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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 63 double crankshaft_value = HeapNumber::cast(*value)->value(); | 63 double crankshaft_value = HeapNumber::cast(*value)->value(); |
| 64 | 64 |
| 65 SetSeeds(seeds, state0, state1); | 65 SetSeeds(seeds, state0, state1); |
| 66 V8::FillHeapNumberWithRandom(*value, *context); | 66 V8::FillHeapNumberWithRandom(*value, *context); |
| 67 double runtime_value = HeapNumber::cast(*value)->value(); | 67 double runtime_value = HeapNumber::cast(*value)->value(); |
| 68 CHECK_EQ(runtime_value, crankshaft_value); | 68 CHECK_EQ(runtime_value, crankshaft_value); |
| 69 } | 69 } |
| 70 | 70 |
| 71 | 71 |
| 72 TEST(CrankshaftRandom) { | 72 TEST(CrankshaftRandom) { |
| 73 if (!FLAG_crankshaft) return; | |
| 74 | |
| 75 if (env.IsEmpty()) env = v8::Context::New(); | 73 if (env.IsEmpty()) env = v8::Context::New(); |
| 74 // Skip test if crankshaft is disabled. |
| 75 if (!V8::UseCrankshaft()) return; |
| 76 v8::HandleScope scope; | 76 v8::HandleScope scope; |
| 77 env->Enter(); | 77 env->Enter(); |
| 78 | 78 |
| 79 Handle<Context> context(Isolate::Current()->context()); | 79 Handle<Context> context(Isolate::Current()->context()); |
| 80 Handle<JSObject> global(context->global()); | 80 Handle<JSObject> global(context->global()); |
| 81 Handle<ByteArray> seeds(context->random_seed()); | 81 Handle<ByteArray> seeds(context->random_seed()); |
| 82 bool has_pending_exception; | 82 bool has_pending_exception; |
| 83 | 83 |
| 84 CompileRun("function f() { return Math.random(); }"); | 84 CompileRun("function f() { return Math.random(); }"); |
| 85 | 85 |
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| 100 | 100 |
| 101 // Test that we bail out to runtime when seeds are uninitialized (zeros). | 101 // Test that we bail out to runtime when seeds are uninitialized (zeros). |
| 102 SetSeeds(seeds, 0, 0); | 102 SetSeeds(seeds, 0, 0); |
| 103 Handle<Object> value = | 103 Handle<Object> value = |
| 104 Execution::Call(fun, global, 0, NULL, &has_pending_exception); | 104 Execution::Call(fun, global, 0, NULL, &has_pending_exception); |
| 105 CHECK(value->IsHeapNumber()); | 105 CHECK(value->IsHeapNumber()); |
| 106 CHECK(fun->IsOptimized()); | 106 CHECK(fun->IsOptimized()); |
| 107 double crankshaft_value = HeapNumber::cast(*value)->value(); | 107 double crankshaft_value = HeapNumber::cast(*value)->value(); |
| 108 CHECK_NE(0.0, crankshaft_value); | 108 CHECK_NE(0.0, crankshaft_value); |
| 109 } | 109 } |
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