|  | // 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 = 16385; | 
|  | f(0, 0); | 
|  | f(16385, 1); | 
|  | f(32770, 2); | 
|  | f(49155, 3); | 
|  | f(65540, 4); | 
|  | f(81925, 5); | 
|  | f(114695, 7); | 
|  | f(131080, 8); | 
|  | f(147465, 9); | 
|  | f(245775, 15); | 
|  | f(262160, 16); | 
|  | f(278545, 17); | 
|  | f(507935, 31); | 
|  | f(524320, 32); | 
|  | f(540705, 33); | 
|  | f(1032255, 63); | 
|  | f(1048640, 64); | 
|  | f(1065025, 65); | 
|  | f(2080895, 127); | 
|  | f(2097280, 128); | 
|  | f(2113665, 129); | 
|  | f(4178175, 255); | 
|  | f(4194560, 256); | 
|  | f(4210945, 257); | 
|  | f(8372735, 511); | 
|  | f(8389120, 512); | 
|  | f(8405505, 513); | 
|  | f(16761855, 1023); | 
|  | f(16778240, 1024); | 
|  | f(16794625, 1025); | 
|  | f(33540095, 2047); | 
|  | f(33556480, 2048); | 
|  | f(33572865, 2049); | 
|  | f(67096575, 4095); | 
|  | f(67112960, 4096); | 
|  | f(67129345, 4097); | 
|  | f(134209535, 8191); | 
|  | f(134225920, 8192); | 
|  | f(134242305, 8193); | 
|  | f(268435455, 16383); | 
|  | f(268451840, 16384); | 
|  | f(268468225, 16385); | 
|  | x = 32767; | 
|  | f(0, 0); | 
|  | f(32767, 1); | 
|  | f(65534, 2); | 
|  | f(98301, 3); | 
|  | f(131068, 4); | 
|  | f(163835, 5); | 
|  | f(229369, 7); | 
|  | f(262136, 8); | 
|  | f(294903, 9); | 
|  | f(491505, 15); | 
|  | f(524272, 16); | 
|  | f(557039, 17); | 
|  | f(1015777, 31); | 
|  | f(1048544, 32); | 
|  | f(1081311, 33); | 
|  | f(2064321, 63); | 
|  | f(2097088, 64); | 
|  | f(2129855, 65); | 
|  | f(4161409, 127); | 
|  | f(4194176, 128); | 
|  | f(4226943, 129); | 
|  | f(8355585, 255); | 
|  | f(8388352, 256); | 
|  | f(8421119, 257); | 
|  | f(16743937, 511); | 
|  | f(16776704, 512); | 
|  | f(16809471, 513); | 
|  | f(33520641, 1023); | 
|  | f(33553408, 1024); | 
|  | f(33586175, 1025); | 
|  | f(67074049, 2047); | 
|  | f(67106816, 2048); | 
|  | f(67139583, 2049); | 
|  | f(134180865, 4095); | 
|  | f(134213632, 4096); | 
|  | f(134246399, 4097); | 
|  | f(268394497, 8191); | 
|  | f(268427264, 8192); | 
|  | f(268460031, 8193); | 
|  | f(536821761, 16383); | 
|  | f(536854528, 16384); | 
|  | f(536887295, 16385); | 
|  | f(1073676289, 32767); | 
|  | x = 32768; | 
|  | f(0, 0); | 
|  | f(32768, 1); | 
|  | f(65536, 2); | 
|  | f(98304, 3); | 
|  | f(131072, 4); | 
|  | f(163840, 5); | 
|  | f(229376, 7); | 
|  | f(262144, 8); | 
|  | f(294912, 9); | 
|  | f(491520, 15); | 
|  | f(524288, 16); | 
|  | f(557056, 17); | 
|  | f(1015808, 31); | 
|  | f(1048576, 32); | 
|  | f(1081344, 33); | 
|  | f(2064384, 63); | 
|  | f(2097152, 64); | 
|  | f(2129920, 65); | 
|  | f(4161536, 127); | 
|  | f(4194304, 128); | 
|  | f(4227072, 129); | 
|  | f(8355840, 255); | 
|  | f(8388608, 256); | 
|  | f(8421376, 257); | 
|  | f(16744448, 511); | 
|  | f(16777216, 512); | 
|  | f(16809984, 513); | 
|  | f(33521664, 1023); | 
|  | f(33554432, 1024); | 
|  | f(33587200, 1025); | 
|  | f(67076096, 2047); | 
|  | f(67108864, 2048); | 
|  | f(67141632, 2049); | 
|  | f(134184960, 4095); | 
