node/deps/v8/test/mjsunit/compiler/number-isinteger.js
Michaël Zasso 2739185b79 deps: update V8 to 5.5.372.40
PR-URL: https://github.com/nodejs/node/pull/9618
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
2017-01-26 22:46:17 +01:00

31 lines
805 B
JavaScript

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
function test(f) {
assertTrue(f(0));
assertFalse(f(Number.MIN_VALUE));
assertTrue(f(Number.MAX_VALUE));
assertTrue(f(Number.MIN_SAFE_INTEGER));
assertTrue(f(Number.MIN_SAFE_INTEGER - 13));
assertTrue(f(Number.MAX_SAFE_INTEGER));
assertTrue(f(Number.MAX_SAFE_INTEGER + 23));
assertFalse(f(Number.NaN));
assertFalse(f(Number.POSITIVE_INFINITY));
assertFalse(f(Number.NEGATIVE_INFINITY));
assertFalse(f(1 / 0));
assertFalse(f(-1 / 0));
assertFalse(f(Number.EPSILON));
}
function f(x) {
return Number.isInteger(+x);
}
test(f);
test(f);
%OptimizeFunctionOnNextCall(f);
test(f);