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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.format;
import android.database.CharArrayBuffer;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
/**
* Test cases for format utility methods.
*/
@SmallTest
public class FormatUtilsTests extends AndroidTestCase {
public void testOverlapPoint() throws Exception {
assertEquals(2, FormatUtils.overlapPoint("abcde", "cdefg"));
assertEquals(-1, FormatUtils.overlapPoint("John Doe", "John Doe"));
assertEquals(5, FormatUtils.overlapPoint("John Doe", "Doe, John"));
assertEquals(-1, FormatUtils.overlapPoint("Mr. John Doe", "Mr. Doe, John"));
assertEquals(13, FormatUtils.overlapPoint("John Herbert Doe", "Doe, John Herbert"));
}
public void testCopyToCharArrayBuffer() {
CharArrayBuffer charArrayBuffer = new CharArrayBuffer(20);
checkCopyToCharArrayBuffer(charArrayBuffer, null, 0);
checkCopyToCharArrayBuffer(charArrayBuffer, "", 0);
checkCopyToCharArrayBuffer(charArrayBuffer, "test", 4);
// Check that it works after copying something into it.
checkCopyToCharArrayBuffer(charArrayBuffer, "", 0);
checkCopyToCharArrayBuffer(charArrayBuffer, "test", 4);
checkCopyToCharArrayBuffer(charArrayBuffer, null, 0);
// This requires a resize of the actual buffer.
checkCopyToCharArrayBuffer(charArrayBuffer, "test test test test test", 24);
}
public void testCharArrayBufferToString() {
checkCharArrayBufferToString("");
checkCharArrayBufferToString("test");
checkCharArrayBufferToString("test test test test test");
}
/** Checks that copying a string into a {@link CharArrayBuffer} and back works correctly. */
private void checkCharArrayBufferToString(String text) {
CharArrayBuffer buffer = new CharArrayBuffer(20);
FormatUtils.copyToCharArrayBuffer(text, buffer);
assertEquals(text, FormatUtils.charArrayBufferToString(buffer));
}
/**
* Checks that copying into the char array buffer copies the values correctly.
*/
private void checkCopyToCharArrayBuffer(CharArrayBuffer buffer, String value, int length) {
FormatUtils.copyToCharArrayBuffer(value, buffer);
assertEquals(length, buffer.sizeCopied);
for (int index = 0; index < length; ++index) {
assertEquals(value.charAt(index), buffer.data[index]);
}
}
public void testIndexOfWordPrefix_NullPrefix() {
assertEquals(-1, FormatUtils.indexOfWordPrefix("test", null));
}
public void testIndexOfWordPrefix_NullText() {
assertEquals(-1, FormatUtils.indexOfWordPrefix(null, "TE"));
}
public void testIndexOfWordPrefix_MatchingPrefix() {
checkIndexOfWordPrefix("test", "TE", 0);
checkIndexOfWordPrefix("Test", "TE", 0);
checkIndexOfWordPrefix("TEst", "TE", 0);
checkIndexOfWordPrefix("TEST", "TE", 0);
checkIndexOfWordPrefix("a test", "TE", 2);
checkIndexOfWordPrefix("test test", "TE", 0);
checkIndexOfWordPrefix("a test test", "TE", 2);
}
public void testIndexOfWordPrefix_NotMatchingPrefix() {
checkIndexOfWordPrefix("test", "TA", -1);
checkIndexOfWordPrefix("test type theme", "TA", -1);
checkIndexOfWordPrefix("atest retest pretest", "TEST", -1);
checkIndexOfWordPrefix("tes", "TEST", -1);
}
public void testIndexOfWordPrefix_LowerCase() {
// The prefix match only works if the prefix is un upper case.
checkIndexOfWordPrefix("test", "te", -1);
}
/**
* Checks that getting the index of a word prefix in the given text returns the expected index.
*
* @param text the text in which to look for the word
* @param wordPrefix the word prefix to look for
* @param expectedIndex the expected value to be returned by the function
*/
private void checkIndexOfWordPrefix(String text, String wordPrefix, int expectedIndex) {
assertEquals(expectedIndex, FormatUtils.indexOfWordPrefix(text, wordPrefix));
}
}
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