Add Offset Curve test

locationtech · Dec 19, 2024 · 994f309 · 994f309
1 parent f1aaf7d
commit 994f309
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/modules/core/src/test/java/org/locationtech/jts/operation/buffer/OffsetCurveTest.java b/modules/core/src/test/java/org/locationtech/jts/operation/buffer/OffsetCurveTest.java
@@ -373,6 +373,15 @@ public void testMitreJoinSingleLine() {
     );
   }
 
+  // See https://github.com/libgeos/geos/issues/1037
+  public void testMitreJoinNegDistance() {
+    checkOffsetCurve(
+        "LINESTRING (0 0, 10 0, 10 10, 0 10, 0 0)", 
+        -1, 0, BufferParameters.JOIN_MITRE, 5,
+        "LINESTRING (-1 -1, 11 -1, 11 11, -1 11, -1 -1)"
+    );
+  }
+
   //=======================================
 
   private static final double EQUALS_TOL = 0.05;