/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.commons.lang3.text;
import org.junit.Test;
import static org.junit.Assert.*;
import java.io.Reader;
import java.io.Writer;
import java.util.Arrays;
import org.apache.commons.lang3.ArrayUtils;
/**
* Unit tests for {@link org.apache.commons.lang3.text.StrBuilder}.
*
* @version $Id$
*/
public class StrBuilderTest {
//-----------------------------------------------------------------------
@Test
public void testConstructors() {
final StrBuilder sb0 = new StrBuilder();
assertEquals(32, sb0.capacity());
assertEquals(0, sb0.length());
assertEquals(0, sb0.size());
final StrBuilder sb1 = new StrBuilder(32);
assertEquals(32, sb1.capacity());
assertEquals(0, sb1.length());
assertEquals(0, sb1.size());
final StrBuilder sb2 = new StrBuilder(0);
assertEquals(32, sb2.capacity());
assertEquals(0, sb2.length());
assertEquals(0, sb2.size());
final StrBuilder sb3 = new StrBuilder(-1);
assertEquals(32, sb3.capacity());
assertEquals(0, sb3.length());
assertEquals(0, sb3.size());
final StrBuilder sb4 = new StrBuilder(1);
assertEquals(1, sb4.capacity());
assertEquals(0, sb4.length());
assertEquals(0, sb4.size());
final StrBuilder sb5 = new StrBuilder((String) null);
assertEquals(32, sb5.capacity());
assertEquals(0, sb5.length());
assertEquals(0, sb5.size());
final StrBuilder sb6 = new StrBuilder("");
assertEquals(32, sb6.capacity());
assertEquals(0, sb6.length());
assertEquals(0, sb6.size());
final StrBuilder sb7 = new StrBuilder("foo");
assertEquals(35, sb7.capacity());
assertEquals(3, sb7.length());
assertEquals(3, sb7.size());
}
//-----------------------------------------------------------------------
@Test
public void testChaining() {
final StrBuilder sb = new StrBuilder();
assertSame(sb, sb.setNewLineText(null));
assertSame(sb, sb.setNullText(null));
assertSame(sb, sb.setLength(1));
assertSame(sb, sb.setCharAt(0, 'a'));
assertSame(sb, sb.ensureCapacity(0));
assertSame(sb, sb.minimizeCapacity());
assertSame(sb, sb.clear());
assertSame(sb, sb.reverse());
assertSame(sb, sb.trim());
}
//-----------------------------------------------------------------------
@Test
public void testGetSetNewLineText() {
final StrBuilder sb = new StrBuilder();
assertEquals(null, sb.getNewLineText());
sb.setNewLineText("#");
assertEquals("#", sb.getNewLineText());
sb.setNewLineText("");
assertEquals("", sb.getNewLineText());
sb.setNewLineText((String) null);
assertEquals(null, sb.getNewLineText());
}
//-----------------------------------------------------------------------
@Test
public void testGetSetNullText() {
final StrBuilder sb = new StrBuilder();
assertEquals(null, sb.getNullText());
sb.setNullText("null");
assertEquals("null", sb.getNullText());
sb.setNullText("");
assertEquals(null, sb.getNullText());
sb.setNullText("NULL");
assertEquals("NULL", sb.getNullText());
sb.setNullText((String) null);
assertEquals(null, sb.getNullText());
}
//-----------------------------------------------------------------------
@Test
public void testCapacityAndLength() {
final StrBuilder sb = new StrBuilder();
assertEquals(32, sb.capacity());
assertEquals(0, sb.length());
assertEquals(0, sb.size());
assertTrue(sb.isEmpty());
sb.minimizeCapacity();
assertEquals(0, sb.capacity());
assertEquals(0, sb.length());
assertEquals(0, sb.size());
assertTrue(sb.isEmpty());
sb.ensureCapacity(32);
assertTrue(sb.capacity() >= 32);
assertEquals(0, sb.length());
assertEquals(0, sb.size());
assertTrue(sb.isEmpty());
sb.append("foo");
assertTrue(sb.capacity() >= 32);
assertEquals(3, sb.length());
assertEquals(3, sb.size());
assertTrue(sb.isEmpty() == false);
sb.clear();
assertTrue(sb.capacity() >= 32);
assertEquals(0, sb.length());
assertEquals(0, sb.size());
assertTrue(sb.isEmpty());
sb.append("123456789012345678901234567890123");
assertTrue(sb.capacity() > 32);
assertEquals(33, sb.length());
assertEquals(33, sb.size());
assertTrue(sb.isEmpty() == false);
sb.ensureCapacity(16);
assertTrue(sb.capacity() > 16);
assertEquals(33, sb.length());
assertEquals(33, sb.size());
assertTrue(sb.isEmpty() == false);
sb.minimizeCapacity();
assertEquals(33, sb.capacity());
assertEquals(33, sb.length());
assertEquals(33, sb.size());
assertTrue(sb.isEmpty() == false);
try {
sb.setLength(-1);
fail("setLength(-1) expected StringIndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {
// expected
}
sb.setLength(33);
assertEquals(33, sb.capacity());
assertEquals(33, sb.length());
assertEquals(33, sb.size());
assertTrue(sb.isEmpty() == false);
sb.setLength(16);
assertTrue(sb.capacity() >= 16);
assertEquals(16, sb.length());
assertEquals(16, sb.size());
assertEquals("1234567890123456", sb.toString());
assertTrue(sb.isEmpty() == false);
sb.setLength(32);
assertTrue(sb.capacity() >= 32);
assertEquals(32, sb.length());
assertEquals(32, sb.size());
assertEquals("1234567890123456\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", sb.toString());
assertTrue(sb.isEmpty() == false);
sb.setLength(0);
assertTrue(sb.capacity() >= 32);
assertEquals(0, sb.length());
assertEquals(0, sb.size());
assertTrue(sb.isEmpty());
}
//-----------------------------------------------------------------------
@Test
public void testLength() {
final StrBuilder sb = new StrBuilder();
assertEquals(0, sb.length());
sb.append("Hello");
assertEquals(5, sb.length());
}
@Test
public void testSetLength() {
final StrBuilder sb = new StrBuilder();
sb.append("Hello");
sb.setLength(2); // shorten
assertEquals("He", sb.toString());
sb.setLength(2); // no change
assertEquals("He", sb.toString());
sb.setLength(3); // lengthen
assertEquals("He\0", sb.toString());
try {
sb.setLength(-1);
fail("setLength(-1) expected StringIndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {
// expected
}
}
//-----------------------------------------------------------------------
@Test
public void testCapacity() {
final StrBuilder sb = new StrBuilder();
assertEquals(sb.buffer.length, sb.capacity());
sb.append("HelloWorldHelloWorldHelloWorldHelloWorld");
assertEquals(sb.buffer.length, sb.capacity());
}
@Test
public void testEnsureCapacity() {
final StrBuilder sb = new StrBuilder();
sb.ensureCapacity(2);
assertTrue(sb.capacity() >= 2);
sb.ensureCapacity(-1);
assertTrue(sb.capacity() >= 0);
sb.append("HelloWorld");
sb.ensureCapacity(40);
assertTrue(sb.capacity() >= 40);
}
@Test
public void testMinimizeCapacity() {
final StrBuilder sb = new StrBuilder();
sb.minimizeCapacity();
assertEquals(0, sb.capacity());
sb.append("HelloWorld");
