Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Mathieu Chartier | c56057e | 2014-05-04 13:18:58 -0700 | [diff] [blame] | 17 | #include "indirect_reference_table-inl.h" |
Brian Carlstrom | a1ce1fe | 2014-02-24 23:23:58 -0800 | [diff] [blame] | 18 | |
Vladimir Marko | 3481ba2 | 2015-04-13 12:22:36 +0100 | [diff] [blame] | 19 | #include "class_linker-inl.h" |
Brian Carlstrom | a1ce1fe | 2014-02-24 23:23:58 -0800 | [diff] [blame] | 20 | #include "common_runtime_test.h" |
Hiroshi Yamauchi | 967a0ad | 2013-09-10 16:24:21 -0700 | [diff] [blame] | 21 | #include "mirror/object-inl.h" |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 22 | #include "scoped_thread_state_change-inl.h" |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 23 | |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 24 | namespace art { |
| 25 | |
Brian Carlstrom | a1ce1fe | 2014-02-24 23:23:58 -0800 | [diff] [blame] | 26 | class IndirectReferenceTableTest : public CommonRuntimeTest {}; |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 27 | |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 28 | static void CheckDump(IndirectReferenceTable* irt, size_t num_objects, size_t num_unique) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 29 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 30 | std::ostringstream oss; |
| 31 | irt->Dump(oss); |
| 32 | if (num_objects == 0) { |
| 33 | EXPECT_EQ(oss.str().find("java.lang.Object"), std::string::npos) << oss.str(); |
| 34 | } else if (num_objects == 1) { |
| 35 | EXPECT_NE(oss.str().find("1 of java.lang.Object"), std::string::npos) << oss.str(); |
| 36 | } else { |
| 37 | EXPECT_NE(oss.str().find(StringPrintf("%zd of java.lang.Object (%zd unique instances)", |
| 38 | num_objects, num_unique)), |
| 39 | std::string::npos) |
| 40 | << "\n Expected number of objects: " << num_objects |
| 41 | << "\n Expected unique objects: " << num_unique << "\n" |
| 42 | << oss.str(); |
| 43 | } |
| 44 | } |
| 45 | |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 46 | TEST_F(IndirectReferenceTableTest, BasicTest) { |
Andreas Gampe | 369810a | 2015-01-14 19:53:31 -0800 | [diff] [blame] | 47 | // This will lead to error messages in the log. |
| 48 | ScopedLogSeverity sls(LogSeverity::FATAL); |
| 49 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 50 | ScopedObjectAccess soa(Thread::Current()); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 51 | static const size_t kTableMax = 20; |
Richard Uhler | da0a69e | 2016-10-11 15:06:38 +0100 | [diff] [blame] | 52 | std::string error_msg; |
Andreas Gampe | 9d7ef62 | 2016-10-24 19:35:19 -0700 | [diff] [blame] | 53 | IndirectReferenceTable irt(kTableMax, |
| 54 | kGlobal, |
| 55 | IndirectReferenceTable::ResizableCapacity::kNo, |
| 56 | &error_msg); |
Richard Uhler | da0a69e | 2016-10-11 15:06:38 +0100 | [diff] [blame] | 57 | ASSERT_TRUE(irt.IsValid()) << error_msg; |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 58 | |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 59 | mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/Object;"); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 60 | StackHandleScope<4> hs(soa.Self()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 61 | ASSERT_TRUE(c != nullptr); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 62 | Handle<mirror::Object> obj0 = hs.NewHandle(c->AllocObject(soa.Self())); |
| 63 | ASSERT_TRUE(obj0.Get() != nullptr); |
| 64 | Handle<mirror::Object> obj1 = hs.NewHandle(c->AllocObject(soa.Self())); |
| 65 | ASSERT_TRUE(obj1.Get() != nullptr); |
| 66 | Handle<mirror::Object> obj2 = hs.NewHandle(c->AllocObject(soa.Self())); |
| 67 | ASSERT_TRUE(obj2.Get() != nullptr); |
| 68 | Handle<mirror::Object> obj3 = hs.NewHandle(c->AllocObject(soa.Self())); |
| 69 | ASSERT_TRUE(obj3.Get() != nullptr); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 70 | |
Andreas Gampe | e03662b | 2016-10-13 17:12:56 -0700 | [diff] [blame] | 71 | const IRTSegmentState cookie = kIRTFirstSegment; |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 72 | |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 73 | CheckDump(&irt, 0, 0); |
