1 /*
2  * Copyright (C) 2016 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 
17 #include <stdint.h>
18 
19 #include <ios>
20 #include <vector>
21 
22 #include <gtest/gtest.h>
23 
24 #include <unwindstack/DwarfError.h>
25 #include <unwindstack/DwarfMemory.h>
26 #include <unwindstack/Log.h>
27 #include <unwindstack/Regs.h>
28 
29 #include "DwarfOp.h"
30 
31 #include "MemoryFake.h"
32 
33 namespace unwindstack {
34 
35 template <typename TypeParam>
36 class DwarfOpLogTest : public ::testing::Test {
37  protected:
SetUp()38   void SetUp() override {
39     op_memory_.Clear();
40     regular_memory_.Clear();
41     mem_.reset(new DwarfMemory(&op_memory_));
42     op_.reset(new DwarfOp<TypeParam>(mem_.get(), &regular_memory_));
43   }
44 
45   MemoryFake op_memory_;
46   MemoryFake regular_memory_;
47 
48   std::unique_ptr<DwarfMemory> mem_;
49   std::unique_ptr<DwarfOp<TypeParam>> op_;
50 };
51 TYPED_TEST_SUITE_P(DwarfOpLogTest);
52 
TYPED_TEST_P(DwarfOpLogTest,multiple_ops)53 TYPED_TEST_P(DwarfOpLogTest, multiple_ops) {
54   // Multi operation opcodes.
55   std::vector<uint8_t> opcode_buffer = {
56       0x0a, 0x20, 0x10, 0x08, 0x03, 0x12, 0x27,
57   };
58   this->op_memory_.SetMemory(0, opcode_buffer);
59 
60   std::vector<std::string> lines;
61   this->op_->GetLogInfo(0, opcode_buffer.size(), &lines);
62   std::vector<std::string> expected{
63       "DW_OP_const2u 4128", "Raw Data: 0x0a 0x20 0x10", "DW_OP_const1u 3", "Raw Data: 0x08 0x03",
64       "DW_OP_dup",          "Raw Data: 0x12",           "DW_OP_xor",       "Raw Data: 0x27"};
65   ASSERT_EQ(expected, lines);
66 }
67 
68 REGISTER_TYPED_TEST_SUITE_P(DwarfOpLogTest, multiple_ops);
69 
70 typedef ::testing::Types<uint32_t, uint64_t> DwarfOpLogTestTypes;
71 INSTANTIATE_TYPED_TEST_SUITE_P(Libunwindstack, DwarfOpLogTest, DwarfOpLogTestTypes);
72 
73 }  // namespace unwindstack
74