/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "method_type.h"
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#include <string>
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#include <vector>
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#include "class-inl.h"
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#include "class_linker-inl.h"
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#include "class_loader.h"
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#include "class_root.h"
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#include "common_runtime_test.h"
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#include "handle_scope-inl.h"
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#include "object_array-alloc-inl.h"
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#include "object_array-inl.h"
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#include "scoped_thread_state_change-inl.h"
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namespace art {
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namespace mirror {
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class MethodTypeTest : public CommonRuntimeTest {};
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static std::string FullyQualifiedType(const std::string& shorthand) {
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return "Ljava/lang/" + shorthand + ";";
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}
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static ObjPtr<mirror::MethodType> CreateMethodType(const std::string& return_type,
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const std::vector<std::string>& param_types) {
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CHECK_LT(param_types.size(), 3u);
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Runtime* const runtime = Runtime::Current();
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ClassLinker* const class_linker = runtime->GetClassLinker();
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Thread* const self = Thread::Current();
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ScopedObjectAccess soa(self);
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StackHandleScope<5> hs(soa.Self());
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Handle<mirror::ClassLoader> boot_class_loader = hs.NewHandle<mirror::ClassLoader>(nullptr);
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Handle<mirror::Class> return_clazz = hs.NewHandle(class_linker->FindClass(
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soa.Self(), FullyQualifiedType(return_type).c_str(), boot_class_loader));
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CHECK(return_clazz != nullptr);
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ObjPtr<mirror::Class> class_array_type =
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GetClassRoot<mirror::ObjectArray<mirror::Class>>(class_linker);
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Handle<mirror::ObjectArray<mirror::Class>> param_classes = hs.NewHandle(
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mirror::ObjectArray<mirror::Class>::Alloc(self, class_array_type, param_types.size()));
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for (uint32_t i = 0; i < param_types.size(); ++i) {
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Handle<mirror::Class> param = hs.NewHandle(class_linker->FindClass(
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soa.Self(), FullyQualifiedType(param_types[i]).c_str(), boot_class_loader));
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param_classes->Set(i, param.Get());
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}
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return mirror::MethodType::Create(self, return_clazz, param_classes);
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}
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TEST_F(MethodTypeTest, IsExactMatch) {
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ScopedObjectAccess soa(Thread::Current());
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{
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StackHandleScope<2> hs(soa.Self());
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Handle<mirror::MethodType> mt1 = hs.NewHandle(CreateMethodType("String", { "Integer" }));
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Handle<mirror::MethodType> mt2 = hs.NewHandle(CreateMethodType("String", { "Integer" }));
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ASSERT_TRUE(mt1->IsExactMatch(mt2.Get()));
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}
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// Mismatched return type.
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{
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StackHandleScope<2> hs(soa.Self());
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Handle<mirror::MethodType> mt1 = hs.NewHandle(CreateMethodType("String", { "Integer" }));
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Handle<mirror::MethodType> mt2 = hs.NewHandle(CreateMethodType("Integer", { "Integer" }));
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ASSERT_FALSE(mt1->IsExactMatch(mt2.Get()));
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}
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// Mismatched param types.
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{
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StackHandleScope<2> hs(soa.Self());
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Handle<mirror::MethodType> mt1 = hs.NewHandle(CreateMethodType("String", { "Integer" }));
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Handle<mirror::MethodType> mt2 = hs.NewHandle(CreateMethodType("String", { "String" }));
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ASSERT_FALSE(mt1->IsExactMatch(mt2.Get()));
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}
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// Wrong number of param types.
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{
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StackHandleScope<2> hs(soa.Self());
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Handle<mirror::MethodType> mt1 = hs.NewHandle(
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CreateMethodType("String", { "String", "String" }));
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Handle<mirror::MethodType> mt2 = hs.NewHandle(CreateMethodType("String", { "String" }));
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ASSERT_FALSE(mt1->IsExactMatch(mt2.Get()));
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}
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}
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} // namespace mirror
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} // namespace art
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