42 lines
1.0 KiB
JavaScript
42 lines
1.0 KiB
JavaScript
(function(env) {
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function hasFunctioningSets() {
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if (typeof Set === 'undefined') { return false; }
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try {
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var s = new Set();
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s.add(1);
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s.add(2);
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if (s.size !== 2) { return false; }
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if (s.has(1) !== true) { return false; }
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var iterations = 0;
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var isForEachWorking = true;
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s.forEach(function(value, key, set) {
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isForEachWorking = isForEachWorking && set === s;
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if (iterations===0) {
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isForEachWorking = isForEachWorking && (key===value) && value===1;
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} else if (iterations===1) {
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isForEachWorking = isForEachWorking && (key===value) && value===2;
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}
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iterations++;
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});
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if (iterations !== 2) { return false; }
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if (isForEachWorking !== true) { return false; }
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return true;
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} catch(e) {
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return false;
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}
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}
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env.requireFunctioningSets = function() {
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if (!hasFunctioningSets()) {
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env.pending("Browser has incomplete or missing support for Sets");
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}
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};
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})(jasmine.getEnv());
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