| // Copyright 2008 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. |
| |
| var x; |
| |
| // Converts a number to string respecting -0. |
| function stringify(n) { |
| if ((1 / n) === -Infinity) return "-0"; |
| return String(n); |
| } |
| |
| function f(expected, y) { |
| function testEval(string, x, y) { |
| var mulFunction = Function("x, y", "return " + string); |
| return mulFunction(x, y); |
| } |
| function mulTest(expected, x, y) { |
| assertEquals(expected, x * y); |
| assertEquals(expected, testEval(stringify(x) + " * y", x, y)); |
| assertEquals(expected, testEval("x * " + stringify(y), x, y)); |
| assertEquals(expected, testEval(stringify(x) + " * " + stringify(y), x, y)); |
| } |
| mulTest(expected, x, y); |
| mulTest(-expected, -x, y); |
| mulTest(-expected, x, -y); |
| mulTest(expected, -x, -y); |
| if (x === y) return; // Symmetric cases not necessary. |
| mulTest(expected, y, x); |
| mulTest(-expected, -y, x); |
| mulTest(-expected, y, -x); |
| mulTest(expected, -y, -x); |
| } |
| |
| x = 0; |
| f(0, 0); |
| x = 1; |
| f(0, 0); |
| f(1, 1); |
| x = 2; |
| f(0, 0); |
| f(2, 1); |
| f(4, 2); |
| x = 3; |
| f(0, 0); |
| f(3, 1); |
| f(6, 2); |
| f(9, 3); |
| x = 4; |
| f(0, 0); |
| f(4, 1); |
| f(8, 2); |
| f(12, 3); |
| f(16, 4); |
| x = 5; |
| f(0, 0); |
| f(5, 1); |
| f(10, 2); |
| f(15, 3); |
| f(20, 4); |
| f(25, 5); |
| x = 7; |
| f(0, 0); |
| f(7, 1); |
| f(14, 2); |
| f(21, 3); |
| f(28, 4); |
| f(35, 5); |
| f(49, 7); |
| x = 8; |
| f(0, 0); |
| f(8, 1); |
| f(16, 2); |
| f(24, 3); |
| f(32, 4); |
| f(40, 5); |
| f(56, 7); |
| f(64, 8); |
| x = 9; |
| f(0, 0); |
| f(9, 1); |
| f(18, 2); |
| f(27, 3); |
| f(36, 4); |
| f(45, 5); |
| f(63, 7); |
| f(72, 8); |
| f(81, 9); |
| x = 15; |
| f(0, 0); |
| f(15, 1); |
| f(30, 2); |
| f(45, 3); |
| f(60, 4); |
| f(75, 5); |
| f(105, 7); |
| f(120, 8); |
| f(135, 9); |
| f(225, 15); |
| x = 16; |
| f(0, 0); |
| f(16, 1); |
| f(32, 2); |
| f(48, 3); |
| f(64, 4); |
| f(80, 5); |
| f(112, 7); |
| f(128, 8); |
| f(144, 9); |
| f(240, 15); |
| f(256, 16); |
| x = 17; |
| f(0, 0); |
| f(17, 1); |
| f(34, 2); |
| f(51, 3); |
| f(68, 4); |
| f(85, 5); |
| f(119, 7); |
| f(136, 8); |
| f(153, 9); |
| f(255, 15); |
| f(272, 16); |
| f(289, 17); |
| x = 31; |
| f(0, 0); |
| f(31, 1); |
| f(62, 2); |
| f(93, 3); |
| f(124, 4); |
| f(155, 5); |
| f(217, 7); |
| f(248, 8); |
| f(279, 9); |
| f(465, 15); |
| f(496, 16); |
| f(527, 17); |
| f(961, 31); |
| x = 32; |
| f(0, 0); |
| f(32, 1); |
| f(64, 2); |
| f(96, 3); |
| f(128, 4); |
| f(160, 5); |
| f(224, 7); |
| f(256, 8); |
| f(288, 9); |
| f(480, 15); |
| f(512, 16); |
