1 /*
2  * Copyright (C) 2022 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 "reflection.h"
18 
19 #include "base/macros.h"
20 #include "class_linker.h"
21 #include "common_compiler_test.h"
22 #include "handle_scope-inl.h"
23 #include "jni/jni_internal.h"
24 #include "mirror/class.h"
25 #include "mirror/class_loader.h"
26 
27 namespace art HIDDEN {
28 
29 class CompilerReflectionTest : public CommonCompilerTest {};
30 
TEST_F(CompilerReflectionTest,StaticMainMethod)31 TEST_F(CompilerReflectionTest, StaticMainMethod) {
32   ScopedObjectAccess soa(Thread::Current());
33   jobject jclass_loader = LoadDex("Main");
34   StackHandleScope<1> hs(soa.Self());
35   Handle<mirror::ClassLoader> class_loader(
36       hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader)));
37 
38   ObjPtr<mirror::Class> klass = class_linker_->FindClass(soa.Self(), "LMain;", class_loader);
39   ASSERT_TRUE(klass != nullptr);
40 
41   ArtMethod* method = klass->FindClassMethod("main",
42                                              "([Ljava/lang/String;)V",
43                                              kRuntimePointerSize);
44   ASSERT_TRUE(method != nullptr);
45   ASSERT_TRUE(method->IsStatic());
46 
47   CompileMethod(method);
48 
49   // Start runtime.
50   bool started = runtime_->Start();
51   CHECK(started);
52   soa.Self()->TransitionFromSuspendedToRunnable();
53 
54   jvalue args[1];
55   args[0].l = nullptr;
56   InvokeWithJValues(soa, nullptr, jni::EncodeArtMethod(method), args);
57 }
58 
59 }  // namespace art
60