From: Sage Weil <sage@redhat.com>
Date: Thu, 4 May 2017 13:11:13 +0000 (-0500)
Subject: unittest_alloc: add test_alloc_big
X-Git-Tag: v12.0.3~96^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=e61d9e4ada418404571f216a84fa4ed237104476;p=ceph.git

unittest_alloc: add test_alloc_big

Ensure that big allocations work.

Verifies http://tracker.ceph.com/issues/16662

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

diff --git a/src/test/objectstore/Allocator_test.cc b/src/test/objectstore/Allocator_test.cc
index 3a4082659629..65f8e47bd086 100644
--- a/src/test/objectstore/Allocator_test.cc
+++ b/src/test/objectstore/Allocator_test.cc
@@ -200,6 +200,22 @@ TEST_P(AllocTest, test_alloc_failure)
   }
 }
 
+TEST_P(AllocTest, test_alloc_big)
+{
+  int64_t block_size = 4096;
+  int64_t blocks = 104857600;
+  int64_t mas = 4096;
+  init_alloc(blocks*block_size, block_size);
+  alloc->init_add_free(2*block_size, (blocks-2)*block_size);
+  for (int64_t big = mas; big < 1048576*128; big*=2) {
+    cout << big << std::endl;
+    EXPECT_EQ(alloc->reserve(big), 0);
+    AllocExtentVector extents;
+    EXPECT_EQ(big,
+	      alloc->allocate(big, mas, 0, &extents));
+  }
+}
+
 TEST_P(AllocTest, test_alloc_hint_bmap)
 {
   if (GetParam() == std::string("stupid")) {