From: Sage Weil <sage@redhat.com>
Date: Tue, 20 Jun 2017 03:24:36 +0000 (-0400)
Subject: unittest_bufferlist: test page_aligned_appender
X-Git-Tag: v12.1.0~34^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F15728%2Fhead;p=ceph.git

unittest_bufferlist: test page_aligned_appender

Signed-off-by: Sage Weil <sage@redhat.com>
---

diff --git a/src/test/bufferlist.cc b/src/test/bufferlist.cc
index 983b4ef750c..53d66a036c8 100644
--- a/src/test/bufferlist.cc
+++ b/src/test/bufferlist.cc
@@ -1703,6 +1703,33 @@ TEST(BufferList, is_n_page_sized) {
   }
 }
 
+TEST(BufferList, page_aligned_appender) {
+  bufferlist bl;
+  auto a = bl.get_page_aligned_appender(5);
+  a.append("asdf", 4);
+  a.flush();
+  cout << bl << std::endl;
+  ASSERT_EQ(1u, bl.get_num_buffers());
+  a.append("asdf", 4);
+  for (unsigned n = 0; n < 3 * CEPH_PAGE_SIZE; ++n) {
+    a.append("x", 1);
+  }
+  a.flush();
+  cout << bl << std::endl;
+  ASSERT_EQ(1u, bl.get_num_buffers());
+  for (unsigned n = 0; n < 3 * CEPH_PAGE_SIZE; ++n) {
+    a.append("y", 1);
+  }
+  a.flush();
+  cout << bl << std::endl;
+  ASSERT_EQ(2u, bl.get_num_buffers());
+  for (unsigned n = 0; n < 10 * CEPH_PAGE_SIZE; ++n) {
+    a.append("asdfasdfasdf", 1);
+  }
+  a.flush();
+  cout << bl << std::endl;
+}
+
 TEST(BufferList, rebuild_aligned_size_and_memory) {
   const unsigned SIMD_ALIGN = 32;
   const unsigned BUFFER_SIZE = 67;