Preparation task for Settings Fragment Migration

Create some compatible files.
These files can be used for Settings Fragment Migration task.

Bug: 110259478
Test: make RunSettingsLibRoboTests -j40
Change-Id: Ib3d52e9a5f5bed5c194d429fdfa4b0d01ed07f01
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/CustomEditTextPreferenceComaptTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/CustomEditTextPreferenceComaptTest.java
new file mode 100644
index 0000000..9ba9967
--- /dev/null
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/CustomEditTextPreferenceComaptTest.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.settingslib;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.view.View;
+import android.widget.EditText;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.util.ReflectionHelpers;
+
+@RunWith(SettingsLibRobolectricTestRunner.class)
+public class CustomEditTextPreferenceComaptTest {
+
+    @Mock
+    private View mView;
+
+    private TestPreference mPreference;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mPreference = new TestPreference(RuntimeEnvironment.application);
+    }
+
+    @Test
+    public void bindDialogView_shouldRequestFocus() {
+        final String testText = "";
+        final EditText editText = spy(new EditText(RuntimeEnvironment.application));
+        editText.setText(testText);
+        when(mView.findViewById(android.R.id.edit)).thenReturn(editText);
+
+        mPreference.onBindDialogView(mView);
+
+        verify(editText).requestFocus();
+    }
+
+    @Test
+    public void getEditText_noDialog_shouldNotCrash() {
+        ReflectionHelpers.setField(mPreference, "mFragment",
+                mock(CustomEditTextPreferenceCompat.CustomPreferenceDialogFragment.class));
+
+        mPreference.getEditText();
+
+        // no crash
+    }
+
+    private static class TestPreference extends CustomEditTextPreferenceCompat {
+        public TestPreference(Context context) {
+            super(context);
+        }
+    }
+}