1 // Copyright (C) 2016 The V8 Project authors. All rights reserved.
2 // This code is governed by the BSD license found in the LICENSE file.
5 esid: sec-isfinite-number
7 Return true if number is not NaN, Infinity or -Infinity
11 1. Let num be ? ToNumber(number).
12 2. If num is NaN, +∞, or -∞, return false.
13 3. Otherwise, return true.
16 assert.sameValue(isFinite(0), true, "0");
17 assert.sameValue(isFinite(-0), true, "-0");
18 assert.sameValue(isFinite(Math.pow(2, 53)), true, "Math.pow(2, 53)");
19 assert.sameValue(isFinite(-Math.pow(2, 53)), true, "-Math.pow(2, 53)");
20 assert.sameValue(isFinite(1), true, "1");
21 assert.sameValue(isFinite(-1), true, "-1");
22 assert.sameValue(isFinite(0.000001), true, "0.000001");
23 assert.sameValue(isFinite(-0.000001), true, "-0.000001");
24 assert.sameValue(isFinite(1e42), true, "1e42");
25 assert.sameValue(isFinite(-1e42), true, "-1e42");