Add RelateGeometry unit test

modules/core/src/test/java/org/locationtech/jts/operation/relateng/RelateGeometryTest.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2024 Martin Davis.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * and Eclipse Distribution License v. 1.0 which accompanies this distribution.
+ * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v20.html
+ * and the Eclipse Distribution License is available at
+ *
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ */
+package org.locationtech.jts.operation.relateng;
+
+import java.util.Set;
+
+import org.locationtech.jts.geom.Coordinate;
+import org.locationtech.jts.geom.Geometry;
+
+import junit.textui.TestRunner;
+import test.jts.GeometryTestCase;
+
+public class RelateGeometryTest extends GeometryTestCase {
+
+  public static void main(String args[]) {
+    TestRunner.run(RelateGeometryTest.class);
+  }
+
+  public RelateGeometryTest(String name) {
+    super(name);
+  }
+
+  public void testUniquePoints() {
+    Geometry geom = read("MULTIPOINT ((0 0), (5 5), (5 0), (0 0))");
+    RelateGeometry rgeom = new RelateGeometry(geom);
+    Set<Coordinate> pts = rgeom.getUniquePoints();
+    assertEquals("Unique pts size", 3, pts.size());
+  }
+
+  public void testBoundary() {
+    Geometry geom = read("MULTILINESTRING ((0 0, 9 9), (9 9, 5 1))");
+    RelateGeometry rgeom = new RelateGeometry(geom);
+    assertTrue("hasBoundary", rgeom.hasBoundary());
+  }
+
+  public void testHasDimension() {
+    Geometry geom = read("GEOMETRYCOLLECTION (POLYGON ((1 9, 5 9, 5 5, 1 5, 1 9)), LINESTRING (1 1, 5 4), POINT (6 5))");
+    RelateGeometry rgeom = new RelateGeometry(geom);
+    assertTrue("hasDimension 0", rgeom.hasDimension(0));
+    assertTrue("hasDimension 1", rgeom.hasDimension(1));
+    assertTrue("hasDimension 2", rgeom.hasDimension(2));
+  }
+
+  public void testDimension() {
+    checkDimension("POINT (0 0)", 0, 0);
+    checkDimension("LINESTRING (0 0, 0 0)", 1, 0);
+    checkDimension("LINESTRING (0 0, 9 9)", 1, 1);
+    checkDimension("POLYGON ((1 9, 5 9, 5 5, 1 5, 1 9))", 2, 2);
+    checkDimension("GEOMETRYCOLLECTION (POLYGON ((1 9, 5 9, 5 5, 1 5, 1 9)), LINESTRING (1 1, 5 4), POINT (6 5))", 2, 2);
+    checkDimension("GEOMETRYCOLLECTION (POLYGON EMPTY, LINESTRING (1 1, 5 4), POINT (6 5))", 2, 1);
+  }
+
+  private void checkDimension(String wkt, int expectedDim, int expectedDimReal) {
+    Geometry geom = read(wkt);
+    RelateGeometry rgeom = new RelateGeometry(geom);
+    assertEquals(expectedDim, rgeom.getDimension());
+    assertEquals(expectedDimReal, rgeom.getDimensionReal());
+  }
+
+}