From 414f81bdd8fa59944f79d86b9ca7c03d1e4080f4 Mon Sep 17 00:00:00 2001
From: Henning Baldersheim <balder@yahoo-inc.com>
Date: Thu, 9 Mar 2023 14:10:14 +0000
Subject: Report more of the static memory usage for datastores.

---
 vespalib/src/tests/btree/btree_test.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'vespalib/src/tests/btree')

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));
-- 
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