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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/allocation.h" |
| 5 #include "platform/assert.h" | 6 #include "platform/assert.h" |
| 6 #include "vm/allocation.h" | |
| 7 #include "vm/longjump.h" | 7 #include "vm/longjump.h" |
| 8 #include "vm/unit_test.h" | 8 #include "vm/unit_test.h" |
| 9 | 9 |
| 10 namespace dart { | 10 namespace dart { |
| 11 | 11 |
| 12 class TestValueObject : public ValueObject { | 12 class TestValueObject : public ValueObject { |
| 13 public: | 13 public: |
| 14 explicit TestValueObject(int* ptr) : ptr_(ptr) { | 14 explicit TestValueObject(int* ptr) : ptr_(ptr) { |
| 15 EXPECT_EQ(1, *ptr_); | 15 EXPECT_EQ(1, *ptr_); |
| 16 *ptr_ = 2; | 16 *ptr_ = 2; |
| 17 } | 17 } |
| 18 | 18 |
| 19 virtual ~TestValueObject() { | 19 virtual ~TestValueObject() { |
| 20 EXPECT_EQ(3, *ptr_); | 20 EXPECT_EQ(3, *ptr_); |
| 21 *ptr_ = 4; | 21 *ptr_ = 4; |
| 22 } | 22 } |
| 23 | 23 |
| 24 int value() const { return *ptr_; } | 24 int value() const { return *ptr_; } |
| 25 virtual int GetId() const { return 3; } | 25 virtual int GetId() const { return 3; } |
| 26 | 26 |
| 27 private: | 27 private: |
| 28 int* ptr_; | 28 int* ptr_; |
| 29 }; | 29 }; |
| 30 | 30 |
| 31 | |
| 32 class TestStackResource : public StackResource { | 31 class TestStackResource : public StackResource { |
| 33 public: | 32 public: |
| 34 explicit TestStackResource(int* ptr) | 33 explicit TestStackResource(int* ptr) |
| 35 : StackResource(Thread::Current()), ptr_(ptr) { | 34 : StackResource(Thread::Current()), ptr_(ptr) { |
| 36 EXPECT_EQ(1, *ptr_); | 35 EXPECT_EQ(1, *ptr_); |
| 37 *ptr_ = 2; | 36 *ptr_ = 2; |
| 38 } | 37 } |
| 39 | 38 |
| 40 ~TestStackResource() { | 39 ~TestStackResource() { |
| 41 EXPECT_EQ(6, *ptr_); | 40 EXPECT_EQ(6, *ptr_); |
| 42 *ptr_ = 7; | 41 *ptr_ = 7; |
| 43 } | 42 } |
| 44 | 43 |
| 45 int value() const { return *ptr_; } | 44 int value() const { return *ptr_; } |
| 46 virtual int GetId() const { return 3; } | 45 virtual int GetId() const { return 3; } |
| 47 | 46 |
| 48 private: | 47 private: |
| 49 int* ptr_; | 48 int* ptr_; |
| 50 }; | 49 }; |
| 51 | 50 |
| 52 | |
| 53 class TestStackedStackResource : public StackResource { | 51 class TestStackedStackResource : public StackResource { |
| 54 public: | 52 public: |
| 55 explicit TestStackedStackResource(int* ptr) | 53 explicit TestStackedStackResource(int* ptr) |
| 56 : StackResource(Thread::Current()), ptr_(ptr) { | 54 : StackResource(Thread::Current()), ptr_(ptr) { |
| 57 EXPECT_EQ(3, *ptr_); | 55 EXPECT_EQ(3, *ptr_); |
| 58 *ptr_ = 4; | 56 *ptr_ = 4; |
| 59 } | 57 } |
| 60 | 58 |
| 61 ~TestStackedStackResource() { | 59 ~TestStackedStackResource() { |
| 62 EXPECT_EQ(5, *ptr_); | 60 EXPECT_EQ(5, *ptr_); |
| 63 *ptr_ = 6; | 61 *ptr_ = 6; |
