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| 1 // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are |
| 4 // met: |
| 5 // |
| 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided |
| 11 // with the distribution. |
| 12 // * Neither the name of Google Inc. nor the names of its |
| 13 // contributors may be used to endorse or promote products derived |
| 14 // from this software without specific prior written permission. |
| 15 // |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 |
| 28 // Flags: --allow-natives-syntax --noenable-sse2 |
| 29 |
| 30 // general tests |
| 31 var e31 = Math.pow(2, 31); |
| 32 |
| 33 assertEquals(-e31, -1*e31); |
| 34 assertEquals(e31, -1*e31*(-1)); |
| 35 assertEquals(e31, -1*-e31); |
| 36 assertEquals(e31, -e31*(-1)); |
| 37 |
| 38 var x = {toString : function() {return 1}} |
| 39 function add(a,b){return a+b;} |
| 40 add(1,x); |
| 41 add(1,x); |
| 42 %OptimizeFunctionOnNextCall(add); |
| 43 add(1,x); |
| 44 x.toString = function() {return "2"}; |
| 45 |
| 46 assertEquals(add(1,x), "12"); |
| 47 |
| 48 // Test the correct placement of the simulates in TruncateToNumber: |
| 49 function Checker() { |
| 50 this.str = "1"; |
| 51 var toStringCalled = 0; |
| 52 var toStringExpected = 0; |
| 53 this.toString = function() { |
| 54 toStringCalled++; |
| 55 return this.str; |
| 56 }; |
| 57 this.check = function() { |
| 58 toStringExpected++; |
| 59 assertEquals(toStringExpected, toStringCalled); |
| 60 }; |
| 61 }; |
| 62 var left = new Checker(); |
| 63 var right = new Checker(); |
| 64 |
| 65 function test(fun,check_fun,a,b,does_throw) { |
| 66 left.str = a; |
| 67 right.str = b; |
| 68 try { |
| 69 assertEquals(check_fun(a,b), fun(left, right)); |
| 70 assertTrue(!does_throw); |
| 71 } catch(e) { |
| 72 if (e instanceof TypeError) { |
| 73 assertTrue(!!does_throw); |
| 74 } else { |
| 75 throw e; |
| 76 } |
| 77 } finally { |
| 78 left.check(); |
| 79 if (!does_throw || does_throw>1) { |
| 80 right.check(); |
| 81 } |
| 82 } |
| 83 } |
| 84 |
| 85 function minus(a,b) { return a-b }; |
| 86 function check_minus(a,b) { return a-b }; |
| 87 function mod(a,b) { return a%b }; |
| 88 function check_mod(a,b) { return a%b }; |
| 89 |
| 90 test(minus,check_minus,1,2); |
| 91 // Bailout on left |
| 92 test(minus,check_minus,1<<30,1); |
| 93 // Bailout on right |
| 94 test(minus,check_minus,1,1<<30); |
| 95 // Bailout on result |
| 96 test(minus,check_minus,1<<30,-(1<<30)); |
| 97 |
| 98 // Some more interesting things |
| 99 test(minus,check_minus,1,1.4); |
| 100 test(minus,check_minus,1.3,4); |
| 101 test(minus,check_minus,1.3,1.4); |
| 102 test(minus,check_minus,1,2); |
| 103 test(minus,check_minus,1,undefined); |
| 104 test(minus,check_minus,1,2); |
| 105 test(minus,check_minus,1,true); |
| 106 test(minus,check_minus,1,2); |
| 107 test(minus,check_minus,1,null); |
| 108 test(minus,check_minus,1,2); |
| 109 test(minus,check_minus,1,""); |
| 110 test(minus,check_minus,1,2); |
| 111 |
| 112 // Throw on left |
| 113 test(minus,check_minus,{},1,1); |
| 114 // Throw on right |
| 115 test(minus,check_minus,1,{},2); |
| 116 // Throw both |
| 117 test(minus,check_minus,{},{},1); |
| 118 |
| 119 test(minus,check_minus,1,2); |
| 120 |
| 121 // Now with optimized code |
| 122 test(mod,check_mod,1,2); |
| 123 %OptimizeFunctionOnNextCall(mod); |
| 124 test(mod,check_mod,1,2); |
| 125 |
| 126 test(mod,check_mod,1<<30,1); |
| 127 %OptimizeFunctionOnNextCall(mod); |
| 128 test(mod,check_mod,1<<30,1); |
| 129 test(mod,check_mod,1,1<<30); |
| 130 %OptimizeFunctionOnNextCall(mod); |
| 131 test(mod,check_mod,1,1<<30); |
| 132 test(mod,check_mod,1<<30,-(1<<30)); |
| 133 %OptimizeFunctionOnNextCall(mod); |
| 134 test(mod,check_mod,1<<30,-(1<<30)); |
| 135 |
| 136 test(mod,check_mod,1,{},2); |
| 137 %OptimizeFunctionOnNextCall(mod); |
| 138 test(mod,check_mod,1,{},2); |
| 139 |
| 140 test(mod,check_mod,1,2); |
| 141 |
| 142 |
| 143 // test oddballs |
| 144 function t1(a, b) {return a-b} |
| 145 assertEquals(t1(1,2), 1-2); |
| 146 assertEquals(t1(2,true), 2-1); |
| 147 assertEquals(t1(false,2), 0-2); |
| 148 assertEquals(t1(1,2.4), 1-2.4); |
| 149 assertEquals(t1(1.3,2.4), 1.3-2.4); |
| 150 assertEquals(t1(true,2.4), 1-2.4); |
| 151 assertEquals(t1(1,undefined), 1-NaN); |
| 152 assertEquals(t1(1,1<<30), 1-(1<<30)); |
| 153 assertEquals(t1(1,2), 1-2); |
| 154 |
| 155 function t2(a, b) {return a/b} |
| 156 assertEquals(t2(1,2), 1/2); |
| 157 assertEquals(t2(null,2), 0/2); |
| 158 assertEquals(t2(null,-2), 0/-2); |
| 159 assertEquals(t2(2,null), 2/0); |
| 160 assertEquals(t2(-2,null), -2/0); |
| 161 assertEquals(t2(1,2.4), 1/2.4); |
| 162 assertEquals(t2(1.3,2.4), 1.3/2.4); |
| 163 assertEquals(t2(null,2.4), 0/2.4); |
| 164 assertEquals(t2(1.3,null), 1.3/0); |
| 165 assertEquals(t2(undefined,2), NaN/2); |
| 166 assertEquals(t2(1,1<<30), 1/(1<<30)); |
| 167 assertEquals(t2(1,2), 1/2); |
| 168 |
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