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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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 "platform/assert.h" | 5 #include "platform/assert.h" |
| 6 #include "vm/scavenger.h" | 6 #include "vm/scavenger.h" |
| 7 #include "vm/unit_test.h" | 7 #include "vm/unit_test.h" |
| 8 #include "vm/visitor.h" | 8 #include "vm/visitor.h" |
| 9 | 9 |
| 10 namespace dart { | 10 namespace dart { |
| 11 | 11 |
| 12 // Expects to visit no objects (since the space should be empty). | 12 // Expects to visit no objects (since the space should be empty). |
| 13 class FailingObjectVisitor : public ObjectVisitor { | 13 class FailingObjectVisitor : public ObjectVisitor { |
| 14 public: | 14 public: |
| 15 FailingObjectVisitor() { } | 15 FailingObjectVisitor() {} |
| 16 virtual void VisitObject(RawObject* obj) { | 16 virtual void VisitObject(RawObject* obj) { EXPECT(false); } |
| 17 EXPECT(false); | |
| 18 } | |
| 19 }; | 17 }; |
| 20 | 18 |
| 21 // Expects to visit no objects (since the space should be empty). | 19 // Expects to visit no objects (since the space should be empty). |
| 22 class FailingObjectPointerVisitor : public ObjectPointerVisitor { | 20 class FailingObjectPointerVisitor : public ObjectPointerVisitor { |
| 23 public: | 21 public: |
| 24 FailingObjectPointerVisitor() : ObjectPointerVisitor(NULL) {} | 22 FailingObjectPointerVisitor() : ObjectPointerVisitor(NULL) {} |
| 25 virtual void VisitPointers(RawObject** first, RawObject** last) { | 23 virtual void VisitPointers(RawObject** first, RawObject** last) { |
| 26 EXPECT(false); | 24 EXPECT(false); |
| 27 } | 25 } |
| 28 }; | 26 }; |
| 29 | 27 |
| 30 // Expects to visit no objects (since the space should be empty). | 28 // Expects to visit no objects (since the space should be empty). |
| 31 class FailingFindObjectVisitor : public FindObjectVisitor { | 29 class FailingFindObjectVisitor : public FindObjectVisitor { |
| 32 public: | 30 public: |
| 33 FailingFindObjectVisitor() { } | 31 FailingFindObjectVisitor() {} |
| 34 virtual bool FindObject(RawObject* obj) const { | 32 virtual bool FindObject(RawObject* obj) const { |
| 35 EXPECT(false); | 33 EXPECT(false); |
| 36 return false; | 34 return false; |
| 37 } | 35 } |
| 38 }; | 36 }; |
| 39 | 37 |
| 40 TEST_CASE(ZeroSizeScavenger) { | 38 TEST_CASE(ZeroSizeScavenger) { |
| 41 Scavenger* scavenger = new Scavenger(NULL, 0, kNewObjectAlignmentOffset); | 39 Scavenger* scavenger = new Scavenger(NULL, 0, kNewObjectAlignmentOffset); |
| 42 EXPECT(!scavenger->Contains(reinterpret_cast<uword>(&scavenger))); | 40 EXPECT(!scavenger->Contains(reinterpret_cast<uword>(&scavenger))); |
| 43 EXPECT_EQ(0, scavenger->UsedInWords()); | 41 EXPECT_EQ(0, scavenger->UsedInWords()); |
| 44 EXPECT_EQ(0, scavenger->CapacityInWords()); | 42 EXPECT_EQ(0, scavenger->CapacityInWords()); |
| 45 EXPECT_EQ(static_cast<uword>(0), scavenger->TryAllocate(kObjectAlignment)); | 43 EXPECT_EQ(static_cast<uword>(0), scavenger->TryAllocate(kObjectAlignment)); |
| 46 FailingObjectVisitor obj_visitor; | 44 FailingObjectVisitor obj_visitor; |
| 47 scavenger->VisitObjects(&obj_visitor); | 45 scavenger->VisitObjects(&obj_visitor); |
| 48 FailingObjectPointerVisitor ptr_visitor; | 46 FailingObjectPointerVisitor ptr_visitor; |
| 49 scavenger->VisitObjectPointers(&ptr_visitor); | 47 scavenger->VisitObjectPointers(&ptr_visitor); |
| 50 FailingFindObjectVisitor find_visitor; | 48 FailingFindObjectVisitor find_visitor; |
| 51 scavenger->FindObject(&find_visitor); | 49 scavenger->FindObject(&find_visitor); |
| 52 delete scavenger; | 50 delete scavenger; |
| 53 } | 51 } |
| 54 | 52 |
| 55 } // namespace dart | 53 } // namespace dart |
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