/*
* 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.harmony.tests.java.lang;
import java.io.Serializable;
import java.util.Arrays;
import junit.framework.TestCase;
// import org.apache.harmony.testframework.serialization.SerializationTest;
// import org.apache.harmony.testframework.serialization.SerializationTest.SerializableAssert;
public class StringBuilderTest extends TestCase {
/**
* java.lang.StringBuilder.StringBuilder()
*/
public void test_Constructor() {
StringBuilder sb = new StringBuilder();
assertNotNull(sb);
assertEquals(16, sb.capacity());
}
/**
* java.lang.StringBuilder.StringBuilder(int)
*/
public void test_ConstructorI() {
StringBuilder sb = new StringBuilder(24);
assertNotNull(sb);
assertEquals(24, sb.capacity());
try {
new StringBuilder(-1);
fail("no exception");
} catch (NegativeArraySizeException e) {
// Expected
}
assertNotNull(new StringBuilder(0));
}
/**
* java.lang.StringBuilder.StringBuilder(CharSequence)
*/
@SuppressWarnings("cast")
public void test_ConstructorLjava_lang_CharSequence() {
StringBuilder sb = new StringBuilder((CharSequence) "fixture");
assertEquals("fixture", sb.toString());
assertEquals("fixture".length() + 16, sb.capacity());
sb = new StringBuilder((CharSequence) new StringBuffer("fixture"));
assertEquals("fixture", sb.toString());
assertEquals("fixture".length() + 16, sb.capacity());
try {
new StringBuilder((CharSequence) null);
fail("no NPE");
} catch (NullPointerException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.StringBuilder(String)
*/
public void test_ConstructorLjava_lang_String() {
StringBuilder sb = new StringBuilder("fixture");
assertEquals("fixture", sb.toString());
assertEquals("fixture".length() + 16, sb.capacity());
try {
new StringBuilder((String) null);
fail("no NPE");
} catch (NullPointerException e) {
}
}
/**
* java.lang.StringBuilder.append(boolean)
*/
public void test_appendZ() {
StringBuilder sb = new StringBuilder();
assertSame(sb, sb.append(true));
assertEquals("true", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(false));
assertEquals("false", sb.toString());
}
/**
* java.lang.StringBuilder.append(char)
*/
public void test_appendC() {
StringBuilder sb = new StringBuilder();
assertSame(sb, sb.append('a'));
assertEquals("a", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append('b'));
assertEquals("b", sb.toString());
}
/**
* java.lang.StringBuilder.append(char[])
*/
public void test_append$C() {
StringBuilder sb = new StringBuilder();
assertSame(sb, sb.append(new char[] { 'a', 'b' }));
assertEquals("ab", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(new char[] { 'c', 'd' }));
assertEquals("cd", sb.toString());
try {
sb.append((char[]) null);
fail("no NPE");
} catch (NullPointerException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.append(char[], int, int)
*/
public void test_append$CII() {
StringBuilder sb = new StringBuilder();
assertSame(sb, sb.append(new char[] { 'a', 'b' }, 0, 2));
assertEquals("ab", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(new char[] { 'c', 'd' }, 0, 2));
assertEquals("cd", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(new char[] { 'a', 'b', 'c', 'd' }, 0, 2));
assertEquals("ab", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(new char[] { 'a', 'b', 'c', 'd' }, 2, 2));
assertEquals("cd", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(new char[] { 'a', 'b', 'c', 'd' }, 2, 0));
assertEquals("", sb.toString());
try {
sb.append((char[]) null, 0, 2);
fail("no NPE");
} catch (NullPointerException e) {
// Expected
}
try {
sb.append(new char[] { 'a', 'b', 'c', 'd' }, -1, 2);
fail("no IOOBE, negative offset");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb.append(new char[] { 'a', 'b', 'c', 'd' }, 0, -1);
fail("no IOOBE, negative length");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb.append(new char[] { 'a', 'b', 'c', 'd' }, 2, 3);
fail("no IOOBE, offset and length overflow");
} catch (IndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.append(CharSequence)
