| /* |
| * Copyright (C) 2011 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 <memory> |
| |
| #include "common_runtime_test.h" |
| #include "dex_file-inl.h" |
| #include "scoped_thread_state_change.h" |
| #include "type_lookup_table.h" |
| #include "utf-inl.h" |
| |
| namespace art { |
| |
| class TypeLookupTableTest : public CommonRuntimeTest { |
| public: |
| size_t kDexNoIndex = DexFile::kDexNoIndex; // Make copy to prevent linking errors. |
| }; |
| |
| TEST_F(TypeLookupTableTest, CreateLookupTable) { |
| ScopedObjectAccess soa(Thread::Current()); |
| std::unique_ptr<const DexFile> dex_file(OpenTestDexFile("Lookup")); |
| std::unique_ptr<TypeLookupTable> table(TypeLookupTable::Create(*dex_file)); |
| ASSERT_NE(nullptr, table.get()); |
| ASSERT_NE(nullptr, table->RawData()); |
| ASSERT_EQ(32U, table->RawDataLength()); |
| } |
| |
| TEST_F(TypeLookupTableTest, FindNonExistingClassWithoutCollisions) { |
| ScopedObjectAccess soa(Thread::Current()); |
| std::unique_ptr<const DexFile> dex_file(OpenTestDexFile("Lookup")); |
| std::unique_ptr<TypeLookupTable> table(TypeLookupTable::Create(*dex_file)); |
| ASSERT_NE(nullptr, table.get()); |
| const char* descriptor = "LBA;"; |
| size_t hash = ComputeModifiedUtf8Hash(descriptor); |
| uint32_t class_def_idx = table->Lookup(descriptor, hash); |
| ASSERT_EQ(kDexNoIndex, class_def_idx); |
| } |
| |
| TEST_F(TypeLookupTableTest, FindNonExistingClassWithCollisions) { |
| ScopedObjectAccess soa(Thread::Current()); |
| std::unique_ptr<const DexFile> dex_file(OpenTestDexFile("Lookup")); |
| std::unique_ptr<TypeLookupTable> table(TypeLookupTable::Create(*dex_file)); |
| ASSERT_NE(nullptr, table.get()); |
| const char* descriptor = "LDA;"; |
| size_t hash = ComputeModifiedUtf8Hash(descriptor); |
| uint32_t class_def_idx = table->Lookup(descriptor, hash); |
| ASSERT_EQ(kDexNoIndex, class_def_idx); |
| } |
| |
| TEST_F(TypeLookupTableTest, FindClassNoCollisions) { |
| ScopedObjectAccess soa(Thread::Current()); |
| std::unique_ptr<const DexFile> dex_file(OpenTestDexFile("Lookup")); |
| std::unique_ptr<TypeLookupTable> table(TypeLookupTable::Create(*dex_file)); |
| ASSERT_NE(nullptr, table.get()); |
| const char* descriptor = "LC;"; |
| size_t hash = ComputeModifiedUtf8Hash(descriptor); |
| uint32_t class_def_idx = table->Lookup(descriptor, hash); |
| ASSERT_EQ(2U, class_def_idx); |
| } |
| |
| TEST_F(TypeLookupTableTest, FindClassWithCollisions) { |
| ScopedObjectAccess soa(Thread::Current()); |
| std::unique_ptr<const DexFile> dex_file(OpenTestDexFile("Lookup")); |
| std::unique_ptr<TypeLookupTable> table(TypeLookupTable::Create(*dex_file)); |
| ASSERT_NE(nullptr, table.get()); |
| const char* descriptor = "LAB;"; |
| size_t hash = ComputeModifiedUtf8Hash(descriptor); |
| uint32_t class_def_idx = table->Lookup(descriptor, hash); |
| ASSERT_EQ(1U, class_def_idx); |
| } |
| |
| } // namespace art |