commit 3feca682ad2432bd9399fa273c0cda614d851769
author Vitaly Buka <vitalybuka@google.com> Sat Nov 20 16:46:27 2021 -0800
committer Copybara-Service <copybara-worker@google.com> Tue Nov 23 17:01:07 2021 -0800
tree 352cdc7025c7681c4f9a787cd8d7d4b15d5c66e5
parent 20899e0f8767fee142c2e141f7ac3bf13b30a629

[NFC][sanitizer] Test for b80affb8a149

GitOrigin-RevId: 402a406323194e0eaecfb793416e8c7528befc29

lib/sanitizer_common/tests/sanitizer_stack_store_test.cpp

diff --git a/lib/sanitizer_common/tests/sanitizer_stack_store_test.cpp b/lib/sanitizer_common/tests/sanitizer_stack_store_test.cpp
index 3a2db14..c7cb041 100644
--- a/lib/sanitizer_common/tests/sanitizer_stack_store_test.cpp
+++ b/lib/sanitizer_common/tests/sanitizer_stack_store_test.cpp
@@ -33,6 +33,8 @@
       h.add(i);
       uptr tag = h.get() % 256;
       StackTrace s(frames.data(), size, tag);
+      if (!s.size && !s.tag)
+        continue;
       fn(s);
       std::next_permutation(frames.begin(), frames.end());
     };
@@ -41,6 +43,13 @@
   StackStore store_ = {};
 };
 
+TEST_F(StackStoreTest, Empty) {
+  uptr before = store_.Allocated();
+  EXPECT_EQ(0u, store_.Store({}));
+  uptr after = store_.Allocated();
+  EXPECT_EQ(before, after);
+}
+
 TEST_F(StackStoreTest, Basic) {
   std::vector<StackStore::Id> ids;
   ForEachTrace([&](const StackTrace& s) { ids.push_back(store_.Store(s)); });