From 59cf2461459b064a2c45040e42af4371739e14ec Mon Sep 17 00:00:00 2001
From: tanelk <tanel.kiis@gmail.com>
Date: Mon, 18 Mar 2024 10:02:16 +0200
Subject: [PATCH] Tests for collinear edges

Signed-off-by: tanelk <tanel.kiis@gmail.com>
---
 .../operation/overlayarea/BaseOverlayAreaTest.java | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/modules/lab/src/test/java/org/locationtech/jts/operation/overlayarea/BaseOverlayAreaTest.java b/modules/lab/src/test/java/org/locationtech/jts/operation/overlayarea/BaseOverlayAreaTest.java
index fb21729a99..17550f30d5 100644
--- a/modules/lab/src/test/java/org/locationtech/jts/operation/overlayarea/BaseOverlayAreaTest.java
+++ b/modules/lab/src/test/java/org/locationtech/jts/operation/overlayarea/BaseOverlayAreaTest.java
@@ -128,6 +128,20 @@ public void testVertexIntersectionOnEdge2() {
             "POLYGON ((40 10, 20 30, 40 50, 50 30, 40 10))");
   }
 
+  public void testCollinearOverlappingEdgesPartial() {
+    checkIntersectionAreaSymmetric(
+        "POLYGON ((10 30, 30 30, 30 10, 10 10, 10 30))",
+        "POLYGON ((20 30, 40 30, 40 10, 20 10, 20 30))"
+    );
+  }
+
+  public void testCollinearOverlappingEdgesFull() {
+    checkIntersectionAreaSymmetric(
+        "POLYGON ((10 30, 50 30, 50 10, 10 10, 10 30))",
+        "POLYGON ((20 30, 40 30, 40 10, 20 10, 20 30))"
+    );
+  }
+
   protected final void checkIntersectionArea(String wktA, String wktB) {
     Geometry a = read(wktA);
     Geometry b = read(wktB);