Added tests in support of the file system infrastructure.

1 files changed, 59 insertions, 0 deletions

diff --git a/c/src/tests/psxtests/filesupp/test_write.c b/c/src/tests/psxtests/filesupp/test_write.c
new file mode 100644
index 0000000000..d6acd00f85
--- /dev/null
+++ b/c/src/tests/psxtests/filesupp/test_write.c
@@ -0,0 +1,59 @@
+/*
+ *  A test support function which performs a write() and
+ *  handles implied open(), lseek(), write(), and close() operations.
+ *
+ *  $Id$
+ */
+
+#include <stdio.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+
+#include <assert.h>
+
+/*
+ *  test_write routine
+ */
+
+void test_write(
+  char   *file,
+  off_t  offset,
+  char  *buffer
+)
+{
+  int   fd;
+  int   status;
+  int   length;
+
+
+  length = strlen( buffer );
+
+  fd = open( file, O_WRONLY );
+  if ( fd == -1 ) {
+    printf( "test_write: open( %s ) failed : %s\n", file, strerror( errno ) );
+    exit( 0 );
+  }
+
+  status = lseek( fd, offset, SEEK_SET );
+  assert( !status );
+
+  status = write( fd, buffer, length );
+  if ( status == -1 ) {
+    printf( "test_write: write( %s ) failed : %s\n", file, strerror( errno ) );
+    exit( 0 );
+  }
+
+  if ( status != length ) {
+    printf( "test_write: write( %s ) only wrote %d of %d bytes\n",
+            file, status, length );
+    exit( 0 );
+  }
+
+  status = close( fd );
+  assert( !status );
+}