| f(544, 17); |
| f(992, 31); |
| f(1024, 32); |
| x = 33; |
| f(0, 0); |
| f(33, 1); |
| f(66, 2); |
| f(99, 3); |
| f(132, 4); |
| f(165, 5); |
| f(231, 7); |
| f(264, 8); |
| f(297, 9); |
| f(495, 15); |
| f(528, 16); |
| f(561, 17); |
| f(1023, 31); |
| f(1056, 32); |
| f(1089, 33); |
| x = 63; |
| f(0, 0); |
| f(63, 1); |
| f(126, 2); |
| f(189, 3); |
| f(252, 4); |
| f(315, 5); |
| f(441, 7); |
| f(504, 8); |
| f(567, 9); |
| f(945, 15); |
| f(1008, 16); |
| f(1071, 17); |
| f(1953, 31); |
| f(2016, 32); |
| f(2079, 33); |
| f(3969, 63); |
| x = 64; |
| f(0, 0); |
| f(64, 1); |
| f(128, 2); |
| f(192, 3); |
| f(256, 4); |
| f(320, 5); |
| f(448, 7); |
| f(512, 8); |
| f(576, 9); |
| f(960, 15); |
| f(1024, 16); |
| f(1088, 17); |
| f(1984, 31); |
| f(2048, 32); |
| f(2112, 33); |
| f(4032, 63); |
| f(4096, 64); |
| x = 65; |
| f(0, 0); |
| f(65, 1); |
| f(130, 2); |
| f(195, 3); |
| f(260, 4); |
| f(325, 5); |
| f(455, 7); |
| f(520, 8); |
| f(585, 9); |
| f(975, 15); |
| f(1040, 16); |
| f(1105, 17); |
| f(2015, 31); |
| f(2080, 32); |
| f(2145, 33); |
| f(4095, 63); |
| f(4160, 64); |
| f(4225, 65); |
| x = 127; |
| f(0, 0); |
| f(127, 1); |
| f(254, 2); |
| f(381, 3); |
| f(508, 4); |
| f(635, 5); |
| f(889, 7); |
| f(1016, 8); |
| f(1143, 9); |
| f(1905, 15); |
| f(2032, 16); |
| f(2159, 17); |
| f(3937, 31); |
| f(4064, 32); |
| f(4191, 33); |
| f(8001, 63); |
| f(8128, 64); |
| f(8255, 65); |
| f(16129, 127); |
| x = 128; |
| f(0, 0); |
| f(128, 1); |
| f(256, 2); |
| f(384, 3); |
| f(512, 4); |
| f(640, 5); |
| f(896, 7); |
| f(1024, 8); |
| f(1152, 9); |
| f(1920, 15); |
| f(2048, 16); |
| f(2176, 17); |
| f(3968, 31); |
| f(4096, 32); |
| f(4224, 33); |
| f(8064, 63); |
| f(8192, 64); |
| f(8320, 65); |
| f(16256, 127); |
| f(16384, 128); |
| x = 129; |
| f(0, 0); |
| f(129, 1); |
| f(258, 2); |
| f(387, 3); |
| f(516, 4); |
| f(645, 5); |
| f(903, 7); |
| f(1032, 8); |
| f(1161, 9); |
| f(1935, 15); |
| f(2064, 16); |
| f(2193, 17); |
| f(3999, 31); |
| f(4128, 32); |
| f(4257, 33); |
| f(8127, 63); |
| f(8256, 64); |
| f(8385, 65); |
| f(16383, 127); |
| f(16512, 128); |
| f(16641, 129); |
| x = 255; |
| f(0, 0); |
| f(255, 1); |
| f(510, 2); |
| f(765, 3); |
| f(1020, 4); |
| f(1275, 5); |
| f(1785, 7); |
| f(2040, 8); |
| f(2295, 9); |
| f(3825, 15); |
| f(4080, 16); |
| f(4335, 17); |
| f(7905, 31); |
| f(8160, 32); |
| f(8415, 33); |
| f(16065, 63); |
| f(16320, 64); |
| f(16575, 65); |
| f(32385, 127); |
| f(32640, 128); |
| f(32895, 129); |
| f(65025, 255); |
| x = 256; |
| f(0, 0); |
| f(256, 1); |
| f(512, 2); |
| f(768, 3); |
| f(1024, 4); |
| f(1280, 5); |
| f(1792, 7); |
