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Diffstat (limited to 'src/indirect_reference_table_test.cc')
| -rw-r--r-- | src/indirect_reference_table_test.cc | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/src/indirect_reference_table_test.cc b/src/indirect_reference_table_test.cc deleted file mode 100644 index bd2890c497..0000000000 --- a/src/indirect_reference_table_test.cc +++ /dev/null @@ -1,252 +0,0 @@ -/* - * Copyright (C) 2009 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "common_test.h" - -#include "indirect_reference_table.h" - -namespace art { - -class IndirectReferenceTableTest : public CommonTest { -}; - -static void CheckDump(IndirectReferenceTable* irt, size_t num_objects, size_t num_unique) - SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { - std::ostringstream oss; - irt->Dump(oss); - if (num_objects == 0) { - EXPECT_EQ(oss.str().find("java.lang.Object"), std::string::npos) << oss.str(); - } else if (num_objects == 1) { - EXPECT_NE(oss.str().find("1 of java.lang.Object"), std::string::npos) << oss.str(); - } else { - EXPECT_NE(oss.str().find(StringPrintf("%zd of java.lang.Object (%zd unique instances)", - num_objects, num_unique)), - std::string::npos) - << "\n Expected number of objects: " << num_objects - << "\n Expected unique objects: " << num_unique << "\n" - << oss.str(); - } -} - -TEST_F(IndirectReferenceTableTest, BasicTest) { - ScopedObjectAccess soa(Thread::Current()); - static const size_t kTableInitial = 10; - static const size_t kTableMax = 20; - IndirectReferenceTable irt(kTableInitial, kTableMax, kGlobal); - - mirror::Class* c = class_linker_->FindSystemClass("Ljava/lang/Object;"); - ASSERT_TRUE(c != NULL); - mirror::Object* obj0 = c->AllocObject(soa.Self()); - ASSERT_TRUE(obj0 != NULL); - mirror::Object* obj1 = c->AllocObject(soa.Self()); - ASSERT_TRUE(obj1 != NULL); - mirror::Object* obj2 = c->AllocObject(soa.Self()); - ASSERT_TRUE(obj2 != NULL); - mirror::Object* obj3 = c->AllocObject(soa.Self()); - ASSERT_TRUE(obj3 != NULL); - - const uint32_t cookie = IRT_FIRST_SEGMENT; - - CheckDump(&irt, 0, 0); - - IndirectRef iref0 = (IndirectRef) 0x11110; - EXPECT_FALSE(irt.Remove(cookie, iref0)) << "unexpectedly successful removal"; - - // Add three, check, remove in the order in which they were added. - iref0 = irt.Add(cookie, obj0); - EXPECT_TRUE(iref0 != NULL); - CheckDump(&irt, 1, 1); - IndirectRef iref1 = irt.Add(cookie, obj1); - EXPECT_TRUE(iref1 != NULL); - CheckDump(&irt, 2, 2); - IndirectRef iref2 = irt.Add(cookie, obj2); - EXPECT_TRUE(iref2 != NULL); - CheckDump(&irt, 3, 3); - - EXPECT_EQ(obj0, irt.Get(iref0)); - EXPECT_EQ(obj1, irt.Get(iref1)); - EXPECT_EQ(obj2, irt.Get(iref2)); - - EXPECT_TRUE(irt.Remove(cookie, iref0)); - CheckDump(&irt, 2, 2); - EXPECT_TRUE(irt.Remove(cookie, iref1)); - CheckDump(&irt, 1, 1); - EXPECT_TRUE(irt.Remove(cookie, iref2)); - CheckDump(&irt, 0, 0); - - // Table should be empty now. - EXPECT_EQ(0U, irt.Capacity()); - - // Get invalid entry (off the end of the list). - EXPECT_EQ(kInvalidIndirectRefObject, irt.Get(iref0)); - - // Add three, remove in the opposite order. - iref0 = irt.Add(cookie, obj0); - EXPECT_TRUE(iref0 != NULL); - iref1 = irt.Add(cookie, obj1); - EXPECT_TRUE(iref1 != NULL); - iref2 = irt.Add(cookie, obj2); - EXPECT_TRUE(iref2 != NULL); - CheckDump(&irt, 3, 3); - - ASSERT_TRUE(irt.Remove(cookie, iref2)); - CheckDump(&irt, 2, 2); - ASSERT_TRUE(irt.Remove(cookie, iref1)); - CheckDump(&irt, 1, 1); - ASSERT_TRUE(irt.Remove(cookie, iref0)); - CheckDump(&irt, 0, 0); - - // Table should be empty now. - ASSERT_EQ(0U, irt.Capacity()); - - // Add three, remove middle / middle / bottom / top. (Second attempt - // to remove middle should fail.) - iref0 = irt.Add(cookie, obj0); - EXPECT_TRUE(iref0 != NULL); - iref1 = irt.Add(cookie, obj1); - EXPECT_TRUE(iref1 != NULL); - iref2 = irt.Add(cookie, obj2); - EXPECT_TRUE(iref2 != NULL); - CheckDump(&irt, 3, 3); - - ASSERT_EQ(3U, irt.Capacity()); - - ASSERT_TRUE(irt.Remove(cookie, iref1)); - CheckDump(&irt, 2, 2); - ASSERT_FALSE(irt.Remove(cookie, iref1)); - CheckDump(&irt, 