[t:4838] first push the test that exposes 4838

git-svn-id: file:///svn/toku/tokudb@44776 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/test_locktree_close.c

+/* -*- mode: C; c-basic-offset: 4 -*- */
+#ident "Copyright (c) 2007 Tokutek Inc.  All rights reserved."
+#include "test.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <unistd.h>
+#include <memory.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <db.h>
+
+
+static void
+test_cursor (void) {
+    if (verbose) printf("test_cursor\n");
+
+    DB_ENV * env;
+    DB *db;
+    DB_TXN * const null_txn = 0;
+    const char * const fname = "test.cursor.brt";
+    int r;
+
+    /* create the dup database file */
+    r = db_env_create(&env, 0);        assert(r == 0);
+    env->set_errfile(env, stderr);
+    r = env->open(env, ENVDIR, DB_INIT_TXN | DB_INIT_LOCK |DB_CREATE|DB_INIT_MPOOL|DB_THREAD|DB_PRIVATE, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r);
+    r = db_create(&db, env, 0); CKERR(r);
+    db->set_errfile(db,stderr); // Turn off those annoying errors
+    r = db->open(db, null_txn, fname, "main", DB_BTREE, DB_CREATE, 0666); assert(r == 0);
+
+    DBC* cursor;
+    DBT k0; memset(&k0, 0, sizeof k0);
+    DBT v0; memset(&v0, 0, sizeof v0);
+    DB_TXN* txn = NULL;
+    r = env->txn_begin(env, NULL, &txn, DB_SERIALIZABLE); CKERR(r);
+    r = db->cursor(db, txn, &cursor, 0); CKERR(r);
+    r = cursor->c_pre_acquire_range_lock(
+        cursor, 
+        db->dbt_neg_infty(), 
+        db->dbt_pos_infty()
+        );
+    r = cursor->c_close(cursor); CKERR(r);
+    r = db->close(db, 0); CKERR(r);
+
+    r = db_create(&db, env, 0); CKERR(r);
+    r = db->open(db, null_txn, fname, "main", DB_BTREE, DB_THREAD, 0666); assert(r == 0);
+    DB_TXN* txn2 = NULL;
+    env->txn_begin(env, NULL, &txn2, DB_SERIALIZABLE);
+    int k = htonl(1);
+    int v = htonl(1);
+    DBT key, val;
+    // #4838 will improperly allow this put to succeed, whereas we should
+    // be returning DB_LOCK_NOTGRANTED
+    r = db->put(db, txn2, dbt_init(&key, &k, sizeof k), dbt_init(&val, &v, sizeof v), 0);
+    CKERR2(r, DB_LOCK_NOTGRANTED); 
+
+    r = txn->commit(txn, 0);
+    r = txn2->commit(txn2, 0);
+
+    r = db->close(db, 0); CKERR(r);
+    r = env->close(env, 0); assert(r == 0);
+}
+
+int
+test_main(int argc, char *const argv[]) {
+
+    parse_args(argc, argv);
+  
+    int r;
+    r = system("rm -rf " ENVDIR);
+    CKERR(r);
+    toku_os_mkdir(ENVDIR, S_IRWXU+S_IRWXG+S_IRWXO);
+    
+    test_cursor();
+
+    return 0;
+}