1 files changed, 256 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.tests/unittests/com/android/ide/eclipse/adt/internal/editors/layout/ExplodeRenderingHelperTest.java b/eclipse/plugins/com.android.ide.eclipse.tests/unittests/com/android/ide/eclipse/adt/internal/editors/layout/ExplodeRenderingHelperTest.java
new file mode 100644
index 000000000..0e528674a
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.tests/unittests/com/android/ide/eclipse/adt/internal/editors/layout/ExplodeRenderingHelperTest.java
@@ -0,0 +1,256 @@
+/*
+ * Copyright (C) 2010 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;
+
+import com.android.SdkConstants;
+import com.android.ide.eclipse.adt.internal.editors.mock.MockXmlNode;
+
+import org.w3c.dom.Node;
+
+import java.util.HashSet;
+
+import junit.framework.TestCase;
+
+public class ExplodeRenderingHelperTest extends TestCase {
+
+    private final HashSet<String> mLayoutNames = new HashSet<String>();
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        mLayoutNames.add("LinearLayout");
+        mLayoutNames.add("RelativeLayout");
+    }
+
+    public void testSingleHorizontalLinearLayout() {
+        // Single layout, horizontal, 2 buttons.
+        MockXmlNode layout = createLinearLayout(true /*horizontal*/,
+                new MockXmlNode[] { createButton(), createButton()} );
+
+        ExplodedRenderingHelper helper = new ExplodedRenderingHelper(layout, mLayoutNames);
+        assertEquals(1, helper.getHeightPadding());
+        assertEquals(1, helper.getWidthPadding());
+    }
+
+    public void testSingleVerticalLinearLayout() {
+        // Single layout, horizontal, with 2 buttons.
+        // LinearLayout(H:[Button Button])
+        MockXmlNode layout = createLinearLayout(false /*horizontal*/,
+                new MockXmlNode[] { createButton(), createButton()} );
+
+        ExplodedRenderingHelper helper = new ExplodedRenderingHelper(layout, mLayoutNames);
+        assertEquals(1, helper.getWidthPadding());
+        assertEquals(1, helper.getHeightPadding());
+    }
+
+    public void testEmbeddedLinearLayouts() {
+        /*
+         *  LinearLayout(vertical):
+         *    LinearLayout(H:[Button Button])
+         *    LinearLayout(H:[Button Button Button])
+         *
+         * Result should be 2 in x, 3 in y
+         */
+        MockXmlNode layout = createLinearLayout(false /*horizontal*/,
+                new MockXmlNode[] {
+                    createLinearLayout(true /*horizontal*/,
+                            new MockXmlNode[] { createButton(), createButton()}),
+                    createLinearLayout(true /*horizontal*/,
+                            new MockXmlNode[] { createButton(), createButton(), createButton()}),
+                } );
+
+        ExplodedRenderingHelper helper = new ExplodedRenderingHelper(layout, mLayoutNames);
+        assertEquals(2, helper.getWidthPadding());
+        assertEquals(3, helper.getHeightPadding());
+    }
+
+    public void testSimpleRelativeLayoutWithOneLinearLayouts() {
+        /*
+         *  RelativeLayout:
+         *    LinearLayout(H:[Button Button])
+         *
+         * Result should be 2 in x, 2 in y
+         */
+        MockXmlNode layout = createRelativeLayout(
+                new MockXmlNode[] {
+                    createLinearLayout(true /*horizontal*/,
+                            new MockXmlNode[] { createButton(), createButton()}),
+                } );
+
+        ExplodedRenderingHelper helper = new ExplodedRenderingHelper(layout, mLayoutNames);
+        assertEquals(2, helper.getWidthPadding());
+        assertEquals(2, helper.getHeightPadding());
+    }
+
+    public void /*test*/RelativeLayoutWithVerticalLinearLayouts() {
+        //FIXME: Reenable once the relative layout are properly supported.
+        /*
+         * Children of the relative layouts, one below the other.
+         * Each with only buttons in them.
+         *  RelativeLayout:
+         *    LinearLayout(H:[Button Button])
+         *          ^
+         *    LinearLayout(H:[Button Button])
+         *
+         * Result should be 2 in x, 3 in y
+         */
+
+        // create the linearlayouts.
+        MockXmlNode linear1 = createLinearLayout(true /*horizontal*/,
+                new MockXmlNode[] { createButton(), createButton()});
+        linear1.addAttributes(SdkConstants.NS_RESOURCES, "id", "@+id/linear1");
+
+        MockXmlNode linear2 = createLinearLayout(true /*horizontal*/,
+                        new MockXmlNode[] { createButton(), createButton()});
+        linear2.addAttributes(SdkConstants.NS_RESOURCES, "id", "@+id/linear2");
+
+        // position linear2 below linear1
+        linear2.addAttributes(SdkConstants.NS_RESOURCES, "layout_below", "@+id/linear1");
+
+
+        MockXmlNode layout = createRelativeLayout(new MockXmlNode[] { linear1, linear2 } );
+
+        ExplodedRenderingHelper helper = new ExplodedRenderingHelper(layout, mLayoutNames);
+        assertEquals(2, helper.getWidthPadding());
+        assertEquals(3, helper.getHeightPadding());
+    }
+
+    public void /*test*/RelativeLayoutWithVerticalLinearLayouts2() {
+        //FIXME: Reenable once the relative layout are properly supported.
+        /*
+         * Children of the relative layouts, one above the other.
+         * Each with only buttons in them.
+         *  RelativeLayout:
+         *    LinearLayout(H:[Button Button])
+         *          v
+         *    LinearLayout(H:[Button Button])
+         *
+         * Result should be 2 in x, 3 in y
+         */
+
+        // create the linearlayouts.
