1 /* 2 * Copyright (C) 2016 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 "method_type.h" 18 19 #include <string> 20 #include <vector> 21 22 #include "class-inl.h" 23 #include "class_linker-inl.h" 24 #include "class_loader.h" 25 #include "class_root.h" 26 #include "common_runtime_test.h" 27 #include "handle_scope-inl.h" 28 #include "object_array-alloc-inl.h" 29 #include "object_array-inl.h" 30 #include "scoped_thread_state_change-inl.h" 31 32 namespace art { 33 namespace mirror { 34 35 class MethodTypeTest : public CommonRuntimeTest {}; 36 37 static std::string FullyQualifiedType(const std::string& shorthand) { 38 return "Ljava/lang/" + shorthand + ";"; 39 } 40 41 static ObjPtr<mirror::MethodType> CreateMethodType(const std::string& return_type, 42 const std::vector<std::string>& param_types) { 43 CHECK_LT(param_types.size(), 3u); 44 45 Runtime* const runtime = Runtime::Current(); 46 ClassLinker* const class_linker = runtime->GetClassLinker(); 47 Thread* const self = Thread::Current(); 48 49 ScopedObjectAccess soa(self); 50 StackHandleScope<5> hs(soa.Self()); 51 52 Handle<mirror::ClassLoader> boot_class_loader = hs.NewHandle<mirror::ClassLoader>(nullptr); 53 54 Handle<mirror::Class> return_clazz = hs.NewHandle(class_linker->FindClass( 55 soa.Self(), FullyQualifiedType(return_type).c_str(), boot_class_loader)); 56 CHECK(return_clazz != nullptr); 57 58 ObjPtr<mirror::Class> class_array_type = 59 GetClassRoot<mirror::ObjectArray<mirror::Class>>(class_linker); 60 Handle<mirror::ObjectArray<mirror::Class>> param_classes = hs.NewHandle( 61 mirror::ObjectArray<mirror::Class>::Alloc(self, class_array_type, param_types.size())); 62 63 for (uint32_t i = 0; i < param_types.size(); ++i) { 64 Handle<mirror::Class> param = hs.NewHandle(class_linker->FindClass( 65 soa.Self(), FullyQualifiedType(param_types[i]).c_str(), boot_class_loader)); 66 param_classes->Set(i, param.Get()); 67 } 68 69 return mirror::MethodType::Create(self, return_clazz, param_classes); 70 } 71 72 73 TEST_F(MethodTypeTest, IsExactMatch) { 74 ScopedObjectAccess soa(Thread::Current()); 75 { 76 StackHandleScope<2> hs(soa.Self()); 77 Handle<mirror::MethodType> mt1 = hs.NewHandle(CreateMethodType("String", { "Integer" })); 78 Handle<mirror::MethodType> mt2 = hs.NewHandle(CreateMethodType("String", { "Integer" })); 79 ASSERT_TRUE(mt1->IsExactMatch(mt2.Get())); 80 } 81 82 // Mismatched return type. 83 { 84 StackHandleScope<2> hs(soa.Self()); 85 Handle<mirror::MethodType> mt1 = hs.NewHandle(CreateMethodType("String", { "Integer" })); 86 Handle<mirror::MethodType> mt2 = hs.NewHandle(CreateMethodType("Integer", { "Integer" })); 87 ASSERT_FALSE(mt1->IsExactMatch(mt2.Get())); 88 } 89 90 // Mismatched param types. 91 { 92 StackHandleScope<2> hs(soa.Self()); 93 Handle<mirror::MethodType> mt1 = hs.NewHandle(CreateMethodType("String", { "Integer" })); 94 Handle<mirror::MethodType> mt2 = hs.NewHandle(CreateMethodType("String", { "String" })); 95 ASSERT_FALSE(mt1->IsExactMatch(mt2.Get())); 96 } 97 98 // Wrong number of param types. 99 { 100 StackHandleScope<2> hs(soa.Self()); 101 Handle<mirror::MethodType> mt1 = hs.NewHandle( 102 CreateMethodType("String", { "String", "String" })); 103 Handle<mirror::MethodType> mt2 = hs.NewHandle(CreateMethodType("String", { "String" })); 104 ASSERT_FALSE(mt1->IsExactMatch(mt2.Get())); 105 } 106 } 107 108 } // namespace mirror 109 } // namespace art 110
