mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
2.2 KiB
52 lines
2.2 KiB
// Copyright 2010 the V8 project authors. All rights reserved.
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following
|
|
// disclaimer in the documentation and/or other materials provided
|
|
// with the distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
// Tests the special cases specified by ES 15.8.2.17
|
|
|
|
function test(expected_sqrt, value) {
|
|
assertEquals(expected_sqrt, Math.sqrt(value));
|
|
if (isFinite(value)) {
|
|
if (value === 0 && (1 / value) == -Infinity) {
|
|
// Math.pow(-0, 0.5) must be zero, but Math.sqrt(-0) is -0.
|
|
expected_sqrt = 0;
|
|
}
|
|
assertEquals(expected_sqrt, Math.pow(value, 0.5));
|
|
}
|
|
}
|
|
|
|
// Simple sanity check
|
|
test(2, 4);
|
|
test(0.1, 0.01);
|
|
|
|
// Spec tests
|
|
test(NaN, NaN);
|
|
test(NaN, -1);
|
|
test(+0, +0);
|
|
test(-0, -0);
|
|
test(Infinity, Infinity);
|
|
// -Infinity is smaller than 0 so it should return NaN
|
|
test(NaN, -Infinity);
|
|
|