blob: 76fb53e5193310f25fa798b78aba8328f02bd6fe (
plain)
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
|
// Copyright 2021 Code Intelligence GmbH
//
// 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.
package com.code_intelligence.jazzer.instrumentor
import org.junit.Test
import java.io.File
private fun applyReplaceHooks(bytecode: ByteArray): ByteArray {
return HookInstrumentor(loadHooks(ReplaceHooks::class.java), false).instrument(bytecode)
}
private fun getOriginalReplaceHooksTargetInstance(): ReplaceHooksTargetContract {
return ReplaceHooksTarget()
}
private fun getNoHooksReplaceHooksTargetInstance(): ReplaceHooksTargetContract {
val originalBytecode = classToBytecode(ReplaceHooksTarget::class.java)
// Let the bytecode pass through the hooking logic, but don't apply any hooks.
val patchedBytecode = HookInstrumentor(emptyList(), false).instrument(originalBytecode)
val patchedClass = bytecodeToClass(ReplaceHooksTarget::class.java.name, patchedBytecode)
return patchedClass.getDeclaredConstructor().newInstance() as ReplaceHooksTargetContract
}
private fun getPatchedReplaceHooksTargetInstance(): ReplaceHooksTargetContract {
val originalBytecode = classToBytecode(ReplaceHooksTarget::class.java)
val patchedBytecode = applyReplaceHooks(originalBytecode)
// Make the patched class available in bazel-testlogs/.../test.outputs for manual inspection.
val outDir = System.getenv("TEST_UNDECLARED_OUTPUTS_DIR")
File("$outDir/${ReplaceHooksTarget::class.java.simpleName}.class").writeBytes(originalBytecode)
File("$outDir/${ReplaceHooksTarget::class.java.simpleName}.patched.class").writeBytes(patchedBytecode)
val patchedClass = bytecodeToClass(ReplaceHooksTarget::class.java.name, patchedBytecode)
return patchedClass.getDeclaredConstructor().newInstance() as ReplaceHooksTargetContract
}
class ReplaceHookTest {
@Test
fun testReplaceHooksOriginal() {
assertSelfCheck(getOriginalReplaceHooksTargetInstance(), false)
}
@Test
fun testReplaceHooksNoHooks() {
assertSelfCheck(getNoHooksReplaceHooksTargetInstance(), false)
}
@Test
fun testReplaceHooksPatched() {
assertSelfCheck(getPatchedReplaceHooksTargetInstance(), true)
}
}
|