sb.minimizeCapacity();
assertEquals(10, sb.capacity());
}
//-----------------------------------------------------------------------
@Test
public void testSize() {
final StrBuilder sb = new StrBuilder();
assertEquals(0, sb.size());
sb.append("Hello");
assertEquals(5, sb.size());
}
@Test
public void testIsEmpty() {
final StrBuilder sb = new StrBuilder();
assertTrue(sb.isEmpty());
sb.append("Hello");
assertFalse(sb.isEmpty());
sb.clear();
assertTrue(sb.isEmpty());
}
@Test
public void testClear() {
final StrBuilder sb = new StrBuilder();
sb.append("Hello");
sb.clear();
assertEquals(0, sb.length());
assertTrue(sb.buffer.length >= 5);
}
//-----------------------------------------------------------------------
@Test
public void testCharAt() {
final StrBuilder sb = new StrBuilder();
try {
sb.charAt(0);
fail("charAt(0) expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {
// expected
}
try {
sb.charAt(-1);
fail("charAt(-1) expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {
// expected
}
sb.append("foo");
assertEquals('f', sb.charAt(0));
assertEquals('o', sb.charAt(1));
assertEquals('o', sb.charAt(2));
try {
sb.charAt(-1);
fail("charAt(-1) expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {
// expected
}
try {
sb.charAt(3);
fail("charAt(3) expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {
// expected
}
}
//-----------------------------------------------------------------------
@Test
public void testSetCharAt() {
final StrBuilder sb = new StrBuilder();
try {
sb.setCharAt(0, 'f');
fail("setCharAt(0,) expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {
// expected
}
try {
sb.setCharAt(-1, 'f');
fail("setCharAt(-1,) expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {
// expected
}
sb.append("foo");
sb.setCharAt(0, 'b');
sb.setCharAt(1, 'a');
sb.setCharAt(2, 'r');
try {
sb.setCharAt(3, '!');
fail("setCharAt(3,) expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {
// expected
}
assertEquals("bar", sb.toString());
}
//-----------------------------------------------------------------------
@Test
public void testDeleteCharAt() {
final StrBuilder sb = new StrBuilder("abc");
sb.deleteCharAt(0);
assertEquals("bc", sb.toString());
try {
sb.deleteCharAt(1000);
fail("Expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {}
}
//-----------------------------------------------------------------------
@Test
public void testToCharArray() {
final StrBuilder sb = new StrBuilder();
assertEquals(ArrayUtils.EMPTY_CHAR_ARRAY, sb.toCharArray());
char[] a = sb.toCharArray();
assertNotNull("toCharArray() result is null", a);
assertEquals("toCharArray() result is too large", 0, a.length);
sb.append("junit");
a = sb.toCharArray();
assertEquals("toCharArray() result incorrect length", 5, a.length);
assertTrue("toCharArray() result does not match", Arrays.equals("junit".toCharArray(), a));
}
@Test
public void testToCharArrayIntInt() {
final StrBuilder sb = new StrBuilder();
assertEquals(ArrayUtils.EMPTY_CHAR_ARRAY, sb.toCharArray(0, 0));
sb.append("junit");
char[] a = sb.toCharArray(0, 20); // too large test
assertEquals("toCharArray(int,int) result incorrect length", 5, a.length);
assertTrue("toCharArray(int,int) result does not match", Arrays.equals("junit".toCharArray(), a));
a = sb.toCharArray(0, 4);
assertEquals("toCharArray(int,int) result incorrect length", 4, a.length);
assertTrue("toCharArray(int,int) result does not match", Arrays.equals("juni".toCharArray(), a));
a = sb.toCharArray(0, 4);
assertEquals("toCharArray(int,int) result incorrect length", 4, a.length);
assertTrue("toCharArray(int,int) result does not match", Arrays.equals("juni".toCharArray(), a));
a = sb.toCharArray(0, 1);
assertNotNull("toCharArray(int,int) result is null", a);
try {
sb.toCharArray(-1, 5);
fail("no string index out of bound on -1");
} catch (final IndexOutOfBoundsException e) {
}
try {
sb.toCharArray(6, 5);
fail("no string index out of bound on -1");
} catch (final IndexOutOfBoundsException e) {
}
}
@Test
public void testGetChars ( ) {
final StrBuilder sb = new StrBuilder();
char[] input = new char[10];
char[] a = sb.getChars(input);
assertSame (input, a);
assertTrue(Arrays.equals(new char[10], a));
sb.append("junit");
a = sb.getChars(input);
assertSame(input, a);
assertTrue(Arrays.equals(new char[] {'j','u','n','i','t',0,0,0,0,0},a));
a = sb.getChars(null);
assertNotSame(input,a);
assertEquals(5,a.length);
assertTrue(Arrays.equals("junit".toCharArray(),a));
input = new char[5];
a = sb.getChars(input);
assertSame(input, a);
input = new char[4];
a = sb.getChars(input);
assertNotSame(input, a);
}
@Test
public void testGetCharsIntIntCharArrayInt( ) {
final StrBuilder sb = new StrBuilder();
sb.append("junit");
char[] a = new char[5];
sb.getChars(0,5,a,0);
assertTrue(Arrays.equals(new char[] {'j','u','n','i','t'},a));
a = new char[5];
sb.getChars(0,2,a,3);
assertTrue(Arrays.equals(new char[] {0,0,0,'j','u'},a));
try {
sb.getChars(-1,0,a,0);
fail("no exception");
}
catch (final IndexOutOfBoundsException e) {
}
try {
sb.getChars(0,-1,a,0);
fail("no exception");
}
catch (final IndexOutOfBoundsException e) {
}
try {
sb.getChars(0,20,a,0);
fail("no exception");
}
catch (final IndexOutOfBoundsException e) {
}
try {
sb.getChars(4,2,a,0);
fail("no exception");
}
catch (final IndexOutOfBoundsException e) {
}
}
//-----------------------------------------------------------------------
@Test
public void testDeleteIntInt() {
StrBuilder sb = new StrBuilder("abc");
sb.delete(0, 1);
assertEquals("bc", sb.toString());
sb.delete(1, 2);
assertEquals("b", sb.toString());
sb.delete(0, 1);
assertEquals("", sb.toString());
sb.delete(0, 1000);
assertEquals("", sb.toString());
try {
sb.delete(1, 2);
fail("Expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {}
try {
sb.delete(-1, 1);
fail("Expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {}
sb = new StrBuilder("anything");
try {
sb.delete(2, 1);
fail("Expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {}
}
//-----------------------------------------------------------------------
@Test
public void testDeleteAll_char() {
StrBuilder sb = new StrBuilder("abcbccba");
sb.deleteAll('X');
assertEquals("abcbccba", sb.toString());
sb.deleteAll('a');
assertEquals("bcbccb", sb.toString());
sb.deleteAll('c');
assertEquals("bbb", sb.toString());
sb.deleteAll('b');
assertEquals("", sb.toString());
sb = new StrBuilder("");
sb.deleteAll('b');
assertEquals("", sb.toString());
}
@Test
public void testDeleteFirst_char() {
