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Use actual example code and move safe_fopen to os-test

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This commit is contained in:
Victor Zverovich 2025-07-04 09:50:55 -07:00
parent 2fa3e1a1bb
commit 6a3b40524c
3 changed files with 19 additions and 23 deletions
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18
test/format-test.cc
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@ -1809,19 +1809,15 @@ TEST(format_test, format_examples) {
fmt::format_to(std::back_inserter(out), "The answer is {}.", 42);
EXPECT_EQ("The answer is 42.", to_string(out));
const char* filename = "nonexistent";
FILE* ftest = safe_fopen(filename, "r");
if (ftest) fclose(ftest);
int error_code = errno;
EXPECT_TRUE(ftest == nullptr);
EXPECT_SYSTEM_ERROR(
EXPECT_THROW(
{
FILE* f = safe_fopen(filename, "r");
if (!f)
throw fmt::system_error(errno, "Cannot open file '{}'", filename);
fclose(f);
const char* filename = "madeup";
FILE* file = fopen(filename, "r");
if (!file)
throw fmt::system_error(errno, "cannot open file '{}'", filename);
fclose(file);
},
error_code, "Cannot open file 'nonexistent'");
std::system_error);
EXPECT_EQ("First, thou shalt count to three",
fmt::format("First, thou shalt count to {0}", "three"));

13
test/os-test.cc
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@ -19,10 +19,21 @@ using fmt::buffered_file;
using testing::HasSubstr;
using wstring_view = fmt::basic_string_view<wchar_t>;
static std::string uniq_file_name(unsigned line_number) {
static auto uniq_file_name(unsigned line_number) -> std::string {
return "test-file" + std::to_string(line_number);
}
auto safe_fopen(const char* filename, const char* mode) -> FILE* {
#if defined(_WIN32) && !defined(__MINGW32__)
// Fix MSVC warning about "unsafe" fopen.
FILE* f = nullptr;
errno = fopen_s(&f, filename, mode);
return f;
#else
return std::fopen(filename, mode);
#endif
}
#ifdef _WIN32
# include <windows.h>

11
test/util.h
View File

@ -31,17 +31,6 @@ extern const char* const file_content;
// Opens a buffered file for reading.
auto open_buffered_file(FILE** fp = nullptr) -> fmt::buffered_file;
inline auto safe_fopen(const char* filename, const char* mode) -> FILE* {
#if defined(_WIN32) && !defined(__MINGW32__)
// Fix MSVC warning about "unsafe" fopen.
FILE* f = nullptr;
errno = fopen_s(&f, filename, mode);
return f;
#else
return std::fopen(filename, mode);
#endif
}
template <typename Char> class basic_test_string {
private:
std::basic_string<Char> value_;