From: Eric Pouech epouech@codeweavers.com
Signed-off-by: Eric Pouech epouech@codeweavers.com --- dlls/ucrtbase/tests/Makefile.in | 1 + dlls/ucrtbase/tests/file.c | 88 +++++++++++++++++++++++++++++++++ 2 files changed, 89 insertions(+) create mode 100644 dlls/ucrtbase/tests/file.c
diff --git a/dlls/ucrtbase/tests/Makefile.in b/dlls/ucrtbase/tests/Makefile.in index cd01a3aacb9..ea9e589113c 100644 --- a/dlls/ucrtbase/tests/Makefile.in +++ b/dlls/ucrtbase/tests/Makefile.in @@ -5,6 +5,7 @@ EXTRADEFS = -fno-builtin SOURCES = \ cpp.c \ environ.c \ + file.c \ misc.c \ printf.c \ scanf.c \ diff --git a/dlls/ucrtbase/tests/file.c b/dlls/ucrtbase/tests/file.c new file mode 100644 index 00000000000..4671e641dbe --- /dev/null +++ b/dlls/ucrtbase/tests/file.c @@ -0,0 +1,88 @@ +/* + * Unit test suite for file functions + * + * Copyright 2024 Eric Pouech for CodeWeavers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#include "wine/test.h" + +static void test_std_stream_buffering(void) +{ + int dup_fd, ret, pos; + FILE *file; + char ch; + + dup_fd = _dup(STDOUT_FILENO); + ok(dup_fd != -1, "_dup failed\n"); + + file = freopen("std_stream_test.tmp", "w", stdout); + ok(file != NULL, "freopen failed\n"); + + ret = fprintf(stdout, "test"); + pos = _telli64(STDOUT_FILENO); + + fflush(stdout); + _dup2(dup_fd, STDOUT_FILENO); + close(dup_fd); + setvbuf(stdout, NULL, _IONBF, 0); + + ok(ret == 4, "fprintf(stdout) returned %d\n", ret); + ok(!pos, "expected stdout to be buffered\n"); + + dup_fd = _dup(STDERR_FILENO); + ok(dup_fd != -1, "_dup failed\n"); + + file = freopen("std_stream_test.tmp", "w", stderr); + ok(file != NULL, "freopen failed\n"); + + ret = fprintf(stderr, "test"); + ok(ret == 4, "fprintf(stderr) returned %d\n", ret); + pos = _telli64(STDERR_FILENO); + if (broken(!GetProcAddress(GetModuleHandleA("ucrtbase"), "__CxxFrameHandler4") && !pos)) + trace("stderr is buffered\n"); + else + todo_wine + ok(pos == 4, "expected stderr to be unbuffered (%d)\n", pos); + + fflush(stderr); + _dup2(dup_fd, STDERR_FILENO); + close(dup_fd); + + dup_fd = _dup(STDIN_FILENO); + ok(dup_fd != -1, "_dup failed\n"); + + file = freopen("std_stream_test.tmp", "r", stdin); + ok(file != NULL, "freopen failed\n"); + + ch = 0; + ret = fscanf(stdin, "%c", &ch); + ok(ret == 1, "fscanf returned %d\n", ret); + ok(ch == 't', "ch = 0x%x\n", (unsigned char)ch); + pos = _telli64(STDIN_FILENO); + ok(pos == 4, "pos = %d\n", pos); + + fflush(stdin); + _dup2(dup_fd, STDIN_FILENO); + close(dup_fd); + + ok(DeleteFileA("std_stream_test.tmp"), "DeleteFile failed\n"); +} + +START_TEST(file) +{ + test_std_stream_buffering(); +}