1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*******************************************************************************
* Copyright (c) 2009, 2019 Mountainminds GmbH & Co. KG and Contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Evgeny Mandrikov - initial API and implementation
*
*******************************************************************************/
package org.jacoco.core.internal.instr;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.jacoco.core.runtime.OfflineInstrumentationAccessGenerator;
import org.junit.Before;
import org.junit.Test;
import org.objectweb.asm.ConstantDynamic;
import org.objectweb.asm.Handle;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.ClassNode;
import org.objectweb.asm.tree.LdcInsnNode;
import org.objectweb.asm.tree.MethodNode;
import org.objectweb.asm.tree.TypeInsnNode;
import org.objectweb.asm.tree.VarInsnNode;
public class CondyProbeArrayStrategyTest {
private CondyProbeArrayStrategy strategy;
@Before
public void setup() {
strategy = new CondyProbeArrayStrategy("ClassName", true, 1L,
new OfflineInstrumentationAccessGenerator());
}
@Test
public void should_store_instance_using_condy_and_checkcast() {
final MethodNode m = new MethodNode();
final int maxStack = strategy.storeInstance(m, false, 1);
assertEquals(1, maxStack);
final ConstantDynamic constantDynamic = (ConstantDynamic) ((LdcInsnNode) m.instructions
.get(0)).cst;
assertEquals("$jacocoData", constantDynamic.getName());
assertEquals("Ljava/lang/Object;", constantDynamic.getDescriptor());
final Handle bootstrapMethod = constantDynamic.getBootstrapMethod();
assertEquals(Opcodes.H_INVOKESTATIC, bootstrapMethod.getTag());
assertEquals("ClassName", bootstrapMethod.getOwner());
assertEquals("$jacocoInit", bootstrapMethod.getName());
assertEquals(
"(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/Class;)[Z",
bootstrapMethod.getDesc());
assertTrue(bootstrapMethod.isInterface());
final TypeInsnNode castInstruction = (TypeInsnNode) m.instructions
.get(1);
assertEquals(Opcodes.CHECKCAST, castInstruction.getOpcode());
assertEquals("[Z", castInstruction.desc);
final VarInsnNode storeInstruction = (VarInsnNode) m.instructions
.get(2);
assertEquals(Opcodes.ASTORE, storeInstruction.getOpcode());
assertEquals(1, storeInstruction.var);
assertEquals(3, m.instructions.size());
}
@Test
public void should_not_add_fields() {
final ClassNode c = new ClassNode();
strategy.addMembers(c, 1);
assertEquals(0, c.fields.size());
}
@Test
public void should_add_bootstrap_method() {
final ClassNode c = new ClassNode();
strategy.addMembers(c, 1);
assertEquals(1, c.methods.size());
final MethodNode m = c.methods.get(0);
assertEquals(Opcodes.ACC_SYNTHETIC | Opcodes.ACC_PRIVATE
| Opcodes.ACC_STATIC, m.access);
assertEquals("$jacocoInit", m.name);
assertEquals(
"(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/Class;)[Z",
m.desc);
assertEquals(4, m.maxStack);
assertEquals(3, m.maxLocals);
}
}
|
