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 <iostream>
20#include <memory>
21
22#include "gtest/gtest.h"
23
24namespace art {
25
26class TestVisitor : public DexInstructionVisitor<TestVisitor> {};
27
28TEST(InstructionTest, Init) {
29  std::unique_ptr<TestVisitor> visitor(new TestVisitor);
30}
31
32class CountVisitor : public DexInstructionVisitor<CountVisitor> {
33 public:
34  int count_;
35
36  CountVisitor() : count_(0) {}
37
38  void Do_Default(const Instruction*) {
39    ++count_;
40  }
41};
42
43TEST(InstructionTest, Count) {
44  CountVisitor v0;
45  const uint16_t c0[] = {};
46  v0.Visit(c0, sizeof(c0));
47  EXPECT_EQ(0, v0.count_);
48
49  CountVisitor v1;
50  const uint16_t c1[] = { 0 };
51  v1.Visit(c1, sizeof(c1));
52  EXPECT_EQ(1, v1.count_);
53
54  CountVisitor v2;
55  const uint16_t c2[] = { 0, 0 };
56  v2.Visit(c2, sizeof(c2));
57  EXPECT_EQ(2, v2.count_);
58
59  CountVisitor v3;
60  const uint16_t c3[] = { 0, 0, 0, };
61  v3.Visit(c3, sizeof(c3));
62  EXPECT_EQ(3, v3.count_);
63
64  CountVisitor v4;
65  const uint16_t c4[] = { 0, 0, 0, 0  };
66  v4.Visit(c4, sizeof(c4));
67  EXPECT_EQ(4, v4.count_);
68}
69
70}  // namespace art
71