Track memory usage of LogDataStore

1 files changed, 8 insertions, 0 deletions

diff --git a/searchlib/src/tests/docstore/logdatastore/logdatastore_test.cpp b/searchlib/src/tests/docstore/logdatastore/logdatastore_test.cpp
index 580fd199806..ba7508f9b60 100644
--- a/searchlib/src/tests/docstore/logdatastore/logdatastore_test.cpp
+++ b/searchlib/src/tests/docstore/logdatastore/logdatastore_test.cpp
@@ -1010,6 +1010,14 @@ TEST_F("require that lid space can be increased after being compacted and then s
     TEST_DO(f.assertContent({1,2}, 3));
 }
 
+TEST_F("require that there is control of static memory usage", Fixture)
+{
+    vespalib::MemoryUsage usage = f.store.getMemoryUsage();
+    EXPECT_EQUAL(584u, sizeof(LogDataStore));
+    EXPECT_EQUAL(2892160u, usage.allocatedBytes());
+    EXPECT_EQUAL(262536u, usage.usedBytes());
+}
+
 TEST_F("require that lid space can be shrunk only after read guards are deleted", Fixture)
 {
     f.write(1).write(2);