34 lines
1015 B
JavaScript
34 lines
1015 B
JavaScript
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let MT;
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try { MT = require("../../random/mersennetwister.js"); } catch(e) { MT = window; }
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QUnit.test("Random.init() with no seed value", function() {
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Random.init();
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ok(Random.seed, "random seed is not null.");
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});
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QUnit.test("Random.init() with provided seed", function() {
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var seed = new Date().getTime();
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Random.init(seed);
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assert.equal(Random.seed, seed, "seed is correct");
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});
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QUnit.test("Random.range() PRNG reproducibility", function() {
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var seed, result1, result2;
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seed = new Date().getTime();
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Random.init(seed);
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result1 = Random.range(1, 20);
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Random.init(seed);
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result2 = Random.range(1, 20);
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assert.equal(result1, result2, "both results are the same")
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});
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QUinit.test("Random.choose() with equal distribution", function() {
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var i, tmp, foo = 0, bar = 0;
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for(i = 0; i < 100; i++) {
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tmp = Random.choose([[1, 'foo'], [1, 'bar']]);
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if (tmp == "foo") { foo += 1; }
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if (tmp == "bar") { bar += 1; }
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}
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assert.ok(bar > 0 && foo > 0, "both objects were chosen")
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});
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