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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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/assert.h" | 5 #include "vm/assert.h" |
| 6 #include "vm/dart.h" | 6 #include "vm/dart.h" |
| 7 #include "vm/isolate.h" | 7 #include "vm/isolate.h" |
| 8 #include "vm/unit_test.h" | 8 #include "vm/unit_test.h" |
| 9 #include "vm/zone.h" | 9 #include "vm/zone.h" |
| 10 | 10 |
| 11 namespace dart { | 11 namespace dart { |
| 12 | 12 |
| 13 DECLARE_DEBUG_FLAG(bool, trace_zone_sizes); | 13 DECLARE_DEBUG_FLAG(bool, trace_zone_sizes); |
| 14 | 14 |
| 15 UNIT_TEST_CASE(AllocateZone) { | 15 UNIT_TEST_CASE(AllocateZone) { |
| 16 #if defined(DEBUG) | 16 #if defined(DEBUG) |
| 17 FLAG_trace_zone_sizes = true; | 17 FLAG_trace_zone_sizes = true; |
| 18 #endif | 18 #endif |
| 19 Isolate* isolate = Isolate::Init(); | 19 Isolate* isolate = Isolate::Init(); |
| 20 EXPECT(Isolate::Current() == isolate); | 20 EXPECT(Isolate::Current() == isolate); |
| 21 EXPECT(isolate->current_zone() == NULL); | 21 EXPECT(isolate->current_zone() == NULL); |
| 22 { | 22 { |
| 23 Zone zone; | 23 Zone zone(isolate); |
| 24 EXPECT(isolate->current_zone() != NULL); | 24 EXPECT(isolate->current_zone() != NULL); |
| 25 intptr_t allocated_size = 0; | 25 intptr_t allocated_size = 0; |
| 26 | 26 |
| 27 // The loop is to make sure we overflow one segment and go on | 27 // The loop is to make sure we overflow one segment and go on |
| 28 // to the next segment. | 28 // to the next segment. |
| 29 for (int i = 0; i < 1000; i++) { | 29 for (int i = 0; i < 1000; i++) { |
| 30 uword first = zone.Allocate(2 * kWordSize); | 30 uword first = zone.Allocate(2 * kWordSize); |
| 31 uword second = zone.Allocate(3 * kWordSize); | 31 uword second = zone.Allocate(3 * kWordSize); |
| 32 EXPECT(first != second); | 32 EXPECT(first != second); |
| 33 allocated_size = ((2 + 3) * kWordSize); | 33 allocated_size = ((2 + 3) * kWordSize); |
| (...skipping 53 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 87 SimpleZoneObject() : slot(marker++) { } | 87 SimpleZoneObject() : slot(marker++) { } |
| 88 virtual int GetSlot() { return slot; } | 88 virtual int GetSlot() { return slot; } |
| 89 int slot; | 89 int slot; |
| 90 }; | 90 }; |
| 91 | 91 |
| 92 // Reset the marker. | 92 // Reset the marker. |
| 93 marker = 0; | 93 marker = 0; |
| 94 | 94 |
| 95 // Create a few zone allocated objects. | 95 // Create a few zone allocated objects. |
| 96 { | 96 { |
| 97 Zone zone; | 97 Zone zone(isolate); |
| 98 EXPECT_EQ(0, zone.SizeInBytes()); | 98 EXPECT_EQ(0, zone.SizeInBytes()); |
| 99 SimpleZoneObject* first = new SimpleZoneObject(); | 99 SimpleZoneObject* first = new SimpleZoneObject(); |
| 100 EXPECT(first != NULL); | 100 EXPECT(first != NULL); |
| 101 SimpleZoneObject* second = new SimpleZoneObject(); | 101 SimpleZoneObject* second = new SimpleZoneObject(); |
| 102 EXPECT(second != NULL); | 102 EXPECT(second != NULL); |
| 103 EXPECT(first != second); | 103 EXPECT(first != second); |
| 104 intptr_t expected_size = (2 * sizeof(SimpleZoneObject)); | 104 intptr_t expected_size = (2 * sizeof(SimpleZoneObject)); |
| 105 EXPECT_LE(expected_size, zone.SizeInBytes()); | 105 EXPECT_LE(expected_size, zone.SizeInBytes()); |
| 106 | 106 |
| 107 // Make sure the constructors were invoked. | 107 // Make sure the constructors were invoked. |
| 108 EXPECT_EQ(0, first->slot); | 108 EXPECT_EQ(0, first->slot); |
| 109 EXPECT_EQ(1, second->slot); | 109 EXPECT_EQ(1, second->slot); |
| 110 | 110 |
| 111 // Make sure we can write to the members of the zone objects. | 111 // Make sure we can write to the members of the zone objects. |
| 112 first->slot = 42; | 112 first->slot = 42; |
| 113 second->slot = 87; | 113 second->slot = 87; |
| 114 EXPECT_EQ(42, first->slot); | 114 EXPECT_EQ(42, first->slot); |
| 115 EXPECT_EQ(87, second->slot); | 115 EXPECT_EQ(87, second->slot); |
| 116 } | 116 } |
| 117 EXPECT(isolate->current_zone() == NULL); | 117 EXPECT(isolate->current_zone() == NULL); |
| 118 isolate->Shutdown(); | 118 isolate->Shutdown(); |
| 119 delete isolate; | 119 delete isolate; |
| 120 } | 120 } |
| 121 | 121 |
| 122 } // namespace dart | 122 } // namespace dart |
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