1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "cflow/instructions_map.h"
17
18 #include "util/range.h"
19
20 #include "util/tests/verifier_test.h"
21
22 #include <gtest/gtest.h>
23
24 namespace panda::verifier::test {
25
TEST_F(VerifierTest,InstructionsMap)26 TEST_F(VerifierTest, InstructionsMap)
27 {
28 char code[148];
29 InstructionsMap map {&code[5], &code[147]};
30
31 // 11110010
32 EXPECT_FALSE(map.PutInstruction(&code[4], 3));
33 EXPECT_TRUE(map.PutInstruction(&code[5], 2));
34 EXPECT_TRUE(map.CanJumpTo(&code[5]));
35 EXPECT_FALSE(map.CanJumpTo(&code[6]));
36 EXPECT_TRUE(map.CanJumpTo(&code[7]));
37
38 map.MarkCodeBlock(&code[10], 104);
39 EXPECT_TRUE(map.CanJumpTo(&code[9]));
40 EXPECT_TRUE(map.CanJumpTo(&code[114]));
41 for (auto addr : Range(10, 113)) {
42 EXPECT_FALSE(map.CanJumpTo(&code[addr]));
43 }
44
45 EXPECT_TRUE(map.PutInstruction(&code[133], 1));
46 EXPECT_TRUE(map.CanJumpTo(&code[133]));
47 }
48
49 } // namespace panda::verifier::test
50