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 "utils.h" 18 19 #include "gtest/gtest.h" 20 21 namespace art { 22 23 class UtilsTest : public testing::Test {}; 24 25 TEST_F(UtilsTest, PrettySize) { 26 EXPECT_EQ("1GB", PrettySize(1 * GB)); 27 EXPECT_EQ("2GB", PrettySize(2 * GB)); 28 if (sizeof(size_t) > sizeof(uint32_t)) { 29 EXPECT_EQ("100GB", PrettySize(100 * GB)); 30 } 31 EXPECT_EQ("1024KB", PrettySize(1 * MB)); 32 EXPECT_EQ("10MB", PrettySize(10 * MB)); 33 EXPECT_EQ("100MB", PrettySize(100 * MB)); 34 EXPECT_EQ("1024B", PrettySize(1 * KB)); 35 EXPECT_EQ("10KB", PrettySize(10 * KB)); 36 EXPECT_EQ("100KB", PrettySize(100 * KB)); 37 EXPECT_EQ("0B", PrettySize(0)); 38 EXPECT_EQ("1B", PrettySize(1)); 39 EXPECT_EQ("10B", PrettySize(10)); 40 EXPECT_EQ("100B", PrettySize(100)); 41 EXPECT_EQ("512B", PrettySize(512)); 42 } 43 44 TEST_F(UtilsTest, Split) { 45 std::vector<std::string> actual; 46 std::vector<std::string> expected; 47 48 expected.clear(); 49 50 actual.clear(); 51 Split("", ':', &actual); 52 EXPECT_EQ(expected, actual); 53 54 actual.clear(); 55 Split(":", ':', &actual); 56 EXPECT_EQ(expected, actual); 57 58 expected.clear(); 59 expected.push_back("foo"); 60 61 actual.clear(); 62 Split(":foo", ':', &actual); 63 EXPECT_EQ(expected, actual); 64 65 actual.clear(); 66 Split("foo:", ':', &actual); 67 EXPECT_EQ(expected, actual); 68 69 actual.clear(); 70 Split(":foo:", ':', &actual); 71 EXPECT_EQ(expected, actual); 72 73 expected.push_back("bar"); 74 75 actual.clear(); 76 Split("foo:bar", ':', &actual); 77 EXPECT_EQ(expected, actual); 78 79 actual.clear(); 80 Split(":foo:bar", ':', &actual); 81 EXPECT_EQ(expected, actual); 82 83 actual.clear(); 84 Split("foo:bar:", ':', &actual); 85 EXPECT_EQ(expected, actual); 86 87 actual.clear(); 88 Split(":foo:bar:", ':', &actual); 89 EXPECT_EQ(expected, actual); 90 91 expected.push_back("baz"); 92 93 actual.clear(); 94 Split("foo:bar:baz", ':', &actual); 95 EXPECT_EQ(expected, actual); 96 97 actual.clear(); 98 Split(":foo:bar:baz", ':', &actual); 99 EXPECT_EQ(expected, actual); 100 101 actual.clear(); 102 Split("foo:bar:baz:", ':', &actual); 103 EXPECT_EQ(expected, actual); 104 105 actual.clear(); 106 Split(":foo:bar:baz:", ':', &actual); 107 EXPECT_EQ(expected, actual); 108 } 109 110 TEST_F(UtilsTest, ArrayCount) { 111 int i[64]; 112 EXPECT_EQ(ArrayCount(i), 64u); 113 char c[7]; 114 EXPECT_EQ(ArrayCount(c), 7u); 115 } 116 117 TEST_F(UtilsTest, BoundsCheckedCast) { 118 char buffer[64]; 119 const char* buffer_end = buffer + ArrayCount(buffer); 120 EXPECT_EQ(BoundsCheckedCast<const uint64_t*>(nullptr, buffer, buffer_end), nullptr); 121 EXPECT_EQ(BoundsCheckedCast<const uint64_t*>(buffer, buffer, buffer_end), 122 reinterpret_cast<const uint64_t*>(buffer)); 123 EXPECT_EQ(BoundsCheckedCast<const uint64_t*>(buffer + 56, buffer, buffer_end), 124 reinterpret_cast<const uint64_t*>(buffer + 56)); 125 EXPECT_EQ(BoundsCheckedCast<const uint64_t*>(buffer - 1, buffer, buffer_end), nullptr); 126 EXPECT_EQ(BoundsCheckedCast<const uint64_t*>(buffer + 57, buffer, buffer_end), nullptr); 127 } 128 129 } // namespace art 130
