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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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| 32 #include "v8.h" | 32 #include "v8.h" |
| 33 | 33 |
| 34 #include "cctest.h" | 34 #include "cctest.h" |
| 35 #include "compiler.h" | 35 #include "compiler.h" |
| 36 #include "execution.h" | 36 #include "execution.h" |
| 37 #include "isolate.h" | 37 #include "isolate.h" |
| 38 | 38 |
| 39 | 39 |
| 40 using namespace v8::internal; | 40 using namespace v8::internal; |
| 41 | 41 |
| 42 static v8::Persistent<v8::Context> env; | |
| 43 | |
| 44 | 42 |
| 45 void SetSeeds(Handle<ByteArray> seeds, uint32_t state0, uint32_t state1) { | 43 void SetSeeds(Handle<ByteArray> seeds, uint32_t state0, uint32_t state1) { |
| 46 for (int i = 0; i < 4; i++) { | 44 for (int i = 0; i < 4; i++) { |
| 47 seeds->set(i, static_cast<byte>(state0 >> (i * kBitsPerByte))); | 45 seeds->set(i, static_cast<byte>(state0 >> (i * kBitsPerByte))); |
| 48 seeds->set(i + 4, static_cast<byte>(state1 >> (i * kBitsPerByte))); | 46 seeds->set(i + 4, static_cast<byte>(state1 >> (i * kBitsPerByte))); |
| 49 } | 47 } |
| 50 } | 48 } |
| 51 | 49 |
| 52 | 50 |
| 53 void TestSeeds(Handle<JSFunction> fun, | 51 void TestSeeds(Handle<JSFunction> fun, |
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| 66 double crankshaft_value = HeapNumber::cast(*value)->value(); | 64 double crankshaft_value = HeapNumber::cast(*value)->value(); |
| 67 | 65 |
| 68 SetSeeds(seeds, state0, state1); | 66 SetSeeds(seeds, state0, state1); |
| 69 V8::FillHeapNumberWithRandom(*value, *context); | 67 V8::FillHeapNumberWithRandom(*value, *context); |
| 70 double runtime_value = HeapNumber::cast(*value)->value(); | 68 double runtime_value = HeapNumber::cast(*value)->value(); |
| 71 CHECK_EQ(runtime_value, crankshaft_value); | 69 CHECK_EQ(runtime_value, crankshaft_value); |
| 72 } | 70 } |
| 73 | 71 |
| 74 | 72 |
| 75 TEST(CrankshaftRandom) { | 73 TEST(CrankshaftRandom) { |
| 76 if (env.IsEmpty()) env = v8::Context::New(); | 74 v8::V8::Initialize(); |
| 77 // Skip test if crankshaft is disabled. | 75 // Skip test if crankshaft is disabled. |
| 78 if (!V8::UseCrankshaft()) return; | 76 if (!V8::UseCrankshaft()) return; |
| 79 v8::HandleScope scope(env->GetIsolate()); | 77 v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| 80 env->Enter(); | 78 v8::HandleScope scope(isolate); |
| 79 v8::Context::Scope context_scope(v8::Context::New(isolate)); |
| 81 | 80 |
| 82 Handle<Context> context(Isolate::Current()->context()); | 81 Handle<Context> context(Isolate::Current()->context()); |
| 83 Handle<JSObject> global(context->global_object()); | 82 Handle<JSObject> global(context->global_object()); |
| 84 Handle<ByteArray> seeds(context->random_seed()); | 83 Handle<ByteArray> seeds(context->random_seed()); |
| 85 bool has_pending_exception; | 84 bool has_pending_exception; |
| 86 | 85 |
| 87 CompileRun("function f() { return Math.random(); }"); | 86 CompileRun("function f() { return Math.random(); }"); |
| 88 | 87 |
| 89 Object* string = FACTORY->InternalizeOneByteString(STATIC_ASCII_VECTOR("f"))-> | 88 Object* string = FACTORY->InternalizeOneByteString(STATIC_ASCII_VECTOR("f"))-> |
| 90 ToObjectChecked(); | 89 ToObjectChecked(); |
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| 104 | 103 |
| 105 // Test that we bail out to runtime when seeds are uninitialized (zeros). | 104 // Test that we bail out to runtime when seeds are uninitialized (zeros). |
| 106 SetSeeds(seeds, 0, 0); | 105 SetSeeds(seeds, 0, 0); |
| 107 Handle<Object> value = | 106 Handle<Object> value = |
| 108 Execution::Call(fun, global, 0, NULL, &has_pending_exception); | 107 Execution::Call(fun, global, 0, NULL, &has_pending_exception); |
| 109 CHECK(value->IsHeapNumber()); | 108 CHECK(value->IsHeapNumber()); |
| 110 CHECK(fun->IsOptimized()); | 109 CHECK(fun->IsOptimized()); |
| 111 double crankshaft_value = HeapNumber::cast(*value)->value(); | 110 double crankshaft_value = HeapNumber::cast(*value)->value(); |
| 112 CHECK_NE(0.0, crankshaft_value); | 111 CHECK_NE(0.0, crankshaft_value); |
| 113 } | 112 } |
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