2012-01-16 12:28:10 +00:00
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// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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2011-10-05 05:20:07 +00:00
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/allocation.h"
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2017-07-13 15:08:33 +00:00
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#include "platform/assert.h"
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2011-10-05 05:20:07 +00:00
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#include "vm/longjump.h"
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#include "vm/unit_test.h"
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namespace dart {
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class TestValueObject : public ValueObject {
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public:
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explicit TestValueObject(int* ptr) : ptr_(ptr) {
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EXPECT_EQ(1, *ptr_);
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*ptr_ = 2;
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}
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virtual ~TestValueObject() {
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EXPECT_EQ(3, *ptr_);
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*ptr_ = 4;
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}
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int value() const { return *ptr_; }
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virtual int GetId() const { return 3; }
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private:
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int* ptr_;
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};
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class TestStackResource : public StackResource {
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public:
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2011-11-12 05:55:22 +00:00
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explicit TestStackResource(int* ptr)
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2015-10-20 17:26:08 +00:00
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: StackResource(Thread::Current()), ptr_(ptr) {
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2011-10-05 05:20:07 +00:00
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EXPECT_EQ(1, *ptr_);
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*ptr_ = 2;
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}
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~TestStackResource() {
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EXPECT_EQ(6, *ptr_);
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*ptr_ = 7;
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}
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int value() const { return *ptr_; }
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virtual int GetId() const { return 3; }
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private:
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int* ptr_;
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};
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class TestStackedStackResource : public StackResource {
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public:
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2011-11-12 05:55:22 +00:00
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explicit TestStackedStackResource(int* ptr)
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2015-10-20 17:26:08 +00:00
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: StackResource(Thread::Current()), ptr_(ptr) {
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2011-10-05 05:20:07 +00:00
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EXPECT_EQ(3, *ptr_);
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*ptr_ = 4;
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}
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~TestStackedStackResource() {
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EXPECT_EQ(5, *ptr_);
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*ptr_ = 6;
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}
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int value() const { return *ptr_; }
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private:
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int* ptr_;
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};
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static void StackAllocatedDestructionHelper(int* ptr) {
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TestValueObject stacked(ptr);
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EXPECT_EQ(2, *ptr);
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*ptr = 3;
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}
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2018-08-28 16:40:17 +00:00
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ISOLATE_UNIT_TEST_CASE(StackAllocatedDestruction) {
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2011-10-05 05:20:07 +00:00
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int data = 1;
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StackAllocatedDestructionHelper(&data);
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EXPECT_EQ(4, data);
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}
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2014-01-04 01:23:43 +00:00
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static void StackAllocatedLongJumpHelper(int* ptr, LongJumpScope* jump) {
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2011-10-05 05:20:07 +00:00
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TestValueObject stacked(ptr);
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EXPECT_EQ(2, *ptr);
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*ptr = 3;
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2016-11-08 21:54:47 +00:00
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const Error& error = Error::Handle(LanguageError::New(
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String::Handle(String::New("StackAllocatedLongJump"))));
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2012-01-17 19:54:02 +00:00
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jump->Jump(1, error);
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2011-10-05 05:20:07 +00:00
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UNREACHABLE();
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}
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2018-08-28 16:40:17 +00:00
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ISOLATE_UNIT_TEST_CASE(StackAllocatedLongJump) {
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2014-01-04 01:23:43 +00:00
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LongJumpScope jump;
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2011-10-05 05:20:07 +00:00
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int data = 1;
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if (setjmp(*jump.Set()) == 0) {
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StackAllocatedLongJumpHelper(&data, &jump);
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UNREACHABLE();
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}
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EXPECT_EQ(3, data);
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}
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static void StackedStackResourceDestructionHelper(int* ptr) {
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TestStackedStackResource stacked(ptr);
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EXPECT_EQ(4, *ptr);
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*ptr = 5;
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}
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static void StackResourceDestructionHelper(int* ptr) {
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TestStackResource stacked(ptr);
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EXPECT_EQ(2, *ptr);
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*ptr = 3;
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StackedStackResourceDestructionHelper(ptr);
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EXPECT_EQ(6, *ptr);
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// Do not set data because the LongJump version does not return control here.
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}
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2018-08-28 16:40:17 +00:00
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ISOLATE_UNIT_TEST_CASE(StackResourceDestruction) {
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2011-10-05 05:20:07 +00:00
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int data = 1;
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StackResourceDestructionHelper(&data);
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EXPECT_EQ(7, data);
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}
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2014-01-04 01:23:43 +00:00
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static void StackedStackResourceLongJumpHelper(int* ptr, LongJumpScope* jump) {
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2011-10-05 05:20:07 +00:00
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TestStackedStackResource stacked(ptr);
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EXPECT_EQ(4, *ptr);
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*ptr = 5;
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2016-11-08 21:54:47 +00:00
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const Error& error = Error::Handle(LanguageError::New(
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String::Handle(String::New("StackedStackResourceLongJump"))));
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2012-01-17 19:54:02 +00:00
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jump->Jump(1, error);
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2011-10-05 05:20:07 +00:00
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UNREACHABLE();
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}
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2014-01-04 01:23:43 +00:00
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static void StackResourceLongJumpHelper(int* ptr, LongJumpScope* jump) {
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2011-10-05 05:20:07 +00:00
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TestStackResource stacked(ptr);
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EXPECT_EQ(2, *ptr);
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*ptr = 3;
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StackedStackResourceLongJumpHelper(ptr, jump);
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UNREACHABLE();
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}
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2018-08-28 16:40:17 +00:00
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ISOLATE_UNIT_TEST_CASE(StackResourceLongJump) {
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2015-08-17 20:29:17 +00:00
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LongJumpScope* base = Thread::Current()->long_jump_base();
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2014-01-04 01:23:43 +00:00
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{
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LongJumpScope jump;
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int data = 1;
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if (setjmp(*jump.Set()) == 0) {
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StackResourceLongJumpHelper(&data, &jump);
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UNREACHABLE();
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}
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EXPECT_EQ(7, data);
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2011-10-05 05:20:07 +00:00
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}
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2015-08-17 20:29:17 +00:00
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ASSERT(base == Thread::Current()->long_jump_base());
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2011-10-05 05:20:07 +00:00
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}
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} // namespace dart
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