Base2 both have the method 'getField()' exposed - make sure
// that calling the Base2 function with a 'this' instance of Base1 doesn't accidentally work!
var b = new cm.Base1;
var e = assert.throws(cm.BindingError, function() {
cm.Base2.prototype.getField.call(b);
});
assert.equal('Expected null or instance of Base2, got an instance of Base1', e.message);
b.delete();
});
test("calling method with invalid this throws error", function() {
var e = assert.throws(cm.BindingError, function() {
cm.Derived.prototype.setMember.call(undefined, "foo");
});
assert.equal('Cannot pass "[object global]" as a Derived*', e.message);
var e = assert.throws(cm.BindingError, function() {
cm.Derived.prototype.setMember.call(true, "foo");
});
assert.equal('Cannot pass "true" as a Derived*', e.message);
var e = assert.throws(cm.BindingError, function() {
cm.Derived.prototype.setMember.call(null, "foo");
});
assert.equal('Cannot pass "[object global]" as a Derived*', e.message);
var e = assert.throws(cm.BindingError, function() {
cm.Derived.prototype.setMember.call(42, "foo");
});
assert.equal('Cannot pass "42" as a Derived*', e.message);
var e = assert.throws(cm.BindingError, function() {
cm.Derived.prototype.setMember.call("this", "foo");
});
assert.equal('Cannot pass "this" as a Derived*', e.message);
var e = assert.throws(cm.BindingError, function() {
cm.Derived.prototype.setMember.call({}, "foo");
});
assert.equal('Cannot pass "[object Object]" as a Derived*', e.message);
});
test("setting and getting property on unrelated class throws error", function() {
var a = new cm.HasTwoBases;
var e = assert.throws(cm.BindingError, function() {
Object.getOwnPropertyDescriptor(cm.HeldBySmartPtr.prototype, 'i').set.call(a, 10);
});
assert.equal('HeldBySmartPtr.i setter incompatible with "this" of type HasTwoBases', e.message);
var e = assert.throws(cm.BindingError, function() {
Object.getOwnPropertyDescriptor(cm.HeldBySmartPtr.prototype, 'i').get.call(a);
});
assert.equal('HeldBySmartPtr.i getter incompatible with "this" of type HasTwoBases', e.message);
a.delete();
});
});
BaseFixture.extend("automatic upcasting of parameters passed to C++", function() {
// raw
test("raw pointer argument is upcast to parameter type", function() {
var derived = new cm.Derived();
var name = cm.embind_test_get_class_name_via_base_ptr(derived);
assert.equal("Base", name);
derived.delete();
});
test("automatic raw pointer upcasting works with multiple inheritance", function() {
var derived = new cm.MultiplyDerived();
var name = cm.embind_test_get_class_name_via_base_ptr(derived);
assert.equal("Base", name);
derived.delete();
});
test("automatic raw pointer upcasting does not change local pointer", function() {
var derived = new cm.MultiplyDerived();
cm.embind_test_get_class_name_via_base_ptr(derived);
assert.equal("MultiplyDerived", derived.getClassName());
derived.delete();
});
test("passing incompatible raw pointer to method throws exception", function() {
var base = new cm.Base();
assert.throws(cm.BindingError, function() {
cm.embind_test_get_class_name_via_second_base_ptr(base);
});
base.delete();
});
// raw polymorphic
test("polymorphic raw pointer argument is upcast to parameter type", function() {
var derived = new cm.PolyDerived();
var name = cm.embind_test_get_class_name_via_polymorphic_base_ptr(derived);
assert.equal("PolyBase", name);
derived.delete();
});
test("automatic polymorphic raw pointer upcasting works with multiple inheritance", function() {
var derived = new cm.PolyMultiplyDerived();
var name = cm.embind_test_get_class_name_via_polymorphic_base_ptr(derived);
assert.equal("PolyBase", name);
derived.delete();
});
test("passing incompatible raw polymorphic pointer to method throws exception", function() {
var base = new cm.PolyBase();
assert.throws(cm.BindingError, function() {
cm.embind_test_get_class_name_via_polymorphic_second_base_ptr(base);
});
base.delete();
});
// smart
test("can pass smart pointer to raw pointer parameter", function() {
var smartBase = cm.embind_test_return_smart_base_ptr();
assert.equal("Base", cm.embind_test_get_class_name_via_base_ptr(smartBase));
smartBase.delete();
});
test("can pass and upcast smart pointer to raw pointer parameter", function() {
var smartDerived = cm.embind_test_return_smart_derived_ptr();
assert.equal("Base", cm.embind_test_get_class_name_via_base_ptr(smartDerived));
smartDerived.delete();
});
test("smart pointer argument is upcast to parameter type", function() {
var derived = cm.embind_test_return_smart_derived_ptr();
assert.instanceof(derived, cm.Derived);
assert.instanceof(derived, cm.Base);
var name = cm.embind_test_get_class_name_via_smart_base_ptr(derived);
assert.equal("Base", name);
derived.delete();
});
test("return smart derived ptr as base", function() {
var derived = cm.embind_test_return_smart_derived_ptr_as_base();
assert.equal("PolyDerived", cm.embind_test_get_virtual_class_name_via_smart_polymorphic_base_ptr(derived));
assert.equal("PolyDerived", derived.getClassName());
derived.delete();
});
test("return smart derived ptr as val", function() {
var derived = cm.embind_test_return_smart_derived_ptr_as_val();
assert.equal("PolyDerived", cm.embind_test_get_virtual_class_name_via_smart_polymorphic_base_ptr(derived));
derived.delete();
});
test("automatic smart pointer upcasting works with multiple inheritance", function() {
var derived = cm.embind_test_return_smart_multiply_derived_ptr();
var name = cm.embind_test_get_class_name_via_smart_base_ptr(derived);
assert.equal("Base", name);
derived.delete();
});
test("automatically upcasted smart pointer parameter shares ownership with original argument", function() {
var derived = cm.embind_test_return_smart_multiply_derived_ptr();
assert.equal(1, cm.MultiplyDerived.getInstanceCount());
cm.embind_save_smart_base_pointer(derived);
assert.equal(1, cm.MultiplyDerived.getInstanceCount());
derived.delete();
assert.equal(1, cm.MultiplyDerived.getInstanceCount());
cm.embind_save_smart_base_pointer(null);
assert.equal(0, cm.MultiplyDerived.getInstanceCount());
});
// smart polymorphic
test("smart polymorphic pointer argument is upcast to parameter type", function() {
var derived = cm.embind_test_return_smart_polymorphic_derived_ptr();
var name = cm.embind_test_get_class_name_via_smart_polymorphic_base_ptr(derived);
assert.equal("PolyBase", name);
derived.delete();
});
test("automatic smart polymorphic pointer upcasting works with multiple inheritance", function() {
var derived = cm.embind_test_return_smart_polymorphic_multiply_derived_ptr();
var name = cm.embind_test_get_class_name_via_smart_polymorphic_base_ptr(derived);
assert.equal("PolyBase", name);
derived.delete();
});
});
BaseFixture.extend("automatic downcasting of return values received from C++", function() {
// raw
test("non-polymorphic raw pointers are not downcast and do not break automatic casting mechanism", function() {
var base = cm.embind_test_return_raw_derived_ptr_as_base();
assert.equal("Base", base.getClassName());
assert.instanceof(base, cm.Base);
base.delete();
});
// raw polymorphic
test("polymorphic raw pointer return value is downcast to allocated type (if that is bound)", function() {
var derived = cm.embind_test_return_raw_polymorphic_derived_ptr_as_base();
assert.instanceof(derived, cm.PolyBase);
assert.instanceof(derived, cm.PolyDerived);
assert.equal("PolyDerived", derived.getClassName());
var siblingDerived = cm.embind_test_return_raw_polymorphic_sibling_derived_ptr_as_base();
assert.equal("PolySiblingDerived", siblingDerived.getClassName());
siblingDerived.delete();
derived.delete();
});
test("polymorphic raw pointer return value is downcast to the most derived bound type", function() {
var derivedThrice = cm.embind_test_return_raw_polymorphic_derived_four_times_not_bound_as_base();
// if the actual returned type is not bound, then don't assume anything
assert.equal("PolyBase", derivedThrice.getClassName());
// if we ever fix this, then reverse the assertion
//assert.equal("PolyDerivedThrice", derivedThrice.getClassName());
derivedThrice.delete();
});
test("polymorphic smart pointer return value is downcast to the most derived type which has an associated smart pointer", function() {
var derived = cm.embind_test_return_poly_derived_twice_without_smart_pointer_as_poly_base();
// if the actual returned type is not bound, then don't assume anything
assert.equal("PolyBase", derived.getClassName());
// if we ever fix this, then remove the assertion
