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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); | |
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