1// Copyright 2021 Peter Dimov
2// Distributed under the Boost Software License, Version 1.0.
3// https://www.boost.org/LICENSE_1_0.txt
4
5#include <boost/core/detail/string_view.hpp>
6#include <boost/core/lightweight_test.hpp>
7#include <boost/config.hpp>
8
9#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
10# if defined(__apple_build_version__)
11// Under macOS, it's possible for the header
12// <memory_resource> to be present, but for
13// libc++.dylib to not have support for it.
14// https://github.com/boostorg/core/issues/162
15# define BOOST_NO_CXX17_HDR_MEMORY_RESOURCE
16# endif
17#endif
18
19#include <cstddef>
20#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
21# include <string_view>
22#endif
23#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
24# include <memory_resource>
25#endif
26
27#define TEST_EQ(x, y) \
28 BOOST_TEST_EQ(x, y); \
29 BOOST_TEST_NOT((x) != (y)); \
30 BOOST_TEST_LE(x, y); \
31 BOOST_TEST_GE(x, y); \
32 BOOST_TEST_NOT((x) < (y)); \
33 BOOST_TEST_NOT((x) > (y))
34
35#define TEST_NE(x, y) \
36 BOOST_TEST_NE(x, y); \
37 BOOST_TEST_NOT((x) == (y)); \
38 BOOST_TEST((x) < (y) || (x) > (y));
39
40int main()
41{
42 {
43 boost::core::string_view sv1( "" );
44 boost::core::string_view sv2( "" );
45 boost::core::string_view sv3( "123" );
46 boost::core::string_view sv4( "123" );
47 boost::core::string_view sv5( "12345" );
48 boost::core::string_view sv6( "12345" );
49
50 TEST_EQ( sv1, sv1 );
51 TEST_EQ( sv1, sv2 );
52 TEST_NE( sv1, sv3 );
53 TEST_NE( sv1, sv5 );
54
55 TEST_EQ( sv3, sv3 );
56 TEST_EQ( sv3, sv4 );
57 TEST_NE( sv3, sv1 );
58 TEST_NE( sv3, sv5 );
59
60 TEST_EQ( sv5, sv5 );
61 TEST_EQ( sv5, sv6 );
62 TEST_NE( sv5, sv1 );
63 TEST_NE( sv5, sv3 );
64
65 BOOST_TEST_EQ( sv1, std::string( "" ) );
66 BOOST_TEST_EQ( std::string( "" ), sv1 );
67
68 BOOST_TEST_NE( sv1, std::string( "1" ) );
69 BOOST_TEST_NE( std::string( "1" ), sv1 );
70
71 BOOST_TEST_EQ( sv3, std::string( "123" ) );
72 BOOST_TEST_EQ( std::string( "123" ), sv3 );
73
74 BOOST_TEST_NE( sv3, std::string( "122" ) );
75 BOOST_TEST_NE( std::string( "122" ), sv3 );
76
77 BOOST_TEST_EQ( sv1, "" );
78 BOOST_TEST_EQ( "", sv1 );
79
80 BOOST_TEST_NE( sv1, "1" );
81 BOOST_TEST_NE( "1", sv1 );
82
83 BOOST_TEST_EQ( sv3, "123" );
84 BOOST_TEST_EQ( "123", sv3 );
85
86 BOOST_TEST_NE( sv3, "122" );
87 BOOST_TEST_NE( "122", sv3 );
88
89#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
90
91 BOOST_TEST_EQ( sv1, std::string_view( "" ) );
92 BOOST_TEST_EQ( std::string_view( "" ), sv1 );
93
94 BOOST_TEST_NE( sv1, std::string_view( "1" ) );
95 BOOST_TEST_NE( std::string_view( "1" ), sv1 );
96
97 BOOST_TEST_EQ( sv3, std::string_view( "123" ) );
98 BOOST_TEST_EQ( std::string_view( "123" ), sv3 );
99
100 BOOST_TEST_NE( sv3, std::string_view( "122" ) );
101 BOOST_TEST_NE( std::string_view( "122" ), sv3 );
102
103#endif
104
105#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
106
107 using pmr_string = std::basic_string<char, std::char_traits<char>, std::pmr::polymorphic_allocator<char>>;
108
109 BOOST_TEST_EQ( sv1, pmr_string( "" ) );
110 BOOST_TEST_EQ( pmr_string( "" ), sv1 );
111
112 BOOST_TEST_NE( sv1, pmr_string( "1" ) );
113 BOOST_TEST_NE( pmr_string( "1" ), sv1 );
114
115 BOOST_TEST_EQ( sv3, pmr_string( "123" ) );
116 BOOST_TEST_EQ( pmr_string( "123" ), sv3 );
117
118 BOOST_TEST_NE( sv3, pmr_string( "122" ) );
119 BOOST_TEST_NE( pmr_string( "122" ), sv3 );
120
121#endif
122 }
123
124 return boost::report_errors();
125}
126

source code of boost/libs/core/test/sv_eq_test.cpp