1 // Copyright 2010 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
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11 // with the distribution.
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13 // contributors may be used to endorse or promote products derived
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16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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28 // Tests the special cases specified by ES 15.8.2.17
30 function test(expected_sqrt, value) {
31 assertEquals(expected_sqrt, Math.sqrt(value));
32 if (isFinite(value)) {
33 if (value === 0 && (1 / value) == -Infinity) {
34 // Math.pow(-0, 0.5) must be zero, but Math.sqrt(-0) is -0.
37 assertEquals(expected_sqrt, Math.pow(value, 0.5));
41 // Simple sanity check
50 test(Infinity, Infinity);
51 // -Infinity is smaller than 0 so it should return NaN