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Diffstat (limited to 'src/3rdparty/v8/test/mjsunit/math-floor-part1.js')
-rw-r--r-- | src/3rdparty/v8/test/mjsunit/math-floor-part1.js | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/3rdparty/v8/test/mjsunit/math-floor-part1.js b/src/3rdparty/v8/test/mjsunit/math-floor-part1.js new file mode 100644 index 0000000..313f272 --- /dev/null +++ b/src/3rdparty/v8/test/mjsunit/math-floor-part1.js @@ -0,0 +1,88 @@ +// Copyright 2011 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. + +// Flags: --max-new-space-size=256 --allow-natives-syntax + +var test_id = 0; + +function testFloor(expect, input) { + var test = new Function('n', + '"' + (test_id++) + '";return Math.floor(n)'); + assertEquals(expect, test(input)); + assertEquals(expect, test(input)); + assertEquals(expect, test(input)); + %OptimizeFunctionOnNextCall(test); + assertEquals(expect, test(input)); +} + +function zero() { + var x = 0.5; + return (function() { return x - 0.5; })(); +} + +function test() { + // Ensure that a negative zero coming from Math.floor is properly handled + // by other operations. + function ifloor(x) { + return 1 / Math.floor(x); + } + assertEquals(-Infinity, ifloor(-0)); + assertEquals(-Infinity, ifloor(-0)); + assertEquals(-Infinity, ifloor(-0)); + %OptimizeFunctionOnNextCall(ifloor); + assertEquals(-Infinity, ifloor(-0)); + + testFloor(0, 0.1); + testFloor(0, 0.49999999999999994); + testFloor(0, 0.5); + testFloor(0, 0.7); + testFloor(-1, -0.1); + testFloor(-1, -0.49999999999999994); + testFloor(-1, -0.5); + testFloor(-1, -0.7); + testFloor(1, 1); + testFloor(1, 1.1); + testFloor(1, 1.5); + testFloor(1, 1.7); + testFloor(-1, -1); + testFloor(-2, -1.1); + testFloor(-2, -1.5); + testFloor(-2, -1.7); + + testFloor(0, Number.MIN_VALUE); + testFloor(-1, -Number.MIN_VALUE); + testFloor(Number.MAX_VALUE, Number.MAX_VALUE); + testFloor(-Number.MAX_VALUE, -Number.MAX_VALUE); + testFloor(Infinity, Infinity); + testFloor(-Infinity, -Infinity); +} + + +// Test in a loop to cover the custom IC and GC-related issues. +for (var i = 0; i < 100; i++) { + test(); +} |