RecyclerViewTest.java revision 42e7d6fafcde7bfe261dd7d8d75ee53ca0cd6790
10194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta/* 20194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * Copyright (C) 2015 The Android Open Source Project 30194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * 40194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * Licensed under the Apache License, Version 2.0 (the "License"); 50194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * you may not use this file except in compliance with the License. 60194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * You may obtain a copy of the License at 70194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * 80194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * http://www.apache.org/licenses/LICENSE-2.0 90194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * 100194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * Unless required by applicable law or agreed to in writing, software 110194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * distributed under the License is distributed on an "AS IS" BASIS, 120194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * See the License for the specific language governing permissions and 140194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * limitations under the License. 150194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta */ 160194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 170194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptapackage android.support.v7.widget.test; 180194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 19754cb29c50f09a83251dd4bb633ba445b2411adbAurimas Liutikasimport static org.junit.Assert.assertEquals; 20754cb29c50f09a83251dd4bb633ba445b2411adbAurimas Liutikasimport static org.junit.Assert.assertFalse; 21754cb29c50f09a83251dd4bb633ba445b2411adbAurimas Liutikasimport static org.junit.Assert.assertNotNull; 22754cb29c50f09a83251dd4bb633ba445b2411adbAurimas Liutikasimport static org.junit.Assert.assertTrue; 230a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar 240194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptaimport android.app.Activity; 250a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport android.app.Instrumentation; 26aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banesimport android.os.Build; 270a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport android.support.test.InstrumentationRegistry; 28754cb29c50f09a83251dd4bb633ba445b2411adbAurimas Liutikasimport android.support.test.filters.SmallTest; 290a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport android.support.test.rule.ActivityTestRule; 300a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport android.support.test.runner.AndroidJUnit4; 310194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptaimport android.support.v7.recyclerview.test.CustomLayoutManager; 320194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptaimport android.support.v7.recyclerview.test.R; 330194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptaimport android.support.v7.widget.GridLayoutManager; 34ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyarimport android.support.v7.widget.LinearLayoutManager; 350194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptaimport android.support.v7.widget.RecyclerView; 36ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyarimport android.support.v7.widget.StaggeredGridLayoutManager; 37d8d42d52f8ae53107ffa849b86496650182e24b8Yigit Boyarimport android.view.ViewGroup; 380194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptaimport android.widget.LinearLayout; 390194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 40754cb29c50f09a83251dd4bb633ba445b2411adbAurimas Liutikasimport org.junit.Rule; 41754cb29c50f09a83251dd4bb633ba445b2411adbAurimas Liutikasimport org.junit.Test; 42754cb29c50f09a83251dd4bb633ba445b2411adbAurimas Liutikasimport org.junit.runner.RunWith; 430a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar 44f1b288ec2104488f4a92e911b0ab80c8f0f3e9d1Yigit Boyar@SmallTest 450a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar@RunWith(AndroidJUnit4.class) 460a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarpublic class RecyclerViewTest { 470194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 480a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar @Rule 4942e7d6fafcde7bfe261dd7d8d75ee53ca0cd6790Aurimas Liutikas public ActivityTestRule<RecyclerViewTestActivity> mActivityRule = 5042e7d6fafcde7bfe261dd7d8d75ee53ca0cd6790Aurimas Liutikas new ActivityTestRule<>(RecyclerViewTestActivity.class); 510194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 520194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta private void setContentView(final int layoutId) throws Throwable { 530a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar final Activity activity = mActivityRule.getActivity(); 5442e7d6fafcde7bfe261dd7d8d75ee53ca0cd6790Aurimas Liutikas mActivityRule.runOnUiThread(new Runnable() { 550194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta @Override 560194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta public void run() { 570194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta activity.setContentView(layoutId); 580194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta } 590194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta }); 600194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta } 610194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 620a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar @Test 630a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar public void savedStateAccess() throws ClassNotFoundException { 64ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar // this class should be accessible outside RecyclerView package 65ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar assertNotNull(RecyclerView.SavedState.class); 66ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar assertNotNull(LinearLayoutManager.SavedState.class); 67ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar assertNotNull(GridLayoutManager.SavedState.class); 68ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar assertNotNull(StaggeredGridLayoutManager.SavedState.class); 69ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar } 70ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar 710a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar @Test 720a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar public void inflation() throws Throwable { 730194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta setContentView(R.layout.inflation_test); 740194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta getInstrumentation().waitForIdleSync(); 75f3c39cb89a925a2315354116bd012a2e41cebac8Yigit Boyar RecyclerView view; 76f3c39cb89a925a2315354116bd012a2e41cebac8Yigit Boyar view = (RecyclerView) getActivity().findViewById(R.id.clipToPaddingUndefined); 77f3c39cb89a925a2315354116bd012a2e41cebac8Yigit Boyar assertTrue(view.getLayoutManager().getClipToPadding()); 78f3c39cb89a925a2315354116bd012a2e41cebac8Yigit Boyar view = (RecyclerView) getActivity().findViewById(R.id.clipToPaddingYes); 79f3c39cb89a925a2315354116bd012a2e41cebac8Yigit Boyar