test/mjsunit/number-is.js

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// Test Harmony Number.isFinite() and Number.isNaN() functions.

assertTrue(Number.isFinite(0));
assertTrue(Number.isFinite(Number.MIN_VALUE));
assertTrue(Number.isFinite(Number.MAX_VALUE));
assertFalse(Number.isFinite(Number.NaN));
assertFalse(Number.isFinite(Number.POSITIVE_INFINITY));
assertFalse(Number.isFinite(Number.NEGATIVE_INFINITY));
assertFalse(Number.isFinite(new Number(0)));
assertFalse(Number.isFinite(1/0));
assertFalse(Number.isFinite(-1/0));
assertFalse(Number.isFinite({}));
assertFalse(Number.isFinite([]));
assertFalse(Number.isFinite("s"));
assertFalse(Number.isFinite(null));
assertFalse(Number.isFinite(undefined));

assertFalse(Number.isNaN(0));
assertFalse(Number.isNaN(Number.MIN_VALUE));
assertFalse(Number.isNaN(Number.MAX_VALUE));
assertTrue(Number.isNaN(Number.NaN));
assertFalse(Number.isNaN(Number.POSITIVE_INFINITY));
assertFalse(Number.isNaN(Number.NEGATIVE_INFINITY));
assertFalse(Number.isNaN(new Number(0)));
assertFalse(Number.isNaN(1/0));
assertFalse(Number.isNaN(-1/0));
assertFalse(Number.isNaN({}));
assertFalse(Number.isNaN([]));
assertFalse(Number.isNaN("s"));
assertFalse(Number.isNaN(null));
assertFalse(Number.isNaN(undefined));