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// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "platform/assert.h"
#include "vm/allocation.h"
#include "vm/longjump.h"
#include "vm/unit_test.h"
namespace dart {
class TestValueObject : public ValueObject {
public:
explicit TestValueObject(int* ptr) : ptr_(ptr) {
EXPECT_EQ(1, *ptr_);
*ptr_ = 2;
}
virtual ~TestValueObject() {
EXPECT_EQ(3, *ptr_);
*ptr_ = 4;
}
int value() const { return *ptr_; }
virtual int GetId() const { return 3; }
private:
int* ptr_;
};
class TestStackResource : public StackResource {
public:
explicit TestStackResource(int* ptr)
: StackResource(Isolate::Current()), ptr_(ptr) {
EXPECT_EQ(1, *ptr_);
*ptr_ = 2;
}
~TestStackResource() {
EXPECT_EQ(6, *ptr_);
*ptr_ = 7;
}
int value() const { return *ptr_; }
virtual int GetId() const { return 3; }
private:
int* ptr_;
};
class TestStackedStackResource : public StackResource {
public:
explicit TestStackedStackResource(int* ptr)
: StackResource(Isolate::Current()), ptr_(ptr) {
EXPECT_EQ(3, *ptr_);
*ptr_ = 4;
}
~TestStackedStackResource() {
EXPECT_EQ(5, *ptr_);
*ptr_ = 6;
}
int value() const { return *ptr_; }
private:
int* ptr_;
};
static void StackAllocatedDestructionHelper(int* ptr) {
TestValueObject stacked(ptr);
EXPECT_EQ(2, *ptr);
*ptr = 3;
}
UNIT_TEST_CASE(StackAllocatedDestruction) {
int data = 1;
StackAllocatedDestructionHelper(&data);
EXPECT_EQ(4, data);
}
static void StackAllocatedLongJumpHelper(int* ptr, LongJumpScope* jump) {
TestValueObject stacked(ptr);
EXPECT_EQ(2, *ptr);
*ptr = 3;
const Error& error =
Error::Handle(LanguageError::New(
String::Handle(String::New("StackAllocatedLongJump"))));
jump->Jump(1, error);
UNREACHABLE();
}
TEST_CASE(StackAllocatedLongJump) {
LongJumpScope jump;
int data = 1;
if (setjmp(*jump.Set()) == 0) {
StackAllocatedLongJumpHelper(&data, &jump);
UNREACHABLE();
}
EXPECT_EQ(3, data);
}
static void StackedStackResourceDestructionHelper(int* ptr) {
TestStackedStackResource stacked(ptr);
EXPECT_EQ(4, *ptr);
*ptr = 5;
}
static void StackResourceDestructionHelper(int* ptr) {
TestStackResource stacked(ptr);
EXPECT_EQ(2, *ptr);
*ptr = 3;
StackedStackResourceDestructionHelper(ptr);
EXPECT_EQ(6, *ptr);
// Do not set data because the LongJump version does not return control here.
}
TEST_CASE(StackResourceDestruction) {
int data = 1;
StackResourceDestructionHelper(&data);
EXPECT_EQ(7, data);
}
static void StackedStackResourceLongJumpHelper(int* ptr, LongJumpScope* jump) {
TestStackedStackResource stacked(ptr);
EXPECT_EQ(4, *ptr);
*ptr = 5;
const Error& error =
Error::Handle(LanguageError::New(
String::Handle(String::New("StackedStackResourceLongJump"))));
jump->Jump(1, error);
UNREACHABLE();
}
static void StackResourceLongJumpHelper(int* ptr, LongJumpScope* jump) {
TestStackResource stacked(ptr);
EXPECT_EQ(2, *ptr);
*ptr = 3;
StackedStackResourceLongJumpHelper(ptr, jump);
UNREACHABLE();
}
TEST_CASE(StackResourceLongJump) {
LongJumpScope* base = Thread::Current()->long_jump_base();
{
LongJumpScope jump;
int data = 1;
if (setjmp(*jump.Set()) == 0) {
StackResourceLongJumpHelper(&data, &jump);
UNREACHABLE();
}
EXPECT_EQ(7, data);
}
ASSERT(base == Thread::Current()->long_jump_base());
}
} // namespace dart