diff options
| author |  Janak Ramakrishnan <janakr@google.com> | 2015-05-12 15:55:58 +0000 |
|---|---|---|
| committer |  Damien Martin-Guillerez <dmarting@google.com> | 2015-05-15 09:35:29 +0000 |
| commit | 5da9a0e2db3005f251e9db4dd429af2397d94668 (patch) | |
| tree | 91cd824798179a0abb25655738fe53da10d90a40 /src/main/java/com/google/devtools/build/lib/util/GroupedList.java | |
| parent | a7c9692dd14f0ee3e7a3b29f0602c2d8424b6bc8 (diff) | |
Add debugging for NPE in GroupedList#toSet.
--
MOS_MIGRATED_REVID=93417885
Diffstat (limited to 'src/main/java/com/google/devtools/build/lib/util/GroupedList.java')
| -rw-r--r-- | src/main/java/com/google/devtools/build/lib/util/GroupedList.java | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/util/GroupedList.java b/src/main/java/com/google/devtools/build/lib/util/GroupedList.java index 69ec97a62b..cac6a7a51d 100644 --- a/src/main/java/com/google/devtools/build/lib/util/GroupedList.java +++ b/src/main/java/com/google/devtools/build/lib/util/GroupedList.java @@ -227,7 +227,7 @@ public class GroupedList<T> implements Iterable<Iterable<T>> { case 0: return; case 1: - elements.add(Iterables.getOnlyElement(item)); + elements.add(Preconditions.checkNotNull(Iterables.getOnlyElement(item), elements)); return; default: elements.add(ImmutableList.copyOf(item)); @@ -254,7 +254,7 @@ public class GroupedList<T> implements Iterable<Iterable<T>> { * goes in a group of its own. */ public void add(E elt) { - Preconditions.checkState(elements.add(elt), "%s %s", elt, this); + Preconditions.checkState(elements.add(Preconditions.checkNotNull(elt)), "%s %s", elt, this); if (currentGroup == null) { groupedList.add(elt); } else { |