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rOACCT/node_modules/wcwidth/test/index.js
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index.js
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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()
			})