6a14d7d50f
> We also initialize the Isolate on creation. > > This should allow for getting rid of the last remaining default isolate > traces. Also, it'll speed up several isolate related operations that no > longer require locks. > > Embedders that relied on v8::Isolate to return an uninitialized Isolate > (so they can set ResourceConstraints for example, or set flags that > modify the way the isolate is created) should either do the setup before > creating the isolate, or use the recently added CreateParams to pass e.g. > ResourceConstraints. > > BUG=none > LOG=y > R=svenpanne@chromium.org > > Review URL: https://codereview.chromium.org/469783002 BUG=none LOG=y TBR=svenpanne@chromium.org Review URL: https://codereview.chromium.org/583153002 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24067 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
573 lines
18 KiB
C++
573 lines
18 KiB
C++
// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef CCTEST_H_
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#define CCTEST_H_
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#include "src/v8.h"
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#include "src/isolate-inl.h"
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#ifndef TEST
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#define TEST(Name) \
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static void Test##Name(); \
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CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, true, true); \
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static void Test##Name()
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#endif
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#ifndef UNINITIALIZED_TEST
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#define UNINITIALIZED_TEST(Name) \
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static void Test##Name(); \
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CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, true, false); \
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static void Test##Name()
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#endif
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#ifndef DEPENDENT_TEST
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#define DEPENDENT_TEST(Name, Dep) \
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static void Test##Name(); \
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CcTest register_test_##Name(Test##Name, __FILE__, #Name, #Dep, true, true); \
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static void Test##Name()
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#endif
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#ifndef UNINITIALIZED_DEPENDENT_TEST
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#define UNINITIALIZED_DEPENDENT_TEST(Name, Dep) \
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static void Test##Name(); \
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CcTest register_test_##Name(Test##Name, __FILE__, #Name, #Dep, true, false); \
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static void Test##Name()
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#endif
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#ifndef DISABLED_TEST
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#define DISABLED_TEST(Name) \
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static void Test##Name(); \
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CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, false, true); \
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static void Test##Name()
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#endif
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#define EXTENSION_LIST(V) \
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V(GC_EXTENSION, "v8/gc") \
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V(PRINT_EXTENSION, "v8/print") \
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V(PROFILER_EXTENSION, "v8/profiler") \
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V(TRACE_EXTENSION, "v8/trace")
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#define DEFINE_EXTENSION_ID(Name, Ident) Name##_ID,
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enum CcTestExtensionIds {
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EXTENSION_LIST(DEFINE_EXTENSION_ID)
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kMaxExtensions
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};
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#undef DEFINE_EXTENSION_ID
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typedef v8::internal::EnumSet<CcTestExtensionIds> CcTestExtensionFlags;
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#define DEFINE_EXTENSION_FLAG(Name, Ident) \
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static const CcTestExtensionFlags Name(1 << Name##_ID);
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static const CcTestExtensionFlags NO_EXTENSIONS(0);
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static const CcTestExtensionFlags ALL_EXTENSIONS((1 << kMaxExtensions) - 1);
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EXTENSION_LIST(DEFINE_EXTENSION_FLAG)
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#undef DEFINE_EXTENSION_FLAG
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// Use this to expose protected methods in i::Heap.
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class TestHeap : public i::Heap {
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public:
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using i::Heap::AllocateByteArray;
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using i::Heap::AllocateFixedArray;
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using i::Heap::AllocateHeapNumber;
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using i::Heap::AllocateJSObject;
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using i::Heap::AllocateJSObjectFromMap;
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using i::Heap::AllocateMap;
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using i::Heap::CopyCode;
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};
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class CcTest {
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public:
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typedef void (TestFunction)();
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CcTest(TestFunction* callback, const char* file, const char* name,
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const char* dependency, bool enabled, bool initialize);
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void Run();
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static CcTest* last() { return last_; }
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CcTest* prev() { return prev_; }
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const char* file() { return file_; }
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const char* name() { return name_; }
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const char* dependency() { return dependency_; }
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bool enabled() { return enabled_; }
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static v8::Isolate* isolate() {
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CHECK(isolate_ != NULL);
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isolate_used_ = true;
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return isolate_;
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}
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static i::Isolate* InitIsolateOnce() {
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if (!initialize_called_) InitializeVM();
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return i_isolate();
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}
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static i::Isolate* i_isolate() {
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return reinterpret_cast<i::Isolate*>(isolate());
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}
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static i::Heap* heap() {
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return i_isolate()->heap();
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}
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static TestHeap* test_heap() {
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return reinterpret_cast<TestHeap*>(i_isolate()->heap());
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}
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static v8::base::RandomNumberGenerator* random_number_generator() {
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return InitIsolateOnce()->random_number_generator();
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}
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static v8::Local<v8::Object> global() {
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return isolate()->GetCurrentContext()->Global();
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}
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// TODO(dcarney): Remove.