|  | f(134217728, 4096); | 
|  | f(134250496, 4097); | 
|  | f(268402688, 8191); | 
|  | f(268435456, 8192); | 
|  | f(268468224, 8193); | 
|  | f(536838144, 16383); | 
|  | f(536870912, 16384); | 
|  | f(536903680, 16385); | 
|  | f(1073709056, 32767); | 
|  | f(1073741824, 32768); | 
|  | x = 32769; | 
|  | f(0, 0); | 
|  | f(32769, 1); | 
|  | f(65538, 2); | 
|  | f(98307, 3); | 
|  | f(131076, 4); | 
|  | f(163845, 5); | 
|  | f(229383, 7); | 
|  | f(262152, 8); | 
|  | f(294921, 9); | 
|  | f(491535, 15); | 
|  | f(524304, 16); | 
|  | f(557073, 17); | 
|  | f(1015839, 31); | 
|  | f(1048608, 32); | 
|  | f(1081377, 33); | 
|  | f(2064447, 63); | 
|  | f(2097216, 64); | 
|  | f(2129985, 65); | 
|  | f(4161663, 127); | 
|  | f(4194432, 128); | 
|  | f(4227201, 129); | 
|  | f(8356095, 255); | 
|  | f(8388864, 256); | 
|  | f(8421633, 257); | 
|  | f(16744959, 511); | 
|  | f(16777728, 512); | 
|  | f(16810497, 513); | 
|  | f(33522687, 1023); | 
|  | f(33555456, 1024); | 
|  | f(33588225, 1025); | 
|  | f(67078143, 2047); | 
|  | f(67110912, 2048); | 
|  | f(67143681, 2049); | 
|  | f(134189055, 4095); | 
|  | f(134221824, 4096); | 
|  | f(134254593, 4097); | 
|  | f(268410879, 8191); | 
|  | f(268443648, 8192); | 
|  | f(268476417, 8193); | 
|  | f(536854527, 16383); | 
|  | f(536887296, 16384); | 
|  | f(536920065, 16385); | 
|  | f(1073741823, 32767); | 
|  | f(1073774592, 32768); | 
|  | f(1073807361, 32769); | 
|  | x = 65535; | 
|  | f(0, 0); | 
|  | f(65535, 1); | 
|  | f(131070, 2); | 
|  | f(196605, 3); | 
|  | f(262140, 4); | 
|  | f(327675, 5); | 
|  | f(458745, 7); | 
|  | f(524280, 8); | 
|  | f(589815, 9); | 
|  | f(983025, 15); | 
|  | f(1048560, 16); | 
|  | f(1114095, 17); | 
|  | f(2031585, 31); | 
|  | f(2097120, 32); | 
|  | f(2162655, 33); | 
|  | f(4128705, 63); | 
|  | f(4194240, 64); | 
|  | f(4259775, 65); | 
|  | f(8322945, 127); | 
|  | f(8388480, 128); | 
|  | f(8454015, 129); | 
|  | f(16711425, 255); | 
|  | f(16776960, 256); | 
|  | f(16842495, 257); | 
|  | f(33488385, 511); | 
|  | f(33553920, 512); | 
|  | f(33619455, 513); | 
|  | f(67042305, 1023); | 
|  | f(67107840, 1024); | 
|  | f(67173375, 1025); | 
|  | f(134150145, 2047); | 
|  | f(134215680, 2048); | 
|  | f(134281215, 2049); | 
|  | f(268365825, 4095); | 
|  | f(268431360, 4096); | 
|  | f(268496895, 4097); | 
|  | f(536797185, 8191); | 
|  | f(536862720, 8192); | 
|  | f(536928255, 8193); | 
|  | f(1073659905, 16383); | 
|  | f(1073725440, 16384); | 
|  | f(1073790975, 16385); | 
|  | f(2147385345, 32767); | 
|  | f(2147450880, 32768); | 
|  | f(2147516415, 32769); | 
|  | f(4294836225, 65535); | 
|  | x = 65536; | 
|  | f(0, 0); | 
|  | f(65536, 1); | 
|  | f(131072, 2); | 
|  | f(196608, 3); | 
|  | f(262144, 4); | 
|  | f(327680, 5); | 
|  | f(458752, 7); | 
|  | f(524288, 8); | 
|  | f(589824, 9); | 
|  | f(983040, 15); | 
|  | f(1048576, 16); | 
|  | f(1114112, 17); | 
|  | f(2031616, 31); | 
|  | f(2097152, 32); | 
|  | f(2162688, 33); | 
|  | f(4128768, 63); | 
|  | f(4194304, 64); | 
