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Diffstat (limited to 'src/3rdparty/v8/test/mjsunit/math-floor-part3.js')
-rw-r--r-- | src/3rdparty/v8/test/mjsunit/math-floor-part3.js | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/3rdparty/v8/test/mjsunit/math-floor-part3.js b/src/3rdparty/v8/test/mjsunit/math-floor-part3.js new file mode 100644 index 0000000..db25923 --- /dev/null +++ b/src/3rdparty/v8/test/mjsunit/math-floor-part3.js @@ -0,0 +1,78 @@ +// 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() { + // 2^52 is a precision boundary. + var two_52 = (1 << 30) * (1 << 22); + + testFloor(two_52, two_52); + testFloor(two_52, two_52 + 0.1); + assertEquals(two_52, two_52 + 0.5); + testFloor(two_52, two_52 + 0.5); + assertEquals(two_52 + 1, two_52 + 0.7); + testFloor(two_52 + 1, two_52 + 0.7); + + testFloor(two_52 - 1, two_52 - 1); + testFloor(two_52 - 1, two_52 - 1 + 0.1); + testFloor(two_52 - 1, two_52 - 1 + 0.5); + testFloor(two_52 - 1, two_52 - 1 + 0.7); + + testFloor(-two_52, -two_52); + testFloor(-two_52, -two_52 + 0.1); + testFloor(-two_52, -two_52 + 0.5); + testFloor(-two_52, -two_52 + 0.7); + + testFloor(-two_52 + 1, -two_52 + 1); + testFloor(-two_52 + 1, -two_52 + 1 + 0.1); + testFloor(-two_52 + 1, -two_52 + 1 + 0.5); + testFloor(-two_52 + 1, -two_52 + 1 + 0.7); +} + + +// Test in a loop to cover the custom IC and GC-related issues. +for (var i = 0; i < 100; i++) { + test(); +} |