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// This must be called first in a test.
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static void InitializeVM() {
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CHECK(!isolate_used_);
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CHECK(!initialize_called_);
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initialize_called_ = true;
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v8::HandleScope handle_scope(CcTest::isolate());
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v8::Context::New(CcTest::isolate())->Enter();
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}
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// Only for UNINITIALIZED_TESTs
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static void DisableAutomaticDispose();
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// Helper function to configure a context.
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// Must be in a HandleScope.
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static v8::Local<v8::Context> NewContext(
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CcTestExtensionFlags extensions,
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v8::Isolate* isolate = CcTest::isolate());
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static void TearDown() {
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if (isolate_ != NULL) isolate_->Dispose();
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}
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private:
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friend int main(int argc, char** argv);
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TestFunction* callback_;
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const char* file_;
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const char* name_;
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const char* dependency_;
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bool enabled_;
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bool initialize_;
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CcTest* prev_;
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static CcTest* last_;
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static v8::Isolate* isolate_;
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static bool initialize_called_;
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static bool isolate_used_;
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};
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// Switches between all the Api tests using the threading support.
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// In order to get a surprising but repeatable pattern of thread
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// switching it has extra semaphores to control the order in which
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// the tests alternate, not relying solely on the big V8 lock.
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//
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// A test is augmented with calls to ApiTestFuzzer::Fuzz() in its
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// callbacks. This will have no effect when we are not running the
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// thread fuzzing test. In the thread fuzzing test it will
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// pseudorandomly select a successor thread and switch execution
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// to that thread, suspending the current test.
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class ApiTestFuzzer: public v8::base::Thread {
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public:
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void CallTest();
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// The ApiTestFuzzer is also a Thread, so it has a Run method.
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virtual void Run();
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enum PartOfTest { FIRST_PART,
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SECOND_PART,
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THIRD_PART,
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FOURTH_PART,
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LAST_PART = FOURTH_PART };
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static void SetUp(PartOfTest part);
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static void RunAllTests();
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static void TearDown();
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// This method switches threads if we are running the Threading test.
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// Otherwise it does nothing.
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static void Fuzz();
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private:
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explicit ApiTestFuzzer(int num)
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: Thread(Options("ApiTestFuzzer")),
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test_number_(num),
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gate_(0),
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active_(true) {}
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~ApiTestFuzzer() {}
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static bool fuzzing_;
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static int tests_being_run_;
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static int current_;
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static int active_tests_;
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static bool NextThread();
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int test_number_;
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v8::base::Semaphore gate_;
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bool active_;
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void ContextSwitch();
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static int GetNextTestNumber();
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static v8::base::Semaphore all_tests_done_;
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};
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#define THREADED_TEST(Name) \
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static void Test##Name(); \
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RegisterThreadedTest register_##Name(Test##Name, #Name); \
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/* */ TEST(Name)
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class RegisterThreadedTest {
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public:
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explicit RegisterThreadedTest(CcTest::TestFunction* callback,
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const char* name)
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: fuzzer_(NULL), callback_(callback), name_(name) {
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prev_ = first_;
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first_ = this;
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count_++;
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}
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static int count() { return count_; }
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static RegisterThreadedTest* nth(int i) {
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CHECK(i < count());
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RegisterThreadedTest* current = first_;
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while (i > 0) {
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i--;
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current = current->prev_;
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}
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return current;
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}
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CcTest::TestFunction* callback() { return callback_; }
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ApiTestFuzzer* fuzzer_;
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const char* name() { return name_; }
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private:
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static RegisterThreadedTest* first_;
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static int count_;
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CcTest::TestFunction* callback_;
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RegisterThreadedTest* prev_;
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const char* name_;
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};
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// A LocalContext holds a reference to a v8::Context.
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class LocalContext {
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public:
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LocalContext(v8::Isolate* isolate,
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v8::ExtensionConfiguration* extensions = 0,
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v8::Handle<v8::ObjectTemplate> global_template =
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v8::Handle<v8::ObjectTemplate>(),
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v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>()) {
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Initialize(isolate, extensions, global_template, global_object);
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}
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LocalContext(v8::ExtensionConfiguration* extensions = 0,
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v8::Handle<v8::ObjectTemplate> global_template =
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v8::Handle<v8::ObjectTemplate>(),
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v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>()) {
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Initialize(CcTest::isolate(), extensions, global_template, global_object);
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}
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virtual ~LocalContext() {
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v8::HandleScope scope(isolate_);
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v8::Local<v8::Context>::New(isolate_, context_)->Exit();
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context_.Reset();
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}
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v8::Context* operator->() {
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return *reinterpret_cast<v8::Context**>(&context_);
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}
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v8::Context* operator*() { return operator->(); }
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bool IsReady() { return !context_.IsEmpty(); }
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v8::Local<v8::Context> local() {
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return v8::Local<v8::Context>::New(isolate_, context_);
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}
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private:
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void Initialize(v8::Isolate* isolate,
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v8::ExtensionConfiguration* extensions,
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v8::Handle<v8::ObjectTemplate> global_template,
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v8::Handle<v8::Value> global_object) {
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v8::HandleScope scope(isolate);
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v8::Local<v8::Context> context = v8::Context::New(isolate,
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extensions,
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global_template,
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global_object);
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context_.Reset(isolate, context);
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context->Enter();
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// We can't do this later perhaps because of a fatal error.
