1 files changed, 120 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.tests/unittests/com/android/ide/eclipse/adt/internal/editors/layout/gle2/SelectionManagerTest.java b/eclipse/plugins/com.android.ide.eclipse.tests/unittests/com/android/ide/eclipse/adt/internal/editors/layout/gle2/SelectionManagerTest.java
new file mode 100644
index 000000000..b29f9f3c5
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.tests/unittests/com/android/ide/eclipse/adt/internal/editors/layout/gle2/SelectionManagerTest.java
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Eclipse Public License, Version 1.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.eclipse.org/org/documents/epl-v10.php
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.ide.eclipse.adt.internal.editors.layout.gle2;
+
+import com.android.ide.common.rendering.api.ViewInfo;
+import com.android.ide.eclipse.adt.internal.editors.layout.uimodel.UiViewElementNode;
+
+import org.eclipse.swt.widgets.Shell;
+
+import java.util.Arrays;
+
+import junit.framework.TestCase;
+
+public class SelectionManagerTest extends TestCase {
+    private SelectionManager createManager() {
+        LayoutCanvas canvas = new LayoutCanvas(null, null, new Shell(), 0);
+        return new SelectionManager(canvas);
+    }
+
+    public void testEmpty() {
+        SelectionManager manager = createManager();
+
+        assertNotNull(manager.getSelections());
+        assertEquals(0, manager.getSelections().size());
+        assertFalse(manager.hasMultiSelection());
+        assertTrue(manager.isEmpty());
+    }
+
+    public void testBasic() {
+        SelectionManager manager = createManager();
+        assertTrue(manager.isEmpty());
+
+        UiViewElementNode rootNode = CanvasViewInfoTest.createNode("android.widget.LinearLayout",
+                true);
+        ViewInfo root = new ViewInfo("LinearLayout", rootNode, 10, 10, 100, 100);
+        UiViewElementNode child1Node = CanvasViewInfoTest.createNode(rootNode,
+                "android.widget.Button", false);
+        ViewInfo child1 = new ViewInfo("Button1", child1Node, 0, 0, 50, 20);
+        UiViewElementNode child2Node = CanvasViewInfoTest.createNode(rootNode,
+                "android.widget.Button", false);
+        ViewInfo child2 = new ViewInfo("Button2", child2Node, 0, 20, 70, 25);
+        root.setChildren(Arrays.asList(child1, child2));
+        CanvasViewInfo rootView = CanvasViewInfo.create(root, true /* layoutlib5 */).getFirst();
+        assertNotNull(rootView);
+
+        manager.selectMultiple(Arrays.asList(rootView, rootView.getChildren().get(0), rootView
+                .getChildren().get(1)));
+        assertEquals(3, manager.getSelections().size());
+        assertFalse(manager.isEmpty());
+        assertTrue(manager.hasMultiSelection());
+
+        // Expect read-only result; ensure that's the case
+        try {
+            manager.getSelections().remove(0);
+            fail("Result should be read only collection");
+        } catch (Exception e) {
+            ; //ok, what we expected
+        }
+
+        manager.selectNone();
+        assertEquals(0, manager.getSelections().size());
+        assertTrue(manager.isEmpty());
+
+        manager.selectSingle(rootView);
+        assertEquals(1, manager.getSelections().size());
+        assertFalse(manager.isEmpty());
+        assertSame(rootView, manager.getSelections().get(0).getViewInfo());
+
+        manager.selectMultiple(Arrays.asList(rootView, rootView.getChildren().get(0), rootView
+                .getChildren().get(1)));
+        assertEquals(3, manager.getSelections().size());
+
+        manager.deselect(rootView.getChildren().get(0));
+        assertEquals(2, manager.getSelections().size());
+        manager.deselect(rootView);
+        assertEquals(1, manager.getSelections().size());
+        assertSame(rootView.getChildren().get(1), manager.getSelections().get(0).getViewInfo());
+    }
+
+    public void testSelectParent() {
+        SelectionManager manager = createManager();
+        assertTrue(manager.isEmpty());
+
+        UiViewElementNode rootNode = CanvasViewInfoTest.createNode("android.widget.LinearLayout",
+                true);
+        ViewInfo root = new ViewInfo("LinearLayout", rootNode, 10, 10, 100, 100);
+        UiViewElementNode child1Node = CanvasViewInfoTest.createNode(rootNode,
+                "android.widget.Button", false);
+        ViewInfo child1 = new ViewInfo("Button1", child1Node, 0, 0, 50, 20);
+        UiViewElementNode child2Node = CanvasViewInfoTest.createNode(rootNode,
+                "android.widget.Button", false);
+        ViewInfo child2 = new ViewInfo("Button2", child2Node, 0, 20, 70, 25);
+        root.setChildren(Arrays.asList(child1, child2));
+        CanvasViewInfo rootView = CanvasViewInfo.create(root, true /* layoutlib5 */).getFirst();
+        assertNotNull(rootView);
+
+        manager.selectMultiple(Arrays.asList(rootView.getChildren().get(0)));
+        assertEquals(1, manager.getSelections().size());
+        assertFalse(manager.isEmpty());
+        assertSame(rootView.getChildren().get(0), manager.getSelections().get(0).getViewInfo());
+
+        manager.selectParent();
+        assertEquals(1, manager.getSelections().size());
+        assertFalse(manager.isEmpty());
+        assertSame(rootView, manager.getSelections().get(0).getViewInfo());
+    }
+}