Server : Apache/2.4.41 (Ubuntu) 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/npm/node_modules/wcwidth/test/

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"use strict"

var wcwidth = require('../')
var test = require('tape')

test('handles regular strings', function(t) {
  t.strictEqual(wcwidth('abc'), 3)
  t.end()
})

test('handles multibyte strings', function(t) {
  t.strictEqual(wcwidth('字的模块'), 8)
  t.end()
})

test('handles multibyte characters mixed with regular characters', function(t) {
  t.strictEqual(wcwidth('abc 字的模块'), 12)
  t.end()
})

test('ignores control characters e.g. \\n', function(t) {
  t.strictEqual(wcwidth('abc\n字的模块\ndef'), 14)
  t.end()
})

test('ignores bad input', function(t) {
  t.strictEqual(wcwidth(''), 0)
  t.strictEqual(wcwidth(3), 0)
  t.strictEqual(wcwidth({}), 0)
  t.strictEqual(wcwidth([]), 0)
  t.strictEqual(wcwidth(), 0)
  t.end()
})

test('ignores nul (charcode 0)', function(t) {
  t.strictEqual(wcwidth(String.fromCharCode(0)), 0)
  t.end()
})

test('ignores nul mixed with chars', function(t) {
  t.strictEqual(wcwidth('a' + String.fromCharCode(0) + '\n字的'), 5)
  t.end()
})

test('can have custom value for nul', function(t) {
  t.strictEqual(wcwidth.config({
    nul: 10
  })(String.fromCharCode(0) + 'a字的'), 15)
  t.end()
})

test('can have custom control char value', function(t) {
  t.strictEqual(wcwidth.config({
    control: 1
  })('abc\n字的模块\ndef'), 16)
  t.end()
})

test('negative custom control chars == -1', function(t) {
  t.strictEqual(wcwidth.config({
    control: -1
  })('abc\n字的模块\ndef'), -1)
  t.end()
})