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/*
* Copyright (C) 2016 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 "method_type.h"
#include <string>
#include <vector>
#include "class-inl.h"
#include "class_linker-inl.h"
#include "class_loader.h"
#include "class_root-inl.h"
#include "common_runtime_test.h"
#include "handle_scope-inl.h"
#include "object_array-alloc-inl.h"
#include "object_array-inl.h"
#include "scoped_thread_state_change-inl.h"
namespace art {
namespace mirror {
class MethodTypeTest : public CommonRuntimeTest {};
static std::string FullyQualifiedType(const std::string& shorthand) {
return "Ljava/lang/" + shorthand + ";";
}
static ObjPtr<mirror::MethodType> CreateMethodType(const std::string& return_type,
const std::vector<std::string>& param_types) {
CHECK_LT(param_types.size(), 3u);
Runtime* const runtime = Runtime::Current();
ClassLinker* const class_linker = runtime->GetClassLinker();
Thread* const self = Thread::Current();
ScopedObjectAccess soa(self);
StackHandleScope<5> hs(soa.Self());
Handle<mirror::ClassLoader> boot_class_loader = hs.NewHandle<mirror::ClassLoader>(nullptr);
Handle<mirror::Class> return_clazz = hs.NewHandle(class_linker->FindClass(
soa.Self(), FullyQualifiedType(return_type).c_str(), boot_class_loader));
CHECK(return_clazz != nullptr);
ObjPtr<mirror::Class> class_array_type =
GetClassRoot<mirror::ObjectArray<mirror::Class>>(class_linker);
Handle<mirror::ObjectArray<mirror::Class>> param_classes = hs.NewHandle(
mirror::ObjectArray<mirror::Class>::Alloc(self, class_array_type, param_types.size()));
for (uint32_t i = 0; i < param_types.size(); ++i) {
Handle<mirror::Class> param = hs.NewHandle(class_linker->FindClass(
soa.Self(), FullyQualifiedType(param_types[i]).c_str(), boot_class_loader));
param_classes->Set(i, param.Get());
}
return mirror::MethodType::Create(self, return_clazz, param_classes);
}
TEST_F(MethodTypeTest, IsExactMatch) {
ScopedObjectAccess soa(Thread::Current());
{
StackHandleScope<2> hs(soa.Self());
Handle<mirror::MethodType> mt1 = hs.NewHandle(CreateMethodType("String", { "Integer" }));
Handle<mirror::MethodType> mt2 = hs.NewHandle(CreateMethodType("String", { "Integer" }));
ASSERT_TRUE(mt1->IsExactMatch(mt2.Get()));
}
// Mismatched return type.
{
StackHandleScope<2> hs(soa.Self());
Handle<mirror::MethodType> mt1 = hs.NewHandle(CreateMethodType("String", { "Integer" }));
Handle<mirror::MethodType> mt2 = hs.NewHandle(CreateMethodType("Integer", { "Integer" }));
ASSERT_FALSE(mt1->IsExactMatch(mt2.Get()));
}
// Mismatched param types.
{
StackHandleScope<2> hs(soa.Self());
Handle<mirror::MethodType> mt1 = hs.NewHandle(CreateMethodType("String", { "Integer" }));
Handle<mirror::MethodType> mt2 = hs.NewHandle(CreateMethodType("String", { "String" }));
ASSERT_FALSE(mt1->IsExactMatch(mt2.Get()));
}
// Wrong number of param types.
{
StackHandleScope<2> hs(soa.Self());
Handle<mirror::MethodType> mt1 = hs.NewHandle(
CreateMethodType("String", { "String", "String" }));
Handle<mirror::MethodType> mt2 = hs.NewHandle(CreateMethodType("String", { "String" }));
ASSERT_FALSE(mt1->IsExactMatch(mt2.Get()));
}
}
} // namespace mirror
} // namespace art
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