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/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* 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.intellij.util.text;
import com.intellij.openapi.util.text.StringUtil;
import junit.framework.TestCase;
import java.nio.CharBuffer;
import java.util.*;
/**
* @author Eugene Zhuravlev
* @since Dec 22, 2006
*/
public class StringUtilTest extends TestCase {
public void testToUpperCase() {
assertEquals('/', StringUtil.toUpperCase('/'));
assertEquals(':', StringUtil.toUpperCase(':'));
assertEquals('A', StringUtil.toUpperCase('a'));
assertEquals('A', StringUtil.toUpperCase('A'));
assertEquals('K', StringUtil.toUpperCase('k'));
assertEquals('K', StringUtil.toUpperCase('K'));
assertEquals('\u2567', StringUtil.toUpperCase(Character.toLowerCase('\u2567')));
}
public void testToLowerCase() {
assertEquals('/', StringUtil.toLowerCase('/'));
assertEquals(':', StringUtil.toLowerCase(':'));
assertEquals('a', StringUtil.toLowerCase('a'));
assertEquals('a', StringUtil.toLowerCase('A'));
assertEquals('k', StringUtil.toLowerCase('k'));
assertEquals('k', StringUtil.toLowerCase('K'));
assertEquals('\u2567', StringUtil.toUpperCase(Character.toLowerCase('\u2567')));
}
public void testIsEmptyOrSpaces() throws Exception {
assertTrue(StringUtil.isEmptyOrSpaces(null));
assertTrue(StringUtil.isEmptyOrSpaces(""));
assertTrue(StringUtil.isEmptyOrSpaces(" "));
assertFalse(StringUtil.isEmptyOrSpaces("1"));
assertFalse(StringUtil.isEmptyOrSpaces(" 12345 "));
assertFalse(StringUtil.isEmptyOrSpaces("test"));
}
public void testSplitWithQuotes() {
final List<String> strings = StringUtil.splitHonorQuotes("aaa bbb ccc \"ddd\" \"e\\\"e\\\"e\" ", ' ');
assertEquals(5, strings.size());
assertEquals("aaa", strings.get(0));
assertEquals("bbb", strings.get(1));
assertEquals("ccc", strings.get(2));
assertEquals("\"ddd\"", strings.get(3));
assertEquals("\"e\\\"e\\\"e\"", strings.get(4));
}
public void testUnpluralize() {
assertEquals("s", StringUtil.unpluralize("s"));
assertEquals("z", StringUtil.unpluralize("zs"));
}
public void testStartsWithConcatenation() {
assertTrue(StringUtil.startsWithConcatenation("something.with.dot", "something", "."));
assertTrue(StringUtil.startsWithConcatenation("something.with.dot", "", "something."));
assertTrue(StringUtil.startsWithConcatenation("something.", "something", "."));
assertTrue(StringUtil.startsWithConcatenation("something", "something", "", "", ""));
assertFalse(StringUtil.startsWithConcatenation("something", "something", "", "", "."));
assertFalse(StringUtil.startsWithConcatenation("some", "something", ""));
}
public void testNaturalCompare() {
assertEquals(1, StringUtil.naturalCompare("test011", "test10"));
assertEquals(1, StringUtil.naturalCompare("test10a", "test010"));
final List<String> strings = new ArrayList<String>(Arrays.asList("Test99", "tes0", "test0", "testing", "test", "test99", "test011", "test1",
"test 3", "test2", "test10a", "test10", "1.2.10.5", "1.2.9.1"));
final Comparator<String> c = new Comparator<String>() {
@Override
public int compare(String o1, String o2) {
return StringUtil.naturalCompare(o1, o2);
}
};
Collections.sort(strings, c);
assertEquals(Arrays.asList("1.2.9.1", "1.2.10.5", "tes0", "test", "test0", "test1", "test2", "test 3", "test10", "test10a",
"test011", "Test99", "test99", "testing"), strings);
final List<String> strings2 = new ArrayList<String>(Arrays.asList("t1", "t001", "T2", "T002", "T1", "t2"));
Collections.sort(strings2, c);
assertEquals(Arrays.asList("T1", "t1", "t001", "T2", "t2", "T002"), strings2);
assertEquals(1 ,StringUtil.naturalCompare("7403515080361171695", "07403515080361171694"));
assertEquals(-14, StringUtil.naturalCompare("_firstField", "myField1"));
//idea-80853
final List<String> strings3 = new ArrayList<String>(
Arrays.asList("C148A_InsomniaCure", "C148B_Escape", "C148C_TersePrincess", "C148D_BagOfMice", "C148E_Porcelain"));
Collections.sort(strings3, c);
assertEquals(Arrays.asList("C148A_InsomniaCure", "C148B_Escape", "C148C_TersePrincess", "C148D_BagOfMice", "C148E_Porcelain"), strings3);
}
public void testFormatLinks() {
assertEquals("<a href=\"http://a-b+c\">http://a-b+c</a>", StringUtil.formatLinks("http://a-b+c"));
}
public void testCopyHeapCharBuffer() {
String s = "abcde";
CharBuffer buffer = CharBuffer.allocate(s.length());
buffer.append(s);
buffer.rewind();
assertNotNull(CharArrayUtil.fromSequenceWithoutCopying(buffer));