| 64 } | 62 } |
| 65 | 63 |
| 66 int value() const { return *ptr_; } | 64 int value() const { return *ptr_; } |
| 67 | 65 |
| 68 private: | 66 private: |
| 69 int* ptr_; | 67 int* ptr_; |
| 70 }; | 68 }; |
| 71 | 69 |
| 72 | |
| 73 static void StackAllocatedDestructionHelper(int* ptr) { | 70 static void StackAllocatedDestructionHelper(int* ptr) { |
| 74 TestValueObject stacked(ptr); | 71 TestValueObject stacked(ptr); |
| 75 EXPECT_EQ(2, *ptr); | 72 EXPECT_EQ(2, *ptr); |
| 76 *ptr = 3; | 73 *ptr = 3; |
| 77 } | 74 } |
| 78 | 75 |
| 79 | |
| 80 VM_UNIT_TEST_CASE(StackAllocatedDestruction) { | 76 VM_UNIT_TEST_CASE(StackAllocatedDestruction) { |
| 81 int data = 1; | 77 int data = 1; |
| 82 StackAllocatedDestructionHelper(&data); | 78 StackAllocatedDestructionHelper(&data); |
| 83 EXPECT_EQ(4, data); | 79 EXPECT_EQ(4, data); |
| 84 } | 80 } |
| 85 | 81 |
| 86 | |
| 87 static void StackAllocatedLongJumpHelper(int* ptr, LongJumpScope* jump) { | 82 static void StackAllocatedLongJumpHelper(int* ptr, LongJumpScope* jump) { |
| 88 TestValueObject stacked(ptr); | 83 TestValueObject stacked(ptr); |
| 89 EXPECT_EQ(2, *ptr); | 84 EXPECT_EQ(2, *ptr); |
| 90 *ptr = 3; | 85 *ptr = 3; |
| 91 const Error& error = Error::Handle(LanguageError::New( | 86 const Error& error = Error::Handle(LanguageError::New( |
| 92 String::Handle(String::New("StackAllocatedLongJump")))); | 87 String::Handle(String::New("StackAllocatedLongJump")))); |
| 93 jump->Jump(1, error); | 88 jump->Jump(1, error); |
| 94 UNREACHABLE(); | 89 UNREACHABLE(); |
| 95 } | 90 } |
| 96 | 91 |
| 97 | |
| 98 TEST_CASE(StackAllocatedLongJump) { | 92 TEST_CASE(StackAllocatedLongJump) { |
| 99 LongJumpScope jump; | 93 LongJumpScope jump; |
| 100 int data = 1; | 94 int data = 1; |
| 101 if (setjmp(*jump.Set()) == 0) { | 95 if (setjmp(*jump.Set()) == 0) { |
| 102 StackAllocatedLongJumpHelper(&data, &jump); | 96 StackAllocatedLongJumpHelper(&data, &jump); |
| 103 UNREACHABLE(); | 97 UNREACHABLE(); |
| 104 } | 98 } |
| 105 EXPECT_EQ(3, data); | 99 EXPECT_EQ(3, data); |
| 106 } | 100 } |
| 107 | 101 |
| 108 | |
| 109 static void StackedStackResourceDestructionHelper(int* ptr) { | 102 static void StackedStackResourceDestructionHelper(int* ptr) { |
| 110 TestStackedStackResource stacked(ptr); | 103 TestStackedStackResource stacked(ptr); |
| 111 EXPECT_EQ(4, *ptr); | 104 EXPECT_EQ(4, *ptr); |
| 112 *ptr = 5; | 105 *ptr = 5; |
| 113 } | 106 } |
| 114 | 107 |
| 115 | |
| 116 static void StackResourceDestructionHelper(int* ptr) { | 108 static void StackResourceDestructionHelper(int* ptr) { |
| 117 TestStackResource stacked(ptr); | 109 TestStackResource stacked(ptr); |
| 118 EXPECT_EQ(2, *ptr); | 110 EXPECT_EQ(2, *ptr); |
| 119 *ptr = 3; | 111 *ptr = 3; |
| 120 StackedStackResourceDestructionHelper(ptr); | 112 StackedStackResourceDestructionHelper(ptr); |
