1 /**
2 * Copyright (c) 2024 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 <cstddef>
17 #include <cstdint>
18 #include <gtest/gtest.h>
19 #include <sstream>
20 #include <type_traits>
21
22 #include "bytecode_instruction-inl.h"
23
24 namespace panda::test {
25
TEST(BytecodeInstruction, IsJumpInstruction)26 TEST(BytecodeInstruction, IsJumpInstruction)
27 {
28 {
29 // jmp -22
30 const uint8_t bytecode[] = {0x4d, 0xea};
31 BytecodeInstruction inst(bytecode);
32 EXPECT_EQ(inst.IsJumpInstruction(), true);
33 }
34 {
35 // a non-jump instruction
36 const uint8_t bytecode[] = {0x08, 0x0b, 0x03, 0x06};
37 BytecodeInstruction inst(bytecode);
38 EXPECT_EQ(inst.IsJumpInstruction(), false);
39 }
40 }
41
TEST(BytecodeInstruction, IsRangeInstruction)42 TEST(BytecodeInstruction, IsRangeInstruction)
43 {
44 {
45 // newobjrange 0xb, 0x3, v6
46 const uint8_t bytecode[] = {0x08, 0x0b, 0x03, 0x06};
47 BytecodeInstruction inst(bytecode);
48 EXPECT_EQ(inst.IsRangeInstruction(), true);
49 }
50 {
51 // a non-range instruction
52 const uint8_t bytecode[] = {0x44, 0x58};
53 BytecodeInstruction inst(bytecode);
54 EXPECT_EQ(inst.IsRangeInstruction(), false);
55 }
56 }
57
TEST(BytecodeInstruction, GetRangeInsLastRegIdx)58 TEST(BytecodeInstruction, GetRangeInsLastRegIdx) {
59 {
60 // a non-range instruction
61 const uint8_t bytecode[] = {0x3f, 0x0a, 0x00, 0x00};
62 BytecodeInstruction inst(bytecode);
63 EXPECT_EQ(inst.GetRangeInsLastRegIdx(), std::nullopt);
64 }
65 {
66 // newobjrange 0xb, 0x3, v6
67 const uint8_t bytecode[] = {0x08, 0x0b, 0x03, 0x06};
68 BytecodeInstruction inst(bytecode);
69 EXPECT_EQ(inst.GetRangeInsLastRegIdx().value(), 8);
70 }
71 }
72 }