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https://github.com/RGBCube/serenity
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240a5b5fd7
Introduce support for the both of these Math methods. Math.trunc is implemented in terms of Math.ceil or Math.floor based on the input value. Added tests as well.
18 lines
419 B
JavaScript
18 lines
419 B
JavaScript
function assert(x) { if (!x) throw 1; }
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try {
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assert(Math.trunc(13.37) === 13);
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assert(Math.trunc(42.84) === 42);
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assert(Math.trunc(0.123) === 0);
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assert(Math.trunc(-0.123) === -0);
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assert(isNaN(Math.trunc(NaN)));
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assert(isNaN(Math.trunc('foo')));
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assert(isNaN(Math.trunc()));
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assert(Math.trunc.length === 1);
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console.log("PASS");
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} catch (e) {
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console.log("FAIL: " + e);
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}
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