74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
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// Copyright 2021 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/common/globals.h"
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#include "src/execution/isolate-inl.h"
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#include "src/heap/heap-inl.h"
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#include "test/cctest/cctest.h"
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#ifdef V8_COMPRESS_POINTERS
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namespace v8 {
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namespace internal {
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UNINITIALIZED_TEST(PtrComprCageAndIsolateRoot) {
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v8::Isolate::CreateParams create_params;
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create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
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v8::Isolate* isolate1 = v8::Isolate::New(create_params);
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Isolate* i_isolate1 = reinterpret_cast<Isolate*>(isolate1);
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v8::Isolate* isolate2 = v8::Isolate::New(create_params);
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Isolate* i_isolate2 = reinterpret_cast<Isolate*>(isolate2);
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#ifdef V8_COMPRESS_POINTERS_IN_ISOLATE_CAGE
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CHECK_EQ(i_isolate1->isolate_root(), i_isolate1->cage_base());
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CHECK_EQ(i_isolate2->isolate_root(), i_isolate2->cage_base());
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CHECK_NE(i_isolate1->cage_base(), i_isolate2->cage_base());
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#endif
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#ifdef V8_COMPRESS_POINTERS_IN_SHARED_CAGE
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CHECK_NE(i_isolate1->isolate_root(), i_isolate1->cage_base());
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CHECK_NE(i_isolate2->isolate_root(), i_isolate2->cage_base());
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CHECK_NE(i_isolate1->isolate_root(), i_isolate2->isolate_root());
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CHECK_EQ(i_isolate1->cage_base(), i_isolate2->cage_base());
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#endif
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isolate1->Dispose();
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isolate2->Dispose();
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}
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#ifdef V8_COMPRESS_POINTERS_IN_SHARED_CAGE
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UNINITIALIZED_TEST(SharedPtrComprCage) {
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v8::Isolate::CreateParams create_params;
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create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
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v8::Isolate* isolate1 = v8::Isolate::New(create_params);
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Isolate* i_isolate1 = reinterpret_cast<Isolate*>(isolate1);
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v8::Isolate* isolate2 = v8::Isolate::New(create_params);
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Isolate* i_isolate2 = reinterpret_cast<Isolate*>(isolate2);
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Factory* factory1 = i_isolate1->factory();
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Factory* factory2 = i_isolate2->factory();
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{
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HandleScope scope1(i_isolate1);
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HandleScope scope2(i_isolate2);
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Handle<FixedArray> isolate1_object = factory1->NewFixedArray(100);
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Handle<FixedArray> isolate2_object = factory2->NewFixedArray(100);
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CHECK_EQ(GetPtrComprCageBase(*isolate1_object),
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GetPtrComprCageBase(*isolate2_object));
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}
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isolate1->Dispose();
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isolate2->Dispose();
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}
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#endif // V8_COMPRESS_POINTERS_IN_SHARED_CAGE
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} // namespace internal
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} // namespace v8
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#endif // V8_COMPRESS_POINTERS
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