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/*
* Copyright (C) 2011 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.contacts.common.format.testing;
import android.test.suitebuilder.annotation.SmallTest;
import android.text.Html;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.TextUtils;
import android.text.style.StyleSpan;
import android.widget.TextView;
import junit.framework.Assert;
/** Utility class to check the value of spanned text in text views. */
@SmallTest
public class SpannedTestUtils {
/**
* Checks that the text contained in the text view matches the given HTML text.
*
* @param expectedHtmlText the expected text to be in the text view
* @param textView the text view from which to get the text
*/
public static void checkHtmlText(String expectedHtmlText, TextView textView) {
String actualHtmlText = Html.toHtml((Spanned) textView.getText());
if (TextUtils.isEmpty(expectedHtmlText)) {
// If the text is empty, it does not add the <p></p> bits to it.
Assert.assertEquals("", actualHtmlText);
} else {
Assert.assertEquals("<p dir=ltr>" + expectedHtmlText + "</p>\n", actualHtmlText);
}
}
/**
* Assert span exists in the correct location.
*
* @param seq The spannable string to check.
* @param start The starting index.
* @param end The ending index.
*/
public static void assertPrefixSpan(CharSequence seq, int start, int end) {
Assert.assertTrue(seq instanceof Spanned);
Spanned spannable = (Spanned) seq;
if (start > 0) {
Assert.assertEquals(0, getNumForegroundColorSpansBetween(spannable, 0, start - 1));
}
Assert.assertEquals(1, getNumForegroundColorSpansBetween(spannable, start, end));
Assert.assertEquals(
0, getNumForegroundColorSpansBetween(spannable, end + 1, spannable.length() - 1));
}
private static int getNumForegroundColorSpansBetween(Spanned value, int start, int end) {
return value.getSpans(start, end, StyleSpan.class).length;
}
/**
* Asserts that the given character sequence is not a Spanned object and text is correct.
*
* @param seq The sequence to check.
* @param expected The expected text.
*/
public static void assertNotSpanned(CharSequence seq, String expected) {
Assert.assertFalse(seq instanceof Spanned);
Assert.assertEquals(expected, seq);
}
public static int getNextTransition(SpannableString seq, int start) {
return seq.nextSpanTransition(start, seq.length(), StyleSpan.class);
}
}
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