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isolate_ = isolate;
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}
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v8::Persistent<v8::Context> context_;
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v8::Isolate* isolate_;
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};
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static inline uint16_t* AsciiToTwoByteString(const char* source) {
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int array_length = i::StrLength(source) + 1;
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uint16_t* converted = i::NewArray<uint16_t>(array_length);
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for (int i = 0; i < array_length; i++) converted[i] = source[i];
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return converted;
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}
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static inline v8::Local<v8::Value> v8_num(double x) {
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return v8::Number::New(v8::Isolate::GetCurrent(), x);
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}
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static inline v8::Local<v8::String> v8_str(const char* x) {
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return v8::String::NewFromUtf8(v8::Isolate::GetCurrent(), x);
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}
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static inline v8::Local<v8::Script> v8_compile(const char* x) {
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return v8::Script::Compile(v8_str(x));
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}
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static inline v8::Local<v8::Script> v8_compile(v8::Local<v8::String> x) {
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return v8::Script::Compile(x);
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}
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static inline v8::Local<v8::Script> CompileWithOrigin(
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v8::Local<v8::String> source, v8::Local<v8::String> origin_url) {
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v8::ScriptOrigin origin(origin_url);
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v8::ScriptCompiler::Source script_source(source, origin);
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return v8::ScriptCompiler::Compile(
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v8::Isolate::GetCurrent(), &script_source);
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}
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static inline v8::Local<v8::Script> CompileWithOrigin(
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v8::Local<v8::String> source, const char* origin_url) {
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return CompileWithOrigin(source, v8_str(origin_url));
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}
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static inline v8::Local<v8::Script> CompileWithOrigin(const char* source,
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const char* origin_url) {
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return CompileWithOrigin(v8_str(source), v8_str(origin_url));
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}
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// Helper functions that compile and run the source.
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static inline v8::Local<v8::Value> CompileRun(const char* source) {
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return v8::Script::Compile(v8_str(source))->Run();
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}
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static inline v8::Local<v8::Value> CompileRun(v8::Local<v8::String> source) {
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return v8::Script::Compile(source)->Run();
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}
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static inline v8::Local<v8::Value> ParserCacheCompileRun(const char* source) {
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// Compile once just to get the preparse data, then compile the second time
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// using the data.
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v8::Isolate* isolate = v8::Isolate::GetCurrent();
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v8::ScriptCompiler::Source script_source(v8_str(source));
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v8::ScriptCompiler::Compile(isolate, &script_source,
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v8::ScriptCompiler::kProduceParserCache);
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// Check whether we received cached data, and if so use it.
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v8::ScriptCompiler::CompileOptions options =
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script_source.GetCachedData() ? v8::ScriptCompiler::kConsumeParserCache
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: v8::ScriptCompiler::kNoCompileOptions;
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return v8::ScriptCompiler::Compile(isolate, &script_source, options)->Run();
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}
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// Helper functions that compile and run the source with given origin.
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static inline v8::Local<v8::Value> CompileRunWithOrigin(const char* source,
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const char* origin_url,
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int line_number,
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int column_number) {
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v8::Isolate* isolate = v8::Isolate::GetCurrent();
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v8::ScriptOrigin origin(v8_str(origin_url),
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v8::Integer::New(isolate, line_number),
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v8::Integer::New(isolate, column_number));
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v8::ScriptCompiler::Source script_source(v8_str(source), origin);
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return v8::ScriptCompiler::Compile(isolate, &script_source)->Run();
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}
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static inline v8::Local<v8::Value> CompileRunWithOrigin(
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v8::Local<v8::String> source, const char* origin_url) {
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v8::ScriptCompiler::Source script_source(
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source, v8::ScriptOrigin(v8_str(origin_url)));
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return v8::ScriptCompiler::Compile(v8::Isolate::GetCurrent(), &script_source)
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->Run();
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}
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static inline v8::Local<v8::Value> CompileRunWithOrigin(
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const char* source, const char* origin_url) {
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return CompileRunWithOrigin(v8_str(source), origin_url);
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}
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static inline void ExpectString(const char* code, const char* expected) {
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v8::Local<v8::Value> result = CompileRun(code);
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CHECK(result->IsString());
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v8::String::Utf8Value utf8(result);
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CHECK_EQ(expected, *utf8);
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}
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static inline void ExpectInt32(const char* code, int expected) {
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v8::Local<v8::Value> result = CompileRun(code);
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CHECK(result->IsInt32());
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CHECK_EQ(expected, result->Int32Value());
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}
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static inline void ExpectBoolean(const char* code, bool expected) {
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v8::Local<v8::Value> result = CompileRun(code);
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CHECK(result->IsBoolean());
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CHECK_EQ(expected, result->BooleanValue());
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}
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static inline void ExpectTrue(const char* code) {
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ExpectBoolean(code, true);
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}
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static inline void ExpectFalse(const char* code) {
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ExpectBoolean(code, false);
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}
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static inline void ExpectObject(const char* code,
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v8::Local<v8::Value> expected) {
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v8::Local<v8::Value> result = CompileRun(code);
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CHECK(result->SameValue(expected));
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}
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static inline void ExpectUndefined(const char* code) {
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v8::Local<v8::Value> result = CompileRun(code);
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CHECK(result->IsUndefined());
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}
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// Helper function that simulates a full new-space in the heap.