//assert.equal("PolyDerived", derived.getClassName());
derived.delete();
});
test("automatic downcasting works with multiple inheritance", function() {
var base = cm.embind_test_return_raw_polymorphic_multiply_derived_ptr_as_base();
var secondBase = cm.embind_test_return_raw_polymorphic_multiply_derived_ptr_as_second_base();
assert.equal("PolyMultiplyDerived", base.getClassName());
// embind does not support multiple inheritance
//assert.equal("PolyMultiplyDerived", secondBase.getClassName());
secondBase.delete();
base.delete();
});
// smart
test("non-polymorphic smart pointers do not break automatic casting mechanism", function() {
});
// smart polymorphic
test("automatically downcasting a smart pointer does not change the underlying pointer", function() {
cm.PolyDerived.setPtrDerived();
assert.equal("PolyBase", cm.PolyDerived.getPtrClassName());
var derived = cm.PolyDerived.getPtr();
assert.equal("PolyDerived", derived.getClassName());
assert.equal("PolyBase", cm.PolyDerived.getPtrClassName());
derived.delete();
cm.PolyDerived.releasePtr();
});
test("polymorphic smart pointer return value is actual allocated type (when bound)", function() {
var derived = cm.embind_test_return_smart_polymorphic_derived_ptr_as_base();
assert.equal("PolyDerived", derived.getClassName());
var siblingDerived = cm.embind_test_return_smart_polymorphic_sibling_derived_ptr_as_base();
assert.equal("PolySiblingDerived", siblingDerived.getClassName());
siblingDerived.delete();
derived.delete();
});
});
BaseFixture.extend("string", function() {
test("non-ascii strings", function() {
var expected = '';
for (var i = 0; i < 128; ++i) {
expected += String.fromCharCode(128 + i);
}
assert.equal(expected, cm.get_non_ascii_string());
});
test("passing non-8-bit strings from JS to std::string throws", function() {
assert.throws(cm.BindingError, function() {
cm.emval_test_take_and_return_std_string("\u1234");
});
});
test("can't pass integers as strings", function() {
var e = assert.throws(cm.BindingError, function() {
cm.emval_test_take_and_return_std_string(10);
});
});
test("can pass Uint8Array to std::string", function() {
var e = cm.emval_test_take_and_return_std_string(new Uint8Array([65, 66, 67, 68]));
assert.equal('ABCD', e);
});
test("can pass Int8Array to std::string", function() {
var e = cm.emval_test_take_and_return_std_string(new Int8Array([65, 66, 67, 68]));
assert.equal('ABCD', e);
});
test("can pass ArrayBuffer to std::string", function() {
var e = cm.emval_test_take_and_return_std_string((new Int8Array([65, 66, 67, 68])).buffer);
assert.equal('ABCD', e);
});
test("can pass Uint8Array to std::basic_string<unsigned char>", function() {
var e = cm.emval_test_take_and_return_std_basic_string_unsigned_char(new Uint8Array([65, 66, 67, 68]));
assert.equal('ABCD', e);
});
test("can pass Int8Array to std::basic_string<unsigned char>", function() {
var e = cm.emval_test_take_and_return_std_basic_string_unsigned_char(new Int8Array([65, 66, 67, 68]));
assert.equal('ABCD', e);
});
test("can pass ArrayBuffer to std::basic_string<unsigned char>", function() {
var e = cm.emval_test_take_and_return_std_basic_string_unsigned_char((new Int8Array([65, 66, 67, 68])).buffer);
assert.equal('ABCD', e);
});
test("non-ascii wstrings", function() {
var expected = String.fromCharCode(10) +
String.fromCharCode(1234) +
String.fromCharCode(2345) +
String.fromCharCode(65535);
assert.equal(expected, cm.get_non_ascii_wstring());
});
test("passing unicode string into C++", function() {
var expected = String.fromCharCode(10) +
String.fromCharCode(1234) +
String.fromCharCode(2345) +
String.fromCharCode(65535);
assert.equal(expected, cm.take_and_return_std_wstring(expected));
});
});
BaseFixture.extend("embind", function() {
test("value creation", function() {
assert.equal(15, cm.emval_test_new_integer());
assert.equal("Hello everyone", cm.emval_test_new_string());
assert.equal("Hello everyone", cm.emval_test_get_string_from_val({key: "Hello everyone"}));
var object = cm.emval_test_new_object();
assert.equal('bar', object.foo);
assert.equal(1, object.baz);
});
test("pass const reference to primitive", function() {
assert.equal(3, cm.const_ref_adder(1, 2));
});
test("passthrough", function() {
var a = {foo: 'bar'};
var b = cm.emval_test_passthrough(a);
a.bar = 'baz';
assert.equal('baz', b.bar);
assert.equal(0, cm.count_emval_handles());
});
test("void return converts to undefined", function() {
assert.equal(undefined, cm.emval_test_return_void());
});
test("booleans can be marshalled", function() {
assert.equal(false, cm.emval_test_not(true));
assert.equal(true, cm.emval_test_not(false));
});
test("can pass booleans as integers", function() {
assert.equal(1, cm.emval_test_as_unsigned(true));
assert.equal(0, cm.emval_test_as_unsigned(false));
});
test("can pass booleans as floats", function() {
assert.equal(2, cm.const_ref_adder(true, true));
});
test("convert double to unsigned", function() {
var rv = cm.emval_test_as_unsigned(1.5);
assert.equal('number', typeof rv);
assert.equal(1, rv);
assert.equal(0, cm.count_emval_handles());
});
test("get length of array", function() {
assert.equal(10, cm.emval_test_get_length([0, 1, 2, 3, 4, 5, 'a', 'b', 'c', 'd']));
assert.equal(0, cm.count_emval_handles());
});
test("add a bunch of things", function() {
assert.equal(66.0, cm.emval_test_add(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11));
assert.equal(0, cm.count_emval_handles());
});
test("sum array", function() {
assert.equal(66, cm.emval_test_sum([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]));
assert.equal(0, cm.count_emval_handles());
});
test("strings", function() {
assert.equal("foobar", "foo" + "bar");
assert.equal("foobar", cm.emval_test_take_and_return_std_string("foobar"));
assert.equal("foobar", cm.emval_test_take_and_return_std_string_const_ref("foobar"));
});
test("nuls pass through strings", function() {
assert.equal("foo\0bar", cm.emval_test_take_and_return_std_string("foo\0bar"));
});
test("no memory leak when passing strings in by const reference", function() {
cm.emval_test_take_and_return_std_string_const_ref("foobar");
});
test("can create new object", function() {
assert.deepEqual({}, cm.embind_test_new_Object());
});
test("can invoke constructors with arguments", function() {
function constructor(i, s, argument) {
this.i = i;
this.s = s;
this.argument = argument;
}
constructor.prototype.method = function() {
return this.argument;
};
var x = {};
var instance = cm.embind_test_new_factory(constructor, x);
assert.equal(10, instance.i);
assert.equal("hello", instance.s);
assert.equal(x, instance.argument);
});
test("can return module property objects", function() {
assert.equal(cm.HEAP8, cm.get_module_property("HEAP8"));
});
test("can return big class instances", function() {
var c = cm.embind_test_return_big_class_instance();
assert.equal(11, c.member);
c.delete();
});
test("can return small class instances", function() {
var c = cm.embind_test_return_small_class_instance();
assert.equal(7, c.member);
c.delete();
});
test("can pass small class instances", function() {
var c = new cm.SmallClass();
var m = cm.embind_test_accept_small_class_instance(c);
assert.equal(7, m);
c.delete();
});
test("can pass big class instances", function() {
var c = new cm.BigClass();
var m = cm.embind_test_accept_big_class_instance(c);
assert.equal(11, m);
c.delete();
});
test("can pass unique_ptr", function() {
var p = cm.embind_test_return_unique_ptr(42);
var m = cm.embind_test_accept_unique_ptr(p);
assert.equal(42, m);
});
test("can pass unique_ptr to constructor", function() {
var c = new cm.embind_test_construct_class_with_unique_ptr(42);
assert.equal(42, c.getValue());
c.delete();
});
test("can get member classes then call its member functions", function() {
var p = new cm.ParentClass();
var c = p.getBigClass();
var m = c.getMember();
assert.equal(11, m);
c.delete();
p.delete();
});
test('C++ -> JS primitive type range checks', function() {
// all types should have zero.
assert.equal("0", cm.char_to_string(0));
assert.equal("0", cm.signed_char_to_string(0));
assert.equal("0", cm.unsigned_char_to_string(0));
assert.equal("0", cm.short_to_string(0));
assert.equal("0", cm.unsigned_short_to_string(0));
assert.equal("0", cm.int_to_string(0));
assert.equal("0", cm.unsigned_int_to_string(0));
assert.equal("0", cm.long_to_string(0));
assert.equal("0", cm.unsigned_long_to_string(0));
// all types should have positive values.