+        MockXmlNode linear1 = createLinearLayout(true /*horizontal*/,
+                new MockXmlNode[] { createButton(), createButton() } );
+        linear1.addAttributes(SdkConstants.NS_RESOURCES, "id", "@+id/linear1");
+
+        MockXmlNode linear2 = createLinearLayout(true /*horizontal*/,
+                        new MockXmlNode[] { createButton(), createButton() } );
+        linear2.addAttributes(SdkConstants.NS_RESOURCES, "id", "@+id/linear2");
+
+        // position linear2 below linear1
+        linear2.addAttributes(SdkConstants.NS_RESOURCES, "layout_above", "@+id/linear1");
+
+
+        MockXmlNode layout = createRelativeLayout(new MockXmlNode[] { linear1, linear2 } );
+
+        ExplodedRenderingHelper helper = new ExplodedRenderingHelper(layout, mLayoutNames);
+        assertEquals(2, helper.getWidthPadding());
+        assertEquals(3, helper.getHeightPadding());
+    }
+
+    public void /*test*/ComplexRelativeLayout() {
+        //FIXME: Reenable once the relative layout are properly supported.
+        /*
+         *  RelativeLayout:
+         *
+         *                                       < LinearLayout1(V: [button]) > LinearLayout2(V: [button])
+         *                                            v
+         *  Button1 > LinearLayout3(V: [button]) < Button2
+         *                  v
+         *          < LinearLayout4(V: [button])
+         *                                     ^
+         *                                     <LinearLayout5(V: [button])
+         *
+         * Result should be 4 in x, 5 in y
+         */
+
+        // create the elements
+        MockXmlNode button1 = createButton();
+        button1.addAttributes(SdkConstants.NS_RESOURCES, "id", "@+id/button1");
+
+        MockXmlNode button2 = createButton();
+        button2.addAttributes(SdkConstants.NS_RESOURCES, "id", "@+id/button2");
+
+        MockXmlNode linear1 = createLinearLayout(true /*horizontal*/,
+                new MockXmlNode[] { createButton() } );
+        linear1.addAttributes(SdkConstants.NS_RESOURCES, "id", "@+id/linear1");
+
+        MockXmlNode linear2 = createLinearLayout(true /*horizontal*/,
+                new MockXmlNode[] { createButton() } );
+        linear2.addAttributes(SdkConstants.NS_RESOURCES, "id", "@+id/linear2");
+
+        MockXmlNode linear3 = createLinearLayout(true /*horizontal*/,
+                new MockXmlNode[] { createButton() } );
+        linear3.addAttributes(SdkConstants.NS_RESOURCES, "id", "@+id/linear3");
+
+        MockXmlNode linear4 = createLinearLayout(true /*horizontal*/,
+                new MockXmlNode[] { createButton() } );
+        linear4.addAttributes(SdkConstants.NS_RESOURCES, "id", "@+id/linear4");
+
+        MockXmlNode linear5 = createLinearLayout(true /*horizontal*/,
+                new MockXmlNode[] { createButton() } );
+        linear5.addAttributes(SdkConstants.NS_RESOURCES, "id", "@+id/linear5");
+
+
+        // link them
+        button1.addAttributes(SdkConstants.NS_RESOURCES, "layout_toLeftOf",  "@+id/linear3");
+
+        button2.addAttributes(SdkConstants.NS_RESOURCES, "layout_toRightOf", "@+id/linear3");
+
+        linear1.addAttributes(SdkConstants.NS_RESOURCES, "layout_toRightOf", "@+id/linear3");
+        linear1.addAttributes(SdkConstants.NS_RESOURCES, "layout_toLeftOf",  "@+id/linear2");
+        linear1.addAttributes(SdkConstants.NS_RESOURCES, "layout_above",     "@+id/button2");
+
+        linear3.addAttributes(SdkConstants.NS_RESOURCES, "layout_above",     "@+id/linear4");
+
+        linear4.addAttributes(SdkConstants.NS_RESOURCES, "layout_toRightOf", "@+id/button1");
+
+        linear5.addAttributes(SdkConstants.NS_RESOURCES, "layout_toRightOf", "@+id/linear4");
+        linear5.addAttributes(SdkConstants.NS_RESOURCES, "layout_below",     "@+id/linear4");
+
+        MockXmlNode layout = createRelativeLayout(
+                new MockXmlNode[] {
+                        button1, button2, linear1, linear2, linear3, linear4, linear5 } );
+
+        ExplodedRenderingHelper helper = new ExplodedRenderingHelper(layout, mLayoutNames);
+        assertEquals(4, helper.getWidthPadding());
+        assertEquals(5, helper.getHeightPadding());
+    }
+
+
+    // ----- helper to deal with mocks
+
+    private MockXmlNode createButton() {
+        return new MockXmlNode(null, "Button", Node.ELEMENT_NODE, null);
+    }
+
+    private MockXmlNode createLinearLayout(boolean horizontal, MockXmlNode[] children) {
+        MockXmlNode layout = new MockXmlNode(null, "LinearLayout", Node.ELEMENT_NODE, children);
+
+        layout.addAttributes(SdkConstants.NS_RESOURCES, "orientation",
+                horizontal ? "horizontal" : "vertical");
+
+        return layout;
+    }
+
+    private MockXmlNode createRelativeLayout(MockXmlNode[] children) {
+        MockXmlNode layout = new MockXmlNode(null, "RelativeLayout", Node.ELEMENT_NODE, children);
+
+        return layout;
+    }
+}