1/*
2 * Copyright (C) 2014 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 "hex_dump.h"
18
19#include "globals.h"
20
21#include "gtest/gtest.h"
22
23#include <stdint.h>
24
25namespace art {
26
27#if defined(__LP64__)
28#define ZEROPREFIX "00000000"
29#else
30#define ZEROPREFIX
31#endif
32
33TEST(HexDump, OneLine) {
34  const char* test_text = "0123456789abcdef";
35  std::ostringstream oss;
36  oss << HexDump(test_text, strlen(test_text), false, "");
37  EXPECT_STREQ(oss.str().c_str(),
38               ZEROPREFIX
39               "00000000: 30 31 32 33 34 35 36 37 38 39 61 62 63 64 65 66  0123456789abcdef");
40}
41
42TEST(HexDump, MultiLine) {
43  const char* test_text = "0123456789abcdef0123456789ABCDEF";
44  std::ostringstream oss;
45  oss << HexDump(test_text, strlen(test_text), false, "");
46  EXPECT_STREQ(oss.str().c_str(),
47               ZEROPREFIX
48               "00000000: 30 31 32 33 34 35 36 37 38 39 61 62 63 64 65 66  0123456789abcdef\n"
49               ZEROPREFIX
50               "00000010: 30 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46  0123456789ABCDEF");
51}
52
53uint64_t g16byte_aligned_number __attribute__ ((aligned(16)));  // NOLINT(whitespace/parens)
54TEST(HexDump, ShowActualAddresses) {
55  g16byte_aligned_number = 0x6162636465666768;
56  std::ostringstream oss;
57  oss << HexDump(&g16byte_aligned_number, 8, true, "");
58  // Compare ignoring pointer.
59  EXPECT_STREQ(oss.str().c_str() + (kBitsPerIntPtrT / 4),
60               ": 68 67 66 65 64 63 62 61                          hgfedcba        ");
61}
62
63TEST(HexDump, Prefix) {
64  const char* test_text = "0123456789abcdef";
65  std::ostringstream oss;
66  oss << HexDump(test_text, strlen(test_text), false, "test prefix: ");
67  EXPECT_STREQ(oss.str().c_str(),
68               "test prefix: " ZEROPREFIX "00000000: 30 31 32 33 34 35 36 37 38 39 61 62 63 64 65 66  "
69               "0123456789abcdef");
70}
71
72}  // namespace art
73