| 74 | |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 75 | IndirectRef iref0 = (IndirectRef) 0x11110; |
| 76 | EXPECT_FALSE(irt.Remove(cookie, iref0)) << "unexpectedly successful removal"; |
| 77 | |
| 78 | // Add three, check, remove in the order in which they were added. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 79 | iref0 = irt.Add(cookie, obj0.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 80 | EXPECT_TRUE(iref0 != nullptr); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 81 | CheckDump(&irt, 1, 1); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 82 | IndirectRef iref1 = irt.Add(cookie, obj1.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 83 | EXPECT_TRUE(iref1 != nullptr); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 84 | CheckDump(&irt, 2, 2); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 85 | IndirectRef iref2 = irt.Add(cookie, obj2.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 86 | EXPECT_TRUE(iref2 != nullptr); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 87 | CheckDump(&irt, 3, 3); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 88 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 89 | EXPECT_OBJ_PTR_EQ(obj0.Get(), irt.Get(iref0)); |
| 90 | EXPECT_OBJ_PTR_EQ(obj1.Get(), irt.Get(iref1)); |
| 91 | EXPECT_OBJ_PTR_EQ(obj2.Get(), irt.Get(iref2)); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 92 | |
| 93 | EXPECT_TRUE(irt.Remove(cookie, iref0)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 94 | CheckDump(&irt, 2, 2); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 95 | EXPECT_TRUE(irt.Remove(cookie, iref1)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 96 | CheckDump(&irt, 1, 1); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 97 | EXPECT_TRUE(irt.Remove(cookie, iref2)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 98 | CheckDump(&irt, 0, 0); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 99 | |
| 100 | // Table should be empty now. |
| 101 | EXPECT_EQ(0U, irt.Capacity()); |
| 102 | |
| 103 | // Get invalid entry (off the end of the list). |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 104 | EXPECT_TRUE(irt.Get(iref0) == nullptr); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 105 | |
| 106 | // Add three, remove in the opposite order. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 107 | iref0 = irt.Add(cookie, obj0.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 108 | EXPECT_TRUE(iref0 != nullptr); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 109 | iref1 = irt.Add(cookie, obj1.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 110 | EXPECT_TRUE(iref1 != nullptr); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 111 | iref2 = irt.Add(cookie, obj2.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 112 | EXPECT_TRUE(iref2 != nullptr); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 113 | CheckDump(&irt, 3, 3); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 114 | |
| 115 | ASSERT_TRUE(irt.Remove(cookie, iref2)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 116 | CheckDump(&irt, 2, 2); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 117 | ASSERT_TRUE(irt.Remove(cookie, iref1)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 118 | CheckDump(&irt, 1, 1); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 119 | ASSERT_TRUE(irt.Remove(cookie, iref0)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 120 | CheckDump(&irt, 0, 0); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 121 | |
| 122 | // Table should be empty now. |
| 123 | ASSERT_EQ(0U, irt.Capacity()); |
| 124 | |
| 125 | // Add three, remove middle / middle / bottom / top. (Second attempt |