StrBuilder sb = new StrBuilder("abcba");
sb.deleteFirst('X');
assertEquals("abcba", sb.toString());
sb.deleteFirst('a');
assertEquals("bcba", sb.toString());
sb.deleteFirst('c');
assertEquals("bba", sb.toString());
sb.deleteFirst('b');
assertEquals("ba", sb.toString());
sb = new StrBuilder("");
sb.deleteFirst('b');
assertEquals("", sb.toString());
}
// -----------------------------------------------------------------------
@Test
public void testDeleteAll_String() {
StrBuilder sb = new StrBuilder("abcbccba");
sb.deleteAll((String) null);
assertEquals("abcbccba", sb.toString());
sb.deleteAll("");
assertEquals("abcbccba", sb.toString());
sb.deleteAll("X");
assertEquals("abcbccba", sb.toString());
sb.deleteAll("a");
assertEquals("bcbccb", sb.toString());
sb.deleteAll("c");
assertEquals("bbb", sb.toString());
sb.deleteAll("b");
assertEquals("", sb.toString());
sb = new StrBuilder("abcbccba");
sb.deleteAll("bc");
assertEquals("acba", sb.toString());
sb = new StrBuilder("");
sb.deleteAll("bc");
assertEquals("", sb.toString());
}
@Test
public void testDeleteFirst_String() {
StrBuilder sb = new StrBuilder("abcbccba");
sb.deleteFirst((String) null);
assertEquals("abcbccba", sb.toString());
sb.deleteFirst("");
assertEquals("abcbccba", sb.toString());
sb.deleteFirst("X");
assertEquals("abcbccba", sb.toString());
sb.deleteFirst("a");
assertEquals("bcbccba", sb.toString());
sb.deleteFirst("c");
assertEquals("bbccba", sb.toString());
sb.deleteFirst("b");
assertEquals("bccba", sb.toString());
sb = new StrBuilder("abcbccba");
sb.deleteFirst("bc");
assertEquals("abccba", sb.toString());
sb = new StrBuilder("");
sb.deleteFirst("bc");
assertEquals("", sb.toString());
}
// -----------------------------------------------------------------------
@Test
public void testDeleteAll_StrMatcher() {
StrBuilder sb = new StrBuilder("A0xA1A2yA3");
sb.deleteAll((StrMatcher) null);
assertEquals("A0xA1A2yA3", sb.toString());
sb.deleteAll(A_NUMBER_MATCHER);
assertEquals("xy", sb.toString());
sb = new StrBuilder("Ax1");
sb.deleteAll(A_NUMBER_MATCHER);
assertEquals("Ax1", sb.toString());
sb = new StrBuilder("");
sb.deleteAll(A_NUMBER_MATCHER);
assertEquals("", sb.toString());
}
@Test
public void testDeleteFirst_StrMatcher() {
StrBuilder sb = new StrBuilder("A0xA1A2yA3");
sb.deleteFirst((StrMatcher) null);
assertEquals("A0xA1A2yA3", sb.toString());
sb.deleteFirst(A_NUMBER_MATCHER);
assertEquals("xA1A2yA3", sb.toString());
sb = new StrBuilder("Ax1");
sb.deleteFirst(A_NUMBER_MATCHER);
assertEquals("Ax1", sb.toString());
sb = new StrBuilder("");
sb.deleteFirst(A_NUMBER_MATCHER);
assertEquals("", sb.toString());
}
// -----------------------------------------------------------------------
@Test
public void testReplace_int_int_String() {
StrBuilder sb = new StrBuilder("abc");
sb.replace(0, 1, "d");
assertEquals("dbc", sb.toString());
sb.replace(0, 1, "aaa");
assertEquals("aaabc", sb.toString());
sb.replace(0, 3, "");
assertEquals("bc", sb.toString());
sb.replace(1, 2, (String) null);
assertEquals("b", sb.toString());
sb.replace(1, 1000, "text");
assertEquals("btext", sb.toString());
sb.replace(0, 1000, "text");
assertEquals("text", sb.toString());
sb = new StrBuilder("atext");
sb.replace(1, 1, "ny");
assertEquals("anytext", sb.toString());
try {
sb.replace(2, 1, "anything");
fail("Expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {}
sb = new StrBuilder();
try {
sb.replace(1, 2, "anything");
fail("Expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {}
try {
sb.replace(-1, 1, "anything");
fail("Expected IndexOutOfBoundsException");
} catch (final IndexOutOfBoundsException e) {}
}
//-----------------------------------------------------------------------
@Test
public void testReplaceAll_char_char() {
final StrBuilder sb = new StrBuilder("abcbccba");
sb.replaceAll('x', 'y');
assertEquals("abcbccba", sb.toString());
sb.replaceAll('a', 'd');
assertEquals("dbcbccbd", sb.toString());
sb.replaceAll('b', 'e');
assertEquals("dececced", sb.toString());
sb.replaceAll('c', 'f');
assertEquals("defeffed", sb.toString());
sb.replaceAll('d', 'd');
assertEquals("defeffed", sb.toString());
}
//-----------------------------------------------------------------------
@Test
public void testReplaceFirst_char_char() {
final StrBuilder sb = new StrBuilder("abcbccba");
sb.replaceFirst('x', 'y');
assertEquals("abcbccba", sb.toString());
sb.replaceFirst('a', 'd');
assertEquals("dbcbccba", sb.toString());
sb.replaceFirst('b', 'e');
assertEquals("decbccba", sb.toString());
sb.replaceFirst('c', 'f');
assertEquals("defbccba", sb.toString());
sb.replaceFirst('d', 'd');
assertEquals("defbccba", sb.toString());
}
//-----------------------------------------------------------------------
@Test
public void testReplaceAll_String_String() {
StrBuilder sb = new StrBuilder("abcbccba");
sb.replaceAll((String) null, null);
assertEquals("abcbccba", sb.toString());
sb.replaceAll((String) null, "anything");
assertEquals("abcbccba", sb.toString());
sb.replaceAll("", null);
assertEquals("abcbccba", sb.toString());
sb.replaceAll("", "anything");
assertEquals("abcbccba", sb.toString());
sb.replaceAll("x", "y");
assertEquals("abcbccba", sb.toString());
sb.replaceAll("a", "d");
assertEquals("dbcbccbd", sb.toString());
sb.replaceAll("d", null);
assertEquals("bcbccb", sb.toString());
sb.replaceAll("cb", "-");
assertEquals("b-c-", sb.toString());
sb = new StrBuilder("abcba");
sb.replaceAll("b", "xbx");
assertEquals("axbxcxbxa", sb.toString());
sb = new StrBuilder("bb");
sb.replaceAll("b", "xbx");
assertEquals("xbxxbx", sb.toString());
}
@Test
public void testReplaceFirst_String_String() {
StrBuilder sb = new StrBuilder("abcbccba");
sb.replaceFirst((String) null, null);
assertEquals("abcbccba", sb.toString());
sb.replaceFirst((String) null, "anything");
assertEquals("abcbccba", sb.toString());
sb.replaceFirst("", null);
assertEquals("abcbccba", sb.toString());
sb.replaceFirst("", "anything");
assertEquals("abcbccba", sb.toString());
sb.replaceFirst("x", "y");
assertEquals("abcbccba", sb.toString());
sb.replaceFirst("a", "d");
assertEquals("dbcbccba", sb.toString());
sb.replaceFirst("d", null);
assertEquals("bcbccba", sb.toString());
sb.replaceFirst("cb", "-");
assertEquals("b-ccba", sb.toString());
sb = new StrBuilder("abcba");
sb.replaceFirst("b", "xbx");
assertEquals("axbxcba", sb.toString());
sb = new StrBuilder("bb");
sb.replaceFirst("b", "xbx");
assertEquals("xbxb", sb.toString());
}
