Forgot to commit something. Addresses #27.

git-svn-id: file:///svn/tokudb@2422 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/test-brt-delete-both.c

+/* Check to see that delete_both works on both dup and nodup databases. *
+ * For recovery to work right, delete_both must work on both cases.
+ * Specifically, for a nodup database delete_both must not remove pairs unless
+ * they match both key and value.
+ */
+
+#include <unistd.h>
+
+#include "brt.h"
+#include "test.h"
+#include "toku_assert.h"
+
+static TOKUTXN const null_txn = 0;
+
+void doit (void) {
+    int r;
+    CACHETABLE ct;
+    BRT t;
+    char fname[] = __FILE__ ".tdb";
+    DBT k,v;
+    if (verbose) printf("%s\n", __FUNCTION__);
+    r = toku_brt_create_cachetable(&ct, 0, ZERO_LSN, NULL_LOGGER); assert(r==0);
+    unlink(fname);
+    r = toku_brt_create(&t); assert(r==0);
+    r = toku_brt_open(t, fname, fname, 0, 1, 1, 0, ct, null_txn, (DB*)0); assert(r==0);
+
+    r = toku_brt_insert(t, toku_fill_dbt(&k, "a", 2), toku_fill_dbt(&v, "x", 2), null_txn);
+    assert(r==0);
+
+    r = toku_brt_delete_both(t, toku_fill_dbt(&k, "a", 2), toku_fill_dbt(&v, "y", 2), null_txn);
+    assert(r==0);
+
+    r = toku_brt_lookup(t, toku_fill_dbt(&k, "a", 2), toku_init_dbt(&v));
+    assert(r==0);
+    assert(v.size==2 && strcmp(v.data, "x")==0);
+
+    r = toku_brt_delete_both(t, toku_fill_dbt(&k, "a", 2), toku_fill_dbt(&v, "x", 2), null_txn);
+    assert(r==0);
+    
+    r = toku_brt_lookup(t, toku_fill_dbt(&k, "a", 2), toku_init_dbt(&v));
+    assert(r==DB_NOTFOUND);
+
+    r = toku_close_brt(t);              assert(r==0);
+    r = toku_cachetable_close(&ct);     assert(r==0);
+}
+
+int main (int argc, const char *argv[]) {
+    default_parse_args(argc, argv);
+    doit();
+    if (verbose) printf("test ok\n");
+    return 0;
+}