| 126 | // to remove middle should fail.) |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 127 | iref0 = irt.Add(cookie, obj0.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 128 | EXPECT_TRUE(iref0 != nullptr); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 129 | iref1 = irt.Add(cookie, obj1.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 130 | EXPECT_TRUE(iref1 != nullptr); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 131 | iref2 = irt.Add(cookie, obj2.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 132 | EXPECT_TRUE(iref2 != nullptr); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 133 | CheckDump(&irt, 3, 3); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 134 | |
| 135 | ASSERT_EQ(3U, irt.Capacity()); |
| 136 | |
| 137 | ASSERT_TRUE(irt.Remove(cookie, iref1)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 138 | CheckDump(&irt, 2, 2); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 139 | ASSERT_FALSE(irt.Remove(cookie, iref1)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 140 | CheckDump(&irt, 2, 2); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 141 | |
| 142 | // Get invalid entry (from hole). |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 143 | EXPECT_TRUE(irt.Get(iref1) == nullptr); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 144 | |
| 145 | ASSERT_TRUE(irt.Remove(cookie, iref2)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 146 | CheckDump(&irt, 1, 1); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 147 | ASSERT_TRUE(irt.Remove(cookie, iref0)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 148 | CheckDump(&irt, 0, 0); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 149 | |
| 150 | // Table should be empty now. |
| 151 | ASSERT_EQ(0U, irt.Capacity()); |
| 152 | |
| 153 | // Add four entries. Remove #1, add new entry, verify that table size |
| 154 | // is still 4 (i.e. holes are getting filled). Remove #1 and #3, verify |
| 155 | // that we delete one and don't hole-compact the other. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 156 | iref0 = irt.Add(cookie, obj0.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 157 | EXPECT_TRUE(iref0 != nullptr); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 158 | iref1 = irt.Add(cookie, obj1.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 159 | EXPECT_TRUE(iref1 != nullptr); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 160 | iref2 = irt.Add(cookie, obj2.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 161 | EXPECT_TRUE(iref2 != nullptr); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 162 | IndirectRef iref3 = irt.Add(cookie, obj3.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 163 | EXPECT_TRUE(iref3 != nullptr); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 164 | CheckDump(&irt, 4, 4); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 165 | |
| 166 | ASSERT_TRUE(irt.Remove(cookie, iref1)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 167 | CheckDump(&irt, 3, 3); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 168 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 169 | iref1 = irt.Add(cookie, obj1.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 170 | EXPECT_TRUE(iref1 != nullptr); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 171 | |
| 172 | ASSERT_EQ(4U, irt.Capacity()) << "hole not filled"; |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 173 | CheckDump(&irt, 4, 4); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 174 | |
| 175 | ASSERT_TRUE(irt.Remove(cookie, iref1)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 176 | CheckDump(&irt, 3, 3); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 177 | ASSERT_TRUE(irt.Remove(cookie, iref3)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 178 | CheckDump(&irt, 2, 2); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 179 | |
| 180 | ASSERT_EQ(3U, irt.Capacity()) << "should be 3 after two deletions"; |
| 181 | |
| 182 | ASSERT_TRUE(irt.Remove(cookie, iref2)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 183 | CheckDump(&irt, 1, 1); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 184 | ASSERT_TRUE(irt.Remove(cookie, iref0)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 185 | CheckDump(&irt, 0, 0); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 186 | |