*/
public void test_appendLjava_lang_CharSequence() {
StringBuilder sb = new StringBuilder();
assertSame(sb, sb.append((CharSequence) "ab"));
assertEquals("ab", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append((CharSequence) "cd"));
assertEquals("cd", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append((CharSequence) null));
assertEquals("null", sb.toString());
}
/**
* java.lang.StringBuilder.append(CharSequence, int, int)
*/
@SuppressWarnings("cast")
public void test_appendLjava_lang_CharSequenceII() {
StringBuilder sb = new StringBuilder();
assertSame(sb, sb.append((CharSequence) "ab", 0, 2));
assertEquals("ab", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append((CharSequence) "cd", 0, 2));
assertEquals("cd", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append((CharSequence) "abcd", 0, 2));
assertEquals("ab", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append((CharSequence) "abcd", 2, 4));
assertEquals("cd", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append((CharSequence) null, 0, 2));
assertEquals("nu", sb.toString());
}
/**
* java.lang.StringBuilder.append(double)
*/
public void test_appendD() {
StringBuilder sb = new StringBuilder();
assertSame(sb, sb.append(1D));
assertEquals(String.valueOf(1D), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(0D));
assertEquals(String.valueOf(0D), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(-1D));
assertEquals(String.valueOf(-1D), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Double.NaN));
assertEquals(String.valueOf(Double.NaN), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Double.NEGATIVE_INFINITY));
assertEquals(String.valueOf(Double.NEGATIVE_INFINITY), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Double.POSITIVE_INFINITY));
assertEquals(String.valueOf(Double.POSITIVE_INFINITY), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Double.MIN_VALUE));
assertEquals(String.valueOf(Double.MIN_VALUE), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Double.MAX_VALUE));
assertEquals(String.valueOf(Double.MAX_VALUE), sb.toString());
}
/**
* java.lang.StringBuilder.append(float)
*/
public void test_appendF() {
StringBuilder sb = new StringBuilder();
assertSame(sb, sb.append(1F));
assertEquals(String.valueOf(1F), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(0F));
assertEquals(String.valueOf(0F), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(-1F));
assertEquals(String.valueOf(-1F), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Float.NaN));
assertEquals(String.valueOf(Float.NaN), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Float.NEGATIVE_INFINITY));
assertEquals(String.valueOf(Float.NEGATIVE_INFINITY), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Float.POSITIVE_INFINITY));
assertEquals(String.valueOf(Float.POSITIVE_INFINITY), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Float.MIN_VALUE));
assertEquals(String.valueOf(Float.MIN_VALUE), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Float.MAX_VALUE));
assertEquals(String.valueOf(Float.MAX_VALUE), sb.toString());
}
/**
* java.lang.StringBuilder.append(int)
*/
public void test_appendI() {
StringBuilder sb = new StringBuilder();
assertSame(sb, sb.append(1));
assertEquals(String.valueOf(1), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(0));
assertEquals(String.valueOf(0), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(-1));
assertEquals(String.valueOf(-1), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Integer.MIN_VALUE));
assertEquals(String.valueOf(Integer.MIN_VALUE), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Integer.MAX_VALUE));
assertEquals(String.valueOf(Integer.MAX_VALUE), sb.toString());
}
/**
* java.lang.StringBuilder.append(long)
*/
public void test_appendL() {
StringBuilder sb = new StringBuilder();
assertSame(sb, sb.append(1L));
assertEquals(String.valueOf(1L), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(0L));