assertTrue(view.getLayoutManager().getClipToPadding()); 80f3c39cb89a925a2315354116bd012a2e41cebac8Yigit Boyar view = (RecyclerView) getActivity().findViewById(R.id.clipToPaddingNo); 81f3c39cb89a925a2315354116bd012a2e41cebac8Yigit Boyar assertFalse(view.getLayoutManager().getClipToPadding()); 82f3c39cb89a925a2315354116bd012a2e41cebac8Yigit Boyar 83f3c39cb89a925a2315354116bd012a2e41cebac8Yigit Boyar view = (RecyclerView) getActivity().findViewById(R.id.recyclerView); 840194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta RecyclerView.LayoutManager layoutManager = view.getLayoutManager(); 850194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertNotNull("LayoutManager not created.", layoutManager); 860194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertEquals("Incorrect LayoutManager created", 870194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta layoutManager.getClass().getName(), GridLayoutManager.class.getName()); 880194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta GridLayoutManager gridLayoutManager = ((GridLayoutManager) layoutManager); 890194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertEquals("Incorrect span count.", 3, gridLayoutManager.getSpanCount()); 900194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertEquals("Expected horizontal orientation.", 910194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta LinearLayout.HORIZONTAL, gridLayoutManager.getOrientation()); 920194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertTrue("Expected reversed layout", gridLayoutManager.getReverseLayout()); 930194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 940194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta view = (RecyclerView) getActivity().findViewById(R.id.recyclerView2); 950194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta layoutManager = view.getLayoutManager(); 960194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertNotNull("LayoutManager not created.", layoutManager); 970194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertEquals("Incorrect LayoutManager created", 980194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta layoutManager.getClass().getName(), 990194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta CustomLayoutManager.class.getName()); 1000194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta CustomLayoutManager customLayoutManager = 1010194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta (CustomLayoutManager) layoutManager; 1020194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertEquals("Expected vertical orientation.", 1030194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta LinearLayout.VERTICAL, customLayoutManager.getOrientation()); 1040194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertTrue("Expected items to be stacked from end", customLayoutManager.getStackFromEnd()); 1050194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 1060194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta view = (RecyclerView) getActivity().findViewById(R.id.recyclerView3); 1070194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta layoutManager = view.getLayoutManager(); 1080194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertNotNull("LayoutManager not created.", layoutManager); 1090194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertEquals("Incorrect LayoutManager created", 1100194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta layoutManager.getClass().getName(), 1110194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta CustomLayoutManager.LayoutManager.class.getName()); 1120194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 113ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar view = (RecyclerView) getActivity().findViewById(R.id.recyclerView4); 114ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar layoutManager = view.getLayoutManager(); 115ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar assertNotNull("LayoutManager not created.", layoutManager); 116ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar assertEquals("Incorrect LayoutManager created", 117ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar "android.support.v7.recyclerview.test.PrivateLayoutManager", 118ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar layoutManager.getClass().getName()); 119ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar 120aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes view = (RecyclerView) getActivity().findViewById(R.id.recyclerView5); 121aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes assertTrue("Incorrect default nested scrolling value", view.isNestedScrollingEnabled()); 122aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes 123aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes if (Build.VERSION.SDK_INT >= 21) { 124aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes view = (RecyclerView) getActivity().findViewById(R.id.recyclerView6); 125aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes assertFalse("Incorrect explicit nested scrolling value", 126aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes view.isNestedScrollingEnabled()); 127aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes } 128d8d42d52f8ae53107ffa849b86496650182e24b8Yigit Boyar 129d8d42d52f8ae53107ffa849b86496650182e24b8Yigit Boyar view = (RecyclerView) getActivity().findViewById(R.id.focusability_undefined); 130d8d42d52f8ae53107ffa849b86496650182e24b8Yigit Boyar assertEquals(ViewGroup.FOCUS_AFTER_DESCENDANTS, view.getDescendantFocusability()); 131d8d42d52f8ae53107ffa849b86496650182e24b8Yigit Boyar 132d8d42d52f8ae53107ffa849b86496650182e24b8Yigit Boyar view = (RecyclerView) getActivity().findViewById(R.id.focusability_after); 133d8d42d52f8ae53107ffa849b86496650182e24b8Yigit Boyar assertEquals(ViewGroup.FOCUS_AFTER_DESCENDANTS, view.getDescendantFocusability()); 134d8d42d52f8ae53107ffa849b86496650182e24b8Yigit Boyar 135d8d42d52f8ae53107ffa849b86496650182e24b8Yigit Boyar view = (RecyclerView) getActivity().findViewById(R.id.focusability_before); 136d8d42d52f8ae53107ffa849b86496650182e24b8Yigit Boyar assertEquals(ViewGroup.FOCUS_BEFORE_DESCENDANTS, view.getDescendantFocusability()); 137d8d42d52f8ae53107ffa849b86496650182e24b8Yigit Boyar 138d8d42d52f8ae53107ffa849b86496650182e24b8Yigit Boyar view = (RecyclerView) getActivity().findViewById(R.id.focusability_block); 139d8d42d52f8ae53107ffa849b86496650182e24b8Yigit Boyar assertEquals(ViewGroup.FOCUS_BLOCK_DESCENDANTS, view.getDescendantFocusability()); 1400194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta } 1410a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar 1420a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar private Activity getActivity() { 1430a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar return mActivityRule.getActivity(); 1440a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar } 1450a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar 1460a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar private Instrumentation getInstrumentation() { 1470a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar return InstrumentationRegistry.getInstrumentation(); 1480a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar } 1490194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta} 150