38 lines
917 B
JavaScript
38 lines
917 B
JavaScript
(function(env) {
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function hasFunctioningMaps() {
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if (typeof Map === 'undefined') { return false; }
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try {
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var s = new Map();
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s.set('a',1);
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s.set('b',2);
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if (s.size !== 2) { return false; }
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if (s.has('a') !== true) { return false; }
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var iterations = 0;
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var ifForEachWorking = true;
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s.forEach(function(value, key, map) {
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ifForEachWorking = ifForEachWorking && map === s;
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if (key==='a') {
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ifForEachWorking = ifForEachWorking && value===1;
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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 (ifForEachWorking !== 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.requireFunctioningMaps = function() {
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if (!hasFunctioningMaps()) {
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env.pending("Browser has incomplete or missing support for Maps");
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}
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};
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})(jasmine.getEnv());
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