assertEquals(String.valueOf(0L), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(-1L));
assertEquals(String.valueOf(-1L), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Integer.MIN_VALUE));
assertEquals(String.valueOf(Integer.MIN_VALUE), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(Integer.MAX_VALUE));
assertEquals(String.valueOf(Integer.MAX_VALUE), sb.toString());
}
/**
* java.lang.StringBuilder.append(Object)'
*/
public void test_appendLjava_lang_Object() {
StringBuilder sb = new StringBuilder();
assertSame(sb, sb.append(Fixture.INSTANCE));
assertEquals(Fixture.INSTANCE.toString(), sb.toString());
sb.setLength(0);
assertSame(sb, sb.append((Object) null));
assertEquals("null", sb.toString());
}
/**
* java.lang.StringBuilder.append(String)
*/
public void test_appendLjava_lang_String() {
StringBuilder sb = new StringBuilder();
assertSame(sb, sb.append("ab"));
assertEquals("ab", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append("cd"));
assertEquals("cd", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append((String) null));
assertEquals("null", sb.toString());
}
/**
* java.lang.StringBuilder.append(StringBuffer)
*/
public void test_appendLjava_lang_StringBuffer() {
StringBuilder sb = new StringBuilder();
assertSame(sb, sb.append(new StringBuffer("ab")));
assertEquals("ab", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append(new StringBuffer("cd")));
assertEquals("cd", sb.toString());
sb.setLength(0);
assertSame(sb, sb.append((StringBuffer) null));
assertEquals("null", sb.toString());
}
/**
* java.lang.StringBuilder.appendCodePoint(int)'
*/
public void test_appendCodePointI() {
StringBuilder sb = new StringBuilder();
sb.appendCodePoint(0x10000);
assertEquals("\uD800\uDC00", sb.toString());
sb.append("fixture");
assertEquals("\uD800\uDC00fixture", sb.toString());
sb.appendCodePoint(0x00010FFFF);
assertEquals("\uD800\uDC00fixture\uDBFF\uDFFF", sb.toString());
}
/**
* java.lang.StringBuilder.capacity()'
*/
public void test_capacity() {
StringBuilder sb = new StringBuilder();
assertEquals(16, sb.capacity());
sb.append("0123456789ABCDEF0123456789ABCDEF");
assertTrue(sb.capacity() > 16);
}
/**
* java.lang.StringBuilder.charAt(int)'
*/
public void test_charAtI() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
for (int i = 0; i < fixture.length(); i++) {
assertEquals((char) ('0' + i), sb.charAt(i));
}
try {
sb.charAt(-1);
fail("no IOOBE, negative index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb.charAt(fixture.length());
fail("no IOOBE, equal to length");
} catch (IndexOutOfBoundsException e) {
}
try {
sb.charAt(fixture.length() + 1);
fail("no IOOBE, greater than length");
} catch (IndexOutOfBoundsException e) {
}
}
/**
* java.lang.StringBuilder.codePointAt(int)
*/
public void test_codePointAtI() {
StringBuilder sb = new StringBuilder("abc");
assertEquals('a', sb.codePointAt(0));
assertEquals('b', sb.codePointAt(1));
assertEquals('c', sb.codePointAt(2));
sb = new StringBuilder("\uD800\uDC00");
assertEquals(0x10000, sb.codePointAt(0));
assertEquals('\uDC00', sb.codePointAt(1));
sb = new StringBuilder();
sb.append("abc");
try {
sb.codePointAt(-1);
fail("No IOOBE on negative index.");
} catch (IndexOutOfBoundsException e) {
}
try {
sb.codePointAt(sb.length());
fail("No IOOBE on index equal to length.");
} catch (IndexOutOfBoundsException e) {
}
try {
sb.codePointAt(sb.length() + 1);
fail("No IOOBE on index greater than length.");
} catch (IndexOutOfBoundsException e) {
}
}
/**
* java.lang.StringBuilder.codePointBefore(int)
*/
public void test_codePointBeforeI() {
StringBuilder sb = new StringBuilder("abc");
assertEquals('a', sb.codePointBefore(1));
assertEquals('b', sb.codePointBefore(2));
assertEquals('c', sb.codePointBefore(3));
sb = new StringBuilder("\uD800\uDC00");
assertEquals(0x10000, sb.codePointBefore(2));
assertEquals('\uD800', sb.codePointBefore(1));
sb = new StringBuilder();
sb.append("abc");
try {
sb.codePointBefore(0);
fail("No IOOBE on zero index.");
