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commit 1a8f109b6bfc073dc81bf4ea63a3b0878aa70360 Author: Eerik Voimanen <[email protected]> AuthorDate: Wed Apr 7 16:39:32 2021 +0300 GROOVY-9649: Fix IntRange size being negative on some occasions --- src/main/java/groovy/lang/IntRange.java | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/main/java/groovy/lang/IntRange.java b/src/main/java/groovy/lang/IntRange.java index c11fd94..7a701ad 100644 --- a/src/main/java/groovy/lang/IntRange.java +++ b/src/main/java/groovy/lang/IntRange.java @@ -362,7 +362,8 @@ public class IntRange extends AbstractList<Integer> implements Range<Integer>, S @Override public int size() { - return getTo() - getFrom() + 1; + // If fully exclusive and borders are one apart, the size would be negative, take that into account + return Math.max(getTo() - getFrom() + 1, 0); } @Override
