64941f1cf9
Review URL: http://codereview.chromium.org/394007 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3307 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
259 lines
8.7 KiB
C++
259 lines
8.7 KiB
C++
// Copyright 2007-2008 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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#include <signal.h>
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#include "sys/stat.h"
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#include "v8.h"
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#include "debug.h"
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#include "ic-inl.h"
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#include "runtime.h"
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#include "serialize.h"
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#include "scopeinfo.h"
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#include "snapshot.h"
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#include "cctest.h"
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using namespace v8::internal;
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static const unsigned kCounters = 256;
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static int local_counters[kCounters];
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static const char* local_counter_names[kCounters];
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static unsigned CounterHash(const char* s) {
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unsigned hash = 0;
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while (*++s) {
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hash |= hash << 5;
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hash += *s;
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}
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return hash;
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}
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// Callback receiver to track counters in test.
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static int* counter_function(const char* name) {
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unsigned hash = CounterHash(name) % kCounters;
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unsigned original_hash = hash;
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USE(original_hash);
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while (true) {
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if (local_counter_names[hash] == name) {
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return &local_counters[hash];
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}
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if (local_counter_names[hash] == 0) {
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local_counter_names[hash] = name;
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return &local_counters[hash];
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}
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if (strcmp(local_counter_names[hash], name) == 0) {
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return &local_counters[hash];
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}
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hash = (hash + 1) % kCounters;
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ASSERT(hash != original_hash); // Hash table has been filled up.
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}
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}
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template <class T>
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static Address AddressOf(T id) {
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return ExternalReference(id).address();
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}
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template <class T>
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static uint32_t Encode(const ExternalReferenceEncoder& encoder, T id) {
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return encoder.Encode(AddressOf(id));
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}
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static int make_code(TypeCode type, int id) {
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return static_cast<uint32_t>(type) << kReferenceTypeShift | id;
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}
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static int register_code(int reg) {
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return Debug::k_register_address << kDebugIdShift | reg;
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}
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TEST(ExternalReferenceEncoder) {
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StatsTable::SetCounterFunction(counter_function);
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Heap::Setup(false);
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ExternalReferenceEncoder encoder;
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CHECK_EQ(make_code(BUILTIN, Builtins::ArrayCode),
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Encode(encoder, Builtins::ArrayCode));
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CHECK_EQ(make_code(RUNTIME_FUNCTION, Runtime::kAbort),
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Encode(encoder, Runtime::kAbort));
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CHECK_EQ(make_code(IC_UTILITY, IC::kLoadCallbackProperty),
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Encode(encoder, IC_Utility(IC::kLoadCallbackProperty)));
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CHECK_EQ(make_code(DEBUG_ADDRESS, register_code(3)),
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Encode(encoder, Debug_Address(Debug::k_register_address, 3)));
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ExternalReference keyed_load_function_prototype =
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ExternalReference(&Counters::keyed_load_function_prototype);
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CHECK_EQ(make_code(STATS_COUNTER, Counters::k_keyed_load_function_prototype),
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encoder.Encode(keyed_load_function_prototype.address()));
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ExternalReference passed_function =
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ExternalReference::builtin_passed_function();
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CHECK_EQ(make_code(UNCLASSIFIED, 1),
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encoder.Encode(passed_function.address()));
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ExternalReference the_hole_value_location =
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ExternalReference::the_hole_value_location();
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CHECK_EQ(make_code(UNCLASSIFIED, 2),
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encoder.Encode(the_hole_value_location.address()));
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ExternalReference stack_limit_address =
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ExternalReference::address_of_stack_limit();
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CHECK_EQ(make_code(UNCLASSIFIED, 4),
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encoder.Encode(stack_limit_address.address()));
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ExternalReference real_stack_limit_address =
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ExternalReference::address_of_real_stack_limit();
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CHECK_EQ(make_code(UNCLASSIFIED, 5),
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encoder.Encode(real_stack_limit_address.address()));
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CHECK_EQ(make_code(UNCLASSIFIED, 11),
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encoder.Encode(ExternalReference::debug_break().address()));
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CHECK_EQ(make_code(UNCLASSIFIED, 7),
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encoder.Encode(ExternalReference::new_space_start().address()));
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CHECK_EQ(make_code(UNCLASSIFIED, 3),
