test flags param in db->cursor. addresses #89

git-svn-id: file:///svn/tokudb@1115 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/test_cursor_flags.c

+/* -*- mode: C; c-basic-offset: 4 -*- */
+#ident "Copyright (c) 2007 Tokutek Inc.  All rights reserved."
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <arpa/inet.h>
+#include <db.h>
+
+#include "test.h"
+
+void test_cursor_flags(int cursor_flags, int expectr) {
+    if (verbose) printf("test_cursor_flags:%d %d\n", cursor_flags, expectr);
+
+    DB_ENV * const null_env = 0;
+    DB *db;
+    DB_TXN * const null_txn = 0;
+    const char * const fname = DIR "/" "test.cursor.delete.brt";
+    int r;
+
+    unlink(fname);
+
+    r = db_create(&db, null_env, 0); assert(r == 0);
+    r = db->open(db, null_txn, fname, "main", DB_BTREE, DB_CREATE, 0666); assert(r == 0);
+
+    DBC *cursor;
+    r = db->cursor(db, null_txn, &cursor, cursor_flags);
+    assert(r == expectr);
+
+    if (r == 0) {
+        r = cursor->c_close(cursor); assert(r == 0);
+    }
+
+    r = db->close(db, 0); assert(r == 0);
+}
+
+int main(int argc, const char *argv[]) {
+
+    parse_args(argc, argv);
+  
+    system("rm -rf " DIR);
+    mkdir(DIR, 0777);
+    
+    test_cursor_flags(0, 0);
+    test_cursor_flags(~0, EINVAL);
+
+    return 0;
+}

src/ydb.c

@@ -937,7 +937,8 @@ static int toku_c_del(DBC * c, u_int32_t flags) {
 }
 
 static int toku_db_cursor(DB * db, DB_TXN * txn, DBC ** c, u_int32_t flags) {
-    flags=flags;
+    if (flags != 0)
+        return EINVAL;
     DBC *MALLOC(result);
     if (result == 0)
         return ENOMEM;