1 files changed, 152 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/src/tests/test_cursor_interrupt.cc b/storage/tokudb/PerconaFT/src/tests/test_cursor_interrupt.cc
new file mode 100644
index 00000000..0020c968
--- /dev/null
+++ b/storage/tokudb/PerconaFT/src/tests/test_cursor_interrupt.cc
@@ -0,0 +1,152 @@
+/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+// vim: expandtab:ts=8:sw=4:softtabstop=4:
+#ident "$Id$"
+/*======
+This file is part of PerconaFT.
+
+
+Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
+
+    PerconaFT is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License, version 2,
+    as published by the Free Software Foundation.
+
+    PerconaFT is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+    PerconaFT is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License, version 3,
+    as published by the Free Software Foundation.
+
+    PerconaFT is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+======= */
+
+#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
+
+#include "test.h"
+
+
+#include <stdio.h>
+
+#include <db.h>
+
+
+int num_interrupts_called;
+static bool interrupt(void* extra UU(), uint64_t rows UU()) {
+    num_interrupts_called++;
+    return false;
+}
+
+static bool interrupt_true(void* extra UU(), uint64_t rows UU()) {
+    num_interrupts_called++;
+    return true;
+}
+
+
+int
+test_main(int argc, char *const argv[]) {
+    parse_args(argc, argv);
+    DB_ENV *env;
+    DB *db;
+    int r;
+
+    toku_os_recursive_delete(TOKU_TEST_FILENAME);
+    r=toku_os_mkdir(TOKU_TEST_FILENAME, S_IRWXU+S_IRWXG+S_IRWXO);       assert(r==0);
+    r=db_env_create(&env, 0); assert(r==0);
+    r=env->open(env, TOKU_TEST_FILENAME, DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_TXN | DB_CREATE | DB_PRIVATE | DB_INIT_LOG, S_IRWXU+S_IRWXG+S_IRWXO); assert(r==0);
+
+    r = db_create(&db, env, 0);
+    CKERR(r);
+    r = db->set_readpagesize(db, 1024);
+    CKERR(r);
+    r = db->set_pagesize(db, 1024*10);
+    CKERR(r);
+
+    const char * const fname = "test.change_pagesize";
+    r = db->open(db, NULL, fname, "main", DB_BTREE, DB_CREATE, 0666);
+    CKERR(r);
+    DB_TXN* txn;
+    r = env->txn_begin(env, 0, &txn, 0);
+    CKERR(r);
+    for (uint64_t i = 0; i < 10000; i++) {
+        DBT key, val;
+        uint64_t k = i;
+        uint64_t v = i;
+        dbt_init(&key, &k, sizeof k);
+        dbt_init(&val, &v, sizeof v);
+        db->put(db, txn, &key, &val, DB_PRELOCKED_WRITE); // adding DB_PRELOCKED_WRITE just to make the test go faster
+    }
+    r = txn->commit(txn, 0);
+    CKERR(r);
+
+    // create a snapshot txn so that when we delete the elements
+    // we just inserted, that they do not get garbage collected away
+    DB_TXN* snapshot_txn;
+    r = env->txn_begin(env, 0, &snapshot_txn, DB_TXN_SNAPSHOT);
+    CKERR(r);
+
+    DB_TXN* delete_txn;
+    r = env->txn_begin(env, 0, &delete_txn, DB_TXN_SNAPSHOT);
+    CKERR(r);
+
+    for (uint64_t i = 0; i < 10000; i++) {
+        DBT key;
+        uint64_t k = i;
+        dbt_init(&key, &k, sizeof k);
+        db->del(db, delete_txn, &key, DB_PRELOCKED_WRITE | DB_DELETE_ANY); // adding DB_PRELOCKED_WRITE just to make the test go faster
+    }
+    r = delete_txn->commit(delete_txn, 0);
+    CKERR(r);
+
+    // to make more than one basement node in the dictionary's leaf nodes
+    r = env->txn_checkpoint(env, 0, 0, 0);
+    CKERR(r);
+
+    // create a txn that should see an empty dictionary
+    DB_TXN* test_txn;
+    r = env->txn_begin(env, 0, &test_txn, DB_TXN_SNAPSHOT);
+    CKERR(r);
+    DBC* cursor = NULL;
+    r = db->cursor(db, test_txn, &cursor, 0);
+    cursor->c_set_check_interrupt_callback(cursor, interrupt, NULL);
+    DBT key, val;
+    r = cursor->c_get(cursor, &key, &val, DB_NEXT);
+    CKERR2(r, DB_NOTFOUND);
+    assert(num_interrupts_called > 1);
+    num_interrupts_called = 0;
+    cursor->c_set_check_interrupt_callback(cursor, interrupt_true, NULL);
+    r = cursor->c_get(cursor, &key, &val, DB_NEXT);
+    CKERR2(r, TOKUDB_INTERRUPTED);
+    assert(num_interrupts_called == 1);
+
+    r = cursor->c_close(cursor);
+    CKERR(r);    
+    r = test_txn->commit(test_txn, 0);
+    CKERR(r);
+
+    
+    r = snapshot_txn->commit(snapshot_txn, 0);
+    CKERR(r);
+
+
+    r = db->close(db, 0);
+    CKERR(r);
+
+    r = env->close(env, 0);
+    assert(r == 0);
+
+    return 0;
+}