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36 lines
1.1 KiB
36 lines
1.1 KiB
'use strict'; |
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var test = require('tape'); |
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var isDate = require('../'); |
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var hasToStringTag = require('has-tostringtag/shams')(); |
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test('not Dates', function (t) { |
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t.notOk(isDate(), 'undefined is not Date'); |
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t.notOk(isDate(null), 'null is not Date'); |
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t.notOk(isDate(false), 'false is not Date'); |
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t.notOk(isDate(true), 'true is not Date'); |
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t.notOk(isDate(42), 'number is not Date'); |
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t.notOk(isDate('foo'), 'string is not Date'); |
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t.notOk(isDate([]), 'array is not Date'); |
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t.notOk(isDate({}), 'object is not Date'); |
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t.notOk(isDate(function () {}), 'function is not Date'); |
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t.notOk(isDate(/a/g), 'regex literal is not Date'); |
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t.notOk(isDate(new RegExp('a', 'g')), 'regex object is not Date'); |
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t.end(); |
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}); |
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test('@@toStringTag', { skip: !hasToStringTag }, function (t) { |
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var realDate = new Date(); |
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var fakeDate = { |
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toString: function () { return String(realDate); }, |
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valueOf: function () { return realDate.getTime(); } |
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}; |
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fakeDate[Symbol.toStringTag] = 'Date'; |
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t.notOk(isDate(fakeDate), 'fake Date with @@toStringTag "Date" is not Date'); |
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t.end(); |
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}); |
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test('Dates', function (t) { |
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t.ok(isDate(new Date()), 'new Date() is Date'); |
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t.end(); |
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});
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