xref: /aosp_15_r20/external/webrtc/rtc_base/string_utils_unittest.cc (revision d9f758449e529ab9291ac668be2861e7a55c2422)
1 /*
2  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #include "rtc_base/string_utils.h"
12 
13 #include "test/gtest.h"
14 
15 namespace rtc {
16 
TEST(string_toHexTest,ToHex)17 TEST(string_toHexTest, ToHex) {
18   EXPECT_EQ(ToHex(0), "0");
19   EXPECT_EQ(ToHex(0X1243E), "1243e");
20   EXPECT_EQ(ToHex(-20), "ffffffec");
21 }
22 
23 #if defined(WEBRTC_WIN)
24 
TEST(string_toutf,Empty)25 TEST(string_toutf, Empty) {
26   char empty_string[] = "";
27   EXPECT_TRUE(ToUtf16(empty_string, 0u).empty());
28   wchar_t empty_wchar[] = L"";
29   EXPECT_TRUE(ToUtf8(empty_wchar, 0u).empty());
30 }
31 
32 #endif  // WEBRTC_WIN
33 
TEST(CompileTimeString,MakeActsLikeAString)34 TEST(CompileTimeString, MakeActsLikeAString) {
35   EXPECT_STREQ(MakeCompileTimeString("abc123"), "abc123");
36 }
37 
TEST(CompileTimeString,ConvertibleToStdString)38 TEST(CompileTimeString, ConvertibleToStdString) {
39   EXPECT_EQ(std::string(MakeCompileTimeString("abab")), "abab");
40 }
41 
42 namespace detail {
StringEquals(const char * a,const char * b)43 constexpr bool StringEquals(const char* a, const char* b) {
44   while (*a && *a == *b)
45     a++, b++;
46   return *a == *b;
47 }
48 }  // namespace detail
49 
50 static_assert(detail::StringEquals(MakeCompileTimeString("handellm"),
51                                    "handellm"),
52               "String should initialize.");
53 
54 static_assert(detail::StringEquals(MakeCompileTimeString("abc123").Concat(
55                                        MakeCompileTimeString("def456ghi")),
56                                    "abc123def456ghi"),
57               "Strings should concatenate.");
58 
59 }  // namespace rtc
60