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 23 namespace art { 24 25 class TestVisitor : public DexInstructionVisitor<TestVisitor> {}; 26 27 TEST(InstructionTest, Init) { 28 std::unique_ptr<TestVisitor> visitor(new TestVisitor); 29 } 30 31 class 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 42 TEST(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