1/*
2 * Copyright (C) 2015 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
17import other.InaccessibleClass;
18import other.InaccessibleClassProxy;
19
20public class Main {
21    public static void main(String[] args) {
22        try {
23            testInstanceOf();
24        } catch (IllegalAccessError e) {
25            System.out.println("Got expected error instanceof");
26        }
27
28         try {
29            testInstanceOfNull();
30        } catch (IllegalAccessError e) {
31            System.out.println("Got expected error instanceof null");
32        }
33
34        try {
35            testCheckCastNull();
36        } catch (IllegalAccessError e) {
37            System.out.println("Got expected error checkcast null");
38        }
39
40        try {
41            testDontGvnLoadClassWithAccessChecks(new Object());
42        } catch (IllegalAccessError e) {
43            System.out.println("Got expected error instanceof (keep LoadClass with access check)");
44        }
45    }
46
47    /// CHECK-START: boolean Main.testInstanceOf() register (after)
48    /// CHECK: InstanceOf
49    public static boolean testInstanceOf() {
50        return ic instanceof InaccessibleClass;
51    }
52
53    /// CHECK-START: boolean Main.testInstanceOfNull() register (after)
54    /// CHECK: InstanceOf
55    public static boolean testInstanceOfNull() {
56        return null instanceof InaccessibleClass;
57    }
58
59    // TODO: write a test for for CheckCast with not null constant (after RTP can parse arguments).
60
61    /// CHECK-START: other.InaccessibleClass Main.testCheckCastNull() register (after)
62    /// CHECK: CheckCast
63    public static InaccessibleClass testCheckCastNull() {
64        return (InaccessibleClass) null;
65    }
66
67    /// CHECK-START: boolean Main.testDontGvnLoadClassWithAccessChecks(java.lang.Object) inliner (before)
68    /// CHECK: InvokeStaticOrDirect
69
70    /// CHECK-START: boolean Main.testDontGvnLoadClassWithAccessChecks(java.lang.Object) inliner (after)
71    /// CHECK-NOT: InvokeStaticOrDirect
72
73    /// CHECK-START: boolean Main.testDontGvnLoadClassWithAccessChecks(java.lang.Object) GVN (after)
74    /// CHECK: LoadClass needs_access_check:false
75    /// CHECK: LoadClass needs_access_check:true
76    public static boolean testDontGvnLoadClassWithAccessChecks(Object o) {
77        InaccessibleClassProxy.test(o);
78        return ic instanceof InaccessibleClass;
79    }
80
81    public static InaccessibleClass ic;
82}
83