From: Samuel Just <sjust@redhat.com>
Date: Mon, 19 Oct 2020 21:11:31 +0000 (-0700)
Subject: test/crimson/seastore/test_transaction_manager: add test for large single-transaction... 
X-Git-Tag: v16.1.0~807^2~5
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=0f5b5d0043cb15b909b1c8fdaec7948c9d2195c1;p=ceph.git

test/crimson/seastore/test_transaction_manager: add test for large single-transaction split/merge

Signed-off-by: Samuel Just <sjust@redhat.com>
---

diff --git a/src/test/crimson/seastore/test_transaction_manager.cc b/src/test/crimson/seastore/test_transaction_manager.cc
index a1548cfa9dee..f561cacff18b 100644
--- a/src/test/crimson/seastore/test_transaction_manager.cc
+++ b/src/test/crimson/seastore/test_transaction_manager.cc
@@ -359,6 +359,37 @@ TEST_F(transaction_manager_test_t, create_remove_same_transaction)
   });
 }
 
+TEST_F(transaction_manager_test_t, split_merge_read_same_transaction)
+{
+  constexpr laddr_t SIZE = 4096;
+  run_async([this] {
+    {
+      auto t = create_transaction();
+      for (unsigned i = 0; i < 300; ++i) {
+	auto extent = alloc_extent(
+	  t,
+	  laddr_t(i * SIZE),
+	  SIZE);
+      }
+      check_mappings(t);
+      submit_transaction(std::move(t));
+      check();
+    }
+    {
+      auto t = create_transaction();
+      for (unsigned i = 0; i < 240; ++i) {
+	dec_ref(
+	  t,
+	  laddr_t(i * SIZE));
+      }
+      check_mappings(t);
+      submit_transaction(std::move(t));
+      check();
+    }
+  });
+}
+
+
 TEST_F(transaction_manager_test_t, inc_dec_ref)
 {
   constexpr laddr_t SIZE = 4096;