1 files changed, 124 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/ft/tests/cachetable-clone-pin-nonblocking.cc b/storage/tokudb/PerconaFT/ft/tests/cachetable-clone-pin-nonblocking.cc
new file mode 100644
index 00000000..81c6cecc
--- /dev/null
+++ b/storage/tokudb/PerconaFT/ft/tests/cachetable-clone-pin-nonblocking.cc
@@ -0,0 +1,124 @@
+/* -*- 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"
+#include "cachetable-test.h"
+
+
+static void 
+clone_callback(void* UU(value_data), void** cloned_value_data, long* clone_size, PAIR_ATTR* new_attr, bool UU(for_checkpoint), void* UU(write_extraargs))
+{
+    *cloned_value_data = (void *)1;
+    *clone_size = 8;
+    new_attr->is_valid = false;
+}
+
+static void
+flush (
+    CACHEFILE f __attribute__((__unused__)),
+    int UU(fd),
+    CACHEKEY k  __attribute__((__unused__)),
+    void *v     __attribute__((__unused__)),
+    void** UU(dd),
+    void *e     __attribute__((__unused__)),
+    PAIR_ATTR s      __attribute__((__unused__)),
+    PAIR_ATTR* new_size      __attribute__((__unused__)),
+    bool w      __attribute__((__unused__)),
+    bool keep   __attribute__((__unused__)),
+    bool c      __attribute__((__unused__)),
+    bool UU(is_clone)
+    ) 
+{  
+}
+
+
+// this test verifies that a partial fetch will wait for a cloned pair to complete
+// writing to disk
+static void
+cachetable_test (enum cachetable_dirty dirty, bool cloneable) {
+    const int test_limit = 12;
+    int r;
+    CACHETABLE ct;
+    toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
+    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);
+    create_dummy_functions(f1);
+
+    void* v1;
+    CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
+    wc.clone_callback = cloneable ? clone_callback : NULL;
+    wc.flush_callback = flush;
+    
+    r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, true, NULL);
+    r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, dirty, make_pair_attr(8));
+
+    // test that having a pin that passes false for may_modify_value does not stall behind checkpoint
+    CHECKPOINTER cp = toku_cachetable_get_checkpointer(ct);
+    toku_cachetable_begin_checkpoint(cp, NULL);
+    r = toku_cachetable_get_and_pin_nonblocking(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, PL_READ, NULL, NULL);
+    assert(r == 0);
+    r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
+    assert(r == 0);
+
+    r = toku_cachetable_get_and_pin_nonblocking(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, PL_WRITE_EXPENSIVE, NULL, NULL);
+    assert(r == 0);
+    r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
+
+    toku_cachetable_end_checkpoint(
+        cp, 
+        NULL, 
+        NULL,
+        NULL
+        );
+
+    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);
+  cachetable_test(CACHETABLE_DIRTY, true);
+  cachetable_test(CACHETABLE_DIRTY, false);
+  cachetable_test(CACHETABLE_CLEAN, true);
+  cachetable_test(CACHETABLE_CLEAN, false);
+  return 0;
+}