/*
* Copyright (C) 2016 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 android.widget;
import android.test.ActivityInstrumentationTestCase2;
import android.test.suitebuilder.annotation.SmallTest;
import android.view.Choreographer;
import android.view.ViewGroup;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import static android.support.test.espresso.Espresso.onView;
import static android.support.test.espresso.action.ViewActions.click;
import static android.widget.espresso.TextViewAssertions.hasInsertionPointerOnLeft;
import static android.widget.espresso.TextViewAssertions.hasInsertionPointerOnRight;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.isEmptyString;
import static org.hamcrest.Matchers.nullValue;
import static org.hamcrest.Matchers.sameInstance;
public class EditorCursorTest extends ActivityInstrumentationTestCase2<TextViewActivity> {
private final static String LTR_STRING = "aaaaaaaaaaaaaaaaaaaaaa";
private final static String LTR_HINT = "hint";
private final static String RTL_STRING = "مرحبا الروبوت مرحبا الروبوت مرحبا الروبوت";
private final static String RTL_HINT = "الروبوت";
private final static int CURSOR_BLINK_MS = 500;
private EditText mEditText;
public EditorCursorTest() {
super(TextViewActivity.class);
}
@Override
protected void setUp() throws Exception {
super.setUp();
mEditText = new EditText(getActivity());
mEditText.setTextSize(30);
mEditText.setSingleLine(true);
mEditText.setLines(1);
mEditText.setPadding(15, 15, 15, 15);
ViewGroup.LayoutParams editTextLayoutParams = new ViewGroup.LayoutParams(200,
ViewGroup.LayoutParams.WRAP_CONTENT);
mEditText.setLayoutParams(editTextLayoutParams);
final FrameLayout layout = new FrameLayout(getActivity());
ViewGroup.LayoutParams layoutParams = new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.MATCH_PARENT);
layout.setLayoutParams(layoutParams);
layout.addView(mEditText);
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
getActivity().setContentView(layout);
}
});
getInstrumentation().waitForIdleSync();
onView(sameInstance(mEditText)).perform(click());
}
@SmallTest
public void testCursorIsInViewBoundariesWhenOnRightForLtr() {
// Asserts that when an EditText has LTR text, and cursor is at the end (right),
// cursor is drawn to the right edge of the view
setEditTextText(LTR_STRING, LTR_STRING.length());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnRight());
}
@SmallTest
public void testCursorIsInViewBoundariesWhenOnLeftForLtr() {
// Asserts that when an EditText has LTR text, and cursor is at the beginning,
// cursor is drawn to the left edge of the view
setEditTextText(LTR_STRING, 0);
onView(sameInstance(mEditText)).check(hasInsertionPointerOnLeft());
}
@SmallTest
public void testCursorIsInViewBoundariesWhenOnRightForRtl() {
// Asserts that when an EditText has RTL text, and cursor is at the end,
// cursor is drawn to the left edge of the view
setEditTextText(RTL_STRING, 0);
onView(sameInstance(mEditText)).check(hasInsertionPointerOnRight());
}
@SmallTest
public void testCursorIsInViewBoundariesWhenOnLeftForRtl() {
// Asserts that when an EditText has RTL text, and cursor is at the beginning,
// cursor is drawn to the right edge of the view
setEditTextText(RTL_STRING, RTL_STRING.length());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnLeft());
}
/* Tests for cursor positioning with hint */
@SmallTest
public void testCursorIsOnLeft_withFirstStrongLtrAlgorithm() {
setEditTextHint(null, TextView.TEXT_DIRECTION_FIRST_STRONG_LTR, 0);
assertThat(mEditText.getText().toString(), isEmptyString());
assertThat(mEditText.getHint(), nullValue());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnLeft());
setEditTextHint(RTL_HINT, TextView.TEXT_DIRECTION_FIRST_STRONG_LTR, 0);
assertThat(mEditText.getText().toString(), isEmptyString());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnLeft());
setEditTextHint(LTR_HINT, TextView.TEXT_DIRECTION_FIRST_STRONG_LTR, 0);
assertThat(mEditText.getText().toString(), isEmptyString());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnLeft());
}
@SmallTest
public void testCursorIsOnRight_withFirstStrongRtlAlgorithm() {
setEditTextHint(null, TextView.TEXT_DIRECTION_FIRST_STRONG_RTL, 0);
assertThat(mEditText.getText().toString(), isEmptyString());
assertThat(mEditText.getHint(), nullValue());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnRight());
setEditTextHint(LTR_HINT, TextView.TEXT_DIRECTION_FIRST_STRONG_RTL, 0);
assertThat(mEditText.getText().toString(), isEmptyString());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnRight());
setEditTextHint(RTL_HINT, TextView.TEXT_DIRECTION_FIRST_STRONG_RTL, 0);
assertThat(mEditText.getText().toString(), isEmptyString());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnRight());
}
@SmallTest
public void testCursorIsOnLeft_withLtrAlgorithm() {
setEditTextHint(null, TextView.TEXT_DIRECTION_LTR, 0);
assertThat(mEditText.getText().toString(), isEmptyString());
assertThat(mEditText.getHint(), nullValue());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnLeft());
setEditTextHint(RTL_HINT, TextView.TEXT_DIRECTION_LTR, 0);
assertThat(mEditText.getText().toString(), isEmptyString());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnLeft());
setEditTextHint(LTR_HINT, TextView.TEXT_DIRECTION_LTR, 0);
assertThat(mEditText.getText().toString(), isEmptyString());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnLeft());
}
@SmallTest
public void testCursorIsOnRight_withRtlAlgorithm() {
setEditTextHint(null, TextView.TEXT_DIRECTION_RTL, 0);
assertThat(mEditText.getText().toString(), isEmptyString());
assertThat(mEditText.getHint(), nullValue());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnRight());
setEditTextHint(LTR_HINT, TextView.TEXT_DIRECTION_RTL, 0);
assertThat(mEditText.getText().toString(), isEmptyString());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnRight());
setEditTextHint(RTL_HINT, TextView.TEXT_DIRECTION_RTL, 0);
assertThat(mEditText.getText().toString(), isEmptyString());
onView(sameInstance(mEditText)).check(hasInsertionPointerOnRight());
}
private void setEditTextProperties(final String text, final String hint,
final Integer textDirection, final Integer selection) {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
if (textDirection != null) mEditText.setTextDirection(textDirection);
if (text != null) mEditText.setText(text);
if (hint != null) mEditText.setHint(hint);
if (selection != null) mEditText.setSelection(selection);
}
});
getInstrumentation().waitForIdleSync();
// wait for cursor to be drawn. updateCursorPositions function is called during draw() and
// only when cursor is visible during blink.
final CountDownLatch latch = new CountDownLatch(1);
mEditText.postOnAnimationDelayed(new Runnable() {
@Override
public void run() {
latch.countDown();
}
}, CURSOR_BLINK_MS);
try {
assertThat("Problem while waiting for the cursor to blink",
latch.await(10, TimeUnit.SECONDS), equalTo(true));
} catch (Exception e) {
fail("Problem while waiting for the cursor to blink");
}
}
private void setEditTextHint(final String hint, final int textDirection, final int selection) {
setEditTextProperties(null, hint, textDirection, selection);
}
private void setEditTextText(final String text, final Integer selection) {
setEditTextProperties(text, null, null, selection);
}
}