[PATCH 1/2] msvcrt/tests: Add tests for _creat.

[Lauri Kenttä]

Signed-off-by: Lauri Kenttä <lauri.kentta at gmail.com>
---
 dlls/msvcrt/tests/file.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/dlls/msvcrt/tests/file.c b/dlls/msvcrt/tests/file.c
index 9e2beee27e..82ba16f2f4 100644
--- a/dlls/msvcrt/tests/file.c
+++ b/dlls/msvcrt/tests/file.c
@@ -2386,6 +2386,51 @@ static void test_close(void)
     DeleteFileA( "fdopen.tst" );
 }
 
+static void test__creat(void)
+{
+    int fd, pos, count, readonly, old_fmode = _fmode;
+    char buf[6], testdata[4] = {'a', '\n', 'b', '\n'};
+
+    _fmode = _O_TEXT;
+    fd = _creat("_creat.tst", 0);
+    ok(fd > 0, "_creat failed\n");
+    _write(fd, testdata, 4);
+    pos = _tell(fd);
+    ok(pos == 6, "expected pos 6 (text mode), got %d\n", pos);
+    ok(_lseek(fd, SEEK_SET, 0) == 0, "_lseek failed\n");
+    count = _read(fd, buf, 6);
+todo_wine
+    ok(count == 4, "_read returned %d, expected 4\n", count);
+    count = count > 0 ? count > 4 ? 4 : count : 0;
+    ok(memcmp(buf, testdata, count) == 0, "_read returned wrong contents\n");
+    _close(fd);
+    readonly = GetFileAttributesA("_creat.tst") & FILE_ATTRIBUTE_READONLY;
+    ok(readonly, "expected read-only file\n");
+    SetFileAttributesA("_creat.tst", FILE_ATTRIBUTE_NORMAL);
+    DeleteFileA("_creat.tst");
+
+    _fmode = _O_BINARY;
+    fd = _creat("_creat.tst", _S_IREAD | _S_IWRITE);
+    ok(fd > 0, "_creat failed\n");
+    _write(fd, testdata, 4);
+    pos = _tell(fd);
+    ok(pos == 4, "expected pos 4 (binary mode), got %d\n", pos);
+    ok(_lseek(fd, SEEK_SET, 0) == 0, "_lseek failed\n");
+    count = _read(fd, buf, 6);
+todo_wine
+    ok(count == 4, "_read returned %d, expected 4\n", count);
+    count = count > 0 ? count > 4 ? 4 : count : 0;
+    ok(memcmp(buf, testdata, count) == 0, "_read returned wrong contents\n");
+    _close(fd);
+    readonly = GetFileAttributesA("_creat.tst") & FILE_ATTRIBUTE_READONLY;
+todo_wine
+    ok(!readonly, "expected rw file\n");
+    SetFileAttributesA("_creat.tst", FILE_ATTRIBUTE_NORMAL);
+    DeleteFileA("_creat.tst");
+
+    _fmode = old_fmode;
+}
+
 START_TEST(file)
 {
     int arg_c;
@@ -2453,6 +2498,7 @@ START_TEST(file)
     test__open_osfhandle();
     test_write_flush();
     test_close();
+    test__creat();
 
     /* Wait for the (_P_NOWAIT) spawned processes to finish to make sure the report
      * file contains lines in the correct order
-- 
2.11.1