From: Shengdun Wang uwgghhbcad@gmail.com
--- dlls/ucrtbase/tests/file.c | 47 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+)
diff --git a/dlls/ucrtbase/tests/file.c b/dlls/ucrtbase/tests/file.c index 76233be3fa7..a3b35b4c4ea 100644 --- a/dlls/ucrtbase/tests/file.c +++ b/dlls/ucrtbase/tests/file.c @@ -81,7 +81,54 @@ static void test_std_stream_buffering(void) ok(DeleteFileA("std_stream_test.tmp"), "DeleteFile failed\n"); }
+static void test_iobuf_layout(void) +{ + union + { + FILE *f; + struct + { + char* _ptr; + char* _base; + int _cnt; + int _flag; + int _file; + int _charbuf; + int _bufsiz; + char* _tmpfname; + CRITICAL_SECTION _crit; + } *iobuf; + } fp; + char *tempf, *ptr; + int cnt, r; + + tempf = _tempnam(".","wne"); + fp.f = fopen(tempf, "wb"); + ok(fp.f != NULL, "fopen failed with error: %d\n", errno); + + ok(!(fp.iobuf->_flag & 0x40), "fp.iobuf->_flag = %x\n", fp.iobuf->_flag); + r = fprintf(fp.f, "%s", "init"); + ok(r == 4, "fprintf returned %d\n", r); + todo_wine ok(fp.iobuf->_flag & 0x40, "fp.iobuf->_flag = %x\n", fp.iobuf->_flag); + todo_wine ok(fp.iobuf->_cnt + 4 == fp.iobuf->_bufsiz, "_cnt = %d, _bufsiz = %d\n", + fp.iobuf->_cnt, fp.iobuf->_bufsiz); + + ptr = fp.iobuf->_ptr; + cnt = fp.iobuf->_cnt; + r = fprintf(fp.f, "%s", "hello"); + ok(r == 5, "fprintf returned %d\n", r); + ok(ptr + 5 == fp.iobuf->_ptr, "fp.iobuf->_ptr = %p, expected %p\n", fp.iobuf->_ptr, ptr + 5); + todo_wine ok(cnt - 5 == fp.iobuf->_cnt, "fp.iobuf->_cnt = %d, expected %d\n", fp.iobuf->_cnt, cnt - 5); + todo_wine ok(fp.iobuf->_ptr + fp.iobuf->_cnt == fp.iobuf->_base + fp.iobuf->_bufsiz, + "_ptr = %p, _cnt = %d, _base = %p, _bufsiz = %d\n", + fp.iobuf->_ptr, fp.iobuf->_cnt, fp.iobuf->_base, fp.iobuf->_bufsiz); + + fclose(fp.f); + unlink(tempf); +} + START_TEST(file) { test_std_stream_buffering(); + test_iobuf_layout(); }