37 lines
1.3 KiB
JavaScript
Executable file
37 lines
1.3 KiB
JavaScript
Executable file
'use strict';
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require('../auto');
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var runTests = require('./tests');
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var test = require('tape');
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var defineProperties = require('define-properties');
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var callBind = require('call-bind');
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var isEnumerable = Object.prototype.propertyIsEnumerable;
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var functionsHaveNames = require('functions-have-names')();
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test('shimmed', function (t) {
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t.equal(String.prototype.trimEnd.length, 0, 'String#trimEnd has a length of 0');
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t.test('Function name', { skip: !functionsHaveNames }, function (st) {
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st.equal((/^(?:trimRight|trimEnd)$/).test(String.prototype.trimEnd.name), true, 'String#trimEnd has name "trimRight" or "trimEnd"');
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st.end();
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});
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t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
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et.equal(false, isEnumerable.call(String.prototype, 'trimEnd'), 'String#trimEnd is not enumerable');
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et.end();
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});
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var supportsStrictMode = (function () { return typeof this === 'undefined'; }());
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t.test('bad string/this value', { skip: !supportsStrictMode }, function (st) {
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st['throws'](function () { return String.prototype.trimEnd.call(undefined, 'a'); }, TypeError, 'undefined is not an object');
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st['throws'](function () { return String.prototype.trimEnd.call(null, 'a'); }, TypeError, 'null is not an object');
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st.end();
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});
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runTests(callBind(String.prototype.trimEnd), t);
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t.end();
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});
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