1 /*
2 * Copyright (C) 2021 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 "android-base/hex.h"
18
19 #include <gtest/gtest.h>
20
TEST(hex,empty)21 TEST(hex, empty) {
22 ASSERT_EQ("", android::base::HexString(nullptr, 0));
23 ASSERT_EQ("", android::base::HexString(reinterpret_cast<void*>(int32_t(0)), 0));
24 }
25
TEST(hex,short)26 TEST(hex, short) {
27 const int32_t kShortData = 0xDEADBEEF;
28 ASSERT_EQ("ef", android::base::HexString(&kShortData, 1));
29 ASSERT_EQ("efbe", android::base::HexString(&kShortData, 2));
30 ASSERT_EQ("efbead", android::base::HexString(&kShortData, 3));
31 ASSERT_EQ("efbeadde", android::base::HexString(&kShortData, 4));
32 }
33
TEST(hex,all)34 TEST(hex, all) {
35 constexpr size_t kSize = 256;
36 uint8_t kLongData[kSize];
37 for (size_t i = 0; i < kSize; i++) {
38 kLongData[i] = i;
39 }
40
41 ASSERT_EQ(
42 "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d"
43 "2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f505152535455565758595a5b"
44 "5c5d5e5f606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f80818283848586878889"
45 "8a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7"
46 "b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5"
47 "e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
48 android::base::HexString(&kLongData, kSize));
49 }
50