//-----------------------------------------------------------------------
@Test
public void testReplaceAll_StrMatcher_String() {
StrBuilder sb = new StrBuilder("abcbccba");
sb.replaceAll((StrMatcher) null, null);
assertEquals("abcbccba", sb.toString());
sb.replaceAll((StrMatcher) null, "anything");
assertEquals("abcbccba", sb.toString());
sb.replaceAll(StrMatcher.noneMatcher(), null);
assertEquals("abcbccba", sb.toString());
sb.replaceAll(StrMatcher.noneMatcher(), "anything");
assertEquals("abcbccba", sb.toString());
sb.replaceAll(StrMatcher.charMatcher('x'), "y");
assertEquals("abcbccba", sb.toString());
sb.replaceAll(StrMatcher.charMatcher('a'), "d");
assertEquals("dbcbccbd", sb.toString());
sb.replaceAll(StrMatcher.charMatcher('d'), null);
assertEquals("bcbccb", sb.toString());
sb.replaceAll(StrMatcher.stringMatcher("cb"), "-");
assertEquals("b-c-", sb.toString());
sb = new StrBuilder("abcba");
sb.replaceAll(StrMatcher.charMatcher('b'), "xbx");
assertEquals("axbxcxbxa", sb.toString());
sb = new StrBuilder("bb");
sb.replaceAll(StrMatcher.charMatcher('b'), "xbx");
assertEquals("xbxxbx", sb.toString());
sb = new StrBuilder("A1-A2A3-A4");
sb.replaceAll(A_NUMBER_MATCHER, "***");
assertEquals("***-******-***", sb.toString());
}
@Test
public void testReplaceFirst_StrMatcher_String() {
StrBuilder sb = new StrBuilder("abcbccba");
sb.replaceFirst((StrMatcher) null, null);
assertEquals("abcbccba", sb.toString());
sb.replaceFirst((StrMatcher) null, "anything");
assertEquals("abcbccba", sb.toString());
sb.replaceFirst(StrMatcher.noneMatcher(), null);
assertEquals("abcbccba", sb.toString());
sb.replaceFirst(StrMatcher.noneMatcher(), "anything");
assertEquals("abcbccba", sb.toString());
sb.replaceFirst(StrMatcher.charMatcher('x'), "y");
assertEquals("abcbccba", sb.toString());
sb.replaceFirst(StrMatcher.charMatcher('a'), "d");
assertEquals("dbcbccba", sb.toString());
sb.replaceFirst(StrMatcher.charMatcher('d'), null);
assertEquals("bcbccba", sb.toString());
sb.replaceFirst(StrMatcher.stringMatcher("cb"), "-");
assertEquals("b-ccba", sb.toString());
sb = new StrBuilder("abcba");
sb.replaceFirst(StrMatcher.charMatcher('b'), "xbx");
assertEquals("axbxcba", sb.toString());
sb = new StrBuilder("bb");
sb.replaceFirst(StrMatcher.charMatcher('b'), "xbx");
assertEquals("xbxb", sb.toString());
sb = new StrBuilder("A1-A2A3-A4");
sb.replaceFirst(A_NUMBER_MATCHER, "***");
assertEquals("***-A2A3-A4", sb.toString());
}
//-----------------------------------------------------------------------
@Test
public void testReplace_StrMatcher_String_int_int_int_VaryMatcher() {
StrBuilder sb = new StrBuilder("abcbccba");
sb.replace((StrMatcher) null, "x", 0, sb.length(), -1);
assertEquals("abcbccba", sb.toString());
sb.replace(StrMatcher.charMatcher('a'), "x", 0, sb.length(), -1);
assertEquals("xbcbccbx", sb.toString());
sb.replace(StrMatcher.stringMatcher("cb"), "x", 0, sb.length(), -1);
assertEquals("xbxcxx", sb.toString());
sb = new StrBuilder("A1-A2A3-A4");
sb.replace(A_NUMBER_MATCHER, "***", 0, sb.length(), -1);
assertEquals("***-******-***", sb.toString());
sb = new StrBuilder();
sb.replace(A_NUMBER_MATCHER, "***", 0, sb.length(), -1);
assertEquals("", sb.toString());
}
@Test
public void testReplace_StrMatcher_String_int_int_int_VaryReplace() {
StrBuilder sb = new StrBuilder("abcbccba");
sb.replace(StrMatcher.stringMatcher("cb"), "cb", 0, sb.length(), -1);
assertEquals("abcbccba", sb.toString());
sb = new StrBuilder("abcbccba");
sb.replace(StrMatcher.stringMatcher("cb"), "-", 0, sb.length(), -1);
assertEquals("ab-c-a", sb.toString());
sb = new StrBuilder("abcbccba");
sb.replace(StrMatcher.stringMatcher("cb"), "+++", 0, sb.length(), -1);
assertEquals("ab+++c+++a", sb.toString());
sb = new StrBuilder("abcbccba");
sb.replace(StrMatcher.stringMatcher("cb"), "", 0, sb.length(), -1);
assertEquals("abca", sb.toString());
sb = new StrBuilder("abcbccba");
sb.replace(StrMatcher.stringMatcher("cb"), null, 0, sb.length(), -1);
assertEquals("abca", sb.toString());
}
@Test
public void testReplace_StrMatcher_String_int_int_int_VaryStartIndex() {
StrBuilder sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, sb.length(), -1);
assertEquals("-x--y-", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 1, sb.length(), -1);
assertEquals("aax--y-", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 2, sb.length(), -1);
assertEquals("aax--y-", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 3, sb.length(), -1);
assertEquals("aax--y-", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 4, sb.length(), -1);
assertEquals("aaxa-ay-", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 5, sb.length(), -1);
assertEquals("aaxaa-y-", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 6, sb.length(), -1);
assertEquals("aaxaaaay-", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 7, sb.length(), -1);
assertEquals("aaxaaaay-", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 8, sb.length(), -1);
assertEquals("aaxaaaay-", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 9, sb.length(), -1);
assertEquals("aaxaaaayaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 10, sb.length(), -1);
assertEquals("aaxaaaayaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
try {
sb.replace(StrMatcher.stringMatcher("aa"), "-", 11, sb.length(), -1);
fail();
} catch (final IndexOutOfBoundsException ex) {}
assertEquals("aaxaaaayaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
try {
sb.replace(StrMatcher.stringMatcher("aa"), "-", -1, sb.length(), -1);
fail();
} catch (final IndexOutOfBoundsException ex) {}
assertEquals("aaxaaaayaa", sb.toString());
}
@Test
public void testReplace_StrMatcher_String_int_int_int_VaryEndIndex() {
StrBuilder sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 0, -1);
assertEquals("aaxaaaayaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 2, -1);
assertEquals("-xaaaayaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 3, -1);
assertEquals("-xaaaayaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 4, -1);
assertEquals("-xaaaayaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 5, -1);
assertEquals("-x-aayaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 6, -1);
assertEquals("-x-aayaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 7, -1);
assertEquals("-x--yaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 8, -1);
assertEquals("-x--yaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 9, -1);
assertEquals("-x--yaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 10, -1);