| 187 | ASSERT_EQ(0U, irt.Capacity()) << "not empty after split remove"; |
| 188 | |
| 189 | // Add an entry, remove it, add a new entry, and try to use the original |
| 190 | // iref. They have the same slot number but are for different objects. |
| 191 | // With the extended checks in place, this should fail. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 192 | iref0 = irt.Add(cookie, obj0.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 193 | EXPECT_TRUE(iref0 != nullptr); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 194 | CheckDump(&irt, 1, 1); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 195 | ASSERT_TRUE(irt.Remove(cookie, iref0)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 196 | CheckDump(&irt, 0, 0); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 197 | iref1 = irt.Add(cookie, obj1.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 198 | EXPECT_TRUE(iref1 != nullptr); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 199 | CheckDump(&irt, 1, 1); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 200 | ASSERT_FALSE(irt.Remove(cookie, iref0)) << "mismatched del succeeded"; |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 201 | CheckDump(&irt, 1, 1); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 202 | ASSERT_TRUE(irt.Remove(cookie, iref1)) << "switched del failed"; |
| 203 | ASSERT_EQ(0U, irt.Capacity()) << "switching del not empty"; |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 204 | CheckDump(&irt, 0, 0); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 205 | |
| 206 | // Same as above, but with the same object. A more rigorous checker |
| 207 | // (e.g. with slot serialization) will catch this. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 208 | iref0 = irt.Add(cookie, obj0.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 209 | EXPECT_TRUE(iref0 != nullptr); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 210 | CheckDump(&irt, 1, 1); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 211 | ASSERT_TRUE(irt.Remove(cookie, iref0)); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 212 | CheckDump(&irt, 0, 0); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 213 | iref1 = irt.Add(cookie, obj0.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 214 | EXPECT_TRUE(iref1 != nullptr); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 215 | CheckDump(&irt, 1, 1); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 216 | if (iref0 != iref1) { |
| 217 | // Try 0, should not work. |
| 218 | ASSERT_FALSE(irt.Remove(cookie, iref0)) << "temporal del succeeded"; |
| 219 | } |
| 220 | ASSERT_TRUE(irt.Remove(cookie, iref1)) << "temporal cleanup failed"; |
| 221 | ASSERT_EQ(0U, irt.Capacity()) << "temporal del not empty"; |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 222 | CheckDump(&irt, 0, 0); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 223 | |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 224 | // null isn't a valid iref. |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 225 | ASSERT_TRUE(irt.Get(nullptr) == nullptr); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 226 | |
| 227 | // Stale lookup. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 228 | iref0 = irt.Add(cookie, obj0.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 229 | EXPECT_TRUE(iref0 != nullptr); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 230 | CheckDump(&irt, 1, 1); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 231 | ASSERT_TRUE(irt.Remove(cookie, iref0)); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 232 | EXPECT_TRUE(irt.Get(iref0) == nullptr) << "stale lookup succeeded"; |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 233 | CheckDump(&irt, 0, 0); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 234 | |
| 235 | // Test table resizing. |