assert.equal("5", cm.char_to_string(5));
assert.equal("5", cm.signed_char_to_string(5));
assert.equal("5", cm.unsigned_char_to_string(5));
assert.equal("5", cm.short_to_string(5));
assert.equal("5", cm.unsigned_short_to_string(5));
assert.equal("5", cm.int_to_string(5));
assert.equal("5", cm.unsigned_int_to_string(5));
assert.equal("5", cm.long_to_string(5));
assert.equal("5", cm.unsigned_long_to_string(5));
// signed types should have negative values.
assert.equal("-5", cm.char_to_string(-5)); // Assuming char as signed.
assert.equal("-5", cm.signed_char_to_string(-5));
assert.equal("-5", cm.short_to_string(-5));
assert.equal("-5", cm.int_to_string(-5));
assert.equal("-5", cm.long_to_string(-5));
// assumptions: char == signed char == 8 bits
// unsigned char == 8 bits
// short == 16 bits
// int == long == 32 bits
// all types should have their max positive values.
assert.equal("127", cm.char_to_string(127));
assert.equal("127", cm.signed_char_to_string(127));
assert.equal("255", cm.unsigned_char_to_string(255));
assert.equal("32767", cm.short_to_string(32767));
assert.equal("65535", cm.unsigned_short_to_string(65535));
assert.equal("2147483647", cm.int_to_string(2147483647));
assert.equal("4294967295", cm.unsigned_int_to_string(4294967295));
assert.equal("2147483647", cm.long_to_string(2147483647));
assert.equal("4294967295", cm.unsigned_long_to_string(4294967295));
// signed types should have their min negative values.
assert.equal("-128", cm.char_to_string(-128));
assert.equal("-128", cm.signed_char_to_string(-128));
assert.equal("-32768", cm.short_to_string(-32768));
assert.equal("-2147483648", cm.int_to_string(-2147483648));
assert.equal("-2147483648", cm.long_to_string(-2147483648));
// passing out of range values should fail.
assert.throws(TypeError, function() { cm.char_to_string(-129); });
assert.throws(TypeError, function() { cm.char_to_string(128); });
assert.throws(TypeError, function() { cm.signed_char_to_string(-129); });
assert.throws(TypeError, function() { cm.signed_char_to_string(128); });
assert.throws(TypeError, function() { cm.unsigned_char_to_string(-1); });
assert.throws(TypeError, function() { cm.unsigned_char_to_string(256); });
assert.throws(TypeError, function() { cm.short_to_string(-32769); });
assert.throws(TypeError, function() { cm.short_to_string(32768); });
assert.throws(TypeError, function() { cm.unsigned_short_to_string(-1); });
assert.throws(TypeError, function() { cm.unsigned_short_to_string(65536); });
assert.throws(TypeError, function() { cm.int_to_string(-2147483649); });
assert.throws(TypeError, function() { cm.int_to_string(2147483648); });
assert.throws(TypeError, function() { cm.unsigned_int_to_string(-1); });
assert.throws(TypeError, function() { cm.unsigned_int_to_string(4294967296); });
assert.throws(TypeError, function() { cm.long_to_string(-2147483649); });
assert.throws(TypeError, function() { cm.long_to_string(2147483648); });
assert.throws(TypeError, function() { cm.unsigned_long_to_string(-1); });
assert.throws(TypeError, function() { cm.unsigned_long_to_string(4294967296); });
});
test("access multiple class ctors", function() {
var a = new cm.MultipleCtors(10);
assert.equal(a.WhichCtorCalled(), 1);
var b = new cm.MultipleCtors(20, 20);
assert.equal(b.WhichCtorCalled(), 2);
var c = new cm.MultipleCtors(30, 30, 30);
assert.equal(c.WhichCtorCalled(), 3);
a.delete();
b.delete();
c.delete();
});
test("access multiple smart ptr ctors", function() {
var a = new cm.MultipleSmartCtors(10);
assert.equal(a.WhichCtorCalled(), 1);
var b = new cm.MultipleCtors(20, 20);
assert.equal(b.WhichCtorCalled(), 2);
a.delete();
b.delete();
});
test("wrong number of constructor arguments throws", function() {
assert.throws(cm.BindingError, function() { new cm.MultipleCtors(); });
assert.throws(cm.BindingError, function() { new cm.MultipleCtors(1,2,3,4); });
});
test("overloading of free functions", function() {
var a = cm.overloaded_function(10);
assert.equal(a, 1);
var b = cm.overloaded_function(20, 20);
assert.equal(b, 2);
});
test("wrong number of arguments to an overloaded free function", function() {
assert.throws(cm.BindingError, function() { cm.overloaded_function(); });
assert.throws(cm.BindingError, function() { cm.overloaded_function(30, 30, 30); });
});
test("overloading of class member functions", function() {
var foo = new cm.MultipleOverloads();
assert.equal(foo.Func(10), 1);
assert.equal(foo.WhichFuncCalled(), 1);
assert.equal(foo.Func(20, 20), 2);
assert.equal(foo.WhichFuncCalled(), 2);
foo.delete();
});
test("wrong number of arguments to an overloaded class member function", function() {
var foo = new cm.MultipleOverloads();
assert.throws(cm.BindingError, function() { foo.Func(); });
assert.throws(cm.BindingError, function() { foo.Func(30, 30, 30); });
foo.delete();
});
test("wrong number of arguments to an overloaded class static function", function() {
assert.throws(cm.BindingError, function() { cm.MultipleOverloads.StaticFunc(); });
assert.throws(cm.BindingError, function() { cm.MultipleOverloads.StaticFunc(30, 30, 30); });
});
test("overloading of derived class member functions", function() {
var foo = new cm.MultipleOverloadsDerived();
// NOTE: In C++, default lookup rules will hide overloads from base class if derived class creates them.
// In JS, we make the base class overloads implicitly available. In C++, they would need to be explicitly
// invoked, like foo.MultipleOverloads::Func(10);
assert.equal(foo.Func(10), 1);
assert.equal(foo.WhichFuncCalled(), 1);
assert.equal(foo.Func(20, 20), 2);
assert.equal(foo.WhichFuncCalled(), 2);
assert.equal(foo.Func(30, 30, 30), 3);
assert.equal(foo.WhichFuncCalled(), 3);
assert.equal(foo.Func(40, 40, 40, 40), 4);
assert.equal(foo.WhichFuncCalled(), 4);
foo.delete();
});
test("overloading of class static functions", function() {
assert.equal(cm.MultipleOverloads.StaticFunc(10), 1);
assert.equal(cm.MultipleOverloads.WhichStaticFuncCalled(), 1);
assert.equal(cm.MultipleOverloads.StaticFunc(20, 20), 2);
assert.equal(cm.MultipleOverloads.WhichStaticFuncCalled(), 2);
});
test("overloading of derived class static functions", function() {
assert.equal(cm.MultipleOverloadsDerived.StaticFunc(30, 30, 30), 3);
// TODO: Cannot access static member functions of a Base class via Derived.
// assert.equal(cm.MultipleOverloadsDerived.WhichStaticFuncCalled(), 3);
assert.equal(cm.MultipleOverloads.WhichStaticFuncCalled(), 3);
assert.equal(cm.MultipleOverloadsDerived.StaticFunc(40, 40, 40, 40), 4);
// TODO: Cannot access static member functions of a Base class via Derived.