2, 2); - - // Get invalid entry (from hole). - EXPECT_EQ(kInvalidIndirectRefObject, irt.Get(iref1)); - - ASSERT_TRUE(irt.Remove(cookie, iref2)); - CheckDump(&irt, 1, 1); - ASSERT_TRUE(irt.Remove(cookie, iref0)); - CheckDump(&irt, 0, 0); - - // Table should be empty now. - ASSERT_EQ(0U, irt.Capacity()); - - // Add four entries. Remove #1, add new entry, verify that table size - // is still 4 (i.e. holes are getting filled). Remove #1 and #3, verify - // that we delete one and don't hole-compact the other. - iref0 = irt.Add(cookie, obj0); - EXPECT_TRUE(iref0 != NULL); - iref1 = irt.Add(cookie, obj1); - EXPECT_TRUE(iref1 != NULL); - iref2 = irt.Add(cookie, obj2); - EXPECT_TRUE(iref2 != NULL); - IndirectRef iref3 = irt.Add(cookie, obj3); - EXPECT_TRUE(iref3 != NULL); - CheckDump(&irt, 4, 4); - - ASSERT_TRUE(irt.Remove(cookie, iref1)); - CheckDump(&irt, 3, 3); - - iref1 = irt.Add(cookie, obj1); - EXPECT_TRUE(iref1 != NULL); - - ASSERT_EQ(4U, irt.Capacity()) << "hole not filled"; - CheckDump(&irt, 4, 4); - - ASSERT_TRUE(irt.Remove(cookie, iref1)); - CheckDump(&irt, 3, 3); - ASSERT_TRUE(irt.Remove(cookie, iref3)); - CheckDump(&irt, 2, 2); - - ASSERT_EQ(3U, irt.Capacity()) << "should be 3 after two deletions"; - - ASSERT_TRUE(irt.Remove(cookie, iref2)); - CheckDump(&irt, 1, 1); - ASSERT_TRUE(irt.Remove(cookie, iref0)); - CheckDump(&irt, 0, 0); - - ASSERT_EQ(0U, irt.Capacity()) << "not empty after split remove"; - - // Add an entry, remove it, add a new entry, and try to use the original - // iref. They have the same slot number but are for different objects. - // With the extended checks in place, this should fail. - iref0 = irt.Add(cookie, obj0); - EXPECT_TRUE(iref0 != NULL); - CheckDump(&irt, 1, 1); - ASSERT_TRUE(irt.Remove(cookie, iref0)); - CheckDump(&irt, 0, 0); - iref1 = irt.Add(cookie, obj1); - EXPECT_TRUE(iref1 != NULL); - CheckDump(&irt, 1, 1); - ASSERT_FALSE(irt.Remove(cookie, iref0)) << "mismatched del succeeded"; - CheckDump(&irt, 1, 1); - ASSERT_TRUE(irt.Remove(cookie, iref1)) << "switched del failed"; - ASSERT_EQ(0U, irt.Capacity()) << "switching del not empty"; - CheckDump(&irt, 0, 0); - - // Same as above, but with the same object. A more rigorous checker - // (e.g. with slot serialization) will catch this. - iref0 = irt.Add(cookie, obj0); - EXPECT_TRUE(iref0 != NULL); - CheckDump(&irt, 1, 1); - ASSERT_TRUE(irt.Remove(cookie, iref0)); - CheckDump(&irt, 0, 0); - iref1 = irt.Add(cookie, obj0); - EXPECT_TRUE(iref1 != NULL); - CheckDump(&irt, 1, 1); - if (iref0 != iref1) { - // Try 0, should not work. - ASSERT_FALSE(irt.Remove(cookie, iref0)) << "temporal del succeeded"; - } - ASSERT_TRUE(irt.Remove(cookie, iref1)) << "temporal cleanup failed"; - ASSERT_EQ(0U, irt.Capacity()) << "temporal del not empty"; - CheckDump(&irt, 0, 0); - - // NULL isn't a valid iref. - ASSERT_EQ(kInvalidIndirectRefObject, irt.Get(NULL)); - - // Stale lookup. - iref0 = irt.Add(cookie, obj0); - EXPECT_TRUE(iref0 != NULL); - CheckDump(&irt, 1, 1); - ASSERT_TRUE(irt.Remove(cookie, iref0)); - EXPECT_EQ(kInvalidIndirectRefObject, irt.Get(iref0)) << "stale lookup succeeded"; - CheckDump(&irt, 0, 0); - - // Test table resizing. - // These ones fit... - IndirectRef manyRefs[kTableInitial]; - for (size_t i = 0; i < kTableInitial; i++) { - manyRefs[i] = irt.Add(cookie, obj0); - ASSERT_TRUE(manyRefs[i] != NULL) << "Failed adding " << i; - CheckDump(&irt, i + 1, 1); - } - // ...this one causes overflow. - iref0 = irt.Add(cookie, obj0); - ASSERT_TRUE(iref0 != NULL); - ASSERT_EQ(kTableInitial + 1, irt.Capacity()); - CheckDump(&irt, kTableInitial + 1, 1); - - for (size_t i = 0; i < kTableInitial; i++) { - ASSERT_TRUE(irt.Remove(cookie, manyRefs[i])) << "failed removing " << i; - CheckDump(&irt, kTableInitial - i, 1); - } - // Because of removal order, should have 11 entries, 10 of them holes. - ASSERT_EQ(kTableInitial + 1, irt.Capacity()); - - ASSERT_TRUE(irt.Remove(cookie, iref0)) << "multi-remove final failed"; - - ASSERT_EQ(0U, irt.Capacity()) << "multi-del not empty"; - CheckDump(&irt, 0, 0); -} - -} // namespace art |