| 236 | // These ones fit... |
Andreas Gampe | a8e3b86 | 2016-10-17 20:12:52 -0700 | [diff] [blame] | 237 | static const size_t kTableInitial = kTableMax / 2; |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 238 | IndirectRef manyRefs[kTableInitial]; |
| 239 | for (size_t i = 0; i < kTableInitial; i++) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 240 | manyRefs[i] = irt.Add(cookie, obj0.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 241 | ASSERT_TRUE(manyRefs[i] != nullptr) << "Failed adding " << i; |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 242 | CheckDump(&irt, i + 1, 1); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 243 | } |
| 244 | // ...this one causes overflow. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 245 | iref0 = irt.Add(cookie, obj0.Get()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 246 | ASSERT_TRUE(iref0 != nullptr); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 247 | ASSERT_EQ(kTableInitial + 1, irt.Capacity()); |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 248 | CheckDump(&irt, kTableInitial + 1, 1); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 249 | |
| 250 | for (size_t i = 0; i < kTableInitial; i++) { |
| 251 | ASSERT_TRUE(irt.Remove(cookie, manyRefs[i])) << "failed removing " << i; |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 252 | CheckDump(&irt, kTableInitial - i, 1); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 253 | } |
| 254 | // Because of removal order, should have 11 entries, 10 of them holes. |
| 255 | ASSERT_EQ(kTableInitial + 1, irt.Capacity()); |
| 256 | |
| 257 | ASSERT_TRUE(irt.Remove(cookie, iref0)) << "multi-remove final failed"; |
| 258 | |
| 259 | ASSERT_EQ(0U, irt.Capacity()) << "multi-del not empty"; |
Ian Rogers | 63818dc | 2012-09-26 12:23:04 -0700 | [diff] [blame] | 260 | CheckDump(&irt, 0, 0); |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 261 | } |
| 262 | |
Andreas Gampe | e03662b | 2016-10-13 17:12:56 -0700 | [diff] [blame] | 263 | TEST_F(IndirectReferenceTableTest, Holes) { |
| 264 | // Test the explicitly named cases from the IRT implementation: |
| 265 | // |
| 266 | // 1) Segment with holes (current_num_holes_ > 0), push new segment, add/remove reference |
| 267 | // 2) Segment with holes (current_num_holes_ > 0), pop segment, add/remove reference |
| 268 | // 3) Segment with holes (current_num_holes_ > 0), push new segment, pop segment, add/remove |
| 269 | // reference |
| 270 | // 4) Empty segment, push new segment, create a hole, pop a segment, add/remove a reference |
| 271 | // 5) Base segment, push new segment, create a hole, pop a segment, push new segment, add/remove |
| 272 | // reference |
| 273 | |
| 274 | ScopedObjectAccess soa(Thread::Current()); |
| 275 | static const size_t kTableMax = 10; |
| 276 | |
| 277 | mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/Object;"); |
| 278 | StackHandleScope<5> hs(soa.Self()); |
| 279 | ASSERT_TRUE(c != nullptr); |
| 280 | Handle<mirror::Object> obj0 = hs.NewHandle(c->AllocObject(soa.Self())); |
| 281 | ASSERT_TRUE(obj0.Get() != nullptr); |
| 282 | Handle<mirror::Object> obj1 = hs.NewHandle(c->AllocObject(soa.Self())); |
| 283 | ASSERT_TRUE(obj1.Get() != nullptr); |
| 284 | Handle<mirror::Object> obj2 = hs.NewHandle(c->AllocObject(soa.Self())); |
| 285 | ASSERT_TRUE(obj2.Get() != nullptr); |
| 286 | Handle<mirror::Object> obj3 = hs.NewHandle(c->AllocObject(soa.Self())); |
| 287 | ASSERT_TRUE(obj3.Get() != nullptr); |
| 288 | Handle<mirror::Object> obj4 = hs.NewHandle(c->AllocObject(soa.Self())); |
| 289 | ASSERT_TRUE(obj4.Get() != nullptr); |
| 290 | |
| 291 | std::string error_msg; |
| 292 | |
| 293 | // 1) Segment with holes (current_num_holes_ > 0), push new segment, add/remove reference. |
| 294 | { |
Andreas Gampe | 9d7ef62 | 2016-10-24 19:35:19 -0700 | [diff] [blame] | 295 | IndirectReferenceTable irt(kTableMax, |
| 296 | kGlobal, |
| 297 | IndirectReferenceTable::ResizableCapacity::kNo, |
| 298 | &error_msg); |
