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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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