assertEquals("-x--y-", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 1000, -1);
assertEquals("-x--y-", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
try {
sb.replace(StrMatcher.stringMatcher("aa"), "-", 2, 1, -1);
fail();
} catch (final IndexOutOfBoundsException ex) {}
assertEquals("aaxaaaayaa", sb.toString());
}
@Test
public void testReplace_StrMatcher_String_int_int_int_VaryCount() {
StrBuilder sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 10, -1);
assertEquals("-x--y-", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 10, 0);
assertEquals("aaxaaaayaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 10, 1);
assertEquals("-xaaaayaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 10, 2);
assertEquals("-x-aayaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 10, 3);
assertEquals("-x--yaa", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 10, 4);
assertEquals("-x--y-", sb.toString());
sb = new StrBuilder("aaxaaaayaa");
sb.replace(StrMatcher.stringMatcher("aa"), "-", 0, 10, 5);
assertEquals("-x--y-", sb.toString());
}
//-----------------------------------------------------------------------
@Test
public void testReverse() {
final StrBuilder sb = new StrBuilder();
assertEquals("", sb.reverse().toString());
sb.clear().append(true);
assertEquals("eurt", sb.reverse().toString());
assertEquals("true", sb.reverse().toString());
}
//-----------------------------------------------------------------------
@Test
public void testTrim() {
final StrBuilder sb = new StrBuilder();
assertEquals("", sb.reverse().toString());
sb.clear().append(" \u0000 ");
assertEquals("", sb.trim().toString());
sb.clear().append(" \u0000 a b c");
assertEquals("a b c", sb.trim().toString());
sb.clear().append("a b c \u0000 ");
assertEquals("a b c", sb.trim().toString());
sb.clear().append(" \u0000 a b c \u0000 ");
assertEquals("a b c", sb.trim().toString());
sb.clear().append("a b c");
assertEquals("a b c", sb.trim().toString());
}
//-----------------------------------------------------------------------
@Test
public void testStartsWith() {
final StrBuilder sb = new StrBuilder();
assertFalse(sb.startsWith("a"));
assertFalse(sb.startsWith(null));
assertTrue(sb.startsWith(""));
sb.append("abc");
assertTrue(sb.startsWith("a"));
assertTrue(sb.startsWith("ab"));
assertTrue(sb.startsWith("abc"));
assertFalse(sb.startsWith("cba"));
}
@Test
public void testEndsWith() {
final StrBuilder sb = new StrBuilder();
assertFalse(sb.endsWith("a"));
assertFalse(sb.endsWith("c"));
assertTrue(sb.endsWith(""));
assertFalse(sb.endsWith(null));
sb.append("abc");
assertTrue(sb.endsWith("c"));
assertTrue(sb.endsWith("bc"));
assertTrue(sb.endsWith("abc"));
assertFalse(sb.endsWith("cba"));
assertFalse(sb.endsWith("abcd"));
assertFalse(sb.endsWith(" abc"));
assertFalse(sb.endsWith("abc "));
}
//-----------------------------------------------------------------------
@Test
public void testSubSequenceIntInt() {
final StrBuilder sb = new StrBuilder ("hello goodbye");
// Start index is negative
try {
sb.subSequence(-1, 5);
fail();
} catch (final IndexOutOfBoundsException e) {}
// End index is negative
try {
sb.subSequence(2, -1);
fail();
} catch (final IndexOutOfBoundsException e) {}
// End index greater than length()
try {
sb.subSequence(2, sb.length() + 1);
fail();
} catch (final IndexOutOfBoundsException e) {}
// Start index greater then end index
try {
sb.subSequence(3, 2);
fail();
} catch (final IndexOutOfBoundsException e) {}
// Normal cases
assertEquals ("hello", sb.subSequence(0, 5));
assertEquals ("hello goodbye".subSequence(0, 6), sb.subSequence(0, 6));
assertEquals ("goodbye", sb.subSequence(6, 13));
assertEquals ("hello goodbye".subSequence(6,13), sb.subSequence(6, 13));
}
@Test
public void testSubstringInt() {
final StrBuilder sb = new StrBuilder ("hello goodbye");
assertEquals ("goodbye", sb.substring(6));
assertEquals ("hello goodbye".substring(6), sb.substring(6));
assertEquals ("hello goodbye", sb.substring(0));
assertEquals ("hello goodbye".substring(0), sb.substring(0));
try {
sb.substring(-1);
fail ();
} catch (final IndexOutOfBoundsException e) {}
try {
sb.substring(15);
fail ();
} catch (final IndexOutOfBoundsException e) {}
}
@Test
public void testSubstringIntInt() {
final StrBuilder sb = new StrBuilder ("hello goodbye");
assertEquals ("hello", sb.substring(0, 5));
assertEquals ("hello goodbye".substring(0, 6), sb.substring(0, 6));
assertEquals ("goodbye", sb.substring(6, 13));
assertEquals ("hello goodbye".substring(6,13), sb.substring(6, 13));
assertEquals ("goodbye", sb.substring(6, 20));
try {
sb.substring(-1, 5);
fail();
} catch (final IndexOutOfBoundsException e) {}
try {
sb.substring(15, 20);
fail();
} catch (final IndexOutOfBoundsException e) {}
}
// -----------------------------------------------------------------------
@Test
public void testMidString() {
final StrBuilder sb = new StrBuilder("hello goodbye hello");
assertEquals("goodbye", sb.midString(6, 7));
assertEquals("hello", sb.midString(0, 5));
assertEquals("hello", sb.midString(-5, 5));
assertEquals("", sb.midString(0, -1));
assertEquals("", sb.midString(20, 2));
assertEquals("hello", sb.midString(14, 22));
}
@Test
public void testRightString() {
final StrBuilder sb = new StrBuilder("left right");
assertEquals("right", sb.rightString(5));
assertEquals("", sb.rightString(0));
assertEquals("", sb.rightString(-5));
assertEquals("left right", sb.rightString(15));
}
@Test
public void testLeftString() {
final StrBuilder sb = new StrBuilder("left right");
assertEquals("left", sb.leftString(4));
assertEquals("", sb.leftString(0));
assertEquals("", sb.leftString(-5));
assertEquals("left right", sb.leftString(15));
}
// -----------------------------------------------------------------------
@Test
public void testContains_char() {
final StrBuilder sb = new StrBuilder("abcdefghijklmnopqrstuvwxyz");
assertTrue(sb.contains('a'));
assertTrue(sb.contains('o'));
assertTrue(sb.contains('z'));
assertFalse(sb.contains('1'));
}
@Test
public void testContains_String() {
final StrBuilder sb = new StrBuilder("abcdefghijklmnopqrstuvwxyz");
assertTrue(sb.contains("a"));
assertTrue(sb.contains("pq"));
assertTrue(sb.contains("z"));
assertFalse(sb.contains("zyx"));
assertFalse(sb.contains((String) null));
}
@Test
public void testContains_StrMatcher() {
StrBuilder sb = new StrBuilder("abcdefghijklmnopqrstuvwxyz");
assertTrue(sb.contains(StrMatcher.charMatcher('a')));
