382 lines
17 KiB
C++
382 lines
17 KiB
C++
/*
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* Copyright (C) 2018 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_handles.h"
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#include "class_linker-inl.h"
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#include "class_root-inl.h"
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#include "common_runtime_test.h"
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#include "handle_scope-inl.h"
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#include "jvalue-inl.h"
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#include "mirror/method_type.h"
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#include "mirror/object_array-alloc-inl.h"
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#include "mirror/object_array-inl.h"
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#include "reflection.h"
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#include "scoped_thread_state_change-inl.h"
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#include "thread-current-inl.h"
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namespace art {
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namespace {
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bool IsClassCastException(ObjPtr<mirror::Throwable> throwable)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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return throwable->GetClass()->DescriptorEquals("Ljava/lang/ClassCastException;");
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}
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bool IsNullPointerException(ObjPtr<mirror::Throwable> throwable)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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return throwable->GetClass()->DescriptorEquals("Ljava/lang/NullPointerException;");
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}
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bool IsWrongMethodTypeException(ObjPtr<mirror::Throwable> throwable)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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return throwable->GetClass()->DescriptorEquals("Ljava/lang/invoke/WrongMethodTypeException;");
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}
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static ObjPtr<mirror::MethodType> CreateVoidMethodType(Thread* self,
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Handle<mirror::Class> parameter_type)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(self);
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ObjPtr<mirror::Class> class_array_type = GetClassRoot<mirror::ObjectArray<mirror::Class>>(cl);
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auto parameter_types = hs.NewHandle(
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mirror::ObjectArray<mirror::Class>::Alloc(self, class_array_type, 1));
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parameter_types->Set(0, parameter_type.Get());
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Handle<mirror::Class> void_class = hs.NewHandle(GetClassRoot(ClassRoot::kPrimitiveVoid, cl));
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return mirror::MethodType::Create(self, void_class, parameter_types);
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}
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static bool TryConversion(Thread* self,
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Handle<mirror::Class> from,
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Handle<mirror::Class> to,
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JValue* value)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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StackHandleScope<2> hs(self);
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Handle<mirror::MethodType> from_mt = hs.NewHandle(CreateVoidMethodType(self, from));
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Handle<mirror::MethodType> to_mt = hs.NewHandle(CreateVoidMethodType(self, to));
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return ConvertJValueCommon(from_mt, to_mt, from.Get(), to.Get(), value);
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}
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} // namespace
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class MethodHandlesTest : public CommonRuntimeTest {};
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//
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// Primitive -> Primitive Conversions
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//
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TEST_F(MethodHandlesTest, SupportedPrimitiveWideningBI) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(soa.Self());
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Handle<mirror::Class> from = hs.NewHandle(cl->FindPrimitiveClass('B'));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindPrimitiveClass('I'));
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JValue value = JValue::FromPrimitive(static_cast<int8_t>(3));
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ASSERT_TRUE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_EQ(3, value.GetI());
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ASSERT_FALSE(soa.Self()->IsExceptionPending());
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}
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TEST_F(MethodHandlesTest, SupportedPrimitiveWideningCJ) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(soa.Self());
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Handle<mirror::Class> from = hs.NewHandle(cl->FindPrimitiveClass('C'));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindPrimitiveClass('J'));
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uint16_t raw_value = 0x8000;
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JValue value = JValue::FromPrimitive(raw_value);
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ASSERT_TRUE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_FALSE(soa.Self()->IsExceptionPending());
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ASSERT_EQ(static_cast<int64_t>(raw_value), value.GetJ());
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}
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TEST_F(MethodHandlesTest, SupportedPrimitiveWideningIF) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(soa.Self());
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Handle<mirror::Class> from = hs.NewHandle(cl->FindPrimitiveClass('I'));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindPrimitiveClass('F'));
