sdk/sources/android-23/android/widget/TextViewTest.java

   1 /*
   2  * Copyright (C) 2008 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package android.widget;
  18
  19 import android.app.Activity;
  20 import android.content.Intent;
  21 import android.test.AndroidTestCase;
  22 import android.test.suitebuilder.annotation.SmallTest;
  23 import android.text.GetChars;
  24 import android.text.Selection;
  25 import android.text.Spannable;
  26
  27 /**
  28  * TextViewTest tests {@link TextView}.
  29  */
  30 public class TextViewTest extends AndroidTestCase {
  31
  32     @SmallTest
  33     public void testArray() throws Exception {
  34         TextView tv = new TextView(mContext);
  35
  36         char[] c = new char[] { 'H', 'e', 'l', 'l', 'o', ' ',
  37                                 'W', 'o', 'r', 'l', 'd', '!' };
  38
  39         tv.setText(c, 1, 4);
  40         CharSequence oldText = tv.getText();
  41
  42         tv.setText(c, 4, 5);
  43         CharSequence newText = tv.getText();
  44
  45         assertTrue(newText == oldText);
  46
  47         assertEquals(5, newText.length());
  48         assertEquals('o', newText.charAt(0));
  49         assertEquals("o Wor", newText.toString());
  50
  51         assertEquals(" Wo", newText.subSequence(1, 4));
  52
  53         char[] c2 = new char[7];
  54         ((GetChars) newText).getChars(1, 4, c2, 2);
  55         assertEquals('\0', c2[1]);
  56         assertEquals(' ', c2[2]);
  57         assertEquals('W', c2[3]);
  58         assertEquals('o', c2[4]);
  59         assertEquals('\0', c2[5]);
  60     }
  61
  62     public void testProcessTextActivityResultNonEditable() {
  63         TextView tv = new TextView(mContext);
  64         CharSequence originalText = "This is some text.";
  65         tv.setText(originalText, TextView.BufferType.SPANNABLE);
  66         assertEquals(originalText, tv.getText().toString());
  67         tv.setTextIsSelectable(true);
  68         Selection.setSelection((Spannable) tv.getText(), 0, tv.getText().length());
  69
  70         CharSequence newText = "Text is replaced.";
  71         Intent data = new Intent();
  72         data.putExtra(Intent.EXTRA_PROCESS_TEXT, newText);
  73         tv.onActivityResult(TextView.PROCESS_TEXT_REQUEST_CODE, Activity.RESULT_OK, data);
  74
  75         // This is a TextView, which can't be modified. Hence no change should have been made.
  76         assertEquals(originalText, tv.getText().toString());
  77     }
  78
  79     public void testProcessTextActivityResultEditable() {
  80         EditText tv = new EditText(mContext);
  81         CharSequence originalText = "This is some text.";
  82         tv.setText(originalText, TextView.BufferType.SPANNABLE);
  83         assertEquals(originalText, tv.getText().toString());
  84         tv.setTextIsSelectable(true);
  85         Selection.setSelection(tv.getText(), 0, tv.getText().length());
  86
  87         CharSequence newText = "Text is replaced.";
  88         Intent data = new Intent();
  89         data.putExtra(Intent.EXTRA_PROCESS_TEXT, newText);
  90         tv.onActivityResult(TextView.PROCESS_TEXT_REQUEST_CODE, Activity.RESULT_OK, data);
  91
  92         assertEquals(newText, tv.getText().toString());
  93     }
  94
  95     public void testProcessTextActivityResultCancel() {
  96         EditText tv = new EditText(mContext);
  97         CharSequence originalText = "This is some text.";
  98         tv.setText(originalText, TextView.BufferType.SPANNABLE);
  99         assertEquals(originalText, tv.getText().toString());
 100         tv.setTextIsSelectable(true);
 101         Selection.setSelection(tv.getText(), 0, tv.getText().length());
 102
 103         CharSequence newText = "Text is replaced.";
 104         Intent data = new Intent();
 105         data.putExtra(Intent.EXTRA_PROCESS_TEXT, newText);
 106         tv.onActivityResult(TextView.PROCESS_TEXT_REQUEST_CODE, Activity.RESULT_CANCELED, data);
 107
 108         assertEquals(originalText, tv.getText().toString());
 109     }
 110
 111     public void testProcessTextActivityNoData() {
 112         EditText tv = new EditText(mContext);
 113         CharSequence originalText = "This is some text.";
 114         tv.setText(originalText, TextView.BufferType.SPANNABLE);
 115         assertEquals(originalText, tv.getText().toString());
 116         tv.setTextIsSelectable(true);
 117         Selection.setSelection(tv.getText(), 0, tv.getText().length());
 118
 119         tv.onActivityResult(TextView.PROCESS_TEXT_REQUEST_CODE, Activity.RESULT_OK, null);
 120
 121         assertEquals(originalText, tv.getText().toString());
 122     }
 123 }