diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/isNaN/return-false-not-nan-numbers.js')
-rw-r--r-- | js/src/tests/test262/built-ins/isNaN/return-false-not-nan-numbers.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/isNaN/return-false-not-nan-numbers.js b/js/src/tests/test262/built-ins/isNaN/return-false-not-nan-numbers.js new file mode 100644 index 0000000000..0c8edee16f --- /dev/null +++ b/js/src/tests/test262/built-ins/isNaN/return-false-not-nan-numbers.js @@ -0,0 +1,29 @@ +// Copyright (C) 2016 The V8 Project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-isnan-number +description: > + Return false if number is not NaN +info: | + isNaN (number) + + 1. Let num be ? ToNumber(number). + 2. If num is NaN, return true. + 3. Otherwise, return false. +---*/ + +assert.sameValue(isNaN(0), false, "0"); +assert.sameValue(isNaN(-0), false, "-0"); +assert.sameValue(isNaN(Math.pow(2, 53)), false, "Math.pow(2, 53)"); +assert.sameValue(isNaN(-Math.pow(2, 53)), false, "-Math.pow(2, 53)"); +assert.sameValue(isNaN(1), false, "1"); +assert.sameValue(isNaN(-1), false, "-1"); +assert.sameValue(isNaN(0.000001), false, "0.000001"); +assert.sameValue(isNaN(-0.000001), false, "-0.000001"); +assert.sameValue(isNaN(1e42), false, "1e42"); +assert.sameValue(isNaN(-1e42), false, "-1e42"); +assert.sameValue(isNaN(Infinity), false, "Infinity"); +assert.sameValue(isNaN(-Infinity), false, "-Infinity"); + +reportCompare(0, 0); |