junit: move CollisionGroup tests from Test003 to Test018 and enhance

Author: stephengold

src/test/java/testjoltjni/junit/Test003.java

@@ -76,9 +76,7 @@ of this software and associated documentation files (the "Software"), to deal
 import com.github.stephengold.joltjni.readonly.ConstCharacter;
 import com.github.stephengold.joltjni.readonly.ConstCharacterContactKey;
 import com.github.stephengold.joltjni.readonly.ConstCharacterVirtual;
-import com.github.stephengold.joltjni.readonly.ConstCollisionGroup;
 import com.github.stephengold.joltjni.readonly.ConstContactSettings;
-import com.github.stephengold.joltjni.readonly.ConstGroupFilter;
 import com.github.stephengold.joltjni.readonly.ConstLinearCurve;
 import com.github.stephengold.joltjni.readonly.ConstMassProperties;
 import com.github.stephengold.joltjni.readonly.ConstMotionProperties;
@@ -113,6 +111,8 @@ of this software and associated documentation files (the "Software"), to deal
  * For soft-body related classes, see Test017.
  * <p>
  * For vehicle-related classes, see Test014.
+ * <p>
+ * For collision-related classes, see Test018.
  *
  * @author Stephen Gold sgold@sonic.net
  */
@@ -134,7 +134,6 @@ public void test003() {
         doBodyIdArray();
         doCharacter();
         doCharacterVirtual();
-        doCollisionGroup();
         doContactListenerList();
         doContactKey();
         doContactSettings();
@@ -485,19 +484,6 @@ private static void doCharacterVirtual() {
         System.gc();
     }
 
-    /**
-     * Test the {@code CollisionGroup} class.
-     */
-    private static void doCollisionGroup() {
-        CollisionGroup group = new CollisionGroup();
-
-        testCollisionGroupDefaults(group);
-        testCollisionGroupSetters(group);
-
-        TestUtils.testClose(group);
-        System.gc();
-    }
-
     /**
      * Test the {@code ContactListenerList} class.
      */
@@ -876,37 +862,6 @@ private static void testCharacterVirtualDefaults(
         TestUtils.assertEquals(0f, 0f, 0f, character.getShapeOffset(), 0f);
     }
 
-    /**
-     * Test the getters and defaults of the specified {@code CollisionGroup}.
-     *
-     * @param group the group to test (not {@code null}, unaffected)
-     */
-    private static void testCollisionGroupDefaults(ConstCollisionGroup group) {
-        Assert.assertNull(group.getGroupFilter());
-        Assert.assertEquals(CollisionGroup.cInvalidGroup, group.getGroupId());
-        Assert.assertEquals(
-                CollisionGroup.cInvalidGroup, group.getSubGroupId());
-    }
-
-    /**
-     * Test the setters of the specified {@code CollisionGroup}.
-     *
-     * @param group the group to test (not {@code null})
-     */
-    private static void testCollisionGroupSetters(CollisionGroup group) {
-        GroupFilterTable filter = new GroupFilterTable();
-        group.setGroupFilter(filter);
-        group.setGroupId(101);
-        group.setSubGroupId(102);
-
-        ConstGroupFilter actualFilter = group.getGroupFilter();
-        Assert.assertEquals(filter, actualFilter);
-        Assert.assertEquals(101, group.getGroupId());
-        Assert.assertEquals(102, group.getSubGroupId());
-
-        TestUtils.testClose(actualFilter, filter);
-    }
-
     /**
      * Test the getters and defaults of the specified
      * {@code CharacterContactKey}.

src/test/java/testjoltjni/junit/Test018.java

@@ -0,0 +1,104 @@
+/*
+Copyright (c) 2024-2026 Stephen Gold
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+package testjoltjni.junit;
+
+import com.github.stephengold.joltjni.CollisionGroup;
+import com.github.stephengold.joltjni.GroupFilterTable;
+import com.github.stephengold.joltjni.readonly.ConstCollisionGroup;
+import com.github.stephengold.joltjni.readonly.ConstGroupFilter;
+import org.junit.Assert;
+import org.junit.Test;
+import testjoltjni.TestUtils;
+
+/**
+ * Automated JUnit4 tests for creation, destruction, accessors, and defaults of
+ * collision-related classes.
+ *
+ * @author Stephen Gold sgold@sonic.net
+ */
+public class Test018 {
+    // *************************************************************************
+    // new methods exposed
+
+    /**
+     * Test object creation, destruction, accessors, and defaults.
+     */
+    @Test
+    public void test018() {
+        TestUtils.loadNativeLibrary();
+        TestUtils.initializeNativeLibrary();
+
+        doCollisionGroup();
+
+        TestUtils.cleanup();
+    }
+    // *************************************************************************
+    // Java private methods
+
+    /**
+     * Test the {@code CollisionGroup} class.
+     */
+    private static void doCollisionGroup() {
+        CollisionGroup group = new CollisionGroup();
+
+        testCollisionGroupDefaults(group);
+        CollisionGroup copy = new CollisionGroup(group);
+        testCollisionGroupSetters(group);
+        testCollisionGroupDefaults(copy);
+        group.set(copy);
+        testCollisionGroupDefaults(group);
+
+        TestUtils.testClose(copy, group);
+        System.gc();
+    }
+
+    /**
+     * Test the getters and defaults of the specified {@code CollisionGroup}.
+     *
+     * @param group the group to test (not {@code null}, unaffected)
+     */
+    private static void testCollisionGroupDefaults(ConstCollisionGroup group) {
+        Assert.assertNull(group.getGroupFilter());
+        Assert.assertEquals(CollisionGroup.cInvalidGroup, group.getGroupId());
+        Assert.assertEquals(
+                CollisionGroup.cInvalidGroup, group.getSubGroupId());
+    }
+
+    /**
+     * Test the setters of the specified {@code CollisionGroup}.
+     *
+     * @param group the group to test (not {@code null})
+     */
+    private static void testCollisionGroupSetters(CollisionGroup group) {
+        GroupFilterTable filter = new GroupFilterTable();
+        group.setGroupFilter(filter);
+        group.setGroupId(101);
+        group.setSubGroupId(102);
+
+        ConstGroupFilter actualFilter = group.getGroupFilter();
+        Assert.assertEquals(filter, actualFilter);
+        Assert.assertEquals(101, group.getGroupId());
+        Assert.assertEquals(102, group.getSubGroupId());
+
+        TestUtils.testClose(actualFilter, filter);
+    }
+}