dex_instruction_visitor_test.cc revision cf7f19135f0e273f7b0136315633c2abfc715343 
1/*
2 * Copyright (C) 2011 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 "dex_instruction_visitor.h"
18
19#include <memory>
20
21#include "gtest/gtest.h"
22
23namespace art {
24
25class TestVisitor : public DexInstructionVisitor<TestVisitor> {};
26
27TEST(InstructionTest, Init) {
28  std::unique_ptr<TestVisitor> visitor(new TestVisitor);
29}
30
31class CountVisitor : public DexInstructionVisitor<CountVisitor> {
32 public:
33  int count_;
34
35  CountVisitor() : count_(0) {}
36
37  void Do_Default(const Instruction*) {
38    ++count_;
39  }
40};
41
42TEST(InstructionTest, Count) {
43  CountVisitor v0;
44  const uint16_t c0[] = {};
45  v0.Visit(c0, sizeof(c0));
46  EXPECT_EQ(0, v0.count_);
47
48  CountVisitor v1;
49  const uint16_t c1[] = { 0 };
50  v1.Visit(c1, sizeof(c1));
51  EXPECT_EQ(1, v1.count_);
52
53  CountVisitor v2;
54  const uint16_t c2[] = { 0, 0 };
55  v2.Visit(c2, sizeof(c2));
56  EXPECT_EQ(2, v2.count_);
57
58  CountVisitor v3;
59  const uint16_t c3[] = { 0, 0, 0, };
60  v3.Visit(c3, sizeof(c3));
61  EXPECT_EQ(3, v3.count_);
62
63  CountVisitor v4;
64  const uint16_t c4[] = { 0, 0, 0, 0  };
65  v4.Visit(c4, sizeof(c4));
66  EXPECT_EQ(4, v4.count_);
67}
68
69}  // namespace art
70