55 lines
1.7 KiB
Plaintext
55 lines
1.7 KiB
Plaintext
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'use strict';
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require('../auto');
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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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var hasStrictMode = require('has-strict-mode')();
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var runTests = require('./tests');
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test('shimmed', function (t) {
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t.test('ArrayBuffer support', { skip: typeof ArrayBuffer === 'undefined' }, function (st) {
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var method = ArrayBuffer.prototype.slice;
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st.equal(method.length, 2, 'ArrayBuffer#slice has a length of 2');
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st.test('Function name', { skip: !functionsHaveNames }, function (s2t) {
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s2t.equal(method.name, 'slice', 'ArrayBuffer#slice name "slice"');
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s2t.end();
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});
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st.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
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et.equal(false, isEnumerable.call(ArrayBuffer.prototype, 'slice'), 'ArrayBuffer#slice is not enumerable');
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et.end();
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});
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st.test('bad array/this value', { skip: !hasStrictMode }, function (s2t) {
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/* eslint no-useless-call: 0 */
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s2t['throws'](function () { return method.call(undefined); }, TypeError, 'undefined is not an object');
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s2t['throws'](function () { return method.call(null); }, TypeError, 'null is not an object');
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s2t.end();
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});
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t.test('has the correct descriptor', { skip: !Object.getOwnPropertyDescriptor }, function (s2t) {
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var descriptor = Object.getOwnPropertyDescriptor(ArrayBuffer.prototype, 'slice');
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s2t.equal(descriptor.configurable, true);
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s2t.equal(descriptor.enumerable, false);
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s2t.equal(typeof descriptor.value, 'function');
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s2t.equal(descriptor.writable, true);
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s2t.end();
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});
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runTests(callBind(method), st);
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st.end();
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});
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t.end();
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});
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