![]() System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory : /usr/local/lib/node_modules/browserify/node_modules/is-arguments/test/ |
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'use strict'; var test = require('tape'); var isArguments = require('../'); var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; test('primitives', function (t) { t.notOk(isArguments([]), 'array is not arguments'); t.notOk(isArguments({}), 'object is not arguments'); t.notOk(isArguments(''), 'empty string is not arguments'); t.notOk(isArguments('foo'), 'string is not arguments'); t.notOk(isArguments({ length: 2 }), 'naive array-like is not arguments'); t.end(); }); test('arguments object', function (t) { t.ok(isArguments(arguments), 'arguments is arguments'); t.notOk(isArguments(Array.prototype.slice.call(arguments)), 'sliced arguments is not arguments'); t.end(); }); test('old-style arguments object', function (t) { var isLegacyArguments = isArguments.isLegacyArguments || isArguments; var fakeOldArguments = { callee: function () {}, length: 3 }; t.ok(isLegacyArguments(fakeOldArguments), 'old-style arguments is arguments'); t.end(); }); test('Symbol.toStringTag', { skip: !hasToStringTag }, function (t) { var obj = {}; obj[Symbol.toStringTag] = 'Arguments'; t.notOk(isArguments(obj), 'object with faked toStringTag is not arguments'); var args = (function () { return arguments; }()); args[Symbol.toStringTag] = 'Arguments'; t.notOk(isArguments(obj), 'real arguments with faked toStringTag is not arguments'); t.end(); });