// assert.equal(cm.MultipleOverloadsDerived.WhichStaticFuncCalled(), 4);
assert.equal(cm.MultipleOverloads.WhichStaticFuncCalled(), 4);
});
/*
test("can get templated member classes then call its member functions", function() {
var p = new cm.ContainsTemplatedMemberClass();
var c = p.getTestTemplate();
var m = c.getMember(1);
assert.equal(87, m);
c.delete();
p.delete();
});
*/
});
BaseFixture.extend("vector", function() {
test("std::vector returns as an native object", function() {
var vec = cm.emval_test_return_vector();
assert.equal(3, vec.size());
assert.equal(10, vec.get(0));
assert.equal(20, vec.get(1));
assert.equal(30, vec.get(2));
vec.delete();
});
test("out of bounds std::vector access returns undefined", function() {
var vec = cm.emval_test_return_vector();
assert.throws(TypeError, function() { vec.get(-1); });
assert.equal(undefined, vec.get(4));
vec.delete();
});
test("std::vector<std::shared_ptr<>> can be passed back", function() {
var vec = cm.emval_test_return_shared_ptr_vector();
assert.equal(2, vec.size());
var str0 = vec.get(0);
var str1 = vec.get(1);
assert.equal('string #1', str0.get());
assert.equal('string #2', str1.get());
str0.delete();
str1.delete();
vec.delete();
});
test("objects can be pushed back", function() {
var vectorHolder = new cm.VectorHolder();
var vec = vectorHolder.get();
assert.equal(2, vec.size());
var str = new cm.StringHolder('abc');
vec.push_back(str);
str.delete();
assert.equal(3, vec.size());
var str = vec.get(2);
assert.equal('abc', str.get());
str.delete();
vec.delete();
vectorHolder.delete();
});
test("can get elements with array operator", function(){
var vec = cm.emval_test_return_vector();
assert.equal(10, vec.get(0));
vec.delete();
});
test("can set elements with array operator", function() {
var vec = cm.emval_test_return_vector();
assert.equal(10, vec.get(0));
vec.set(2, 60);
assert.equal(60, vec.get(2));
vec.delete();
});
test("can set and get objects", function() {
var vec = cm.emval_test_return_shared_ptr_vector();
var str = vec.get(0);
assert.equal('string #1', str.get());
str.delete();
vec.delete();
});
});
BaseFixture.extend("map", function() {
test("std::map returns as native object", function() {
var map = cm.embind_test_get_string_int_map();
assert.equal(2, map.size());
assert.equal(1, map.get("one"));
assert.equal(2, map.get("two"));
map.delete();
});
test("std::map can set keys and values", function() {
var map = cm.embind_test_get_string_int_map();
assert.equal(2, map.size());
map.set("three", 3);
assert.equal(3, map.size());
assert.equal(3, map.get("three"));
map.set("three", 4);
assert.equal(3, map.size());
assert.equal(4, map.get("three"));
map.delete();
});
});
BaseFixture.extend("functors", function() {
test("can get and call function ptrs", function() {
var ptr = cm.emval_test_get_function_ptr();
assert.equal("foobar", ptr.opcall("foobar"));
ptr.delete();
});
test("can pass functor to C++", function() {
var ptr = cm.emval_test_get_function_ptr();
assert.equal("asdf", cm.emval_test_take_and_call_functor(ptr));
ptr.delete();
});
test("can clone handles", function() {
var a = cm.emval_test_get_function_ptr();
var b = a.clone();
a.delete();
assert.throws(cm.BindingError, function() {
a.delete();
});
b.delete();
});
});
BaseFixture.extend("classes", function() {
test("class instance", function() {
var a = {foo: 'bar'};
assert.equal(0, cm.count_emval_handles());
var c = new cm.ValHolder(a);
assert.equal(1, cm.count_emval_handles());
assert.equal('bar', c.getVal().foo);
assert.equal(1, cm.count_emval_handles());
c.setVal('1234');
assert.equal('1234', c.getVal());
c.delete();
assert.equal(0, cm.count_emval_handles());
});
test("class properties can be methods", function() {
var a = {};
var b = {foo: 'foo'};
var c = new cm.ValHolder(a);
assert.equal(a, c.val);
c.val = b;
assert.equal(b, c.val);
c.delete();
});
test("class properties can be read-only", function() {
var a = {};
var h = new cm.ValHolder(a);
assert.equal(a, h.val_readonly);
var e = assert.throws(cm.BindingError, function() {
h.val_readonly = 10;
});
assert.equal('ValHolder.val_readonly is a read-only property', e.message);
h.delete();
});
test("read-only member field", function() {
var a = new cm.HasReadOnlyProperty(10);
assert.equal(10, a.i);
var e = assert.throws(cm.BindingError, function() {
a.i = 20;
});
assert.equal('HasReadOnlyProperty.i is a read-only property', e.message);
a.delete();
});
test("class instance $$ property is non-enumerable", function() {
var c = new cm.ValHolder(undefined);
assert.deepEqual([], Object.keys(c));
var d = c.clone();
c.delete();
assert.deepEqual([], Object.keys(d));
d.delete();
});
test("class methods", function() {
assert.equal(10, cm.ValHolder.some_class_method(10));
var b = cm.ValHolder.makeValHolder("foo");
assert.equal("foo", b.getVal());
b.delete();
});
test("can't call methods on deleted class instances", function() {
var c = new cm.ValHolder(undefined);
c.delete();
assert.throws(cm.BindingError, function() {
c.getVal();
});
assert.throws(cm.BindingError, function() {
c.delete();
});
});
test("calling constructor without new raises BindingError", function() {
var e = assert.throws(cm.BindingError, function() {
cm.ValHolder(undefined);
});
assert.equal("Use 'new' to construct ValHolder", e.message);
});
test("can return class instances by value", function() {
var c = cm.emval_test_return_ValHolder();
assert.deepEqual({}, c.getVal());
c.delete();
});
test("can pass class instances to functions by reference", function() {
var a = {a:1};
var c = new cm.ValHolder(a);
cm.emval_test_set_ValHolder_to_empty_object(c);
assert.deepEqual({}, c.getVal());
c.delete();
});
test("can pass smart pointer by reference", function() {
var base = cm.embind_test_return_smart_base_ptr();
var name = cm.embind_test_get_class_name_via_reference_to_smart_base_ptr(base);
assert.equal("Base", name);
base.delete();
});
test("can pass smart pointer by value", function() {
var base = cm.embind_test_return_smart_base_ptr();
var name = cm.embind_test_get_class_name_via_smart_base_ptr(base);
assert.equal("Base", name);
base.delete();
});
// todo: fix this
// This test does not work because we make no provision for argument values
// having been changed after returning from a C++ routine invocation. In
// this specific case, the original pointee of the smart pointer was
// freed and replaced by a new one, but the ptr in our local handle
// was never updated after returning from the call.
test("can modify smart pointers passed by reference", function() {
// var base = cm.embind_test_return_smart_base_ptr();
// cm.embind_modify_smart_pointer_passed_by_reference(base);
// assert.equal("Changed", base.getClassName());
// base.delete();
});
test("can not modify smart pointers passed by value", function() {
var base = cm.embind_test_return_smart_base_ptr();
cm.embind_attempt_to_modify_smart_pointer_when_passed_by_value(base);
assert.equal("Base", base.getClassName());
base.delete();
});
test("const return value", function() {
var c = new cm.ValHolder("foo");
assert.equal("foo", c.getConstVal());
c.delete();
});
test("return object by const ref", function() {
var c = new cm.ValHolder("foo");
assert.equal("foo", c.getValConstRef());
c.delete();
});
test("instanceof", function() {
var c = new cm.ValHolder("foo");
assert.instanceof(c, cm.ValHolder);
c.delete();
});
test("can access struct fields", function() {
var c = new cm.CustomStruct();
assert.equal(10, c.field);
assert.equal(10, c.getField());
c.delete();
});
test("can set struct fields", function() {
var c = new cm.CustomStruct();
c.field = 15;
assert.equal(15, c.field);
c.delete();
});
test("assignment returns value", function() {
var c = new cm.CustomStruct();
assert.equal(15, c.field = 15);
c.delete();
});
test("assigning string to integer raises TypeError", function() {
var c = new cm.CustomStruct();
var e = assert.throws(TypeError, function() {
c.field = "hi";
});
assert.equal('Cannot convert "hi" to int', e.message);
var e = assert.throws(TypeError, function() {
c.field = {foo:'bar'};
});
assert.equal('Cannot convert "[object Object]" to int', e.message);
c.delete();
});
test("can return tuples by value", function() {
var c = cm.emval_test_return_TupleVector();
assert.deepEqual([1, 2, 3, 4], c);
});
test("tuples can contain tuples", function() {
var c = cm.emval_test_return_TupleVectorTuple();
assert.deepEqual([[1, 2, 3, 4]], c);
});
test("can pass tuples by value", function() {
var c = cm.emval_test_take_and_return_TupleVector([4, 5, 6, 7]);
assert.deepEqual([4, 5, 6, 7], c);
});
test("can return structs by value", function() {
var c = cm.emval_test_return_StructVector();
assert.deepEqual({x: 1, y: 2, z: 3, w: 4}, c);
});
test("can pass structs by value", function() {
var c = cm.emval_test_take_and_return_StructVector({x: 4, y: 5, z: 6, w: 7});
assert.deepEqual({x: 4, y: 5, z: 6, w: 7}, c);
});
test("can pass and return tuples in structs", function() {
var d = cm.emval_test_take_and_return_TupleInStruct({field: [1, 2, 3, 4]});
assert.deepEqual({field: [1, 2, 3, 4]}, d);
});
test("can clone handles", function() {
var a = new cm.ValHolder({});
assert.equal(1, cm.count_emval_handles());
var b = a.clone();
a.delete();
assert.equal(1, cm.count_emval_handles());
assert.throws(cm.BindingError, function() {
a.delete();
});
b.delete();
assert.equal(0, cm.count_emval_handles());
});
test("A shared pointer set/get point to the same underlying pointer", function() {
var a = new cm.SharedPtrHolder();
var b = a.get();
a.set(b);
var c = a.get();
assert.true(b.isAliasOf(c));
b.delete();
c.delete();
a.delete();
});
test("can return shared ptrs from instance methods", function() {
var a = new cm.SharedPtrHolder();
// returns the shared_ptr.
