1 /* 2 * Copyright (C) 2011 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 17 #include "type_lookup_table.h" 18 19 #include <memory> 20 21 #include "common_runtime_test.h" 22 #include "dex/dex_file-inl.h" 23 #include "dex/utf-inl.h" 24 #include "scoped_thread_state_change-inl.h" 25 26 namespace art { 27 28 using DescriptorClassDefIdxPair = std::pair<const char*, uint32_t>; 29 class TypeLookupTableTest : public CommonRuntimeTestWithParam<DescriptorClassDefIdxPair> {}; 30 31 TEST_F(TypeLookupTableTest, CreateLookupTable) { 32 ScopedObjectAccess soa(Thread::Current()); 33 std::unique_ptr<const DexFile> dex_file(OpenTestDexFile("Lookup")); 34 std::unique_ptr<TypeLookupTable> table(TypeLookupTable::Create(*dex_file)); 35 ASSERT_NE(nullptr, table.get()); 36 ASSERT_NE(nullptr, table->RawData()); 37 ASSERT_EQ(32U, table->RawDataLength()); 38 } 39 40 TEST_P(TypeLookupTableTest, Find) { 41 ScopedObjectAccess soa(Thread::Current()); 42 std::unique_ptr<const DexFile> dex_file(OpenTestDexFile("Lookup")); 43 std::unique_ptr<TypeLookupTable> table(TypeLookupTable::Create(*dex_file)); 44 ASSERT_NE(nullptr, table.get()); 45 auto pair = GetParam(); 46 const char* descriptor = pair.first; 47 size_t hash = ComputeModifiedUtf8Hash(descriptor); 48 uint32_t class_def_idx = table->Lookup(descriptor, hash); 49 ASSERT_EQ(pair.second, class_def_idx); 50 } 51 52 INSTANTIATE_TEST_CASE_P(FindNonExistingClassWithoutCollisions, 53 TypeLookupTableTest, 54 testing::Values(DescriptorClassDefIdxPair("LAB;", 1U))); 55 INSTANTIATE_TEST_CASE_P(FindNonExistingClassWithCollisions, 56 TypeLookupTableTest, 57 testing::Values(DescriptorClassDefIdxPair("LDA;", dex::kDexNoIndex))); 58 INSTANTIATE_TEST_CASE_P(FindClassNoCollisions, 59 TypeLookupTableTest, 60 testing::Values(DescriptorClassDefIdxPair("LC;", 2U))); 61 INSTANTIATE_TEST_CASE_P(FindClassWithCollisions, 62 TypeLookupTableTest, 63 testing::Values(DescriptorClassDefIdxPair("LAB;", 1U))); 64 } // namespace art 65
