test case. address #538

git-svn-id: file:///svn/tokudb@2821 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/test_cursor_2.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() {
+    if (verbose) printf("test_cursor\n");
+
+    DB_ENV * const null_env = 0;
+    DB *db;
+    DB_TXN * const null_txn = 0;
+    const char * const fname = ENVDIR "/" "test.cursor.brt";
+    int r;
+
+    unlink(fname);
+
+    /* create the dup database file */
+    r = db_create(&db, null_env, 0); assert(r == 0);
+    db->set_errfile(db,0); // Turn off those annoying errors
+    r = db->open(db, null_txn, fname, "main", DB_BTREE, DB_CREATE, 0666); assert(r == 0);
+
+    int i;
+    int n = 42;
+    for (i=0; i<n; i++) {
+        int k = htonl(i);
+        int v = htonl(i);
+        DBT key, val;
+        r = db->put(db, null_txn, dbt_init(&key, &k, sizeof k), dbt_init(&val, &v, sizeof v), 0);
+        assert(r == 0); 
+    }
+
+    int ncursors = 2;
+    DBC *cursor[ncursors];
+    r = db->cursor(db, null_txn, &cursor[0], 0); assert(r == 0);
+    r = db->cursor(db, null_txn, &cursor[1], 0); assert(r == 0);
+
+    DBT k0; memset(&k0, 0, sizeof k0);
+    DBT v0; memset(&v0, 0, sizeof v0);
+    r = cursor[0]->c_get(cursor[0], &k0, &v0, DB_FIRST); assert(r == 0);
+    printf("k0:%p:%d\n", k0.data, k0.size);
+    printf("v0:%p:%d\n", v0.data, v0.size);
+
+    DBT k1; memset(&k1, 0, sizeof k1);
+    DBT v1; memset(&v1, 0, sizeof v1);
+    r = cursor[1]->c_get(cursor[1], &k1, &v1, DB_FIRST); assert(r == 0);
+    printf("k1:%p:%d\n", k1.data, k1.size);
+    printf("v1:%p:%d\n", v1.data, v1.size);
+
+    r = cursor[0]->c_get(cursor[0], &k0, &v0, DB_NEXT); assert(r == 0);
+    printf("k0:%p:%d\n", k0.data, k0.size);
+    printf("v0:%p:%d\n", v0.data, v0.size);
+
+    r = cursor[0]->c_close(cursor[0]); assert(r == 0);
+    r = cursor[1]->c_close(cursor[1]); 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 " ENVDIR);
+    mkdir(ENVDIR, 0777);
+    
+    test_cursor();
+
+    return 0;
+}