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
21 #include "UniquePtr.h"
22 #include "gtest/gtest.h"
23
24 namespace art {
25
26 class TestVisitor : public DexInstructionVisitor<TestVisitor> {};
27
TEST(InstructionTest,Init)28 TEST(InstructionTest, Init) {
29 UniquePtr<TestVisitor> visitor(new TestVisitor);
30 }
31
32 class CountVisitor : public DexInstructionVisitor<CountVisitor> {
33 public:
34 int count_;
35
CountVisitor()36 CountVisitor() : count_(0) {}
37
Do_Default(const Instruction *)38 void Do_Default(const Instruction*) {
39 ++count_;
40 }
41 };
42
TEST(InstructionTest,Count)43 TEST(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