assertTrue(sb.contains(StrMatcher.stringMatcher("pq")));
assertTrue(sb.contains(StrMatcher.charMatcher('z')));
assertFalse(sb.contains(StrMatcher.stringMatcher("zy")));
assertFalse(sb.contains((StrMatcher) null));
sb = new StrBuilder();
assertFalse(sb.contains(A_NUMBER_MATCHER));
sb.append("B A1 C");
assertTrue(sb.contains(A_NUMBER_MATCHER));
}
// -----------------------------------------------------------------------
@Test
public void testIndexOf_char() {
final StrBuilder sb = new StrBuilder("abab");
assertEquals(0, sb.indexOf('a'));
// should work like String#indexOf
assertEquals("abab".indexOf('a'), sb.indexOf('a'));
assertEquals(1, sb.indexOf('b'));
assertEquals("abab".indexOf('b'), sb.indexOf('b'));
assertEquals(-1, sb.indexOf('z'));
}
@Test
public void testIndexOf_char_int() {
StrBuilder sb = new StrBuilder("abab");
assertEquals(0, sb.indexOf('a', -1));
assertEquals(0, sb.indexOf('a', 0));
assertEquals(2, sb.indexOf('a', 1));
assertEquals(-1, sb.indexOf('a', 4));
assertEquals(-1, sb.indexOf('a', 5));
// should work like String#indexOf
assertEquals("abab".indexOf('a', 1), sb.indexOf('a', 1));
assertEquals(3, sb.indexOf('b', 2));
assertEquals("abab".indexOf('b', 2), sb.indexOf('b', 2));
assertEquals(-1, sb.indexOf('z', 2));
sb = new StrBuilder("xyzabc");
assertEquals(2, sb.indexOf('z', 0));
assertEquals(-1, sb.indexOf('z', 3));
}
@Test
public void testLastIndexOf_char() {
final StrBuilder sb = new StrBuilder("abab");
assertEquals (2, sb.lastIndexOf('a'));
//should work like String#lastIndexOf
assertEquals ("abab".lastIndexOf('a'), sb.lastIndexOf('a'));
assertEquals(3, sb.lastIndexOf('b'));
assertEquals ("abab".lastIndexOf('b'), sb.lastIndexOf('b'));
assertEquals (-1, sb.lastIndexOf('z'));
}
@Test
public void testLastIndexOf_char_int() {
StrBuilder sb = new StrBuilder("abab");
assertEquals(-1, sb.lastIndexOf('a', -1));
assertEquals(0, sb.lastIndexOf('a', 0));
assertEquals(0, sb.lastIndexOf('a', 1));
// should work like String#lastIndexOf
assertEquals("abab".lastIndexOf('a', 1), sb.lastIndexOf('a', 1));
assertEquals(1, sb.lastIndexOf('b', 2));
assertEquals("abab".lastIndexOf('b', 2), sb.lastIndexOf('b', 2));
assertEquals(-1, sb.lastIndexOf('z', 2));
sb = new StrBuilder("xyzabc");
assertEquals(2, sb.lastIndexOf('z', sb.length()));
assertEquals(-1, sb.lastIndexOf('z', 1));
}
// -----------------------------------------------------------------------
@Test
public void testIndexOf_String() {
final StrBuilder sb = new StrBuilder("abab");
assertEquals(0, sb.indexOf("a"));
//should work like String#indexOf
assertEquals("abab".indexOf("a"), sb.indexOf("a"));
assertEquals(0, sb.indexOf("ab"));
//should work like String#indexOf
assertEquals("abab".indexOf("ab"), sb.indexOf("ab"));
assertEquals(1, sb.indexOf("b"));
assertEquals("abab".indexOf("b"), sb.indexOf("b"));
assertEquals(1, sb.indexOf("ba"));
assertEquals("abab".indexOf("ba"), sb.indexOf("ba"));
assertEquals(-1, sb.indexOf("z"));
assertEquals(-1, sb.indexOf((String) null));
}
@Test
public void testIndexOf_String_int() {
StrBuilder sb = new StrBuilder("abab");
assertEquals(0, sb.indexOf("a", -1));
assertEquals(0, sb.indexOf("a", 0));
assertEquals(2, sb.indexOf("a", 1));
assertEquals(2, sb.indexOf("a", 2));
assertEquals(-1, sb.indexOf("a", 3));
assertEquals(-1, sb.indexOf("a", 4));
assertEquals(-1, sb.indexOf("a", 5));
assertEquals(-1, sb.indexOf("abcdef", 0));
assertEquals(0, sb.indexOf("", 0));
assertEquals(1, sb.indexOf("", 1));
//should work like String#indexOf
assertEquals ("abab".indexOf("a", 1), sb.indexOf("a", 1));
assertEquals(2, sb.indexOf("ab", 1));
//should work like String#indexOf
assertEquals("abab".indexOf("ab", 1), sb.indexOf("ab", 1));
assertEquals(3, sb.indexOf("b", 2));
assertEquals("abab".indexOf("b", 2), sb.indexOf("b", 2));
assertEquals(1, sb.indexOf("ba", 1));
assertEquals("abab".indexOf("ba", 2), sb.indexOf("ba", 2));
assertEquals(-1, sb.indexOf("z", 2));
sb = new StrBuilder("xyzabc");
assertEquals(2, sb.indexOf("za", 0));
assertEquals(-1, sb.indexOf("za", 3));
assertEquals(-1, sb.indexOf((String) null, 2));
}
@Test
public void testLastIndexOf_String() {
final StrBuilder sb = new StrBuilder("abab");
assertEquals(2, sb.lastIndexOf("a"));
//should work like String#lastIndexOf
assertEquals("abab".lastIndexOf("a"), sb.lastIndexOf("a"));
assertEquals(2, sb.lastIndexOf("ab"));
//should work like String#lastIndexOf
assertEquals("abab".lastIndexOf("ab"), sb.lastIndexOf("ab"));
assertEquals(3, sb.lastIndexOf("b"));
assertEquals("abab".lastIndexOf("b"), sb.lastIndexOf("b"));
assertEquals(1, sb.lastIndexOf("ba"));
assertEquals("abab".lastIndexOf("ba"), sb.lastIndexOf("ba"));
assertEquals(-1, sb.lastIndexOf("z"));
assertEquals(-1, sb.lastIndexOf((String) null));
}
@Test
public void testLastIndexOf_String_int() {
StrBuilder sb = new StrBuilder("abab");
assertEquals(-1, sb.lastIndexOf("a", -1));
assertEquals(0, sb.lastIndexOf("a", 0));
assertEquals(0, sb.lastIndexOf("a", 1));
assertEquals(2, sb.lastIndexOf("a", 2));
assertEquals(2, sb.lastIndexOf("a", 3));
assertEquals(2, sb.lastIndexOf("a", 4));
assertEquals(2, sb.lastIndexOf("a", 5));
assertEquals(-1, sb.lastIndexOf("abcdef", 3));
assertEquals("abab".lastIndexOf("", 3), sb.lastIndexOf("", 3));
assertEquals("abab".lastIndexOf("", 1), sb.lastIndexOf("", 1));
//should work like String#lastIndexOf
assertEquals("abab".lastIndexOf("a", 1), sb.lastIndexOf("a", 1));
assertEquals(0, sb.lastIndexOf("ab", 1));
//should work like String#lastIndexOf
assertEquals("abab".lastIndexOf("ab", 1), sb.lastIndexOf("ab", 1));
assertEquals(1, sb.lastIndexOf("b", 2));
assertEquals("abab".lastIndexOf("b", 2), sb.lastIndexOf("b", 2));
assertEquals(1, sb.lastIndexOf("ba", 2));
assertEquals("abab".lastIndexOf("ba", 2), sb.lastIndexOf("ba", 2));
assertEquals(-1, sb.lastIndexOf("z", 2));
sb = new StrBuilder("xyzabc");
assertEquals(2, sb.lastIndexOf("za", sb.length()));
assertEquals(-1, sb.lastIndexOf("za", 1));
assertEquals(-1, sb.lastIndexOf((String) null, 2));
}
// -----------------------------------------------------------------------
@Test
public void testIndexOf_StrMatcher() {
final StrBuilder sb = new StrBuilder();
assertEquals(-1, sb.indexOf((StrMatcher) null));
assertEquals(-1, sb.indexOf(StrMatcher.charMatcher('a')));
sb.append("ab bd");
assertEquals(0, sb.indexOf(StrMatcher.charMatcher('a')));
assertEquals(1, sb.indexOf(StrMatcher.charMatcher('b')));
assertEquals(2, sb.indexOf(StrMatcher.spaceMatcher()));
assertEquals(4, sb.indexOf(StrMatcher.charMatcher('d')));
