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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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