assertNotNull(CharArrayUtil.fromSequenceWithoutCopying(buffer.subSequence(0, 5)));
//assertNull(CharArrayUtil.fromSequenceWithoutCopying(buffer.subSequence(0, 4))); // end index is not checked
assertNull(CharArrayUtil.fromSequenceWithoutCopying(buffer.subSequence(1, 5)));
assertNull(CharArrayUtil.fromSequenceWithoutCopying(buffer.subSequence(1, 2)));
}
public void testTitleCase() {
assertEquals("Couldn't Connect to Debugger", StringUtil.wordsToBeginFromUpperCase("Couldn't connect to debugger"));
}
public void testEscapeStringCharacters() {
assertEquals("\\\"\\n", StringUtil.escapeStringCharacters(3, "\\\"\n", "\"", false, new StringBuilder()).toString());
assertEquals("\\\"\\n", StringUtil.escapeStringCharacters(2, "\"\n", "\"", false, new StringBuilder()).toString());
assertEquals("\\\\\\\"\\n", StringUtil.escapeStringCharacters(3, "\\\"\n", "\"", true, new StringBuilder()).toString());
}
public void testEscapeSlashes() {
assertEquals("\\/", StringUtil.escapeSlashes("/"));
assertEquals("foo\\/bar\\foo\\/", StringUtil.escapeSlashes("foo/bar\\foo/"));
assertEquals("\\\\\\\\server\\\\share\\\\extension.crx", StringUtil.escapeBackSlashes("\\\\server\\share\\extension.crx"));
}
public void testEscapeQuotes() {
assertEquals("\\\"", StringUtil.escapeQuotes("\""));
assertEquals("foo\\\"bar'\\\"", StringUtil.escapeQuotes("foo\"bar'\""));
}
public void testUnqote() {
assertEquals("", StringUtil.unquoteString(""));
assertEquals("\"", StringUtil.unquoteString("\""));
assertEquals("", StringUtil.unquoteString("\"\""));
assertEquals("\"", StringUtil.unquoteString("\"\"\""));
assertEquals("foo", StringUtil.unquoteString("\"foo\""));
assertEquals("\"foo", StringUtil.unquoteString("\"foo"));
assertEquals("foo\"", StringUtil.unquoteString("foo\""));
assertEquals("", StringUtil.unquoteString(""));
assertEquals("\'", StringUtil.unquoteString("\'"));
assertEquals("", StringUtil.unquoteString("\'\'"));
assertEquals("\'", StringUtil.unquoteString("\'\'\'"));
assertEquals("foo", StringUtil.unquoteString("\'foo\'"));
assertEquals("\'foo", StringUtil.unquoteString("\'foo"));
assertEquals("foo\'", StringUtil.unquoteString("foo\'"));
assertEquals("\'\"", StringUtil.unquoteString("\'\""));
assertEquals("\"\'", StringUtil.unquoteString("\"\'"));
assertEquals("\"foo\'", StringUtil.unquoteString("\"foo\'"));
}
public void testUnqoteWithQuotationChar() {
assertEquals("", StringUtil.unquoteString("", '|'));
assertEquals("|", StringUtil.unquoteString("|", '|'));
assertEquals("", StringUtil.unquoteString("||", '|'));
assertEquals("|", StringUtil.unquoteString("|||", '|'));
assertEquals("foo", StringUtil.unquoteString("|foo|", '|'));
assertEquals("|foo", StringUtil.unquoteString("|foo", '|'));
assertEquals("foo|", StringUtil.unquoteString("foo|", '|'));
}
public void testJoin() {
assertEquals("foo,,bar", StringUtil.join(Arrays.asList("foo", "", "bar"), ","));
assertEquals("foo,,bar", StringUtil.join(new String[]{"foo", "", "bar"}, ","));
}
public void testSplitByLineKeepingSeparators() {
assertEquals(Arrays.asList(""), Arrays.asList(StringUtil.splitByLinesKeepSeparators("")));
assertEquals(Arrays.asList("aa"), Arrays.asList(StringUtil.splitByLinesKeepSeparators("aa")));
assertEquals(Arrays.asList("\n", "\n", "aa\n", "\n", "bb\n", "cc\n", "\n"),
Arrays.asList(StringUtil.splitByLinesKeepSeparators("\n\naa\n\nbb\ncc\n\n")));
assertEquals(Arrays.asList("\r", "\r\n", "\r"), Arrays.asList(StringUtil.splitByLinesKeepSeparators("\r\r\n\r")));
assertEquals(Arrays.asList("\r\n", "\r", "\r\n"), Arrays.asList(StringUtil.splitByLinesKeepSeparators("\r\n\r\r\n")));
assertEquals(Arrays.asList("\n", "\r\n", "\n", "\r\n", "\r", "\r", "aa\r", "bb\r\n", "cc\n", "\r", "dd\n", "\n", "\r\n", "\r"),
Arrays.asList(StringUtil.splitByLinesKeepSeparators("\n\r\n\n\r\n\r\raa\rbb\r\ncc\n\rdd\n\n\r\n\r")));
}
public void testShortened() {
String[] names = {"AVeryVeeryLongClassName.java", "com.test.SomeJAVAClassName.java", "strangelowercaseclassname.java", "PrefixPostfix.java", "SomeJAVAClassName.java"};
for (String name : names) {
for (int i = name.length() + 1; i > 15; i--) {
String shortened = StringUtil.getShortened(name, i);
assertTrue(shortened.length() <= i);
assertTrue(!shortened.contains("...."));
int pos = shortened.indexOf("...");
if (pos != -1) {
assertTrue(name.startsWith(shortened.substring(0, pos)));
assertTrue(name.endsWith(shortened.substring(pos + 3)));
}
else {
assertEquals(shortened, name);
}
}
}
}
}
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