115a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root/* 215a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * Copyright (C) 2007 The Android Open Source Project 315a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * 415a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * Licensed under the Apache License, Version 2.0 (the "License"); 515a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * you may not use this file except in compliance with the License. 615a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * You may obtain a copy of the License at 715a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * 815a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * http://www.apache.org/licenses/LICENSE-2.0 915a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * 1015a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * Unless required by applicable law or agreed to in writing, software 1115a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * distributed under the License is distributed on an "AS IS" BASIS, 1215a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1315a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * See the License for the specific language governing permissions and 1415a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * limitations under the License. 1515a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root */ 1615a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root 171d3165f10b12165f02b7015ac1a817c5f60e6399Neal Nguyenpackage android.widget; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport com.google.android.collect.Lists; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport junit.framework.Assert; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.Resources; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.test.InstrumentationTestCase; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.test.mock.MockContext; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.test.suitebuilder.annotation.MediumTest; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.ArrayAdapter; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.ListView; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class ListViewTest extends InstrumentationTestCase { 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If a view in a ListView requests a layout it should be remeasured. 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @MediumTest 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testRequestLayout() throws Exception { 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MockContext context = new MockContext2(); 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ListView listView = new ListView(context); 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project List<String> items = Lists.newArrayList("hello"); 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Adapter<String> adapter = new Adapter<String>(context, 0, items); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listView.setAdapter(adapter); 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int measureSpec = View.MeasureSpec.makeMeasureSpec(100, View.MeasureSpec.EXACTLY); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project adapter.notifyDataSetChanged(); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listView.measure(measureSpec, measureSpec); 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listView.layout(0, 0, 100, 100); 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MockView childView = (MockView) listView.getChildAt(0); 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childView.requestLayout(); 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childView.onMeasureCalled = false; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listView.measure(measureSpec, measureSpec); 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listView.layout(0, 0, 100, 100); 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Assert.assertTrue(childView.onMeasureCalled); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The list view should handle the disappearance of the only selected item, even when that item 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * was selected before its disappearance. 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @MediumTest 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testNoSelectableItems() throws Exception { 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MockContext context = new MockContext2(); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ListView listView = new ListView(context); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We use a header as the unselectable item to remain after the selectable one is removed. 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listView.addHeaderView(new View(context), null, false); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project List<String> items = Lists.newArrayList("hello"); 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Adapter<String> adapter = new Adapter<String>(context, 0, items); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listView.setAdapter(adapter); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listView.setSelection(1); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int measureSpec = View.MeasureSpec.makeMeasureSpec(100, View.MeasureSpec.EXACTLY); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project adapter.notifyDataSetChanged(); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listView.measure(measureSpec, measureSpec); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listView.layout(0, 0, 100, 100); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project items.remove(0); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project adapter.notifyDataSetChanged(); 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listView.measure(measureSpec, measureSpec); 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listView.layout(0, 0, 100, 100); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class MockContext2 extends MockContext { 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Resources getResources() { 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getInstrumentation().getTargetContext().getResources(); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Resources.Theme getTheme() { 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getInstrumentation().getTargetContext().getTheme(); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Object getSystemService(String name) { 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Context.LAYOUT_INFLATER_SERVICE.equals(name)) { 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getInstrumentation().getTargetContext().getSystemService(name); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.getSystemService(name); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class MockView extends View { 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onMeasureCalled = false; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MockView(Context context) { 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onMeasure(widthMeasureSpec, heightMeasureSpec); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onMeasureCalled = true; 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class Adapter<T> extends ArrayAdapter<T> { 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Adapter(Context context, int resource, List<T> objects) { 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, resource, objects); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getView(int position, View convertView, ViewGroup parent) { 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new MockView(getContext()); 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 142