60 lines
1.1 KiB
JavaScript
60 lines
1.1 KiB
JavaScript
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'use strict';
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var test = require('tape');
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var debug = require('object-inspect');
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var forEach = require('for-each');
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var isWeakMap = require('..');
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test('non-collections', function (t) {
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forEach([
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null,
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undefined,
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true,
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false,
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42,
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0,
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-0,
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NaN,
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Infinity,
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'',
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'foo',
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/a/g,
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[],
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{},
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function () {}
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], function (nonCollection) {
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t.equal(isWeakMap(nonCollection), false, debug(nonCollection) + ' is not a WeakMap');
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});
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t.end();
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});
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test('Maps', { skip: typeof Map !== 'function' }, function (t) {
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var m = new Map();
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t.equal(isWeakMap(m), false, debug(m) + ' is not a WeakMap');
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t.end();
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});
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test('Sets', { skip: typeof Set !== 'function' }, function (t) {
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var s = new Set();
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t.equal(isWeakMap(s), false, debug(s) + ' is not a WeakMap');
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t.end();
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});
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test('WeakMaps', { skip: typeof WeakMap !== 'function' }, function (t) {
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var wm = new WeakMap();
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t.equal(isWeakMap(wm), true, debug(wm) + ' is a WeakMap');
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t.end();
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});
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test('WeakSets', { skip: typeof WeakSet !== 'function' }, function (t) {
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var ws = new WeakSet();
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t.equal(isWeakMap(ws), false, debug(ws) + ' is not a WeakMap');
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t.end();
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});
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