var b = a.get();
assert.equal("a string", b.get());
b.delete();
a.delete();
});
test("smart ptrs clone correctly", function() {
assert.equal(0, cm.count_emval_handles());
var a = cm.emval_test_return_shared_ptr();
var b = a.clone();
a.delete();
assert.equal(1, cm.count_emval_handles());
assert.throws(cm.BindingError, function() {
a.delete();
});
b.delete();
assert.equal(0, cm.count_emval_handles());
});
test("can't clone if already deleted", function() {
var a = new cm.ValHolder({});
a.delete();
assert.throws(cm.BindingError, function() {
a.clone();
});
});
test("virtual calls work correctly", function() {
var derived = cm.embind_test_return_raw_polymorphic_derived_ptr_as_base();
assert.equal("PolyDerived", derived.virtualGetClassName());
derived.delete();
});
test("virtual calls work correctly on smart ptrs", function() {
var derived = cm.embind_test_return_smart_polymorphic_derived_ptr_as_base();
assert.equal("PolyDerived", derived.virtualGetClassName());
derived.delete();
});
test("Empty smart ptr is null", function() {
var a = cm.emval_test_return_empty_shared_ptr();
assert.equal(null, a);
});
test("string cannot be given as smart pointer argument", function() {
assert.throws(cm.BindingError, function() {
cm.emval_test_is_shared_ptr_null("hello world");
});
});
test("number cannot be given as smart pointer argument", function() {
assert.throws(cm.BindingError, function() {
cm.emval_test_is_shared_ptr_null(105);
});
});
test("raw pointer cannot be given as smart pointer argument", function() {
var p = new cm.ValHolder({});
assert.throws(cm.BindingError, function() { cm.emval_test_is_shared_ptr_null(p); });
p.delete();
});
test("null is passed as empty smart pointer", function() {
assert.true(cm.emval_test_is_shared_ptr_null(null));
});
test("Deleting already deleted smart ptrs fails", function() {
var a = cm.emval_test_return_shared_ptr();
a.delete();
assert.throws(cm.BindingError, function() {
a.delete();
});
});
test("StringHolder", function() {
var a = new cm.StringHolder("foobar");
assert.equal("foobar", a.get());
a.set("barfoo");
assert.equal("barfoo", a.get());
assert.equal("barfoo", a.get_const_ref());
a.delete();
});
test("can call methods on unique ptr", function() {
var result = cm.emval_test_return_unique_ptr();
result.setVal('1234');
assert.equal('1234', result.getVal());
result.delete();
});
test("can call methods on shared ptr", function(){
var result = cm.emval_test_return_shared_ptr();
result.setVal('1234');
assert.equal('1234', result.getVal());
result.delete();
});
test("Non functors throw exception", function() {
var a = {foo: 'bar'};
var c = new cm.ValHolder(a);
assert.throws(TypeError, function() {
c();
});
c.delete();
});
test("non-member methods", function() {
var a = {foo: 'bar'};
var c = new cm.ValHolder(a);
c.setEmpty(); // non-member method
assert.deepEqual({}, c.getValNonMember());
c.delete();
});
test("instantiating class without constructor gives error", function() {
var e = assert.throws(cm.BindingError, function() {
cm.AbstractClass();
});
assert.equal("Use 'new' to construct AbstractClass", e.message);
var e = assert.throws(cm.BindingError, function() {
new cm.AbstractClass();
});
assert.equal("AbstractClass has no accessible constructor", e.message);
});
test("can construct class with external constructor", function() {
var e = new cm.HasExternalConstructor("foo");
assert.instanceof(e, cm.HasExternalConstructor);
assert.equal("foo", e.getString());
e.delete();
});
});
BaseFixture.extend("const", function() {
test("calling non-const method with const handle is error", function() {
var vh = cm.ValHolder.makeConst({});
var e = assert.throws(cm.BindingError, function() {
vh.setVal({});
});
assert.equal('Cannot convert argument of type ValHolder const* to parameter type ValHolder*', e.message);
vh.delete();
});
test("passing const pointer to non-const pointer is error", function() {
var vh = new cm.ValHolder.makeConst({});
var e = assert.throws(cm.BindingError, function() {
cm.ValHolder.set_via_raw_pointer(vh, {});
});
assert.equal('Cannot convert argument of type ValHolder const* to parameter type ValHolder*', e.message);
vh.delete();
});
});
BaseFixture.extend("smart pointers", function() {
test("constructor can return smart pointer", function() {
var e = new cm.HeldBySmartPtr(10, "foo");
assert.instanceof(e, cm.HeldBySmartPtr);
assert.equal(10, e.i);
assert.equal("foo", e.s);
var f = cm.takesHeldBySmartPtr(e);
f.delete();
e.delete();
});
test("cannot pass incorrect smart pointer type", function() {
var e = cm.emval_test_return_shared_ptr();
assert.throws(cm.BindingError, function() {
cm.takesHeldBySmartPtr(e);
});
e.delete();
});
test("smart pointer object has no object keys", function() {
var e = new cm.HeldBySmartPtr(10, "foo");
assert.deepEqual([], Object.keys(e));
var f = e.clone();
e.delete();
assert.deepEqual([], Object.keys(f));
f.delete();
});
test("smart pointer object has correct constructor name", function() {
var e = new cm.HeldBySmartPtr(10, "foo");
assert.equal('HeldBySmartPtr', e.constructor.name);
e.delete();
});
test("constructor can return smart pointer", function() {
var e = new cm.HeldBySmartPtr(10, "foo");
assert.instanceof(e, cm.HeldBySmartPtr);
assert.equal(10, e.i);
assert.equal("foo", e.s);
var f = cm.takesHeldBySmartPtr(e);
assert.instanceof(f, cm.HeldBySmartPtr);
f.delete();
e.delete();
});
test("custom smart pointer", function() {
var e = new cm.HeldByCustomSmartPtr(20, "bar");
assert.instanceof(e, cm.HeldByCustomSmartPtr);
assert.equal(20, e.i);
assert.equal("bar", e.s);
e.delete();
});
test("custom smart pointer passed through wiretype", function() {
var e = new cm.HeldByCustomSmartPtr(20, "bar");
var f = cm.passThroughCustomSmartPtr(e);
e.delete();
assert.instanceof(f, cm.HeldByCustomSmartPtr);
assert.equal(20, f.i);
assert.equal("bar", f.s);
f.delete();
});
test("cannot give null to by-value argument", function() {
var e = assert.throws(cm.BindingError, function() {
cm.takesHeldBySmartPtr(null);
});
assert.equal('null is not a valid HeldBySmartPtr', e.message);
});
test("raw pointer can take and give null", function() {
assert.equal(null, cm.passThroughRawPtr(null));
});
test("custom smart pointer can take and give null", function() {
assert.equal(null, cm.passThroughCustomSmartPtr(null));
});
test("cannot pass shared_ptr to CustomSmartPtr", function() {
var o = cm.HeldByCustomSmartPtr.createSharedPtr(10, "foo");
var e = assert.throws(cm.BindingError, function() {
cm.passThroughCustomSmartPtr(o);
});
assert.equal('Cannot convert argument of type shared_ptr<HeldByCustomSmartPtr> to parameter type CustomSmartPtr<HeldByCustomSmartPtr>', e.message);
o.delete();
});
test("custom smart pointers can be passed to shared_ptr parameter", function() {
var e = cm.HeldBySmartPtr.newCustomPtr(10, "abc");
assert.equal(10, e.i);
assert.equal("abc", e.s);
cm.takesHeldBySmartPtrSharedPtr(e).delete();
e.delete();
});
test("can call non-member functions as methods", function() {
var e = new cm.HeldBySmartPtr(20, "bar");
var f = e.returnThis();
e.delete();
assert.equal(20, f.i);
assert.equal("bar", f.s);
f.delete();
});
});
BaseFixture.extend("enumerations", function() {
test("can compare enumeration values", function() {
assert.equal(cm.Enum.ONE, cm.Enum.ONE);
assert.notEqual(cm.Enum.ONE, cm.Enum.TWO);
});
if (typeof INVOKED_FROM_EMSCRIPTEN_TEST_RUNNER === "undefined") { // TODO: Enable this to work in Emscripten runner as well!
test("repr includes enum value", function() {
assert.equal('<#Enum_ONE {}>', IMVU.repr(cm.Enum.ONE));
assert.equal('<#Enum_TWO {}>', IMVU.repr(cm.Enum.TWO));
});
}
test("instanceof", function() {
assert.instanceof(cm.Enum.ONE, cm.Enum);
});
test("can pass and return enumeration values to functions", function() {
assert.equal(cm.Enum.TWO, cm.emval_test_take_and_return_Enum(cm.Enum.TWO));
});
});
BaseFixture.extend("C++11 enum class", function() {
test("can compare enumeration values", function() {
assert.equal(cm.EnumClass.ONE, cm.EnumClass.ONE);
assert.notEqual(cm.EnumClass.ONE, cm.EnumClass.TWO);
});
if (typeof INVOKED_FROM_EMSCRIPTEN_TEST_RUNNER === "undefined") { // TODO: Enable this to work in Emscripten runner as well!
