1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 //
5 // Unit test for string manipulation functions used in the RLZ library.
6
7 #include "rlz/lib/string_utils.h"
8
9 #include "base/basictypes.h"
10 #include "base/logging.h"
11 #include "base/strings/utf_string_conversions.h"
12 #include "rlz/lib/assert.h"
13 #include "testing/gmock/include/gmock/gmock.h"
14 #include "testing/gtest/include/gtest/gtest.h"
15
TEST(StringUtilsUnittest,IsAscii)16 TEST(StringUtilsUnittest, IsAscii) {
17 rlz_lib::SetExpectedAssertion("");
18
19 char bad_letters[] = {'\x80', '\xA0', '\xFF'};
20 for (size_t i = 0; i < arraysize(bad_letters); ++i)
21 EXPECT_FALSE(rlz_lib::IsAscii(bad_letters[i]));
22
23 char good_letters[] = {'A', '~', '\n', 0x7F, 0x00};
24 for (size_t i = 0; i < arraysize(good_letters); ++i)
25 EXPECT_TRUE(rlz_lib::IsAscii(good_letters[i]));
26 }
27
TEST(StringUtilsUnittest,HexStringToInteger)28 TEST(StringUtilsUnittest, HexStringToInteger) {
29 rlz_lib::SetExpectedAssertion("HexStringToInteger: text is NULL.");
30 EXPECT_EQ(0, rlz_lib::HexStringToInteger(NULL));
31
32 rlz_lib::SetExpectedAssertion("");
33 EXPECT_EQ(0, rlz_lib::HexStringToInteger(""));
34 EXPECT_EQ(0, rlz_lib::HexStringToInteger(" "));
35 EXPECT_EQ(0, rlz_lib::HexStringToInteger(" 0x "));
36 EXPECT_EQ(0, rlz_lib::HexStringToInteger(" 0x0 "));
37 EXPECT_EQ(0x12345, rlz_lib::HexStringToInteger("12345"));
38 EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger("a34Ed0"));
39 EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger("0xa34Ed0"));
40 EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger(" 0xa34Ed0"));
41 EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger("0xa34Ed0 "));
42 EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger(" 0xa34Ed0 "));
43 EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger(" 0x000a34Ed0 "));
44 EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger(" 000a34Ed0 "));
45
46 rlz_lib::SetExpectedAssertion(
47 "HexStringToInteger: text contains non-hex characters.");
48 EXPECT_EQ(0x12ff, rlz_lib::HexStringToInteger("12ffg"));
49 EXPECT_EQ(0x12f, rlz_lib::HexStringToInteger("12f 121"));
50 EXPECT_EQ(0x12f, rlz_lib::HexStringToInteger("12f 121"));
51 EXPECT_EQ(0, rlz_lib::HexStringToInteger("g12f"));
52 EXPECT_EQ(0, rlz_lib::HexStringToInteger(" 0x0 \n"));
53
54 rlz_lib::SetExpectedAssertion("");
55 }
56
TEST(StringUtilsUnittest,TestBytesToString)57 TEST(StringUtilsUnittest, TestBytesToString) {
58 unsigned char data[] = {0x1E, 0x00, 0x21, 0x67, 0xFF};
59 std::string result;
60
61 EXPECT_FALSE(rlz_lib::BytesToString(NULL, 5, &result));
62 EXPECT_FALSE(rlz_lib::BytesToString(data, 5, NULL));
63 EXPECT_FALSE(rlz_lib::BytesToString(NULL, 5, NULL));
64
65 EXPECT_TRUE(rlz_lib::BytesToString(data, 5, &result));
66 EXPECT_EQ(std::string("1E002167FF"), result);
67 EXPECT_TRUE(rlz_lib::BytesToString(data, 4, &result));
68 EXPECT_EQ(std::string("1E002167"), result);
69 }
70