com.jme3.math tests: add the TestToString class

Author: stephengold

jme3-core/src/test/java/com/jme3/math/TestToString.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2009-2024 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.math;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Test various toString() methods using JUnit. See also
+ * {@link com.jme3.math.TestTransform}.
+ *
+ * @author Stephen Gold
+ */
+public class TestToString {
+    /**
+     * Test various {@code toString()} methods against their javadoc.
+     */
+    @Test
+    public void testToString() {
+        // Test data that's never modified:
+        Line line = new Line(
+                new Vector3f(1f, 0f, 0f),
+                new Vector3f(0f, 1f, 0f));
+
+        LineSegment segment = new LineSegment(
+                new Vector3f(1f, 0f, 0f), new Vector3f(0f, 1f, 0f), 1f);
+
+        Rectangle rectangle = new Rectangle(
+                new Vector3f(1f, 0f, 0f),
+                new Vector3f(2f, 0f, 0f),
+                new Vector3f(1f, 2f, 0f));
+
+        Triangle triangle = new Triangle(
+                new Vector3f(1f, 0f, 0f),
+                new Vector3f(0f, 1f, 0f),
+                new Vector3f(0f, 0f, 1f));
+
+        // Verify that the methods don't throw an exception:
+        String lineString = line.toString();
+        String segmentString = segment.toString();
+        String rectangleString = rectangle.toString();
+        String triangleString = triangle.toString();
+
+        // Verify that the results match the javadoc:
+        Assert.assertEquals(
+                "Line [Origin: (1.0, 0.0, 0.0)  Direction: (0.0, 1.0, 0.0)]",
+                lineString);
+        Assert.assertEquals(
+                "LineSegment [Origin: (1.0, 0.0, 0.0)  Direction: (0.0, 1.0, 0.0)  Extent: 1.0]",
+                segmentString);
+        Assert.assertEquals(
+                "Rectangle [A: (1.0, 0.0, 0.0)  B: (2.0, 0.0, 0.0)  C: (1.0, 2.0, 0.0)]",
+                rectangleString);
+        Assert.assertEquals(
+                "Triangle [V1: (1.0, 0.0, 0.0)  V2: (0.0, 1.0, 0.0)  V3: (0.0, 0.0, 1.0)]",
+                triangleString);
+    }
+}