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/*
* 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.common.layout;
import static com.android.ide.common.layout.GravityHelper.GRAVITY_BOTTOM;
import static com.android.ide.common.layout.GravityHelper.GRAVITY_CENTER_HORIZ;
import static com.android.ide.common.layout.GravityHelper.GRAVITY_CENTER_VERT;
import static com.android.ide.common.layout.GravityHelper.GRAVITY_END;
import static com.android.ide.common.layout.GravityHelper.GRAVITY_FILL_HORIZ;
import static com.android.ide.common.layout.GravityHelper.GRAVITY_FILL_VERT;
import static com.android.ide.common.layout.GravityHelper.GRAVITY_LEFT;
import static com.android.ide.common.layout.GravityHelper.GRAVITY_RIGHT;
import static com.android.ide.common.layout.GravityHelper.GRAVITY_START;
import static com.android.ide.common.layout.GravityHelper.GRAVITY_TOP;
import static com.android.ide.common.layout.GravityHelper.getGravity;
import com.android.utils.XmlUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import junit.framework.TestCase;
@SuppressWarnings("javadoc")
public class GravityHelperTest extends TestCase {
public void testGravity() throws Exception {
assertEquals(GRAVITY_BOTTOM, GravityHelper.getGravity("bottom", 0));
assertEquals(GRAVITY_BOTTOM | GRAVITY_LEFT, GravityHelper.getGravity("bottom|left", 0));
assertEquals(GRAVITY_BOTTOM | GRAVITY_LEFT | GRAVITY_START,
GravityHelper.getGravity("bottom|left|start", 0));
assertEquals(GRAVITY_BOTTOM | GRAVITY_LEFT | GRAVITY_START,
GravityHelper.getGravity("bottom|start|left", 0));
assertEquals(GRAVITY_BOTTOM | GRAVITY_RIGHT | GRAVITY_END,
GravityHelper.getGravity("bottom|right|end", 0));
assertEquals(GRAVITY_BOTTOM | GRAVITY_RIGHT | GRAVITY_END,
GravityHelper.getGravity("bottom|end|right", 0));
assertEquals(GRAVITY_CENTER_HORIZ | GRAVITY_CENTER_VERT,
GravityHelper.getGravity("center", 0));
}
public void testGravityString() throws Exception {
assertEquals("left", getGravity(GRAVITY_LEFT));
assertEquals("start", getGravity(GRAVITY_START));
assertEquals("right", getGravity(GRAVITY_RIGHT));
assertEquals("end", getGravity(GRAVITY_END));
assertEquals("top", getGravity(GRAVITY_TOP));
assertEquals("bottom", getGravity(GRAVITY_BOTTOM));
assertEquals("center_horizontal", getGravity(GRAVITY_CENTER_HORIZ));
assertEquals("center_vertical", getGravity(GRAVITY_CENTER_VERT));
assertEquals("fill_horizontal", getGravity(GRAVITY_FILL_HORIZ));
assertEquals("fill_vertical", getGravity(GRAVITY_FILL_VERT));
assertEquals("center", getGravity(GRAVITY_CENTER_HORIZ|GRAVITY_CENTER_VERT));
assertEquals("left|bottom", getGravity(GRAVITY_LEFT|GRAVITY_BOTTOM));
assertEquals("left|start|bottom", getGravity(GRAVITY_LEFT|GRAVITY_START|GRAVITY_BOTTOM));
assertEquals("center_horizontal|top", getGravity(GRAVITY_CENTER_HORIZ|GRAVITY_TOP));
}
public void testConstrained() throws Exception {
assertTrue(GravityHelper.isConstrainedHorizontally(GRAVITY_LEFT));
assertTrue(GravityHelper.isConstrainedHorizontally(GRAVITY_START));
assertTrue(GravityHelper.isConstrainedHorizontally(GRAVITY_RIGHT));
assertTrue(GravityHelper.isConstrainedHorizontally(GRAVITY_END));
assertTrue(GravityHelper.isConstrainedHorizontally(GRAVITY_CENTER_HORIZ));
assertTrue(GravityHelper.isConstrainedHorizontally(GRAVITY_FILL_HORIZ));
assertFalse(GravityHelper.isConstrainedVertically(GRAVITY_LEFT));
assertFalse(GravityHelper.isConstrainedVertically(GRAVITY_START));
assertFalse(GravityHelper.isConstrainedVertically(GRAVITY_RIGHT));
assertFalse(GravityHelper.isConstrainedVertically(GRAVITY_END));
assertFalse(GravityHelper.isConstrainedVertically(GRAVITY_CENTER_HORIZ));
assertFalse(GravityHelper.isConstrainedVertically(GRAVITY_FILL_HORIZ));
assertTrue(GravityHelper.isConstrainedVertically(GRAVITY_TOP));
assertTrue(GravityHelper.isConstrainedVertically(GRAVITY_BOTTOM));
assertTrue(GravityHelper.isConstrainedVertically(GRAVITY_CENTER_VERT));
assertTrue(GravityHelper.isConstrainedVertically(GRAVITY_FILL_VERT));
assertFalse(GravityHelper.isConstrainedHorizontally(GRAVITY_TOP));
assertFalse(GravityHelper.isConstrainedHorizontally(GRAVITY_BOTTOM));
assertFalse(GravityHelper.isConstrainedHorizontally(GRAVITY_CENTER_VERT));
assertFalse(GravityHelper.isConstrainedHorizontally(GRAVITY_FILL_VERT));
}
public void testAligned() throws Exception {
assertTrue(GravityHelper.isLeftAligned(GRAVITY_LEFT|GRAVITY_TOP));
assertTrue(GravityHelper.isLeftAligned(GRAVITY_START|GRAVITY_TOP));
assertTrue(GravityHelper.isLeftAligned(GRAVITY_LEFT));
assertTrue(GravityHelper.isLeftAligned(GRAVITY_START));
assertFalse(GravityHelper.isLeftAligned(GRAVITY_RIGHT));
assertFalse(GravityHelper.isLeftAligned(GRAVITY_END));
assertTrue(GravityHelper.isTopAligned(GRAVITY_LEFT|GRAVITY_TOP));
assertTrue(GravityHelper.isTopAligned(GRAVITY_START|GRAVITY_TOP));
assertTrue(GravityHelper.isTopAligned(GRAVITY_TOP));
assertFalse(GravityHelper.isTopAligned(GRAVITY_BOTTOM));
}
public void testElement() throws Exception {
Document document = XmlUtils.parseDocumentSilently(""
+ "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
+ "<LinearLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"\n"
+ " android:layout_width=\"match_parent\"\n"
+ " android:layout_height=\"wrap_content\"\n"
+ " android:layout_gravity=\"start|center_vertical|left\""
+ " android:orientation=\"vertical\" />\n", true);
assertNotNull(document);
Element element = document.getDocumentElement();
assertNotNull(element);
int gravity = GravityHelper.getGravity(element);
assertEquals("left|start|center_vertical", GravityHelper.getGravity(gravity));
}
}
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