|  | f(4259840, 65); | 
|  | f(8323072, 127); | 
|  | f(8388608, 128); | 
|  | f(8454144, 129); | 
|  | f(16711680, 255); | 
|  | f(16777216, 256); | 
|  | f(16842752, 257); | 
|  | f(33488896, 511); | 
|  | f(33554432, 512); | 
|  | f(33619968, 513); | 
|  | f(67043328, 1023); | 
|  | f(67108864, 1024); | 
|  | f(67174400, 1025); | 
|  | f(134152192, 2047); | 
|  | f(134217728, 2048); | 
|  | f(134283264, 2049); | 
|  | f(268369920, 4095); | 
|  | f(268435456, 4096); | 
|  | f(268500992, 4097); | 
|  | f(536805376, 8191); | 
|  | f(536870912, 8192); | 
|  | f(536936448, 8193); | 
|  | f(1073676288, 16383); | 
|  | f(1073741824, 16384); | 
|  | f(1073807360, 16385); | 
|  | f(2147418112, 32767); | 
|  | f(2147483648, 32768); | 
|  | f(2147549184, 32769); | 
|  | f(4294901760, 65535); | 
|  | f(4294967296, 65536); | 
|  | x = 65537; | 
|  | f(0, 0); | 
|  | f(65537, 1); | 
|  | f(131074, 2); | 
|  | f(196611, 3); | 
|  | f(262148, 4); | 
|  | f(327685, 5); | 
|  | f(458759, 7); | 
|  | f(524296, 8); | 
|  | f(589833, 9); | 
|  | f(983055, 15); | 
|  | f(1048592, 16); | 
|  | f(1114129, 17); | 
|  | f(2031647, 31); | 
|  | f(2097184, 32); | 
|  | f(2162721, 33); | 
|  | f(4128831, 63); | 
|  | f(4194368, 64); | 
|  | f(4259905, 65); | 
|  | f(8323199, 127); | 
|  | f(8388736, 128); | 
|  | f(8454273, 129); | 
|  | f(16711935, 255); | 
|  | f(16777472, 256); | 
|  | f(16843009, 257); | 
|  | f(33489407, 511); | 
|  | f(33554944, 512); | 
|  | f(33620481, 513); | 
|  | f(67044351, 1023); | 
|  | f(67109888, 1024); | 
|  | f(67175425, 1025); | 
|  | f(134154239, 2047); | 
|  | f(134219776, 2048); | 
|  | f(134285313, 2049); | 
|  | f(268374015, 4095); | 
|  | f(268439552, 4096); | 
|  | f(268505089, 4097); | 
|  | f(536813567, 8191); | 
|  | f(536879104, 8192); | 
|  | f(536944641, 8193); | 
|  | f(1073692671, 16383); | 
|  | f(1073758208, 16384); | 
|  | f(1073823745, 16385); | 
|  | f(2147450879, 32767); | 
|  | f(2147516416, 32768); | 
|  | f(2147581953, 32769); | 
|  | f(4294967295, 65535); | 
|  | f(4295032832, 65536); | 
|  | f(4295098369, 65537); | 
|  | x = 131071; | 
|  | f(0, 0); | 
|  | f(131071, 1); | 
|  | f(262142, 2); | 
|  | f(393213, 3); | 
|  | f(524284, 4); | 
|  | f(655355, 5); | 
|  | f(917497, 7); | 
|  | f(1048568, 8); | 
|  | f(1179639, 9); | 
|  | f(1966065, 15); | 
|  | f(2097136, 16); | 
|  | f(2228207, 17); | 
|  | f(4063201, 31); | 
|  | f(4194272, 32); | 
|  | f(4325343, 33); | 
|  | f(8257473, 63); | 
|  | f(8388544, 64); | 
|  | f(8519615, 65); | 
|  | f(16646017, 127); | 
|  | f(16777088, 128); | 
|  | f(16908159, 129); | 
|  | f(33423105, 255); | 
|  | f(33554176, 256); | 
|  | f(33685247, 257); | 
|  | f(66977281, 511); | 
|  | f(67108352, 512); | 
|  | f(67239423, 513); | 
|  | f(134085633, 1023); | 
|  | f(134216704, 1024); | 
|  | f(134347775, 1025); | 
|  | f(268302337, 2047); | 
|  | f(268433408, 2048); | 
|  | f(268564479, 2049); | 
|  | f(536735745, 4095); | 
|  | f(536866816, 4096); | 
|  | f(536997887, 4097); | 
|  | f(1073602561, 8191); | 
|  | f(1073733632, 8192); | 