| 121 EXPECT_EQ(6, *ptr); | 113 EXPECT_EQ(6, *ptr); |
| 122 // Do not set data because the LongJump version does not return control here. | 114 // Do not set data because the LongJump version does not return control here. |
| 123 } | 115 } |
| 124 | 116 |
| 125 | |
| 126 TEST_CASE(StackResourceDestruction) { | 117 TEST_CASE(StackResourceDestruction) { |
| 127 int data = 1; | 118 int data = 1; |
| 128 StackResourceDestructionHelper(&data); | 119 StackResourceDestructionHelper(&data); |
| 129 EXPECT_EQ(7, data); | 120 EXPECT_EQ(7, data); |
| 130 } | 121 } |
| 131 | 122 |
| 132 | |
| 133 static void StackedStackResourceLongJumpHelper(int* ptr, LongJumpScope* jump) { | 123 static void StackedStackResourceLongJumpHelper(int* ptr, LongJumpScope* jump) { |
| 134 TestStackedStackResource stacked(ptr); | 124 TestStackedStackResource stacked(ptr); |
| 135 EXPECT_EQ(4, *ptr); | 125 EXPECT_EQ(4, *ptr); |
| 136 *ptr = 5; | 126 *ptr = 5; |
| 137 const Error& error = Error::Handle(LanguageError::New( | 127 const Error& error = Error::Handle(LanguageError::New( |
| 138 String::Handle(String::New("StackedStackResourceLongJump")))); | 128 String::Handle(String::New("StackedStackResourceLongJump")))); |
| 139 jump->Jump(1, error); | 129 jump->Jump(1, error); |
| 140 UNREACHABLE(); | 130 UNREACHABLE(); |
| 141 } | 131 } |
| 142 | 132 |
| 143 | |
| 144 static void StackResourceLongJumpHelper(int* ptr, LongJumpScope* jump) { | 133 static void StackResourceLongJumpHelper(int* ptr, LongJumpScope* jump) { |
| 145 TestStackResource stacked(ptr); | 134 TestStackResource stacked(ptr); |
| 146 EXPECT_EQ(2, *ptr); | 135 EXPECT_EQ(2, *ptr); |
| 147 *ptr = 3; | 136 *ptr = 3; |
| 148 StackedStackResourceLongJumpHelper(ptr, jump); | 137 StackedStackResourceLongJumpHelper(ptr, jump); |
| 149 UNREACHABLE(); | 138 UNREACHABLE(); |
| 150 } | 139 } |
| 151 | 140 |
| 152 | |
| 153 TEST_CASE(StackResourceLongJump) { | 141 TEST_CASE(StackResourceLongJump) { |
| 154 LongJumpScope* base = Thread::Current()->long_jump_base(); | 142 LongJumpScope* base = Thread::Current()->long_jump_base(); |
| 155 { | 143 { |
| 156 LongJumpScope jump; | 144 LongJumpScope jump; |
| 157 int data = 1; | 145 int data = 1; |
| 158 if (setjmp(*jump.Set()) == 0) { | 146 if (setjmp(*jump.Set()) == 0) { |
| 159 StackResourceLongJumpHelper(&data, &jump); | 147 StackResourceLongJumpHelper(&data, &jump); |
| 160 UNREACHABLE(); | 148 UNREACHABLE(); |
| 161 } | 149 } |
| 162 EXPECT_EQ(7, data); | 150 EXPECT_EQ(7, data); |
| 163 } | 151 } |
| 164 ASSERT(base == Thread::Current()->long_jump_base()); | 152 ASSERT(base == Thread::Current()->long_jump_base()); |
| 165 } | 153 } |
| 166 | 154 |
| 167 } // namespace dart | 155 } // namespace dart |
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