Andreas Gampe | e03662b | 2016-10-13 17:12:56 -0700 | [diff] [blame] | 299 | ASSERT_TRUE(irt.IsValid()) << error_msg; |
| 300 | |
| 301 | const IRTSegmentState cookie0 = kIRTFirstSegment; |
| 302 | |
| 303 | CheckDump(&irt, 0, 0); |
| 304 | |
| 305 | IndirectRef iref0 = irt.Add(cookie0, obj0.Get()); |
| 306 | IndirectRef iref1 = irt.Add(cookie0, obj1.Get()); |
| 307 | IndirectRef iref2 = irt.Add(cookie0, obj2.Get()); |
| 308 | |
| 309 | EXPECT_TRUE(irt.Remove(cookie0, iref1)); |
| 310 | |
| 311 | // New segment. |
| 312 | const IRTSegmentState cookie1 = irt.GetSegmentState(); |
| 313 | |
| 314 | IndirectRef iref3 = irt.Add(cookie1, obj3.Get()); |
| 315 | |
| 316 | // Must not have filled the previous hole. |
| 317 | EXPECT_EQ(irt.Capacity(), 4u); |
| 318 | EXPECT_TRUE(irt.Get(iref1) == nullptr); |
| 319 | CheckDump(&irt, 3, 3); |
| 320 | |
| 321 | UNUSED(iref0, iref1, iref2, iref3); |
| 322 | } |
| 323 | |
| 324 | // 2) Segment with holes (current_num_holes_ > 0), pop segment, add/remove reference |
| 325 | { |
Andreas Gampe | 9d7ef62 | 2016-10-24 19:35:19 -0700 | [diff] [blame] | 326 | IndirectReferenceTable irt(kTableMax, |
| 327 | kGlobal, |
| 328 | IndirectReferenceTable::ResizableCapacity::kNo, |
| 329 | &error_msg); |
Andreas Gampe | e03662b | 2016-10-13 17:12:56 -0700 | [diff] [blame] | 330 | ASSERT_TRUE(irt.IsValid()) << error_msg; |
| 331 | |
| 332 | const IRTSegmentState cookie0 = kIRTFirstSegment; |
| 333 | |
| 334 | CheckDump(&irt, 0, 0); |
| 335 | |
| 336 | IndirectRef iref0 = irt.Add(cookie0, obj0.Get()); |
| 337 | |
| 338 | // New segment. |
| 339 | const IRTSegmentState cookie1 = irt.GetSegmentState(); |
| 340 | |
| 341 | IndirectRef iref1 = irt.Add(cookie1, obj1.Get()); |
| 342 | IndirectRef iref2 = irt.Add(cookie1, obj2.Get()); |
| 343 | IndirectRef iref3 = irt.Add(cookie1, obj3.Get()); |
| 344 | |
| 345 | EXPECT_TRUE(irt.Remove(cookie1, iref2)); |
| 346 | |
| 347 | // Pop segment. |
| 348 | irt.SetSegmentState(cookie1); |
| 349 | |
| 350 | IndirectRef iref4 = irt.Add(cookie1, obj4.Get()); |
| 351 | |
| 352 | EXPECT_EQ(irt.Capacity(), 2u); |
| 353 | EXPECT_TRUE(irt.Get(iref2) == nullptr); |
| 354 | CheckDump(&irt, 2, 2); |
| 355 | |
| 356 | UNUSED(iref0, iref1, iref2, iref3, iref4); |
| 357 | } |
| 358 | |
| 359 | // 3) Segment with holes (current_num_holes_ > 0), push new segment, pop segment, add/remove |
| 360 | // reference. |
| 361 | { |
Andreas Gampe | 9d7ef62 | 2016-10-24 19:35:19 -0700 | [diff] [blame] | 362 | IndirectReferenceTable irt(kTableMax, |
| 363 | kGlobal, |
| 364 | IndirectReferenceTable::ResizableCapacity::kNo, |
| 365 | &error_msg); |
Andreas Gampe | e03662b | 2016-10-13 17:12:56 -0700 | [diff] [blame] | 366 | ASSERT_TRUE(irt.IsValid()) << error_msg; |
| 367 | |
| 368 | const IRTSegmentState cookie0 = kIRTFirstSegment; |
| 369 | |
| 370 | CheckDump(&irt, 0, 0); |
| 371 | |
| 372 | IndirectRef iref0 = irt.Add(cookie0, obj0.Get()); |
| 373 | |
| 374 | // New segment. |
| 375 | const IRTSegmentState cookie1 = irt.GetSegmentState(); |
| 376 | |
| 377 | IndirectRef iref1 = irt.Add(cookie1, obj1.Get()); |
| 378 | IndirectRef iref2 = irt.Add(cookie1, obj2.Get()); |
| 379 | |
| 380 | EXPECT_TRUE(irt.Remove(cookie1, iref1)); |
| 381 | |
| 382 | // New segment. |
| 383 | const IRTSegmentState cookie2 = irt.GetSegmentState(); |
| 384 | |
| 385 | IndirectRef iref3 = irt.Add(cookie2, obj3.Get()); |
| 386 | |
| 387 | // Pop segment. |
| 388 | irt.SetSegmentState(cookie2); |
| 389 | |
| 390 | IndirectRef iref4 = irt.Add(cookie1, obj4.Get()); |
| 391 | |
| 392 | EXPECT_EQ(irt.Capacity(), 3u); |
| 393 | EXPECT_TRUE(irt.Get(iref1) == nullptr); |
| 394 | CheckDump(&irt, 3, 3); |
| 395 | |
| 396 | UNUSED(iref0, iref1, iref2, iref3, iref4); |
| 397 | } |
| 398 | |
| 399 | // 4) Empty segment, push new segment, create a hole, pop a segment, add/remove a reference. |
| 400 | { |
Andreas Gampe | 9d7ef62 | 2016-10-24 19:35:19 -0700 | [diff] [blame] | 401 | IndirectReferenceTable irt(kTableMax, |
| 402 | kGlobal, |
| 403 | IndirectReferenceTable::ResizableCapacity::kNo, |
