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38 lines
1.5 KiB
JavaScript
38 lines
1.5 KiB
JavaScript
load("test-common.js");
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try {
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assert(Number.isInteger.length === 1);
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assert(Number.isInteger(0) === true);
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assert(Number.isInteger(42) === true);
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assert(Number.isInteger(-10000) === true);
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assert(Number.isInteger(5) === true);
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assert(Number.isInteger(5.0) === true);
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assert(Number.isInteger(5.0000000000000001) === true);
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// FIXME: values outside of i32's range should still return true
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// assert(Number.isInteger(+2147483647 + 1) === true);
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// assert(Number.isInteger(-2147483648 - 1) === true);
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// assert(Number.isInteger(99999999999999999999999999999999999) === true);
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assert(Number.isInteger(5.000000000000001) === false);
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assert(Number.isInteger(1.23) === false);
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assert(Number.isInteger("") === false);
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assert(Number.isInteger("0") === false);
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assert(Number.isInteger("42") === false);
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assert(Number.isInteger(true) === false);
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assert(Number.isInteger(false) === false);
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assert(Number.isInteger(null) === false);
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assert(Number.isInteger([]) === false);
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assert(Number.isInteger(Infinity) === false);
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assert(Number.isInteger(-Infinity) === false);
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assert(Number.isInteger(NaN) === false);
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assert(Number.isInteger() === false);
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assert(Number.isInteger(undefined) === false);
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assert(Number.isInteger("foo") === false);
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assert(Number.isInteger({}) === false);
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assert(Number.isInteger([1, 2, 3]) === false);
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console.log("PASS");
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} catch (e) {
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console.log("FAIL: " + e.message);
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}
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