diff options
Diffstat (limited to 'deps/v8/test/mjsunit/shift-for-integer-div.js')
-rw-r--r-- | deps/v8/test/mjsunit/shift-for-integer-div.js | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/shift-for-integer-div.js b/deps/v8/test/mjsunit/shift-for-integer-div.js new file mode 100644 index 0000000000..0fe1262292 --- /dev/null +++ b/deps/v8/test/mjsunit/shift-for-integer-div.js @@ -0,0 +1,59 @@ +// Copyright 2012 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. + +function divp4(x) { + return x / 4; +} + +for (var i = 0; i < 10000; i+=4) { + assertEquals(i >> 2, divp4(i)); +} + +assertEquals(0.5, divp4(2)); + +function divn4(x) { + return x / (-4); +} + +for (var i = 0; i < 10000; i+=4) { + assertEquals(-(i >> 2), divn4(i)); +} + +assertEquals(-0, divn4(0)); + + +function divn1(x) { + return x / (-1); +} + +for (var i = 0; i < 10000; i++) { + assertEquals(-i, divn1(i)); +} + +var min_int = -(0x7FFFFFFF)-1; +assertEquals(-min_int, divn1(min_int)); + |