| 404 | &error_msg); |
Andreas Gampe | e03662b | 2016-10-13 17:12:56 -0700 | [diff] [blame] | 405 | ASSERT_TRUE(irt.IsValid()) << error_msg; |
| 406 | |
| 407 | const IRTSegmentState cookie0 = kIRTFirstSegment; |
| 408 | |
| 409 | CheckDump(&irt, 0, 0); |
| 410 | |
| 411 | IndirectRef iref0 = irt.Add(cookie0, obj0.Get()); |
| 412 | |
| 413 | // New segment. |
| 414 | const IRTSegmentState cookie1 = irt.GetSegmentState(); |
| 415 | |
| 416 | IndirectRef iref1 = irt.Add(cookie1, obj1.Get()); |
| 417 | EXPECT_TRUE(irt.Remove(cookie1, iref1)); |
| 418 | |
| 419 | // Emptied segment, push new one. |
| 420 | const IRTSegmentState cookie2 = irt.GetSegmentState(); |
| 421 | |
| 422 | IndirectRef iref2 = irt.Add(cookie1, obj1.Get()); |
| 423 | IndirectRef iref3 = irt.Add(cookie1, obj2.Get()); |
| 424 | IndirectRef iref4 = irt.Add(cookie1, obj3.Get()); |
| 425 | |
| 426 | EXPECT_TRUE(irt.Remove(cookie1, iref3)); |
| 427 | |
| 428 | // Pop segment. |
| 429 | UNUSED(cookie2); |
| 430 | irt.SetSegmentState(cookie1); |
| 431 | |
| 432 | IndirectRef iref5 = irt.Add(cookie1, obj4.Get()); |
| 433 | |
| 434 | EXPECT_EQ(irt.Capacity(), 2u); |
| 435 | EXPECT_TRUE(irt.Get(iref3) == nullptr); |
| 436 | CheckDump(&irt, 2, 2); |
| 437 | |
| 438 | UNUSED(iref0, iref1, iref2, iref3, iref4, iref5); |
| 439 | } |
| 440 | |
| 441 | // 5) Base segment, push new segment, create a hole, pop a segment, push new segment, add/remove |
| 442 | // reference |
| 443 | { |
Andreas Gampe | 9d7ef62 | 2016-10-24 19:35:19 -0700 | [diff] [blame] | 444 | IndirectReferenceTable irt(kTableMax, |
| 445 | kGlobal, |
| 446 | IndirectReferenceTable::ResizableCapacity::kNo, |
| 447 | &error_msg); |
Andreas Gampe | e03662b | 2016-10-13 17:12:56 -0700 | [diff] [blame] | 448 | ASSERT_TRUE(irt.IsValid()) << error_msg; |
| 449 | |
| 450 | const IRTSegmentState cookie0 = kIRTFirstSegment; |
| 451 | |
| 452 | CheckDump(&irt, 0, 0); |
| 453 | |
| 454 | IndirectRef iref0 = irt.Add(cookie0, obj0.Get()); |
| 455 | |
| 456 | // New segment. |
| 457 | const IRTSegmentState cookie1 = irt.GetSegmentState(); |
| 458 | |
| 459 | IndirectRef iref1 = irt.Add(cookie1, obj1.Get()); |
| 460 | IndirectRef iref2 = irt.Add(cookie1, obj1.Get()); |
| 461 | IndirectRef iref3 = irt.Add(cookie1, obj2.Get()); |
| 462 | |
| 463 | EXPECT_TRUE(irt.Remove(cookie1, iref2)); |
| 464 | |
| 465 | // Pop segment. |
| 466 | irt.SetSegmentState(cookie1); |
| 467 | |
| 468 | // Push segment. |
| 469 | const IRTSegmentState cookie1_second = irt.GetSegmentState(); |
| 470 | UNUSED(cookie1_second); |
| 471 | |
| 472 | IndirectRef iref4 = irt.Add(cookie1, obj3.Get()); |
| 473 | |
| 474 | EXPECT_EQ(irt.Capacity(), 2u); |
| 475 | EXPECT_TRUE(irt.Get(iref3) == nullptr); |
| 476 | CheckDump(&irt, 2, 2); |
| 477 | |
| 478 | UNUSED(iref0, iref1, iref2, iref3, iref4); |
| 479 | } |
| 480 | } |
| 481 | |
Andreas Gampe | 9d7ef62 | 2016-10-24 19:35:19 -0700 | [diff] [blame] | 482 | TEST_F(IndirectReferenceTableTest, Resize) { |
| 483 | ScopedObjectAccess soa(Thread::Current()); |
| 484 | static const size_t kTableMax = 512; |
| 485 | |
| 486 | mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/Object;"); |
| 487 | StackHandleScope<1> hs(soa.Self()); |
| 488 | ASSERT_TRUE(c != nullptr); |
| 489 | Handle<mirror::Object> obj0 = hs.NewHandle(c->AllocObject(soa.Self())); |
| 490 | ASSERT_TRUE(obj0.Get() != nullptr); |
| 491 | |
| 492 | std::string error_msg; |
| 493 | IndirectReferenceTable irt(kTableMax, |
| 494 | kLocal, |
| 495 | IndirectReferenceTable::ResizableCapacity::kYes, |
| 496 | &error_msg); |
| 497 | ASSERT_TRUE(irt.IsValid()) << error_msg; |
| 498 | |
| 499 | CheckDump(&irt, 0, 0); |
| 500 | const IRTSegmentState cookie = kIRTFirstSegment; |
| 501 | |
| 502 | for (size_t i = 0; i != kTableMax + 1; ++i) { |
| 503 | irt.Add(cookie, obj0.Get()); |
| 504 | } |
| 505 | |
| 506 | EXPECT_EQ(irt.Capacity(), kTableMax + 1); |
| 507 | } |
| 508 | |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 509 | } // namespace art |