refs[t:2445] test the toku_fsync_directory function. verify with strace by hand.

git-svn-id: file:///svn/toku/tokudb@20826 c7de825b-a66e-492c-adef-691d508d4ae1

linux/tests/test-fsync-directory.c

+// use strace to very that the toku_fsync_directory function works
+
+#include "test.h"
+#include <stdlib.h>
+#include <string.h>
+
+#define ENVDIR "dir." __FILE__
+
+static int verbose = 0;
+
+int test_main(int argc, char *const argv[]) {
+    int r;
+
+    for (int i=1; i<argc; i++) {
+        if (strcmp(argv[i], "-v") == 0) {
+            if (verbose < 0) verbose = 0;
+            verbose++;
+            continue;
+        } else if (strcmp(argv[i], "-q") == 0) {
+            verbose = 0;
+            continue;
+        } else {
+            exit(1);
+        }
+    }
+
+    r = system("rm -rf " ENVDIR);
+    CKERR(r);
+    r = toku_os_mkdir(ENVDIR, S_IRWXU+S_IRWXG+S_IRWXO);
+    CKERR(r);
+    r = toku_os_mkdir(ENVDIR "/test", S_IRWXU+S_IRWXG+S_IRWXO);
+    CKERR(r);
+
+    r = toku_fsync_directory(""); CKERR(r);
+    r = toku_fsync_directory("."); CKERR(r);
+    r = toku_fsync_directory(ENVDIR "/test/a"); CKERR(r);
+    r = toku_fsync_directory("./" ENVDIR "/test/a"); CKERR(r);
+    r = toku_fsync_directory("/tmp/x"); CKERR(r);
+
+    return 0;
+}