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Update os-test.cc (#3883)
uniq test file names for the os-test suite (#3878 issue).
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@ -18,6 +18,10 @@ using fmt::buffered_file;
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using testing::HasSubstr;
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using wstring_view = fmt::basic_string_view<wchar_t>;
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static std::string uniq_file_name(unsigned line_number) {
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return "test-file" + std::to_string(line_number);
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}
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#ifdef _WIN32
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# include <windows.h>
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@ -232,68 +236,75 @@ TEST(buffered_file_test, descriptor) {
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}
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TEST(ostream_test, move) {
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fmt::ostream out = fmt::output_file("test-file");
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auto test_file = uniq_file_name(__LINE__);
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fmt::ostream out = fmt::output_file(test_file);
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fmt::ostream moved(std::move(out));
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moved.print("hello");
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}
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TEST(ostream_test, move_while_holding_data) {
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auto test_file = uniq_file_name(__LINE__);
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{
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fmt::ostream out = fmt::output_file("test-file");
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fmt::ostream out = fmt::output_file(test_file);
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out.print("Hello, ");
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fmt::ostream moved(std::move(out));
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moved.print("world!\n");
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}
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{
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file in("test-file", file::RDONLY);
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file in(test_file, file::RDONLY);
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EXPECT_READ(in, "Hello, world!\n");
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}
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}
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TEST(ostream_test, print) {
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fmt::ostream out = fmt::output_file("test-file");
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auto test_file = uniq_file_name(__LINE__);
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fmt::ostream out = fmt::output_file(test_file);
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out.print("The answer is {}.\n", 42);
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out.close();
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file in("test-file", file::RDONLY);
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file in(test_file, file::RDONLY);
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EXPECT_READ(in, "The answer is 42.\n");
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}
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TEST(ostream_test, buffer_boundary) {
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auto str = std::string(4096, 'x');
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fmt::ostream out = fmt::output_file("test-file");
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auto test_file = uniq_file_name(__LINE__);
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fmt::ostream out = fmt::output_file(test_file);
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out.print("{}", str);
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out.print("{}", str);
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out.close();
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file in("test-file", file::RDONLY);
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file in(test_file, file::RDONLY);
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EXPECT_READ(in, str + str);
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}
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TEST(ostream_test, buffer_size) {
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fmt::ostream out = fmt::output_file("test-file", fmt::buffer_size = 1);
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auto test_file = uniq_file_name(__LINE__);
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fmt::ostream out = fmt::output_file(test_file, fmt::buffer_size = 1);
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out.print("{}", "foo");
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out.close();
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file in("test-file", file::RDONLY);
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file in(test_file, file::RDONLY);
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EXPECT_READ(in, "foo");
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}
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TEST(ostream_test, truncate) {
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auto test_file = uniq_file_name(__LINE__);
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{
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fmt::ostream out = fmt::output_file("test-file");
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fmt::ostream out = fmt::output_file(test_file);
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out.print("0123456789");
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}
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{
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fmt::ostream out = fmt::output_file("test-file");
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fmt::ostream out = fmt::output_file(test_file);
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out.print("foo");
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}
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file in("test-file", file::RDONLY);
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file in(test_file, file::RDONLY);
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EXPECT_EQ("foo", read(in, 4));
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}
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TEST(ostream_test, flush) {
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auto out = fmt::output_file("test-file");
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auto test_file = uniq_file_name(__LINE__);
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auto out = fmt::output_file(test_file);
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out.print("x");
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out.flush();
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auto in = fmt::file("test-file", file::RDONLY);
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auto in = fmt::file(test_file, file::RDONLY);
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EXPECT_READ(in, "x");
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}
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@ -303,10 +314,11 @@ TEST(file_test, default_ctor) {
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}
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TEST(file_test, open_buffered_file_in_ctor) {
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FILE* fp = safe_fopen("test-file", "w");
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auto test_file = uniq_file_name(__LINE__);
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FILE* fp = safe_fopen(test_file.c_str(), "w");
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std::fputs(file_content, fp);
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std::fclose(fp);
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file f("test-file", file::RDONLY);
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file f(test_file.c_str(), file::RDONLY);
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// Check if the file is open by reading one character from it.
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char buffer;
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bool isopen = FMT_POSIX(read(f.descriptor(), &buffer, 1)) == 1;
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@ -417,7 +429,8 @@ TEST(file_test, read) {
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}
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TEST(file_test, read_error) {
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file f("test-file", file::WRONLY);
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auto test_file = uniq_file_name(__LINE__);
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file f(test_file, file::WRONLY | file::CREATE);
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char buf;
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// We intentionally read from a file opened in the write-only mode to
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// cause error.
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@ -426,13 +439,15 @@ TEST(file_test, read_error) {
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TEST(file_test, write) {
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auto pipe = fmt::pipe();
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write(pipe.write_end, "test");
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auto test_file = uniq_file_name(__LINE__);
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write(pipe.write_end, test_file);
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pipe.write_end.close();
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EXPECT_READ(pipe.read_end, "test");
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EXPECT_READ(pipe.read_end, test_file);
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}
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TEST(file_test, write_error) {
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file f("test-file", file::RDONLY);
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auto test_file = uniq_file_name(__LINE__);
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file f(test_file, file::RDONLY | file::CREATE);
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// We intentionally write to a file opened in the read-only mode to
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// cause error.
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EXPECT_SYSTEM_ERROR(f.write(" ", 1), EBADF, "cannot write to file");
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