} catch (IndexOutOfBoundsException e) {
}
try {
sb.codePointBefore(-1);
fail("No IOOBE on negative index.");
} catch (IndexOutOfBoundsException e) {
}
try {
sb.codePointBefore(sb.length() + 1);
fail("No IOOBE on index greater than length.");
} catch (IndexOutOfBoundsException e) {
}
}
/**
* java.lang.StringBuilder.codePointCount(int, int)
*/
public void test_codePointCountII() {
assertEquals(1, new StringBuilder("\uD800\uDC00").codePointCount(0, 2));
assertEquals(1, new StringBuilder("\uD800\uDC01").codePointCount(0, 2));
assertEquals(1, new StringBuilder("\uD801\uDC01").codePointCount(0, 2));
assertEquals(1, new StringBuilder("\uDBFF\uDFFF").codePointCount(0, 2));
assertEquals(3, new StringBuilder("a\uD800\uDC00b").codePointCount(0, 4));
assertEquals(4, new StringBuilder("a\uD800\uDC00b\uD800").codePointCount(0, 5));
StringBuilder sb = new StringBuilder();
sb.append("abc");
try {
sb.codePointCount(-1, 2);
fail("No IOOBE for negative begin index.");
} catch (IndexOutOfBoundsException e) {
}
try {
sb.codePointCount(0, 4);
fail("No IOOBE for end index that's too large.");
} catch (IndexOutOfBoundsException e) {
}
try {
sb.codePointCount(3, 2);
fail("No IOOBE for begin index larger than end index.");
} catch (IndexOutOfBoundsException e) {
}
}
/**
* java.lang.StringBuilder.delete(int, int)
*/
public void test_deleteII() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.delete(0, 0));
assertEquals(fixture, sb.toString());
assertSame(sb, sb.delete(5, 5));
assertEquals(fixture, sb.toString());
assertSame(sb, sb.delete(0, 1));
assertEquals("123456789", sb.toString());
assertEquals(9, sb.length());
assertSame(sb, sb.delete(0, sb.length()));
assertEquals("", sb.toString());
assertEquals(0, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.delete(0, 11));
assertEquals("", sb.toString());
assertEquals(0, sb.length());
try {
new StringBuilder(fixture).delete(-1, 2);
fail("no SIOOBE, negative start");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
new StringBuilder(fixture).delete(11, 12);
fail("no SIOOBE, start too far");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
new StringBuilder(fixture).delete(13, 12);
fail("no SIOOBE, start larger than end");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
// HARMONY 6212
sb = new StringBuilder();
sb.append("abcde");
String str = sb.toString();
sb.delete(0, sb.length());
sb.append("YY");
assertEquals("abcde", str);
assertEquals("YY", sb.toString());
}
/**
* java.lang.StringBuilder.deleteCharAt(int)
*/
public void test_deleteCharAtI() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.deleteCharAt(0));
assertEquals("123456789", sb.toString());
assertEquals(9, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.deleteCharAt(5));
assertEquals("012346789", sb.toString());
assertEquals(9, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.deleteCharAt(9));
assertEquals("012345678", sb.toString());
assertEquals(9, sb.length());
try {
new StringBuilder(fixture).deleteCharAt(-1);
fail("no SIOOBE, negative index");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
new StringBuilder(fixture).deleteCharAt(fixture.length());
fail("no SIOOBE, index equals length");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
new StringBuilder(fixture).deleteCharAt(fixture.length() + 1);
fail("no SIOOBE, index exceeds length");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.ensureCapacity(int)'
*/
public void test_ensureCapacityI() {
StringBuilder sb = new StringBuilder(5);
assertEquals(5, sb.capacity());
sb.ensureCapacity(10);
assertEquals(12, sb.capacity());
sb.ensureCapacity(26);
assertEquals(26, sb.capacity());
sb.ensureCapacity(55);
assertEquals(55, sb.capacity());
}
/**
* java.lang.StringBuilder.getChars(int, int, char[], int)'
*/
public void test_getCharsII$CI() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
char[] dst = new char[10];
sb.getChars(0, 10, dst, 0);
assertTrue(Arrays.equals(fixture.toCharArray(), dst));
