Optimize GC usage of iterating over all elements of GroupedLists when we don't care about the group structure, and simplify the logic for prefetching old deps.

PiperOrigin-RevId: 187681887

1 files changed, 6 insertions, 0 deletions

diff --git a/src/test/java/com/google/devtools/build/lib/util/GroupedListTest.java b/src/test/java/com/google/devtools/build/lib/util/GroupedListTest.java
index 63c99cca64..fd5938e82a 100644
--- a/src/test/java/com/google/devtools/build/lib/util/GroupedListTest.java
+++ b/src/test/java/com/google/devtools/build/lib/util/GroupedListTest.java
@@ -154,6 +154,9 @@ public class GroupedListTest {
     assertElementsEqual(compressed, allElts);
     assertElementsEqualInGroups(GroupedList.<String>create(compressed), elements);
     assertElementsEqualInGroups(groupedList, elements);
+    assertThat(groupedList.getAllElementsAsIterable())
+        .containsExactlyElementsIn(Iterables.concat(groupedList))
+        .inOrder();
   }
 
   @Test
@@ -186,6 +189,9 @@ public class GroupedListTest {
     elements.remove(1);
     assertElementsEqualInGroups(GroupedList.<String>create(compressed), elements);
     assertElementsEqualInGroups(groupedList, elements);
+    assertThat(groupedList.getAllElementsAsIterable())
+        .containsExactlyElementsIn(Iterables.concat(groupedList))
+        .inOrder();
   }
 
   @Test