assertEquals(-1, sb.indexOf(StrMatcher.noneMatcher()));
assertEquals(-1, sb.indexOf((StrMatcher) null));
sb.append(" A1 junction");
assertEquals(6, sb.indexOf(A_NUMBER_MATCHER));
}
@Test
public void testIndexOf_StrMatcher_int() {
final StrBuilder sb = new StrBuilder();
assertEquals(-1, sb.indexOf((StrMatcher) null, 2));
assertEquals(-1, sb.indexOf(StrMatcher.charMatcher('a'), 2));
assertEquals(-1, sb.indexOf(StrMatcher.charMatcher('a'), 0));
sb.append("ab bd");
assertEquals(0, sb.indexOf(StrMatcher.charMatcher('a'), -2));
assertEquals(0, sb.indexOf(StrMatcher.charMatcher('a'), 0));
assertEquals(-1, sb.indexOf(StrMatcher.charMatcher('a'), 2));
assertEquals(-1, sb.indexOf(StrMatcher.charMatcher('a'), 20));
assertEquals(1, sb.indexOf(StrMatcher.charMatcher('b'), -1));
assertEquals(1, sb.indexOf(StrMatcher.charMatcher('b'), 0));
assertEquals(1, sb.indexOf(StrMatcher.charMatcher('b'), 1));
assertEquals(3, sb.indexOf(StrMatcher.charMatcher('b'), 2));
assertEquals(3, sb.indexOf(StrMatcher.charMatcher('b'), 3));
assertEquals(-1, sb.indexOf(StrMatcher.charMatcher('b'), 4));
assertEquals(-1, sb.indexOf(StrMatcher.charMatcher('b'), 5));
assertEquals(-1, sb.indexOf(StrMatcher.charMatcher('b'), 6));
assertEquals(2, sb.indexOf(StrMatcher.spaceMatcher(), -2));
assertEquals(2, sb.indexOf(StrMatcher.spaceMatcher(), 0));
assertEquals(2, sb.indexOf(StrMatcher.spaceMatcher(), 2));
assertEquals(-1, sb.indexOf(StrMatcher.spaceMatcher(), 4));
assertEquals(-1, sb.indexOf(StrMatcher.spaceMatcher(), 20));
assertEquals(-1, sb.indexOf(StrMatcher.noneMatcher(), 0));
assertEquals(-1, sb.indexOf((StrMatcher) null, 0));
sb.append(" A1 junction with A2");
assertEquals(6, sb.indexOf(A_NUMBER_MATCHER, 5));
assertEquals(6, sb.indexOf(A_NUMBER_MATCHER, 6));
assertEquals(23, sb.indexOf(A_NUMBER_MATCHER, 7));
assertEquals(23, sb.indexOf(A_NUMBER_MATCHER, 22));
assertEquals(23, sb.indexOf(A_NUMBER_MATCHER, 23));
assertEquals(-1, sb.indexOf(A_NUMBER_MATCHER, 24));
}
@Test
public void testLastIndexOf_StrMatcher() {
final StrBuilder sb = new StrBuilder();
assertEquals(-1, sb.lastIndexOf((StrMatcher) null));
assertEquals(-1, sb.lastIndexOf(StrMatcher.charMatcher('a')));
sb.append("ab bd");
assertEquals(0, sb.lastIndexOf(StrMatcher.charMatcher('a')));
assertEquals(3, sb.lastIndexOf(StrMatcher.charMatcher('b')));
assertEquals(2, sb.lastIndexOf(StrMatcher.spaceMatcher()));
assertEquals(4, sb.lastIndexOf(StrMatcher.charMatcher('d')));
assertEquals(-1, sb.lastIndexOf(StrMatcher.noneMatcher()));
assertEquals(-1, sb.lastIndexOf((StrMatcher) null));
sb.append(" A1 junction");
assertEquals(6, sb.lastIndexOf(A_NUMBER_MATCHER));
}
@Test
public void testLastIndexOf_StrMatcher_int() {
final StrBuilder sb = new StrBuilder();
assertEquals(-1, sb.lastIndexOf((StrMatcher) null, 2));
assertEquals(-1, sb.lastIndexOf(StrMatcher.charMatcher('a'), 2));
assertEquals(-1, sb.lastIndexOf(StrMatcher.charMatcher('a'), 0));
assertEquals(-1, sb.lastIndexOf(StrMatcher.charMatcher('a'), -1));
sb.append("ab bd");
assertEquals(-1, sb.lastIndexOf(StrMatcher.charMatcher('a'), -2));
assertEquals(0, sb.lastIndexOf(StrMatcher.charMatcher('a'), 0));
assertEquals(0, sb.lastIndexOf(StrMatcher.charMatcher('a'), 2));
assertEquals(0, sb.lastIndexOf(StrMatcher.charMatcher('a'), 20));
assertEquals(-1, sb.lastIndexOf(StrMatcher.charMatcher('b'), -1));
assertEquals(-1, sb.lastIndexOf(StrMatcher.charMatcher('b'), 0));
assertEquals(1, sb.lastIndexOf(StrMatcher.charMatcher('b'), 1));
assertEquals(1, sb.lastIndexOf(StrMatcher.charMatcher('b'), 2));
assertEquals(3, sb.lastIndexOf(StrMatcher.charMatcher('b'), 3));
assertEquals(3, sb.lastIndexOf(StrMatcher.charMatcher('b'), 4));
assertEquals(3, sb.lastIndexOf(StrMatcher.charMatcher('b'), 5));
assertEquals(3, sb.lastIndexOf(StrMatcher.charMatcher('b'), 6));
assertEquals(-1, sb.lastIndexOf(StrMatcher.spaceMatcher(), -2));
assertEquals(-1, sb.lastIndexOf(StrMatcher.spaceMatcher(), 0));
assertEquals(2, sb.lastIndexOf(StrMatcher.spaceMatcher(), 2));
assertEquals(2, sb.lastIndexOf(StrMatcher.spaceMatcher(), 4));
assertEquals(2, sb.lastIndexOf(StrMatcher.spaceMatcher(), 20));
assertEquals(-1, sb.lastIndexOf(StrMatcher.noneMatcher(), 0));
assertEquals(-1, sb.lastIndexOf((StrMatcher) null, 0));
sb.append(" A1 junction with A2");
assertEquals(-1, sb.lastIndexOf(A_NUMBER_MATCHER, 5));
assertEquals(-1, sb.lastIndexOf(A_NUMBER_MATCHER, 6)); // A matches, 1 is outside bounds
assertEquals(6, sb.lastIndexOf(A_NUMBER_MATCHER, 7));
assertEquals(6, sb.lastIndexOf(A_NUMBER_MATCHER, 22));
assertEquals(6, sb.lastIndexOf(A_NUMBER_MATCHER, 23)); // A matches, 2 is outside bounds
assertEquals(23, sb.lastIndexOf(A_NUMBER_MATCHER, 24));
}
static final StrMatcher A_NUMBER_MATCHER = new StrMatcher() {
@Override
public int isMatch(final char[] buffer, int pos, final int bufferStart, final int bufferEnd) {
if (buffer[pos] == 'A') {
pos++;
if (pos < bufferEnd && buffer[pos] >= '0' && buffer[pos] <= '9') {
return 2;
}
}
return 0;
}
};
//-----------------------------------------------------------------------
@Test
public void testAsTokenizer() throws Exception {
// from Javadoc
final StrBuilder b = new StrBuilder();
b.append("a b ");
final StrTokenizer t = b.asTokenizer();
final String[] tokens1 = t.getTokenArray();
assertEquals(2, tokens1.length);
assertEquals("a", tokens1[0]);
assertEquals("b", tokens1[1]);
assertEquals(2, t.size());
b.append("c d ");
final String[] tokens2 = t.getTokenArray();
assertEquals(2, tokens2.length);
assertEquals("a", tokens2[0]);
assertEquals("b", tokens2[1]);
assertEquals(2, t.size());
assertEquals("a", t.next());
assertEquals("b", t.next());
t.reset();
final String[] tokens3 = t.getTokenArray();
assertEquals(4, tokens3.length);
assertEquals("a", tokens3[0]);
assertEquals("b", tokens3[1]);
assertEquals("c", tokens3[2]);
assertEquals("d", tokens3[3]);
assertEquals(4, t.size());
assertEquals("a", t.next());
assertEquals("b", t.next());
assertEquals("c", t.next());
assertEquals("d", t.next());
assertEquals("a b c d ", t.getContent());
}
// -----------------------------------------------------------------------
@Test
public void testAsReader() throws Exception {
final StrBuilder sb = new StrBuilder("some text");
Reader reader = sb.asReader();
assertTrue(reader.ready());
final char[] buf = new char[40];
assertEquals(9, reader.read(buf));
assertEquals("some text", new String(buf, 0, 9));
assertEquals(-1, reader.read());
assertFalse(reader.ready());
