1 // Formatting library for C++ - formatting library tests
2 //
3 // Copyright (c) 2012 - present, Victor Zverovich
4 // All rights reserved.
5 //
6 // For the license information refer to format.h.
7
8 #include <iterator>
9 #include <vector>
10
11 #define I 42 // simulate https://en.cppreference.com/w/c/numeric/complex/I
12 #include "fmt/chrono.h"
13 #include "fmt/color.h"
14 #include "fmt/format.h"
15 #include "fmt/ostream.h"
16 #include "fmt/ranges.h"
17 #include "fmt/xchar.h"
18 #undef I
19
20 // Exercise the API to verify that everything we expect to can compile.
test_format_api()21 void test_format_api() {
22 (void)fmt::format(FMT_STRING("{}"), 42);
23 (void)fmt::format(FMT_STRING(L"{}"), 42);
24 (void)fmt::format(FMT_STRING("noop"));
25
26 (void)fmt::to_string(42);
27 (void)fmt::to_wstring(42);
28
29 std::vector<char> out;
30 fmt::format_to(std::back_inserter(out), FMT_STRING("{}"), 42);
31
32 char buffer[4];
33 fmt::format_to_n(buffer, 3, FMT_STRING("{}"), 12345);
34
35 wchar_t wbuffer[4];
36 fmt::format_to_n(wbuffer, 3, FMT_STRING(L"{}"), 12345);
37 }
38
test_chrono()39 void test_chrono() {
40 (void)fmt::format(FMT_STRING("{}"), std::chrono::seconds(42));
41 (void)fmt::format(FMT_STRING(L"{}"), std::chrono::seconds(42));
42 }
43
test_text_style()44 void test_text_style() {
45 fmt::print(fg(fmt::rgb(255, 20, 30)), FMT_STRING("{}"), "rgb(255,20,30)");
46 (void)fmt::format(fg(fmt::rgb(255, 20, 30)), FMT_STRING("{}"),
47 "rgb(255,20,30)");
48
49 fmt::text_style ts = fg(fmt::rgb(255, 20, 30));
50 std::string out;
51 fmt::format_to(std::back_inserter(out), ts,
52 FMT_STRING("rgb(255,20,30){}{}{}"), 1, 2, 3);
53 }
54
test_range()55 void test_range() {
56 std::vector<char> hello = {'h', 'e', 'l', 'l', 'o'};
57 (void)fmt::format(FMT_STRING("{}"), hello);
58 }
59
main()60 int main() {
61 test_format_api();
62 test_chrono();
63 test_text_style();
64 test_range();
65 }
66