test("repr includes enum value", function() {
assert.equal('<#EnumClass_ONE {}>', IMVU.repr(cm.EnumClass.ONE));
assert.equal('<#EnumClass_TWO {}>', IMVU.repr(cm.EnumClass.TWO));
});
}
test("instanceof", function() {
assert.instanceof(cm.EnumClass.ONE, cm.EnumClass);
});
test("can pass and return enumeration values to functions", function() {
assert.equal(cm.EnumClass.TWO, cm.emval_test_take_and_return_EnumClass(cm.EnumClass.TWO));
});
});
BaseFixture.extend("emval call tests", function() {
test("can call functions from C++", function() {
var called = false;
cm.emval_test_call_function(function(i, f, tv, sv) {
called = true;
assert.equal(10, i);
assert.equal(1.5, f);
assert.deepEqual([1.25, 2.5, 3.75, 4], tv);
assert.deepEqual({x: 1.25, y: 2.5, z: 3.75, w:4}, sv);
}, 10, 1.5, [1.25, 2.5, 3.75, 4], {x: 1.25, y: 2.5, z: 3.75, w:4});
assert.true(called);
});
});
BaseFixture.extend("extending built-in classes", function() {
// cm.ValHolder.prototype.patched = 10; // this sets instanceCounts.patched inside of Deletable module !?!
test("can access patched value on new instances", function() {
cm.ValHolder.prototype.patched = 10;
var c = new cm.ValHolder(undefined);
assert.equal(10, c.patched);
c.delete();
cm.ValHolder.prototype.patched = undefined;
});
test("can access patched value on returned instances", function() {
cm.ValHolder.prototype.patched = 10;
var c = cm.emval_test_return_ValHolder();
assert.equal(10, c.patched);
c.delete();
cm.ValHolder.prototype.patched = undefined;
});
});
BaseFixture.extend("raw pointers", function() {
test("can pass raw pointers into functions if explicitly allowed", function() {
var vh = new cm.ValHolder({});
cm.ValHolder.set_via_raw_pointer(vh, 10);
assert.equal(10, cm.ValHolder.get_via_raw_pointer(vh));
vh.delete();
});
test("can return raw pointers from functions if explicitly allowed", function() {
var p = cm.embind_test_return_raw_base_ptr();
assert.equal("Base", p.getClassName());
p.delete();
});
test("can pass multiple raw pointers to functions", function() {
var target = new cm.ValHolder(undefined);
var source = new cm.ValHolder("hi");
cm.ValHolder.transfer_via_raw_pointer(target, source);
assert.equal("hi", target.getVal());
target.delete();
source.delete();
});
});
BaseFixture.extend("implementing abstract methods with JS objects", function() {
test("can call abstract methods", function() {
var obj = cm.getAbstractClass();
assert.equal("from concrete", obj.abstractMethod());
obj.delete();
});
test("can implement abstract methods in JavaScript", function() {
var expected = "my JS string";
function MyImplementation() {
this.rv = expected;
}
MyImplementation.prototype.abstractMethod = function() {
return this.rv;
};
var impl = cm.AbstractClass.implement(new MyImplementation);
assert.equal(expected, impl.abstractMethod());
assert.equal(expected, cm.callAbstractMethod(impl));
impl.delete();
});
test("can implement optional methods in JavaScript", function() {
var expected = "my JS string";
function MyImplementation() {
this.rv = expected;
}
MyImplementation.prototype.optionalMethod = function() {
return this.rv;
};
var impl = cm.AbstractClass.implement(new MyImplementation);
assert.equal(expected, cm.callOptionalMethod(impl, expected));
impl.delete();
});
test("if not implemented then optional method runs default", function() {
var impl = cm.AbstractClass.implement({});
assert.equal("optionalfoo", impl.optionalMethod("foo"));
impl.delete();
});
test("returning null shared pointer from interfaces implemented in JS code does not leak", function() {
var impl = cm.AbstractClass.implement({
returnsSharedPtr: function() {
return null;
}
});
cm.callReturnsSharedPtrMethod(impl);
impl.delete();
// Let the memory leak test superfixture check that no leaks occurred.
});
test("returning a new shared pointer from interfaces implemented in JS code does not leak", function() {
var impl = cm.AbstractClass.implement({
returnsSharedPtr: function() {
return cm.embind_test_return_smart_derived_ptr().deleteLater();
}
});
cm.callReturnsSharedPtrMethod(impl);
impl.delete();
// Let the memory leak test superfixture check that no leaks occurred.
});
test("void methods work", function() {
var saved = {};
var impl = cm.AbstractClass.implement({
differentArguments: function(i, d, f, q, s) {
saved.i = i;
saved.d = d;
saved.f = f;
saved.q = q;
saved.s = s;
}
});
cm.callDifferentArguments(impl, 1, 2, 3, 4, "foo");
assert.deepEqual(saved, {
i: 1,
d: 2,
f: 3,
q: 4,
s: "foo",
});
impl.delete();
});
test("returning a cached new shared pointer from interfaces implemented in JS code does not leak", function() {
var derived = cm.embind_test_return_smart_derived_ptr();
var impl = cm.AbstractClass.implement({
returnsSharedPtr: function() {
return derived;
}
});
cm.callReturnsSharedPtrMethod(impl);
impl.delete();
derived.delete();
// Let the memory leak test superfixture check that no leaks occurred.
});
});
BaseFixture.extend("constructor prototype class inheritance", function() {
var Empty = cm.AbstractClass.extend("Empty", {
abstractMethod: function() {
}
});
test("can extend, construct, and delete", function() {
var instance = new Empty;
instance.delete();
});
test("properties set in constructor are externally visible", function() {
var HasProperty = cm.AbstractClass.extend("HasProperty", {
__construct: function(x) {
this.__parent.__construct.call(this);
this.property = x;
},
abstractMethod: function() {
}
});
var instance = new HasProperty(10);
assert.equal(10, instance.property);
instance.delete();
});
test("pass derived object to c++", function() {
var Implementation = cm.AbstractClass.extend("Implementation", {
abstractMethod: function() {
return "abc";
},
});
var instance = new Implementation;
var result = cm.callAbstractMethod(instance);
instance.delete();
assert.equal("abc", result);
});
test("properties set in constructor are visible in overridden methods", function() {
var HasProperty = cm.AbstractClass.extend("HasProperty", {
__construct: function(x) {
this.__parent.__construct.call(this);
this.x = x;
},
abstractMethod: function() {
return this.x;
},
});
var instance = new HasProperty("xyz");
var result = cm.callAbstractMethod(instance);
instance.delete();
assert.equal("xyz", result);
});
test("interface methods are externally visible", function() {
var instance = new Empty;
var result = instance.concreteMethod();
instance.delete();
assert.equal("concrete", result);
});
test("optional methods are externally visible", function() {
var instance = new Empty;
var result = instance.optionalMethod("_123");
instance.delete();
assert.equal("optional_123", result);
});
test("optional methods: not defined", function() {
var instance = new Empty;
var result = cm.callOptionalMethod(instance, "_123");
instance.delete();
assert.equal("optional_123", result);
});
// Calling C++ implementations of optional functions can be
// made to work, but requires an interface change on the C++
// side, using a technique similar to the one described at
// https://wiki.python.org/moin/boost.python/OverridableVirtualFunctions
//
// The issue is that, in a standard binding, calling
// parent.prototype.optionalMethod invokes the wrapper
// function, which checks that the JS object implements
// 'optionalMethod', which it does. Thus, C++ calls back into
// JS, resulting in an infinite loop.
//
// The solution, for optional methods, is to bind a special
// concrete implementation that specifically calls the base
// class's implementation. See the binding of
// AbstractClass::optionalMethod in embind_test.cpp.
test("can call parent implementation from within derived implementation", function() {
var parent = cm.AbstractClass;
var ExtendsOptionalMethod = parent.extend("ExtendsOptionalMethod", {
abstractMethod: function() {
},
optionalMethod: function(s) {
return "optionaljs_" + parent.prototype.optionalMethod.call(this, s);
},
});
var instance = new ExtendsOptionalMethod;
var result = cm.callOptionalMethod(instance, "_123");
instance.delete();
assert.equal("optionaljs_optional_123", result);
});
test("instanceof", function() {
var instance = new Empty;
assert.instanceof(instance, Empty);
assert.instanceof(instance, cm.AbstractClass);
instance.delete();
});
test("returning null shared pointer from interfaces implemented in JS code does not leak", function() {
var C = cm.AbstractClass.extend("C", {
abstractMethod: function() {
},
returnsSharedPtr: function() {
return null;
}
});
var impl = new C;
cm.callReturnsSharedPtrMethod(impl);
impl.delete();
// Let the memory leak test superfixture check that no leaks occurred.
