Report more of the static memory usage for datastores.

1 files changed, 5 insertions, 0 deletions

diff --git a/vespalib/src/tests/btree/btree_test.cpp b/vespalib/src/tests/btree/btree_test.cpp
index 2a465f2c60a..ef64549e16a 100644
--- a/vespalib/src/tests/btree/btree_test.cpp
+++ b/vespalib/src/tests/btree/btree_test.cpp
@@ -1064,6 +1064,7 @@ adjustAllocatedBytes(size_t nodeCount, size_t nodeSize)
 
 TEST_F(BTreeTest, require_that_memory_usage_is_calculated)
 {
+    constexpr size_t BASE = 163912;
     typedef BTreeNodeAllocator<int32_t, int8_t,
         btree::NoAggregated,
         MyTraits::INTERNAL_SLOTS, MyTraits::LEAF_SLOTS> NodeAllocator;
@@ -1082,6 +1083,8 @@ TEST_F(BTreeTest, require_that_memory_usage_is_calculated)
     const uint32_t initialLeafNodes = 128u;
     mu.incAllocatedBytes(adjustAllocatedBytes(initialInternalNodes, sizeof(INode)));
     mu.incAllocatedBytes(adjustAllocatedBytes(initialLeafNodes, sizeof(LNode)));
+    mu.incAllocatedBytes(BASE);
+    mu.incUsedBytes(BASE);
     mu.incUsedBytes(sizeof(INode));
     mu.incDeadBytes(sizeof(INode));
     EXPECT_TRUE(assertMemoryUsage(mu, tm.getMemoryUsage()));
@@ -1112,6 +1115,8 @@ TEST_F(BTreeTest, require_that_memory_usage_is_calculated)
     mu = vespalib::MemoryUsage();
     mu.incAllocatedBytes(adjustAllocatedBytes(initialInternalNodes, sizeof(INode)));
     mu.incAllocatedBytes(adjustAllocatedBytes(initialLeafNodes, sizeof(LNode)));
+    mu.incAllocatedBytes(BASE);
+    mu.incUsedBytes(BASE);
     mu.incUsedBytes(sizeof(INode) * 2);
     mu.incDeadBytes(sizeof(INode) * 2);
     mu.incUsedBytes(sizeof(LNode));