| f(2048, 8); |
| f(2304, 9); |
| f(3840, 15); |
| f(4096, 16); |
| f(4352, 17); |
| f(7936, 31); |
| f(8192, 32); |
| f(8448, 33); |
| f(16128, 63); |
| f(16384, 64); |
| f(16640, 65); |
| f(32512, 127); |
| f(32768, 128); |
| f(33024, 129); |
| f(65280, 255); |
| f(65536, 256); |
| x = 257; |
| f(0, 0); |
| f(257, 1); |
| f(514, 2); |
| f(771, 3); |
| f(1028, 4); |
| f(1285, 5); |
| f(1799, 7); |
| f(2056, 8); |
| f(2313, 9); |
| f(3855, 15); |
| f(4112, 16); |
| f(4369, 17); |
| f(7967, 31); |
| f(8224, 32); |
| f(8481, 33); |
| f(16191, 63); |
| f(16448, 64); |
| f(16705, 65); |
| f(32639, 127); |
| f(32896, 128); |
| f(33153, 129); |
| f(65535, 255); |
| f(65792, 256); |
| f(66049, 257); |
| x = 511; |
| f(0, 0); |
| f(511, 1); |
| f(1022, 2); |
| f(1533, 3); |
| f(2044, 4); |
| f(2555, 5); |
| f(3577, 7); |
| f(4088, 8); |
| f(4599, 9); |
| f(7665, 15); |
| f(8176, 16); |
| f(8687, 17); |
| f(15841, 31); |
| f(16352, 32); |
| f(16863, 33); |
| f(32193, 63); |
| f(32704, 64); |
| f(33215, 65); |
| f(64897, 127); |
| f(65408, 128); |
| f(65919, 129); |
| f(130305, 255); |
| f(130816, 256); |
| f(131327, 257); |
| f(261121, 511); |
| x = 512; |
| f(0, 0); |
| f(512, 1); |
| f(1024, 2); |
| f(1536, 3); |
| f(2048, 4); |
| f(2560, 5); |
| f(3584, 7); |
| f(4096, 8); |
| f(4608, 9); |
| f(7680, 15); |
| f(8192, 16); |
| f(8704, 17); |
| f(15872, 31); |
| f(16384, 32); |
| f(16896, 33); |
| f(32256, 63); |
| f(32768, 64); |
| f(33280, 65); |
| f(65024, 127); |
| f(65536, 128); |
| f(66048, 129); |
| f(130560, 255); |
| f(131072, 256); |
| f(131584, 257); |
| f(261632, 511); |
| f(262144, 512); |
| x = 513; |
| f(0, 0); |
| f(513, 1); |
| f(1026, 2); |
| f(1539, 3); |
| f(2052, 4); |
| f(2565, 5); |
| f(3591, 7); |
| f(4104, 8); |
| f(4617, 9); |
| f(7695, 15); |
| f(8208, 16); |
| f(8721, 17); |
| f(15903, 31); |
| f(16416, 32); |
| f(16929, 33); |
| f(32319, 63); |
| f(32832, 64); |
| f(33345, 65); |
| f(65151, 127); |
| f(65664, 128); |
| f(66177, 129); |
| f(130815, 255); |
| f(131328, 256); |
| f(131841, 257); |
| f(262143, 511); |
| f(262656, 512); |
| f(263169, 513); |
| x = 1023; |
| f(0, 0); |
| f(1023, 1); |
| f(2046, 2); |
| f(3069, 3); |
| f(4092, 4); |
| f(5115, 5); |
| f(7161, 7); |
| f(8184, 8); |
| f(9207, 9); |
| f(15345, 15); |
| f(16368, 16); |
| f(17391, 17); |
| f(31713, 31); |
| f(32736, 32); |
| f(33759, 33); |
| f(64449, 63); |
| f(65472, 64); |
| f(66495, 65); |
| f(129921, 127); |
| f(130944, 128); |
| f(131967, 129); |
| f(260865, 255); |
| f(261888, 256); |
| f(262911, 257); |
| f(522753, 511); |
| f(523776, 512); |
| f(524799, 513); |
| f(1046529, 1023); |