assertEquals(0, reader.skip(2));
assertEquals(0, reader.skip(-1));
assertTrue(reader.markSupported());
reader = sb.asReader();
assertEquals('s', reader.read());
reader.mark(-1);
char[] array = new char[3];
assertEquals(3, reader.read(array, 0, 3));
assertEquals('o', array[0]);
assertEquals('m', array[1]);
assertEquals('e', array[2]);
reader.reset();
assertEquals(1, reader.read(array, 1, 1));
assertEquals('o', array[0]);
assertEquals('o', array[1]);
assertEquals('e', array[2]);
assertEquals(2, reader.skip(2));
assertEquals(' ', reader.read());
assertTrue(reader.ready());
reader.close();
assertTrue(reader.ready());
reader = sb.asReader();
array = new char[3];
try {
reader.read(array, -1, 0);
fail();
} catch (final IndexOutOfBoundsException ex) {}
try {
reader.read(array, 0, -1);
fail();
} catch (final IndexOutOfBoundsException ex) {}
try {
reader.read(array, 100, 1);
fail();
} catch (final IndexOutOfBoundsException ex) {}
try {
reader.read(array, 0, 100);
fail();
} catch (final IndexOutOfBoundsException ex) {}
try {
reader.read(array, Integer.MAX_VALUE, Integer.MAX_VALUE);
fail();
} catch (final IndexOutOfBoundsException ex) {}
assertEquals(0, reader.read(array, 0, 0));
assertEquals(0, array[0]);
assertEquals(0, array[1]);
assertEquals(0, array[2]);
reader.skip(9);
assertEquals(-1, reader.read(array, 0, 1));
reader.reset();
array = new char[30];
assertEquals(9, reader.read(array, 0, 30));
}
//-----------------------------------------------------------------------
@Test
public void testAsWriter() throws Exception {
final StrBuilder sb = new StrBuilder("base");
final Writer writer = sb.asWriter();
writer.write('l');
assertEquals("basel", sb.toString());
writer.write(new char[] {'i', 'n'});
assertEquals("baselin", sb.toString());
writer.write(new char[] {'n', 'e', 'r'}, 1, 2);
assertEquals("baseliner", sb.toString());
writer.write(" rout");
assertEquals("baseliner rout", sb.toString());
writer.write("ping that server", 1, 3);
assertEquals("baseliner routing", sb.toString());
writer.flush(); // no effect
assertEquals("baseliner routing", sb.toString());
writer.close(); // no effect
assertEquals("baseliner routing", sb.toString());
writer.write(" hi"); // works after close
assertEquals("baseliner routing hi", sb.toString());
sb.setLength(4); // mix and match
writer.write('d');
assertEquals("based", sb.toString());
}
//-----------------------------------------------------------------------
@Test
public void testEqualsIgnoreCase() {
final StrBuilder sb1 = new StrBuilder();
final StrBuilder sb2 = new StrBuilder();
assertTrue(sb1.equalsIgnoreCase(sb1));
assertTrue(sb1.equalsIgnoreCase(sb2));
assertTrue(sb2.equalsIgnoreCase(sb2));
sb1.append("abc");
assertFalse(sb1.equalsIgnoreCase(sb2));
sb2.append("ABC");
assertTrue(sb1.equalsIgnoreCase(sb2));
sb2.clear().append("abc");
assertTrue(sb1.equalsIgnoreCase(sb2));
assertTrue(sb1.equalsIgnoreCase(sb1));
assertTrue(sb2.equalsIgnoreCase(sb2));
sb2.clear().append("aBc");
assertTrue(sb1.equalsIgnoreCase(sb2));
}
//-----------------------------------------------------------------------
@Test
public void testEquals() {
final StrBuilder sb1 = new StrBuilder();
final StrBuilder sb2 = new StrBuilder();
assertTrue(sb1.equals(sb2));
assertTrue(sb1.equals(sb1));
assertTrue(sb2.equals(sb2));
assertTrue(sb1.equals((Object) sb2));
sb1.append("abc");
assertFalse(sb1.equals(sb2));
assertFalse(sb1.equals((Object) sb2));
sb2.append("ABC");
assertFalse(sb1.equals(sb2));
assertFalse(sb1.equals((Object) sb2));
sb2.clear().append("abc");
assertTrue(sb1.equals(sb2));
assertTrue(sb1.equals((Object) sb2));
assertFalse(sb1.equals(Integer.valueOf(1)));
assertFalse(sb1.equals("abc"));
}
//-----------------------------------------------------------------------
@Test
public void testHashCode() {
final StrBuilder sb = new StrBuilder();
final int hc1a = sb.hashCode();
final int hc1b = sb.hashCode();
assertEquals(0, hc1a);
assertEquals(hc1a, hc1b);
sb.append("abc");
final int hc2a = sb.hashCode();
final int hc2b = sb.hashCode();
assertTrue(hc2a != 0);
assertEquals(hc2a, hc2b);
}
//-----------------------------------------------------------------------
@Test
public void testToString() {
final StrBuilder sb = new StrBuilder("abc");
assertEquals("abc", sb.toString());
}
//-----------------------------------------------------------------------
@Test
public void testToStringBuffer() {
final StrBuilder sb = new StrBuilder();
assertEquals(new StringBuffer().toString(), sb.toStringBuffer().toString());
sb.append("junit");
assertEquals(new StringBuffer("junit").toString(), sb.toStringBuffer().toString());
}
//-----------------------------------------------------------------------
@Test
public void testToStringBuilder() {
final StrBuilder sb = new StrBuilder();
assertEquals(new StringBuilder().toString(), sb.toStringBuilder().toString());
sb.append("junit");
assertEquals(new StringBuilder("junit").toString(), sb.toStringBuilder().toString());
}
//-----------------------------------------------------------------------
@Test
public void testLang294() {
final StrBuilder sb = new StrBuilder("\n%BLAH%\nDo more stuff\neven more stuff\n%BLAH%\n");
sb.deleteAll("\n%BLAH%");
assertEquals("\nDo more stuff\neven more stuff\n", sb.toString());
}
@Test
public void testIndexOfLang294() {
final StrBuilder sb = new StrBuilder("onetwothree");
sb.deleteFirst("three");
assertEquals(-1, sb.indexOf("three"));
}
//-----------------------------------------------------------------------
@Test
public void testLang295() {
final StrBuilder sb = new StrBuilder("onetwothree");
sb.deleteFirst("three");
assertFalse( "The contains(char) method is looking beyond the end of the string", sb.contains('h'));
assertEquals( "The indexOf(char) method is looking beyond the end of the string", -1, sb.indexOf('h'));
}
//-----------------------------------------------------------------------
@Test
public void testLang412Right() {
final StrBuilder sb = new StrBuilder();
sb.appendFixedWidthPadRight(null, 10, '*');
assertEquals( "Failed to invoke appendFixedWidthPadRight correctly", "**********", sb.toString());
}
@Test
public void testLang412Left() {
final StrBuilder sb = new StrBuilder();
sb.appendFixedWidthPadLeft(null, 10, '*');
assertEquals( "Failed to invoke appendFixedWidthPadLeft correctly", "**********", sb.toString());
}
@Test
public void testAsBuilder() {
final StrBuilder sb = new StrBuilder().appendAll("Lorem", " ", "ipsum", " ", "dolor");
assertEquals(sb.toString(), sb.build());
}
}