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Commit Description:
move datatable to yarn
Commit Description:
move datatable to yarn
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node_modules/is-arguments/test.js
| 44 lines
| 1.4 KiB
| application/javascript
| JavascriptLexer
|
| r789 | '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(); | ||||
| }); | ||||