Arrays.fill(dst, '\0');
sb.getChars(0, 5, dst, 0);
char[] fixtureChars = new char[10];
fixture.getChars(0, 5, fixtureChars, 0);
assertTrue(Arrays.equals(fixtureChars, dst));
Arrays.fill(dst, '\0');
Arrays.fill(fixtureChars, '\0');
sb.getChars(0, 5, dst, 5);
fixture.getChars(0, 5, fixtureChars, 5);
assertTrue(Arrays.equals(fixtureChars, dst));
Arrays.fill(dst, '\0');
Arrays.fill(fixtureChars, '\0');
sb.getChars(5, 10, dst, 1);
fixture.getChars(5, 10, fixtureChars, 1);
assertTrue(Arrays.equals(fixtureChars, dst));
try {
sb.getChars(0, 10, null, 0);
fail("no NPE");
} catch (NullPointerException e) {
// Expected
}
try {
sb.getChars(-1, 10, dst, 0);
fail("no IOOBE, srcBegin negative");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb.getChars(0, 10, dst, -1);
fail("no IOOBE, dstBegin negative");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb.getChars(5, 4, dst, 0);
fail("no IOOBE, srcBegin > srcEnd");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb.getChars(0, 11, dst, 0);
fail("no IOOBE, srcEnd > length");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb.getChars(0, 10, dst, 5);
fail("no IOOBE, dstBegin and src size too large for what's left in dst");
} catch (IndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.indexOf(String)
*/
public void test_indexOfLjava_lang_String() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
assertEquals(0, sb.indexOf("0"));
assertEquals(0, sb.indexOf("012"));
assertEquals(-1, sb.indexOf("02"));
assertEquals(8, sb.indexOf("89"));
try {
sb.indexOf(null);
fail("no NPE");
} catch (NullPointerException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.indexOf(String, int)
*/
public void test_IndexOfStringInt() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
assertEquals(0, sb.indexOf("0"));
assertEquals(0, sb.indexOf("012"));
assertEquals(-1, sb.indexOf("02"));
assertEquals(8, sb.indexOf("89"));
assertEquals(0, sb.indexOf("0"), 0);
assertEquals(0, sb.indexOf("012"), 0);
assertEquals(-1, sb.indexOf("02"), 0);
assertEquals(8, sb.indexOf("89"), 0);
assertEquals(-1, sb.indexOf("0"), 5);
assertEquals(-1, sb.indexOf("012"), 5);
assertEquals(-1, sb.indexOf("02"), 0);
assertEquals(8, sb.indexOf("89"), 5);
try {
sb.indexOf(null, 0);
fail("no NPE");
} catch (NullPointerException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.insert(int, boolean)
*/
public void test_insertIZ() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, true));
assertEquals("true0000", sb.toString());
assertEquals(8, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, false));
assertEquals("false0000", sb.toString());
assertEquals(9, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, false));
assertEquals("00false00", sb.toString());
assertEquals(9, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, false));
assertEquals("0000false", sb.toString());
assertEquals(9, sb.length());
try {
sb = new StringBuilder(fixture);
sb.insert(-1, false);
fail("no SIOOBE, negative index");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, false);
fail("no SIOOBE, index too large index");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.insert(int, char)
*/
public void test_insertIC() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, 'a'));
assertEquals("a0000", sb.toString());
assertEquals(5, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, 'b'));
assertEquals("b0000", sb.toString());
assertEquals(5, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, 'b'));
assertEquals("00b00", sb.toString());
assertEquals(5, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, 'b'));
assertEquals("0000b", sb.toString());
assertEquals(5, sb.length());
// FIXME this fails on Sun JRE 5.0_5
// try {
// sb = new StringBuilder(fixture);
// sb.insert(-1, 'a');
// fail("no SIOOBE, negative index");
// } catch (StringIndexOutOfBoundsException e) {
// // Expected
// }
/*
* FIXME This fails on Sun JRE 5.0_5, but that seems like a bug, since
* the 'insert(int, char[]) behaves this way.