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static inline void SimulateFullSpace(v8::internal::NewSpace* space) {
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int new_linear_size = static_cast<int>(
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*space->allocation_limit_address() - *space->allocation_top_address());
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if (new_linear_size == 0) return;
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v8::internal::AllocationResult allocation =
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space->AllocateRaw(new_linear_size);
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v8::internal::FreeListNode* node =
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v8::internal::FreeListNode::cast(allocation.ToObjectChecked());
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node->set_size(space->heap(), new_linear_size);
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}
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// Helper function that simulates a full old-space in the heap.
|
|
static inline void SimulateFullSpace(v8::internal::PagedSpace* space) {
|
|
space->EmptyAllocationInfo();
|
|
space->ResetFreeList();
|
|
space->ClearStats();
|
|
}
|
|
|
|
|
|
// Helper function that simulates many incremental marking steps until
|
|
// marking is completed.
|
|
static inline void SimulateIncrementalMarking(i::Heap* heap) {
|
|
i::MarkCompactCollector* collector = heap->mark_compact_collector();
|
|
i::IncrementalMarking* marking = heap->incremental_marking();
|
|
if (collector->sweeping_in_progress()) {
|
|
collector->EnsureSweepingCompleted();
|
|
}
|
|
CHECK(marking->IsMarking() || marking->IsStopped());
|
|
if (marking->IsStopped()) {
|
|
marking->Start();
|
|
}
|
|
CHECK(marking->IsMarking());
|
|
while (!marking->IsComplete()) {
|
|
marking->Step(i::MB, i::IncrementalMarking::NO_GC_VIA_STACK_GUARD);
|
|
}
|
|
CHECK(marking->IsComplete());
|
|
}
|
|
|
|
|
|
// Helper class for new allocations tracking and checking.
|
|
// To use checking of JS allocations tracking in a test,
|
|
// just create an instance of this class.
|
|
class HeapObjectsTracker {
|
|
public:
|
|
HeapObjectsTracker() {
|
|
heap_profiler_ = i::Isolate::Current()->heap_profiler();
|
|
CHECK_NE(NULL, heap_profiler_);
|
|
heap_profiler_->StartHeapObjectsTracking(true);
|
|
}
|
|
|
|
~HeapObjectsTracker() {
|
|
i::Isolate::Current()->heap()->CollectAllAvailableGarbage();
|
|
CHECK_EQ(0, heap_profiler_->heap_object_map()->FindUntrackedObjects());
|
|
heap_profiler_->StopHeapObjectsTracking();
|
|
}
|
|
|
|
private:
|
|
i::HeapProfiler* heap_profiler_;
|
|
};
|
|
|
|
|
|
class InitializedHandleScope {
|
|
public:
|
|
InitializedHandleScope()
|
|
: main_isolate_(CcTest::InitIsolateOnce()),
|
|
handle_scope_(main_isolate_) {}
|
|
|
|
// Prefixing the below with main_ reduces a lot of naming clashes.
|
|
i::Isolate* main_isolate() { return main_isolate_; }
|
|
|
|
private:
|
|
i::Isolate* main_isolate_;
|
|
i::HandleScope handle_scope_;
|
|
};
|
|
|
|
|
|
class HandleAndZoneScope : public InitializedHandleScope {
|
|
public:
|
|
HandleAndZoneScope() : main_zone_(main_isolate()) {}
|
|
|
|
// Prefixing the below with main_ reduces a lot of naming clashes.
|
|
i::Zone* main_zone() { return &main_zone_; }
|
|
|
|
private:
|
|
i::Zone main_zone_;
|
|
};
|
|
|
|
#endif // ifndef CCTEST_H_
|