1 files changed, 102 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/ft/tests/cachetable-cleaner-thread-nothing-needs-flushing.cc b/storage/tokudb/PerconaFT/ft/tests/cachetable-cleaner-thread-nothing-needs-flushing.cc
new file mode 100644
index 00000000..1dd2a8e0
--- /dev/null
+++ b/storage/tokudb/PerconaFT/ft/tests/cachetable-cleaner-thread-nothing-needs-flushing.cc
@@ -0,0 +1,102 @@
+/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+// vim: ft=cpp: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"
+
+//
+// This test verifies that the cleaner thread doesn't call the callback if
+// nothing needs flushing.
+//
+
+static UU() int
+everything_pinned_cleaner_callback(
+    void* UU(ftnode_pv),
+    BLOCKNUM UU(blocknum),
+    uint32_t UU(fullhash),
+    void* UU(extraargs)
+    )
+{
+    assert(false);  // everything is pinned so this should never be called
+    return 0;
+}
+
+static void
+run_test (void) {
+    const int test_limit = 1000;
+    int r;
+    CACHETABLE ct;
+    toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
+    toku_set_cleaner_period(ct, 1);
+
+    const char *fname1 = TOKU_TEST_FILENAME;
+    unlink(fname1);
+    CACHEFILE f1;
+    r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
+    
+    void* vs[8];
+    for (int i = 0; i < 8; ++i) {
+        CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
+        wc.cleaner_callback = everything_pinned_cleaner_callback;
+        r = toku_cachetable_get_and_pin(f1, make_blocknum(i+1), i+1, &vs[i],
+                                        wc,
+                                        def_fetch,
+                                        def_pf_req_callback,
+                                        def_pf_callback,
+                                        true, 
+                                        NULL);
+        assert_zero(r);
+        // set cachepressure_size to 0
+        PAIR_ATTR attr = make_pair_attr(8);
+        attr.cache_pressure_size = 0;
+        r = toku_test_cachetable_unpin(f1, make_blocknum(i+1), i+1, CACHETABLE_CLEAN, attr);
+        assert_zero(r);
+    }
+
+    usleep(4000000);
+
+    toku_cachetable_verify(ct);
+    toku_cachefile_close(&f1, false, ZERO_LSN);
+    toku_cachetable_close(&ct);
+}
+
+int
+test_main(int argc, const char *argv[]) {
+  default_parse_args(argc, argv);
+  run_test();
+  return 0;
+}