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/*
* Copyright (C) 2008 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 com.google.android.collect.Lists;
import com.google.android.collect.Maps;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import android.text.GetChars;
import android.view.View;
import android.widget.TextView;
/**
* TextViewTest tests {@link TextView}.
*/
public class TextViewTest extends AndroidTestCase {
@SmallTest
public void testArray() throws Exception {
TextView tv = new TextView(mContext);
char[] c = new char[] { 'H', 'e', 'l', 'l', 'o', ' ',
'W', 'o', 'r', 'l', 'd', '!' };
tv.setText(c, 1, 4);
CharSequence oldText = tv.getText();
tv.setText(c, 4, 5);
CharSequence newText = tv.getText();
assertTrue(newText == oldText);
assertEquals(5, newText.length());
assertEquals('o', newText.charAt(0));
assertEquals("o Wor", newText.toString());
assertEquals(" Wo", newText.subSequence(1, 4));
char[] c2 = new char[7];
((GetChars) newText).getChars(1, 4, c2, 2);
assertEquals('\0', c2[1]);
assertEquals(' ', c2[2]);
assertEquals('W', c2[3]);
assertEquals('o', c2[4]);
assertEquals('\0', c2[5]);
}
@SmallTest
public void testTextDirectionDefault() {
TextView tv = new TextView(mContext);
assertEquals(View.TEXT_DIRECTION_INHERIT, tv.getTextDirection());
}
@SmallTest
public void testSetGetTextDirection() {
TextView tv = new TextView(mContext);
tv.setTextDirection(View.TEXT_DIRECTION_FIRST_STRONG);
assertEquals(View.TEXT_DIRECTION_FIRST_STRONG, tv.getTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_ANY_RTL);
assertEquals(View.TEXT_DIRECTION_ANY_RTL, tv.getTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_INHERIT);
assertEquals(View.TEXT_DIRECTION_INHERIT, tv.getTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_LTR);
assertEquals(View.TEXT_DIRECTION_LTR, tv.getTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_RTL);
assertEquals(View.TEXT_DIRECTION_RTL, tv.getTextDirection());
}
@SmallTest
public void testGetResolvedTextDirectionLtr() {
TextView tv = new TextView(mContext);
tv.setText("this is a test");
tv.setTextDirection(View.TEXT_DIRECTION_FIRST_STRONG);
assertEquals(View.TEXT_DIRECTION_LTR, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_ANY_RTL);
assertEquals(View.TEXT_DIRECTION_LTR, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_INHERIT);
assertEquals(View.TEXT_DIRECTION_LTR, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_LTR);
assertEquals(View.TEXT_DIRECTION_LTR, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_RTL);
assertEquals(View.TEXT_DIRECTION_RTL, tv.getResolvedTextDirection());
}
@SmallTest
public void testGetResolvedTextDirectionLtrWithInheritance() {
LinearLayout ll = new LinearLayout(mContext);
ll.setTextDirection(View.TEXT_DIRECTION_RTL);
TextView tv = new TextView(mContext);
tv.setText("this is a test");
ll.addView(tv);
tv.setTextDirection(View.TEXT_DIRECTION_FIRST_STRONG);
assertEquals(View.TEXT_DIRECTION_LTR, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_ANY_RTL);
assertEquals(View.TEXT_DIRECTION_LTR, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_INHERIT);
assertEquals(View.TEXT_DIRECTION_RTL, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_LTR);
assertEquals(View.TEXT_DIRECTION_LTR, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_RTL);
assertEquals(View.TEXT_DIRECTION_RTL, tv.getResolvedTextDirection());
}
@SmallTest
public void testGetResolvedTextDirectionRtl() {
TextView tv = new TextView(mContext);
tv.setText("\u05DD\u05DE"); // hebrew
tv.setTextDirection(View.TEXT_DIRECTION_FIRST_STRONG);
assertEquals(View.TEXT_DIRECTION_RTL, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_ANY_RTL);
assertEquals(View.TEXT_DIRECTION_RTL, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_INHERIT);
assertEquals(View.TEXT_DIRECTION_LTR, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_LTR);
assertEquals(View.TEXT_DIRECTION_LTR, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_RTL);
assertEquals(View.TEXT_DIRECTION_RTL, tv.getResolvedTextDirection());
}
@SmallTest
public void testGetResolvedTextDirectionRtlWithInheritance() {
LinearLayout ll = new LinearLayout(mContext);
ll.setTextDirection(View.TEXT_DIRECTION_RTL);
TextView tv = new TextView(mContext);
tv.setText("\u05DD\u05DE"); // hebrew
ll.addView(tv);
tv.setTextDirection(View.TEXT_DIRECTION_FIRST_STRONG);
assertEquals(View.TEXT_DIRECTION_RTL, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_ANY_RTL);
assertEquals(View.TEXT_DIRECTION_RTL, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_INHERIT);
assertEquals(View.TEXT_DIRECTION_RTL, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_LTR);
assertEquals(View.TEXT_DIRECTION_LTR, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_RTL);
assertEquals(View.TEXT_DIRECTION_RTL, tv.getResolvedTextDirection());
}
@SmallTest
public void testCharCountHeuristic() {
LinearLayout ll = new LinearLayout(mContext);
ll.setLayoutDirection(View.LAYOUT_DIRECTION_RTL);
TextView tv = new TextView(mContext);
ll.addView(tv);
tv.setTextDirection(View.TEXT_DIRECTION_CHAR_COUNT);
tv.setText("this is a test");
assertEquals(View.TEXT_DIRECTION_LTR, tv.getResolvedTextDirection());
// resetResolvedTextDirection is not part of the public API so simply use setTextDirection
tv.setTextDirection(View.TEXT_DIRECTION_LTR);
tv.setTextDirection(View.TEXT_DIRECTION_CHAR_COUNT);
tv.setText("\u05DD\u05DE"); // hebrew
assertEquals(View.TEXT_DIRECTION_RTL, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_LTR);
tv.setTextDirection(View.TEXT_DIRECTION_CHAR_COUNT);
tv.setText("this is a test \u05DD\u05DE"); // latin more than 60% + hebrew
assertEquals(View.TEXT_DIRECTION_LTR, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_LTR);
tv.setTextDirection(View.TEXT_DIRECTION_CHAR_COUNT);
tv.setText("t \u05DD\u05DE"); // latin + hebrew more than 60%
assertEquals(View.TEXT_DIRECTION_RTL, tv.getResolvedTextDirection());
tv.setTextDirection(View.TEXT_DIRECTION_LTR);
tv.setTextDirection(View.TEXT_DIRECTION_CHAR_COUNT);
tv.setText("ab \u05DD\u05DE"); // latin + hebrew at 50% each
assertEquals(View.TEXT_DIRECTION_RTL, tv.getResolvedTextDirection());
}
}
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