|  | f(1073864703, 8193); | 
|  | f(2147336193, 16383); | 
|  | f(2147467264, 16384); | 
|  | f(2147598335, 16385); | 
|  | f(4294803457, 32767); | 
|  | f(4294934528, 32768); | 
|  | f(4295065599, 32769); | 
|  | f(8589737985, 65535); | 
|  | f(8589869056, 65536); | 
|  | f(8590000127, 65537); | 
|  | f(17179607041, 131071); | 
|  | x = 131072; | 
|  | f(0, 0); | 
|  | f(131072, 1); | 
|  | f(262144, 2); | 
|  | f(393216, 3); | 
|  | f(524288, 4); | 
|  | f(655360, 5); | 
|  | f(917504, 7); | 
|  | f(1048576, 8); | 
|  | f(1179648, 9); | 
|  | f(1966080, 15); | 
|  | f(2097152, 16); | 
|  | f(2228224, 17); | 
|  | f(4063232, 31); | 
|  | f(4194304, 32); | 
|  | f(4325376, 33); | 
|  | f(8257536, 63); | 
|  | f(8388608, 64); | 
|  | f(8519680, 65); | 
|  | f(16646144, 127); | 
|  | f(16777216, 128); | 
|  | f(16908288, 129); | 
|  | f(33423360, 255); | 
|  | f(33554432, 256); | 
|  | f(33685504, 257); | 
|  | f(66977792, 511); | 
|  | f(67108864, 512); | 
|  | f(67239936, 513); | 
|  | f(134086656, 1023); | 
|  | f(134217728, 1024); | 
|  | f(134348800, 1025); | 
|  | f(268304384, 2047); | 
|  | f(268435456, 2048); | 
|  | f(268566528, 2049); | 
|  | f(536739840, 4095); | 
|  | f(536870912, 4096); | 
|  | f(537001984, 4097); | 
|  | f(1073610752, 8191); | 
|  | f(1073741824, 8192); | 
|  | f(1073872896, 8193); | 
|  | f(2147352576, 16383); | 
|  | f(2147483648, 16384); | 
|  | f(2147614720, 16385); | 
|  | f(4294836224, 32767); | 
|  | f(4294967296, 32768); | 
|  | f(4295098368, 32769); | 
|  | f(8589803520, 65535); | 
|  | f(8589934592, 65536); | 
|  | f(8590065664, 65537); | 
|  | f(17179738112, 131071); | 
|  | f(17179869184, 131072); | 
|  | x = 131073; | 
|  | f(0, 0); | 
|  | f(131073, 1); | 
|  | f(262146, 2); | 
|  | f(393219, 3); | 
|  | f(524292, 4); | 
|  | f(655365, 5); | 
|  | f(917511, 7); | 
|  | f(1048584, 8); | 
|  | f(1179657, 9); | 
|  | f(1966095, 15); | 
|  | f(2097168, 16); | 
|  | f(2228241, 17); | 
|  | f(4063263, 31); | 
|  | f(4194336, 32); | 
|  | f(4325409, 33); | 
|  | f(8257599, 63); | 
|  | f(8388672, 64); | 
|  | f(8519745, 65); | 
|  | f(16646271, 127); | 
|  | f(16777344, 128); | 
|  | f(16908417, 129); | 
|  | f(33423615, 255); | 
|  | f(33554688, 256); | 
|  | f(33685761, 257); | 
|  | f(66978303, 511); | 
|  | f(67109376, 512); | 
|  | f(67240449, 513); | 
|  | f(134087679, 1023); | 
|  | f(134218752, 1024); | 
|  | f(134349825, 1025); | 
|  | f(268306431, 2047); | 
|  | f(268437504, 2048); | 
|  | f(268568577, 2049); | 
|  | f(536743935, 4095); | 
|  | f(536875008, 4096); | 
|  | f(537006081, 4097); | 
|  | f(1073618943, 8191); | 
|  | f(1073750016, 8192); | 
|  | f(1073881089, 8193); | 
|  | f(2147368959, 16383); | 
|  | f(2147500032, 16384); | 
|  | f(2147631105, 16385); | 
|  | f(4294868991, 32767); | 
|  | f(4295000064, 32768); | 
|  | f(4295131137, 32769); | 
|  | f(8589869055, 65535); | 
|  | f(8590000128, 65536); | 
|  | f(8590131201, 65537); | 
|  | f(17179869183, 131071); | 
|  | f(17180000256, 131072); | 
|  | f(17180131329, 131073); |