});
test("returning a new shared pointer from interfaces implemented in JS code does not leak", function() {
var C = cm.AbstractClass.extend("C", {
abstractMethod: function() {
},
returnsSharedPtr: function() {
return cm.embind_test_return_smart_derived_ptr().deleteLater();
}
});
var impl = new C;
cm.callReturnsSharedPtrMethod(impl);
impl.delete();
// Let the memory leak test superfixture check that no leaks occurred.
});
test("void methods work", function() {
var saved = {};
var C = cm.AbstractClass.extend("C", {
abstractMethod: function() {
},
differentArguments: function(i, d, f, q, s) {
saved.i = i;
saved.d = d;
saved.f = f;
saved.q = q;
saved.s = s;
}
});
var impl = new C;
cm.callDifferentArguments(impl, 1, 2, 3, 4, "foo");
assert.deepEqual(saved, {
i: 1,
d: 2,
f: 3,
q: 4,
s: "foo",
});
impl.delete();
});
test("returning a cached new shared pointer from interfaces implemented in JS code does not leak", function() {
var derived = cm.embind_test_return_smart_derived_ptr();
var C = cm.AbstractClass.extend("C", {
abstractMethod: function() {
},
returnsSharedPtr: function() {
return derived;
}
});
var impl = new C;
cm.callReturnsSharedPtrMethod(impl);
impl.delete();
derived.delete();
// Let the memory leak test superfixture check that no leaks occurred.
});
test("calling pure virtual function gives good error message", function() {
var C = cm.AbstractClass.extend("C", {});
var error = assert.throws(cm.PureVirtualError, function() {
new C;
});
assert.equal('Pure virtual function abstractMethod must be implemented in JavaScript', error.message);
});
test("can extend from C++ class with constructor arguments", function() {
var parent = cm.AbstractClassWithConstructor;
var C = parent.extend("C", {
__construct: function(x) {
this.__parent.__construct.call(this, x);
},
abstractMethod: function() {
return this.concreteMethod();
}
});
var impl = new C("hi");
var rv = cm.callAbstractMethod2(impl);
impl.delete();
assert.equal("hi", rv);
});
test("__destruct is called when object is destroyed", function() {
var parent = cm.HeldAbstractClass;
var calls = [];
var C = parent.extend("C", {
method: function() {
},
__destruct: function() {
calls.push("__destruct");
this.__parent.__destruct.call(this);
}
});
var impl = new C;
var copy = impl.clone();
impl.delete();
assert.deepEqual([], calls);
copy.delete();
assert.deepEqual(["__destruct"], calls);
});
test("if JavaScript implementation of interface is returned, don't wrap in new handle", function() {
var parent = cm.HeldAbstractClass;
var C = parent.extend("C", {
method: function() {
}
});
var impl = new C;
var rv = cm.passHeldAbstractClass(impl);
impl.delete();
assert.equal(impl, rv);
rv.delete();
});
test("can instantiate two wrappers with constructors", function() {
var parent = cm.HeldAbstractClass;
var C = parent.extend("C", {
__construct: function() {
this.__parent.__construct.call(this);
},
method: function() {
}
});
var a = new C;
var b = new C;
a.delete();
b.delete();
});
test("incorrectly calling parent is an error", function() {
var parent = cm.HeldAbstractClass;
var C = parent.extend("C", {
__construct: function() {
this.__parent.__construct();
},
method: function() {
}
});
assert.throws(cm.BindingError, function() {
new C;
});
});
test("deleteLater() works for JavaScript implementations", function() {
var parent = cm.HeldAbstractClass;
var C = parent.extend("C", {
method: function() {
}
});
var impl = new C;
var rv = cm.passHeldAbstractClass(impl);
impl.deleteLater();
rv.deleteLater();
cm.flushPendingDeletes();
});
test("deleteLater() combined with delete() works for JavaScript implementations", function() {
var parent = cm.HeldAbstractClass;
var C = parent.extend("C", {
method: function() {
}
});
var impl = new C;
var rv = cm.passHeldAbstractClass(impl);
impl.deleteLater();
rv.delete();
cm.flushPendingDeletes();
});
test("method arguments with pointer ownership semantics are cleaned up after call", function() {
var parent = cm.AbstractClass;
var C = parent.extend("C", {
abstractMethod: function() {
},
});
var impl = new C;
cm.passShared(impl);
impl.delete();
});
test("method arguments with pointer ownership semantics can be cloned", function() {
var parent = cm.AbstractClass;
var owned;
var C = parent.extend("C", {
abstractMethod: function() {
},
passShared: function(p) {
owned = p.clone();
}
});
var impl = new C;
cm.passShared(impl);
impl.delete();
assert.equal("Derived", owned.getClassName());
owned.delete();
});
test("emscripten::val method arguments don't leak", function() {
var parent = cm.AbstractClass;
var got;
var C = parent.extend("C", {
abstractMethod: function() {
},
passVal: function(g) {
got = g;
}
});
var impl = new C;
var v = {};
cm.passVal(impl, v);
impl.delete();
assert.equal(v, got);
});
});
BaseFixture.extend("registration order", function() {
test("registration of tuple elements out of order leaves them in order", function() {
var ot = cm.getOrderedTuple();
assert.instanceof(ot[0], cm.FirstElement);
assert.instanceof(ot[1], cm.SecondElement);
ot[0].delete();
ot[1].delete();
});
test("registration of struct elements out of order", function() {
var os = cm.getOrderedStruct();
assert.instanceof(os.first, cm.FirstElement);
assert.instanceof(os.second, cm.SecondElement);
os.first.delete();
os.second.delete();
});
});
if (typeof INVOKED_FROM_EMSCRIPTEN_TEST_RUNNER === "undefined") { // TODO: Enable this to work in Emscripten runner as well!
BaseFixture.extend("unbound types", function() {
if (!cm.hasUnboundTypeNames) {
return;
}
function assertMessage(fn, message) {
var e = assert.throws(cm.UnboundTypeError, fn);
assert.equal(message, e.message);
}
test("calling function with unbound types produces error", function() {
assertMessage(
function() {
cm.getUnboundClass();
},
'Cannot call getUnboundClass due to unbound types: 12UnboundClass');
});
test("unbound base class produces error", function() {
assertMessage(
function() {
cm.getHasUnboundBase();
},
'Cannot call getHasUnboundBase due to unbound types: 12UnboundClass');
});
test("construct of class with unbound base", function() {
assertMessage(
function() {
new cm.HasUnboundBase;
}, 'Cannot construct HasUnboundBase due to unbound types: 12UnboundClass');
});
test("unbound constructor argument", function() {
assertMessage(
function() {
new cm.HasConstructorUsingUnboundArgument(1);
},
'Cannot construct HasConstructorUsingUnboundArgument due to unbound types: 12UnboundClass');
});
test("unbound constructor argument of class with unbound base", function() {
assertMessage(
function() {
new cm.HasConstructorUsingUnboundArgumentAndUnboundBase;
},
'Cannot construct HasConstructorUsingUnboundArgumentAndUnboundBase due to unbound types: 18SecondUnboundClass');
});
test('class function with unbound argument', function() {
var x = new cm.BoundClass;
assertMessage(
function() {
x.method();
}, 'Cannot call BoundClass.method due to unbound types: 12UnboundClass');
x.delete();
});
test('class class function with unbound argument', function() {
assertMessage(
function() {
cm.BoundClass.classfunction();
}, 'Cannot call BoundClass.classfunction due to unbound types: 12UnboundClass');
});
test('class property of unbound type', function() {
var x = new cm.BoundClass;
var y;
assertMessage(
function() {
y = x.property;
}, 'Cannot access BoundClass.property due to unbound types: 12UnboundClass');
assertMessage(
function() {
x.property = 10;
}, 'Cannot access BoundClass.property due to unbound types: 12UnboundClass');
x.delete();
});
// todo: tuple elements
// todo: tuple element accessors
// todo: struct fields
});
}
BaseFixture.extend("noncopyable", function() {
test('can call method on noncopyable object', function() {
var x = new cm.Noncopyable;
assert.equal('foo', x.method());
x.delete();
});
});
BaseFixture.extend("function names", function() {
assert.equal('ValHolder', cm.ValHolder.name);
assert.equal('ValHolder$setVal', cm.ValHolder.prototype.setVal.name);
assert.equal('ValHolder$makeConst', cm.ValHolder.makeConst.name);
});
BaseFixture.extend("constants", function() {
assert.equal(10, cm.INT_CONSTANT);