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JValue value = JValue::FromPrimitive(-16);
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ASSERT_TRUE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_FALSE(soa.Self()->IsExceptionPending());
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ASSERT_FLOAT_EQ(-16.0f, value.GetF());
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}
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TEST_F(MethodHandlesTest, UnsupportedPrimitiveWideningBC) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(soa.Self());
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Handle<mirror::Class> from = hs.NewHandle(cl->FindPrimitiveClass('B'));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindPrimitiveClass('C'));
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JValue value;
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value.SetB(0);
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ASSERT_FALSE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_TRUE(soa.Self()->IsExceptionPending());
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ASSERT_TRUE(IsWrongMethodTypeException(soa.Self()->GetException()));
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soa.Self()->ClearException();
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}
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TEST_F(MethodHandlesTest, UnsupportedPrimitiveWideningSC) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(soa.Self());
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Handle<mirror::Class> from = hs.NewHandle(cl->FindPrimitiveClass('S'));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindPrimitiveClass('C'));
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JValue value;
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value.SetS(0x1234);
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ASSERT_FALSE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_TRUE(soa.Self()->IsExceptionPending());
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ASSERT_TRUE(IsWrongMethodTypeException(soa.Self()->GetException()));
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soa.Self()->ClearException();
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}
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TEST_F(MethodHandlesTest, UnsupportedPrimitiveWideningDJ) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(soa.Self());
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Handle<mirror::Class> from = hs.NewHandle(cl->FindPrimitiveClass('D'));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindPrimitiveClass('J'));
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JValue value;
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value.SetD(1e72);
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ASSERT_FALSE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_TRUE(soa.Self()->IsExceptionPending());
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ASSERT_TRUE(IsWrongMethodTypeException(soa.Self()->GetException()));
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soa.Self()->ClearException();
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}
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TEST_F(MethodHandlesTest, UnsupportedPrimitiveWideningZI) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(soa.Self());
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Handle<mirror::Class> from = hs.NewHandle(cl->FindPrimitiveClass('Z'));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindPrimitiveClass('I'));
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JValue value;
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value.SetZ(true);
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ASSERT_FALSE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_TRUE(soa.Self()->IsExceptionPending());
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ASSERT_TRUE(IsWrongMethodTypeException(soa.Self()->GetException()));
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soa.Self()->ClearException();
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}
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//
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// Reference -> Reference Conversions
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//
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TEST_F(MethodHandlesTest, SupportedReferenceCast) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<3> hs(soa.Self());
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static const int32_t kInitialValue = 101;
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JValue value = JValue::FromPrimitive(kInitialValue);
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Handle<mirror::Object> boxed_value = hs.NewHandle(BoxPrimitive(Primitive::kPrimInt, value));
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Handle<mirror::Class> from = hs.NewHandle(boxed_value->GetClass());
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Handle<mirror::Class> to = hs.NewHandle(cl->FindSystemClass(soa.Self(), "Ljava/lang/Number;"));
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value.SetL(boxed_value.Get());
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ASSERT_TRUE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_FALSE(soa.Self()->IsExceptionPending());
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JValue unboxed_value;
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ASSERT_TRUE(UnboxPrimitiveForResult(value.GetL(), cl->FindPrimitiveClass('I'), &unboxed_value));
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ASSERT_EQ(kInitialValue, unboxed_value.GetI());
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}
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TEST_F(MethodHandlesTest, UnsupportedReferenceCast) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<3> hs(soa.Self());
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JValue value = JValue::FromPrimitive(3.733e2);
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Handle<mirror::Object> boxed_value = hs.NewHandle(BoxPrimitive(Primitive::kPrimDouble, value));
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Handle<mirror::Class> from = hs.NewHandle(boxed_value->GetClass());
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Handle<mirror::Class> to = hs.NewHandle(cl->FindSystemClass(soa.Self(), "Ljava/lang/Integer;"));
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value.SetL(boxed_value.Get());
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ASSERT_FALSE(soa.Self()->IsExceptionPending());
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ASSERT_FALSE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_TRUE(soa.Self()->IsExceptionPending());