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encoder.Encode(ExternalReference::roots_address().address()));
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}
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TEST(ExternalReferenceDecoder) {
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StatsTable::SetCounterFunction(counter_function);
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Heap::Setup(false);
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ExternalReferenceDecoder decoder;
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CHECK_EQ(AddressOf(Builtins::ArrayCode),
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decoder.Decode(make_code(BUILTIN, Builtins::ArrayCode)));
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CHECK_EQ(AddressOf(Runtime::kAbort),
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decoder.Decode(make_code(RUNTIME_FUNCTION, Runtime::kAbort)));
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CHECK_EQ(AddressOf(IC_Utility(IC::kLoadCallbackProperty)),
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decoder.Decode(make_code(IC_UTILITY, IC::kLoadCallbackProperty)));
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CHECK_EQ(AddressOf(Debug_Address(Debug::k_register_address, 3)),
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decoder.Decode(make_code(DEBUG_ADDRESS, register_code(3))));
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ExternalReference keyed_load_function =
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ExternalReference(&Counters::keyed_load_function_prototype);
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CHECK_EQ(keyed_load_function.address(),
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decoder.Decode(
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make_code(STATS_COUNTER,
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Counters::k_keyed_load_function_prototype)));
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CHECK_EQ(ExternalReference::builtin_passed_function().address(),
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decoder.Decode(make_code(UNCLASSIFIED, 1)));
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CHECK_EQ(ExternalReference::the_hole_value_location().address(),
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decoder.Decode(make_code(UNCLASSIFIED, 2)));
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CHECK_EQ(ExternalReference::address_of_stack_limit().address(),
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decoder.Decode(make_code(UNCLASSIFIED, 4)));
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CHECK_EQ(ExternalReference::address_of_real_stack_limit().address(),
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decoder.Decode(make_code(UNCLASSIFIED, 5)));
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CHECK_EQ(ExternalReference::debug_break().address(),
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decoder.Decode(make_code(UNCLASSIFIED, 11)));
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CHECK_EQ(ExternalReference::new_space_start().address(),
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decoder.Decode(make_code(UNCLASSIFIED, 7)));
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}
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static void Serialize() {
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// We have to create one context. One reason for this is so that the builtins
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// can be loaded from v8natives.js and their addresses can be processed. This
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// will clear the pending fixups array, which would otherwise contain GC roots
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// that would confuse the serialization/deserialization process.
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v8::Persistent<v8::Context> env = v8::Context::New();
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env.Dispose();
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Snapshot::WriteToFile(FLAG_testing_serialization_file);
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}
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// Test that the whole heap can be serialized.
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TEST(Serialize) {
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Serializer::Enable();
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v8::V8::Initialize();
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Serialize();
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}
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//----------------------------------------------------------------------------
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// Tests that the heap can be deserialized.
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static void Deserialize() {
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CHECK(Snapshot::Initialize(FLAG_testing_serialization_file));
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}
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static void SanityCheck() {
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v8::HandleScope scope;
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#ifdef DEBUG
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Heap::Verify();
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#endif
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CHECK(Top::global()->IsJSObject());
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CHECK(Top::global_context()->IsContext());
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CHECK(Top::special_function_table()->IsFixedArray());
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CHECK(Heap::symbol_table()->IsSymbolTable());
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CHECK(!Factory::LookupAsciiSymbol("Empty")->IsFailure());
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}
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DEPENDENT_TEST(Deserialize, Serialize) {
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v8::HandleScope scope;
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Deserialize();
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fflush(stdout);
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v8::Persistent<v8::Context> env = v8::Context::New();
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env->Enter();
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SanityCheck();
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}
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DEPENDENT_TEST(DeserializeAndRunScript2, Serialize) {
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v8::HandleScope scope;
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Deserialize();
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v8::Persistent<v8::Context> env = v8::Context::New();
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env->Enter();
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const char* c_source = "\"1234\".length";
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v8::Local<v8::String> source = v8::String::New(c_source);
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v8::Local<v8::Script> script = v8::Script::Compile(source);
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CHECK_EQ(4, script->Run()->Int32Value());
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}
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TEST(TestThatAlwaysSucceeds) {
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}
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TEST(TestThatAlwaysFails) {
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bool ArtificialFailure = false;
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CHECK(ArtificialFailure);
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}
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DEPENDENT_TEST(DependentTestThatAlwaysFails, TestThatAlwaysSucceeds) {
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bool ArtificialFailure2 = false;
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CHECK(ArtificialFailure2);
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}
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