assert.equal(1, cm.STATIC_CONST_INTEGER_VALUE_1);
assert.equal(1000, cm.STATIC_CONST_INTEGER_VALUE_1000);
assert.equal("some string", cm.STRING_CONSTANT);
assert.deepEqual([1, 2, 3, 4], cm.VALUE_ARRAY_CONSTANT);
assert.deepEqual({x:1,y:2,z:3,w:4}, cm.VALUE_OBJECT_CONSTANT);
});
BaseFixture.extend("object handle comparison", function() {
var e = new cm.ValHolder("foo");
var f = new cm.ValHolder("foo");
assert.false(e.isAliasOf(undefined));
assert.false(e.isAliasOf(10));
assert.true(e.isAliasOf(e));
assert.false(e.isAliasOf(f));
assert.false(f.isAliasOf(e));
e.delete();
f.delete();
});
BaseFixture.extend("derived-with-offset types compare with base", function() {
var e = new cm.DerivedWithOffset;
var f = cm.return_Base_from_DerivedWithOffset(e);
assert.true(e.isAliasOf(f));
assert.true(f.isAliasOf(e));
e.delete();
f.delete();
});
BaseFixture.extend("memory view", function() {
test("can pass memory view from C++ to JS", function() {
var views = [];
cm.callWithMemoryView(function(view) {
views.push(view);
});
assert.equal(3, views.length);
assert.instanceof(views[0], Uint8Array);
assert.equal(8, views[0].length);
assert.deepEqual([0, 1, 2, 3, 4, 5, 6, 7], [].slice.call(new Uint8Array(views[0])));
assert.instanceof(views[1], Float32Array);
assert.equal(4, views[1].length);
assert.deepEqual([1.5, 2.5, 3.5, 4.5], [].slice.call(views[1]));
assert.instanceof(views[2], Int16Array);
assert.equal(4, views[2].length);
assert.deepEqual([1000, 100, 10, 1], [].slice.call(views[2]));
});
});
BaseFixture.extend("delete pool", function() {
test("can delete objects later", function() {
var v = new cm.ValHolder({});
v.deleteLater();
assert.deepEqual({}, v.getVal());
cm.flushPendingDeletes();
assert.throws(cm.BindingError, function() {
v.getVal();
});
});
test("calling deleteLater twice is an error", function() {
var v = new cm.ValHolder({});
v.deleteLater();
assert.throws(cm.BindingError, function() {
v.deleteLater();
});
});
test("deleteLater returns the object", function() {
var v = (new cm.ValHolder({})).deleteLater();
assert.deepEqual({}, v.getVal());
});
test("deleteLater throws if object is already deleted", function() {
var v = new cm.ValHolder({});
v.delete();
assert.throws(cm.BindingError, function() {
v.deleteLater();
});
});
test("delete throws if object is already scheduled for deletion", function() {
var v = new cm.ValHolder({});
v.deleteLater();
assert.throws(cm.BindingError, function() {
v.delete();
});
});
test("deleteLater invokes delay function", function() {
var runLater;
cm.setDelayFunction(function(fn) {
runLater = fn;
});
var v = new cm.ValHolder({});
assert.false(runLater);
v.deleteLater();
assert.true(runLater);
assert.false(v.isDeleted());
runLater();
assert.true(v.isDeleted());
});
test("deleteLater twice invokes delay function once", function() {
var count = 0;
var runLater;
cm.setDelayFunction(function(fn) {
++count;
runLater = fn;
});
(new cm.ValHolder({})).deleteLater();
(new cm.ValHolder({})).deleteLater();
assert.equal(1, count);
runLater();
(new cm.ValHolder({})).deleteLater();
assert.equal(2, count);
});
test('The delay function is immediately invoked if the deletion queue is not empty', function() {
(new cm.ValHolder({})).deleteLater();
var count = 0;
cm.setDelayFunction(function(fn) {
++count;
});
assert.equal(1, count);
});
// The idea is that an interactive application would
// periodically flush the deleteLater queue by calling
//
// setDelayFunction(function(fn) {
// setTimeout(fn, 0);
// });
});
BaseFixture.extend("references", function() {
test("JS object handles can be passed through to C++ by reference", function() {
var sh = new cm.StringHolder("Hello world");
assert.equal("Hello world", sh.get());
cm.clear_StringHolder(sh);
assert.equal("", sh.get());
sh.delete();
});
});
BaseFixture.extend("val::as from pointer to value", function() {
test("calling as on pointer with value makes a copy", function() {
var sh1 = new cm.StringHolder("Hello world");
var sh2 = cm.return_StringHolder_copy(sh1);
assert.equal("Hello world", sh1.get());
assert.equal("Hello world", sh2.get());
assert.false(sh1.isAliasOf(sh2));
sh2.delete();
sh1.delete();
});
test("calling function that returns a StringHolder", function() {
var sh1 = new cm.StringHolder("Hello world");
var sh2 = cm.call_StringHolder_func(function() {
return sh1;
});
assert.equal("Hello world", sh1.get());
assert.equal("Hello world", sh2.get());
assert.false(sh1.isAliasOf(sh2));
sh2.delete();
sh1.delete();
});
});
BaseFixture.extend("mixin", function() {
test("can call mixin method", function() {
var a = new cm.DerivedWithMixin();
assert.instanceof(a, cm.Base);
assert.equal(10, a.get10());
a.delete();
});
});
BaseFixture.extend("val::as", function() {
test("built-ins", function() {
assert.equal(true, cm.val_as_bool(true));
assert.equal(false, cm.val_as_bool(false));
assert.equal(127, cm.val_as_char(127));
assert.equal(32767, cm.val_as_short(32767));
assert.equal(65536, cm.val_as_int(65536));
assert.equal(65536, cm.val_as_long(65536));
assert.equal(10.5, cm.val_as_float(10.5));
assert.equal(10.5, cm.val_as_double(10.5));
assert.equal("foo", cm.val_as_string("foo"));
assert.equal("foo", cm.val_as_wstring("foo"));
var obj = {};
assert.equal(obj, cm.val_as_val(obj));
// JS->C++ memory view not implemented
//var ab = cm.val_as_memory_view(new ArrayBuffer(13));
//assert.equal(13, ab.byteLength);
});
test("value types", function() {
var tuple = [1, 2, 3, 4];
assert.deepEqual(tuple, cm.val_as_value_array(tuple));
var struct = {x: 1, y: 2, z: 3, w: 4};
assert.deepEqual(struct, cm.val_as_value_object(struct));
});
test("enums", function() {
assert.equal(cm.Enum.ONE, cm.val_as_enum(cm.Enum.ONE));
});
});
BaseFixture.extend("val::new_", function() {
test("variety of types", function() {
function factory() {
this.arguments = Array.prototype.slice.call(arguments, 0);
}
var instance = cm.construct_with_6_arguments(factory);
assert.deepEqual(
[6, -12.5, "a3", {x: 1, y: 2, z: 3, w: 4}, cm.EnumClass.TWO, [-1, -2, -3, -4]],
instance.arguments);
});
test("memory view", function() {
function factory(before, view, after) {
this.before = before;
this.view = view;
this.after = after;
}
var instance = cm.construct_with_memory_view(factory);
assert.equal("before", instance.before);
assert.equal(10, instance.view.byteLength);
assert.equal("after", instance.after);
});
test("ints_and_float", function() {
function factory(a, b, c) {
this.a = a;
this.b = b;
this.c = c;
}
var instance = cm.construct_with_ints_and_float(factory);
assert.equal(65537, instance.a);
assert.equal(4.0, instance.b);
assert.equal(65538, instance.c);
});
});
BaseFixture.extend("intrusive pointers", function() {
test("can pass intrusive pointers", function() {
var ic = new cm.IntrusiveClass;
var d = cm.passThroughIntrusiveClass(ic);
assert.true(ic.isAliasOf(d));
ic.delete();
d.delete();
});
test("can hold intrusive pointers", function() {
var ic = new cm.IntrusiveClass;
var holder = new cm.IntrusiveClassHolder;
holder.set(ic);
ic.delete();
var d = holder.get();
d.delete();
holder.delete();
});
test("can extend from intrusive pointer class and still preserve reference in JavaScript", function() {
var C = cm.IntrusiveClass.extend("C", {
});
var instance = new C;
var holder = new cm.IntrusiveClassHolder;
holder.set(instance);
instance.delete();
var back = holder.get();
assert.equal(back, instance);
holder.delete();
back.delete();
});
});
BaseFixture.extend("typeof", function() {
test("typeof", function() {
assert.equal("object", cm.getTypeOfVal(null));
assert.equal("object", cm.getTypeOfVal({}));
assert.equal("function", cm.getTypeOfVal(function(){}));
assert.equal("number", cm.getTypeOfVal(1));
assert.equal("string", cm.getTypeOfVal("hi"));
});
});
});
/* global run_all_tests */
// If running as part of the emscripten test runner suite, and not as part of the IMVU suite,
// we launch the test execution from here. IMVU suite uses its own dedicated mechanism instead of this.
if (typeof run_all_tests !== "undefined") {
run_all_tests();
}
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