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ASSERT_TRUE(IsClassCastException(soa.Self()->GetException()));
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soa.Self()->ClearException();
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}
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//
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// Primitive -> Reference Conversions
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//
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TEST_F(MethodHandlesTest, SupportedPrimitiveConversionPrimitiveToBoxed) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(soa.Self());
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const int32_t kInitialValue = 1;
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JValue value = JValue::FromPrimitive(kInitialValue);
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Handle<mirror::Class> from = hs.NewHandle(cl->FindPrimitiveClass('I'));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindSystemClass(soa.Self(), "Ljava/lang/Integer;"));
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ASSERT_TRUE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_FALSE(soa.Self()->IsExceptionPending());
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JValue unboxed_to_value;
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ASSERT_TRUE(UnboxPrimitiveForResult(value.GetL(), from.Get(), &unboxed_to_value));
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ASSERT_EQ(kInitialValue, unboxed_to_value.GetI());
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}
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TEST_F(MethodHandlesTest, SupportedPrimitiveConversionPrimitiveToBoxedSuper) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(soa.Self());
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const int32_t kInitialValue = 1;
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JValue value = JValue::FromPrimitive(kInitialValue);
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Handle<mirror::Class> from = hs.NewHandle(cl->FindPrimitiveClass('I'));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindSystemClass(soa.Self(), "Ljava/lang/Number;"));
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ASSERT_TRUE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_FALSE(soa.Self()->IsExceptionPending());
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JValue unboxed_to_value;
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ASSERT_TRUE(UnboxPrimitiveForResult(value.GetL(), from.Get(), &unboxed_to_value));
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ASSERT_EQ(kInitialValue, unboxed_to_value.GetI());
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}
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TEST_F(MethodHandlesTest, UnsupportedPrimitiveConversionNotBoxable) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(soa.Self());
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const int32_t kInitialValue = 1;
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JValue value = JValue::FromPrimitive(kInitialValue);
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Handle<mirror::Class> from = hs.NewHandle(cl->FindPrimitiveClass('I'));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindSystemClass(soa.Self(), "Ljava/lang/Runtime;"));
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ASSERT_FALSE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_TRUE(soa.Self()->IsExceptionPending());
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ASSERT_TRUE(IsWrongMethodTypeException(soa.Self()->GetException()));
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soa.Self()->ClearException();
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}
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TEST_F(MethodHandlesTest, UnsupportedPrimitiveConversionPrimitiveToBoxedWider) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(soa.Self());
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const int32_t kInitialValue = 1;
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JValue value = JValue::FromPrimitive(kInitialValue);
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Handle<mirror::Class> from = hs.NewHandle(cl->FindPrimitiveClass('I'));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindSystemClass(soa.Self(), "Ljava/lang/Long;"));
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ASSERT_FALSE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_TRUE(soa.Self()->IsExceptionPending());
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ASSERT_TRUE(IsWrongMethodTypeException(soa.Self()->GetException()));
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soa.Self()->ClearException();
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}
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TEST_F(MethodHandlesTest, UnsupportedPrimitiveConversionPrimitiveToBoxedNarrower) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(soa.Self());
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const int32_t kInitialValue = 1;
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JValue value = JValue::FromPrimitive(kInitialValue);
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Handle<mirror::Class> from = hs.NewHandle(cl->FindPrimitiveClass('I'));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindSystemClass(soa.Self(), "Ljava/lang/Byte;"));
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ASSERT_FALSE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_TRUE(soa.Self()->IsExceptionPending());
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ASSERT_TRUE(IsWrongMethodTypeException(soa.Self()->GetException()));
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soa.Self()->ClearException();
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}
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//
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// Reference -> Primitive Conversions
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//
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TEST_F(MethodHandlesTest, SupportedBoxedToPrimitiveConversion) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<3> hs(soa.Self());
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const int32_t kInitialValue = 101;
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JValue value = JValue::FromPrimitive(kInitialValue);
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Handle<mirror::Object> boxed_value = hs.NewHandle(BoxPrimitive(Primitive::kPrimInt, value));
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Handle<mirror::Class> from = hs.NewHandle(cl->FindSystemClass(soa.Self(), "Ljava/lang/Integer;"));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindPrimitiveClass('I'));
