1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/*
* Created by Martin on 17/02/2017.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#define CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER
#include "catch.hpp"
#include <map>
#include <set>
TEST_CASE( "Character pretty printing" ){
SECTION("Specifically escaped"){
char tab = '\t';
char newline = '\n';
char carr_return = '\r';
char form_feed = '\f';
CHECK(tab == '\t');
CHECK(newline == '\n');
CHECK(carr_return == '\r');
CHECK(form_feed == '\f');
}
SECTION("General chars"){
char space = ' ';
CHECK(space == ' ');
char chars[] = {'a', 'z', 'A', 'Z'};
for (int i = 0; i < 4; ++i){
char c = chars[i];
REQUIRE(c == chars[i]);
}
}
SECTION("Low ASCII"){
char null_terminator = '\0';
CHECK(null_terminator == '\0');
for (int i = 2; i < 6; ++i){
char c = static_cast<char>(i);
REQUIRE(c == i);
}
}
}
TEST_CASE( "Capture and info messages" ) {
SECTION("Capture should stringify like assertions") {
int i = 2;
CAPTURE(i);
REQUIRE(true);
}
SECTION("Info should NOT stringify the way assertions do") {
int i = 3;
INFO(i);
REQUIRE(true);
}
}
TEST_CASE( "std::map is convertible string", "[toString]" ) {
SECTION( "empty" ) {
std::map<std::string, int> emptyMap;
REQUIRE( Catch::Detail::stringify( emptyMap ) == "{ }" );
}
SECTION( "single item" ) {
std::map<std::string, int> map = { { "one", 1 } };
REQUIRE( Catch::Detail::stringify( map ) == "{ { \"one\", 1 } }" );
}
SECTION( "several items" ) {
std::map<std::string, int> map = {
{ "abc", 1 },
{ "def", 2 },
{ "ghi", 3 }
};
REQUIRE( Catch::Detail::stringify( map ) == "{ { \"abc\", 1 }, { \"def\", 2 }, { \"ghi\", 3 } }" );
}
}
TEST_CASE( "std::set is convertible string", "[toString]" ) {
SECTION( "empty" ) {
std::set<std::string> emptySet;
REQUIRE( Catch::Detail::stringify( emptySet ) == "{ }" );
}
SECTION( "single item" ) {
std::set<std::string> set = { "one" };
REQUIRE( Catch::Detail::stringify( set ) == "{ \"one\" }" );
}
SECTION( "several items" ) {
std::set<std::string> set = { "abc", "def", "ghi" };
REQUIRE( Catch::Detail::stringify( set ) == "{ \"abc\", \"def\", \"ghi\" }" );
}
}
TEST_CASE("Static arrays are convertible to string", "[toString]") {
SECTION("Single item") {
int singular[1] = { 1 };
REQUIRE(Catch::Detail::stringify(singular) == "{ 1 }");
}
SECTION("Multiple") {
int arr[3] = { 3, 2, 1 };
REQUIRE(Catch::Detail::stringify(arr) == "{ 3, 2, 1 }");
}
SECTION("Non-trivial inner items") {
std::vector<std::string> arr[2] = { {"1:1", "1:2", "1:3"}, {"2:1", "2:2"} };
REQUIRE(Catch::Detail::stringify(arr) == R"({ { "1:1", "1:2", "1:3" }, { "2:1", "2:2" } })");
}
}
#ifdef CATCH_CONFIG_CPP17_STRING_VIEW
TEST_CASE("String views are stringified like other strings", "[toString][approvals]") {
std::string_view view{"abc"};
CHECK(Catch::Detail::stringify(view) == R"("abc")");
std::string_view arr[] { view };
CHECK(Catch::Detail::stringify(arr) == R"({ "abc" })");
}
#endif
TEST_CASE("Precision of floating point stringification can be set", "[toString][floatingPoint]") {
SECTION("Floats") {
using sm = Catch::StringMaker<float>;
const auto oldPrecision = sm::precision;
const float testFloat = 1.12345678901234567899f;
auto str1 = sm::convert(testFloat);
sm::precision = 5;
// "1." prefix = 2 chars, f suffix is another char
CHECK(str1.size() == 3 + 5);
sm::precision = 10;
auto str2 = sm::convert(testFloat);
REQUIRE(str2.size() == 3 + 10);
sm::precision = oldPrecision;
}
SECTION("Double") {
using sm = Catch::StringMaker<double>;
const auto oldPrecision = sm::precision;
const double testDouble = 1.123456789012345678901234567899;
sm::precision = 5;
auto str1 = sm::convert(testDouble);
// "1." prefix = 2 chars
CHECK(str1.size() == 2 + 5);
sm::precision = 15;
auto str2 = sm::convert(testDouble);
REQUIRE(str2.size() == 2 + 15);
sm::precision = oldPrecision;
}
}
namespace {
struct WhatException : std::exception {
char const* what() const noexcept override {
return "This exception has overridden what() method";
}
~WhatException() override;
};
struct OperatorException : std::exception {
~OperatorException() override;
};
std::ostream& operator<<(std::ostream& out, OperatorException const&) {
out << "OperatorException";
return out;
}
struct StringMakerException : std::exception {
~StringMakerException() override;
};
} // end anonymous namespace
namespace Catch {
template <>
struct StringMaker<StringMakerException> {
static std::string convert(StringMakerException const&) {
return "StringMakerException";
}
};
}
// Avoid -Wweak-tables
WhatException::~WhatException() = default;
OperatorException::~OperatorException() = default;
StringMakerException::~StringMakerException() = default;
TEST_CASE("Exception as a value (e.g. in REQUIRE_THROWS_MATCHES) can be stringified", "[toString][exception]") {
REQUIRE(::Catch::Detail::stringify(WhatException{}) == "This exception has overridden what() method");
REQUIRE(::Catch::Detail::stringify(OperatorException{}) == "OperatorException");
REQUIRE(::Catch::Detail::stringify(StringMakerException{}) == "StringMakerException");
}
|
