1 /* 2 * Copyright (C) 2011 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 com.android.contacts.format; 18 19 import android.text.Html; 20 import android.text.SpannableString; 21 import android.text.Spanned; 22 import android.text.TextUtils; 23 import android.text.style.StyleSpan; 24 import android.widget.TextView; 25 26 import junit.framework.Assert; 27 28 /** 29 * Utility class to check the value of spanned text in text views. 30 */ 31 public class SpannedTestUtils { 32 /** 33 * Checks that the text contained in the text view matches the given HTML text. 34 * 35 * @param expectedHtmlText the expected text to be in the text view 36 * @param textView the text view from which to get the text 37 */ 38 public static void checkHtmlText(String expectedHtmlText, TextView textView) { 39 String actualHtmlText = Html.toHtml((Spanned) textView.getText()); 40 if (TextUtils.isEmpty(expectedHtmlText)) { 41 // If the text is empty, it does not add the <p></p> bits to it. 42 Assert.assertEquals("", actualHtmlText); 43 } else { 44 Assert.assertEquals("<p dir=ltr>" + expectedHtmlText + "</p>\n", actualHtmlText); 45 } 46 } 47 48 49 /** 50 * Assert span exists in the correct location. 51 * 52 * @param seq The spannable string to check. 53 * @param start The starting index. 54 * @param end The ending index. 55 */ 56 public static void assertPrefixSpan(CharSequence seq, int start, int end) { 57 Assert.assertTrue(seq instanceof Spanned); 58 Spanned spannable = (Spanned) seq; 59 60 if (start > 0) { 61 Assert.assertEquals(0, getNumForegroundColorSpansBetween(spannable, 0, start - 1)); 62 } 63 Assert.assertEquals(1, getNumForegroundColorSpansBetween(spannable, start, end)); 64 Assert.assertEquals(0, getNumForegroundColorSpansBetween(spannable, end + 1, 65 spannable.length() - 1)); 66 } 67 68 private static int getNumForegroundColorSpansBetween(Spanned value, int start, int end) { 69 return value.getSpans(start, end, StyleSpan.class).length; 70 } 71 72 /** 73 * Asserts that the given character sequence is not a Spanned object and text is correct. 74 * 75 * @param seq The sequence to check. 76 * @param expected The expected text. 77 */ 78 public static void assertNotSpanned(CharSequence seq, String expected) { 79 Assert.assertFalse(seq instanceof Spanned); 80 Assert.assertEquals(expected, seq); 81 } 82 83 public static int getNextTransition(SpannableString seq, int start) { 84 return seq.nextSpanTransition(start, seq.length(), StyleSpan.class); 85 } 86 } 87
