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/*
* Copyright (C) 2012 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.inputmethod.latin;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import android.text.TextUtils;
import java.util.Locale;
@SmallTest
public class StringUtilsTests extends AndroidTestCase {
public void testContainsInArray() {
assertFalse("empty array", StringUtils.containsInArray("key", new String[0]));
assertFalse("not in 1 element", StringUtils.containsInArray("key", new String[] {
"key1"
}));
assertFalse("not in 2 elements", StringUtils.containsInArray("key", new String[] {
"key1", "key2"
}));
assertTrue("in 1 element", StringUtils.containsInArray("key", new String[] {
"key"
}));
assertTrue("in 2 elements", StringUtils.containsInArray("key", new String[] {
"key1", "key"
}));
}
public void testContainsInCsv() {
assertFalse("null", StringUtils.containsInCsv("key", null));
assertFalse("empty", StringUtils.containsInCsv("key", ""));
assertFalse("not in 1 element", StringUtils.containsInCsv("key", "key1"));
assertFalse("not in 2 elements", StringUtils.containsInCsv("key", "key1,key2"));
assertTrue("in 1 element", StringUtils.containsInCsv("key", "key"));
assertTrue("in 2 elements", StringUtils.containsInCsv("key", "key1,key"));
}
public void testAppendToCsvIfNotExists() {
assertEquals("null", "key", StringUtils.appendToCsvIfNotExists("key", null));
assertEquals("empty", "key", StringUtils.appendToCsvIfNotExists("key", ""));
assertEquals("not in 1 element", "key1,key",
StringUtils.appendToCsvIfNotExists("key", "key1"));
assertEquals("not in 2 elements", "key1,key2,key",
StringUtils.appendToCsvIfNotExists("key", "key1,key2"));
assertEquals("in 1 element", "key",
StringUtils.appendToCsvIfNotExists("key", "key"));
assertEquals("in 2 elements at position 1", "key,key2",
StringUtils.appendToCsvIfNotExists("key", "key,key2"));
assertEquals("in 2 elements at position 2", "key1,key",
StringUtils.appendToCsvIfNotExists("key", "key1,key"));
assertEquals("in 3 elements at position 2", "key1,key,key3",
StringUtils.appendToCsvIfNotExists("key", "key1,key,key3"));
}
public void testRemoveFromCsvIfExists() {
assertEquals("null", "", StringUtils.removeFromCsvIfExists("key", null));
assertEquals("empty", "", StringUtils.removeFromCsvIfExists("key", ""));
assertEquals("not in 1 element", "key1",
StringUtils.removeFromCsvIfExists("key", "key1"));
assertEquals("not in 2 elements", "key1,key2",
StringUtils.removeFromCsvIfExists("key", "key1,key2"));
assertEquals("in 1 element", "",
StringUtils.removeFromCsvIfExists("key", "key"));
assertEquals("in 2 elements at position 1", "key2",
StringUtils.removeFromCsvIfExists("key", "key,key2"));
assertEquals("in 2 elements at position 2", "key1",
StringUtils.removeFromCsvIfExists("key", "key1,key"));
assertEquals("in 3 elements at position 2", "key1,key3",
StringUtils.removeFromCsvIfExists("key", "key1,key,key3"));
assertEquals("in 3 elements at position 1,2,3", "",
StringUtils.removeFromCsvIfExists("key", "key,key,key"));
assertEquals("in 5 elements at position 2,4", "key1,key3,key5",
StringUtils.removeFromCsvIfExists("key", "key1,key,key3,key,key5"));
}
private void onePathForCaps(final CharSequence cs, final int expectedResult, final int mask,
final Locale l, final boolean hasSpaceBefore) {
int oneTimeResult = expectedResult & mask;
assertEquals("After >" + cs + "<", oneTimeResult,
StringUtils.getCapsMode(cs, mask, l, hasSpaceBefore));
}
private void allPathsForCaps(final CharSequence cs, final int expectedResult, final Locale l,
final boolean hasSpaceBefore) {
final int c = TextUtils.CAP_MODE_CHARACTERS;
final int w = TextUtils.CAP_MODE_WORDS;
final int s = TextUtils.CAP_MODE_SENTENCES;
onePathForCaps(cs, expectedResult, c | w | s, l, hasSpaceBefore);
onePathForCaps(cs, expectedResult, w | s, l, hasSpaceBefore);
onePathForCaps(cs, expectedResult, c | s, l, hasSpaceBefore);
onePathForCaps(cs, expectedResult, c | w, l, hasSpaceBefore);
onePathForCaps(cs, expectedResult, c, l, hasSpaceBefore);
onePathForCaps(cs, expectedResult, w, l, hasSpaceBefore);
onePathForCaps(cs, expectedResult, s, l, hasSpaceBefore);
}
public void testGetCapsMode() {
final int c = TextUtils.CAP_MODE_CHARACTERS;
final int w = TextUtils.CAP_MODE_WORDS;
final int s = TextUtils.CAP_MODE_SENTENCES;
Locale l = Locale.ENGLISH;
allPathsForCaps("", c | w | s, l, false);
allPathsForCaps("Word", c, l, false);
allPathsForCaps("Word.", c, l, false);
allPathsForCaps("Word ", c | w, l, false);
allPathsForCaps("Word. ", c | w | s, l, false);
allPathsForCaps("Word..", c, l, false);
allPathsForCaps("Word.. ", c | w | s, l, false);
allPathsForCaps("Word... ", c | w | s, l, false);
allPathsForCaps("Word ... ", c | w | s, l, false);
allPathsForCaps("Word . ", c | w, l, false);
allPathsForCaps("In the U.S ", c | w, l, false);
allPathsForCaps("In the U.S. ", c | w, l, false);
allPathsForCaps("Some stuff (e.g. ", c | w, l, false);
allPathsForCaps("In the U.S.. ", c | w | s, l, false);
allPathsForCaps("\"Word.\" ", c | w | s, l, false);
allPathsForCaps("\"Word\". ", c | w | s, l, false);
allPathsForCaps("\"Word\" ", c | w, l, false);
// Test for phantom space
allPathsForCaps("Word", c | w, l, true);
allPathsForCaps("Word.", c | w | s, l, true);
// Tests after some whitespace
allPathsForCaps("Word\n", c | w | s, l, false);
allPathsForCaps("Word\n", c | w | s, l, true);
allPathsForCaps("Word\n ", c | w | s, l, true);
allPathsForCaps("Word.\n", c | w | s, l, false);
allPathsForCaps("Word.\n", c | w | s, l, true);
allPathsForCaps("Word.\n ", c | w | s, l, true);
l = Locale.FRENCH;
allPathsForCaps("\"Word.\" ", c | w, l, false);
allPathsForCaps("\"Word\". ", c | w | s, l, false);
allPathsForCaps("\"Word\" ", c | w, l, false);
}
}
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