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value.SetL(boxed_value.Get());
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ASSERT_TRUE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_FALSE(soa.Self()->IsExceptionPending());
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ASSERT_EQ(kInitialValue, value.GetI());
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}
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TEST_F(MethodHandlesTest, SupportedBoxedToWiderPrimitiveConversion) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<3> hs(soa.Self());
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static const int32_t kInitialValue = 101;
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JValue value = JValue::FromPrimitive(kInitialValue);
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Handle<mirror::Object> boxed_value = hs.NewHandle(BoxPrimitive(Primitive::kPrimInt, value));
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Handle<mirror::Class> from = hs.NewHandle(cl->FindSystemClass(soa.Self(), "Ljava/lang/Integer;"));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindPrimitiveClass('J'));
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value.SetL(boxed_value.Get());
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ASSERT_TRUE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_EQ(kInitialValue, value.GetJ());
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}
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TEST_F(MethodHandlesTest, UnsupportedNullBoxedToPrimitiveConversion) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<3> hs(soa.Self());
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JValue value = JValue::FromPrimitive(101);
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ScopedNullHandle<mirror::Object> boxed_value;
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Handle<mirror::Class> from = hs.NewHandle(cl->FindSystemClass(soa.Self(), "Ljava/lang/Integer;"));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindPrimitiveClass('I'));
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value.SetL(boxed_value.Get());
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ASSERT_FALSE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_TRUE(soa.Self()->IsExceptionPending());
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ASSERT_TRUE(IsNullPointerException(soa.Self()->GetException()));
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soa.Self()->ClearException();
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}
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TEST_F(MethodHandlesTest, UnsupportedNotBoxReferenceToPrimitiveConversion) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<2> hs(soa.Self());
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Handle<mirror::Class> from = hs.NewHandle(cl->FindSystemClass(soa.Self(), "Ljava/lang/Class;"));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindPrimitiveClass('I'));
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// Set value to be converted as some non-primitive type.
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JValue value;
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value.SetL(cl->FindPrimitiveClass('V'));
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ASSERT_FALSE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_TRUE(soa.Self()->IsExceptionPending());
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ASSERT_TRUE(IsWrongMethodTypeException(soa.Self()->GetException()));
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soa.Self()->ClearException();
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}
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TEST_F(MethodHandlesTest, UnsupportedBoxedToNarrowerPrimitiveConversionNoCast) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<3> hs(soa.Self());
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static const int32_t kInitialValue = 101;
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JValue value = JValue::FromPrimitive(kInitialValue);
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Handle<mirror::Object> boxed_value = hs.NewHandle(BoxPrimitive(Primitive::kPrimInt, value));
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Handle<mirror::Class> from = hs.NewHandle(cl->FindSystemClass(soa.Self(), "Ljava/lang/Integer;"));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindPrimitiveClass('S'));
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value.SetL(boxed_value.Get());
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ASSERT_FALSE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_TRUE(soa.Self()->IsExceptionPending());
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ASSERT_TRUE(IsWrongMethodTypeException(soa.Self()->GetException()));
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soa.Self()->ClearException();
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}
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TEST_F(MethodHandlesTest, UnsupportedBoxedToNarrowerPrimitiveConversionWithCast) {
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ScopedObjectAccess soa(Thread::Current());
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ClassLinker* cl = Runtime::Current()->GetClassLinker();
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StackHandleScope<3> hs(soa.Self());
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static const double kInitialValue = 1e77;
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JValue value = JValue::FromPrimitive(kInitialValue);
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Handle<mirror::Object> boxed_value = hs.NewHandle(BoxPrimitive(Primitive::kPrimDouble, value));
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Handle<mirror::Class> from = hs.NewHandle(cl->FindSystemClass(soa.Self(), "Ljava/lang/Number;"));
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Handle<mirror::Class> to = hs.NewHandle(cl->FindPrimitiveClass('F'));
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value.SetL(boxed_value.Get());
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ASSERT_FALSE(TryConversion(soa.Self(), from, to, &value));
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ASSERT_TRUE(soa.Self()->IsExceptionPending());
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ASSERT_TRUE(IsClassCastException(soa.Self()->GetException()));
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soa.Self()->ClearException();
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}
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} // namespace art
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