*/
// try {
// sb = new StringBuilder(fixture);
// sb.insert(5, 'a');
// fail("no SIOOBE, index too large index");
// } catch (StringIndexOutOfBoundsException e) {
// // Expected
// }
}
/**
* java.lang.StringBuilder.insert(int, char)
*/
public void test_insertIC_2() {
StringBuilder obj = new StringBuilder();
try {
obj.insert(-1, '?');
fail("ArrayIndexOutOfBoundsException expected");
} catch (ArrayIndexOutOfBoundsException e) {
// expected
}
}
/**
* java.lang.StringBuilder.insert(int, char[])'
*/
public void test_insertI$C() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, new char[] { 'a', 'b' }));
assertEquals("ab0000", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, new char[] { 'a', 'b' }));
assertEquals("00ab00", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, new char[] { 'a', 'b' }));
assertEquals("0000ab", sb.toString());
assertEquals(6, sb.length());
/*
* TODO This NPE is the behavior on Sun's JRE 5.0_5, but it's
* undocumented. The assumption is that this method behaves like
* String.valueOf(char[]), which does throw a NPE too, but that is also
* undocumented.
*/
try {
sb.insert(0, (char[]) null);
fail("no NPE");
} catch (NullPointerException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(-1, new char[] { 'a', 'b' });
fail("no SIOOBE, negative index");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, new char[] { 'a', 'b' });
fail("no SIOOBE, index too large index");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.insert(int, char[], int, int)
*/
public void test_insertI$CII() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, new char[] { 'a', 'b' }, 0, 2));
assertEquals("ab0000", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, new char[] { 'a', 'b' }, 0, 1));
assertEquals("a0000", sb.toString());
assertEquals(5, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, new char[] { 'a', 'b' }, 0, 2));
assertEquals("00ab00", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, new char[] { 'a', 'b' }, 0, 1));
assertEquals("00a00", sb.toString());
assertEquals(5, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, new char[] { 'a', 'b' }, 0, 2));
assertEquals("0000ab", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, new char[] { 'a', 'b' }, 0, 1));
assertEquals("0000a", sb.toString());
assertEquals(5, sb.length());
/*
* TODO This NPE is the behavior on Sun's JRE 5.0_5, but it's
* undocumented. The assumption is that this method behaves like
* String.valueOf(char[]), which does throw a NPE too, but that is also
* undocumented.
*/
try {
sb.insert(0, (char[]) null, 0, 2);
fail("no NPE");
} catch (NullPointerException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(-1, new char[] { 'a', 'b' }, 0, 2);
fail("no SIOOBE, negative index");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, new char[] { 'a', 'b' }, 0, 2);
fail("no SIOOBE, index too large index");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, new char[] { 'a', 'b' }, -1, 2);
fail("no SIOOBE, negative offset");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, new char[] { 'a', 'b' }, 0, -1);
fail("no SIOOBE, negative length");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, new char[] { 'a', 'b' }, 0, 3);
fail("no SIOOBE, too long");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.insert(int, CharSequence)
*/
public void test_insertILjava_lang_CharSequence() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, (CharSequence) "ab"));
assertEquals("ab0000", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, (CharSequence) "ab"));
assertEquals("00ab00", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, (CharSequence) "ab"));
assertEquals("0000ab", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, (CharSequence) null));
assertEquals("0000null", sb.toString());
assertEquals(8, sb.length());
try {
sb = new StringBuilder(fixture);
sb.insert(-1, (CharSequence) "ab");
fail("no IOOBE, negative index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, (CharSequence) "ab");
fail("no IOOBE, index too large index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.insert(int, CharSequence, int, int)
*/
@SuppressWarnings("cast")
public void test_insertILjava_lang_CharSequenceII() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, (CharSequence) "ab", 0, 2));
assertEquals("ab0000", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, (CharSequence) "ab", 0, 1));
assertEquals("a0000", sb.toString());
assertEquals(5, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, (CharSequence) "ab", 0, 2));
assertEquals("00ab00", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, (CharSequence) "ab", 0, 1));
assertEquals("00a00", sb.toString());
assertEquals(5, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, (CharSequence) "ab", 0, 2));
assertEquals("0000ab", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, (CharSequence) "ab", 0, 1));
assertEquals("0000a", sb.toString());
assertEquals(5, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, (CharSequence) null, 0, 2));
assertEquals("0000nu", sb.toString());
assertEquals(6, sb.length());
try {
sb = new StringBuilder(fixture);
sb.insert(-1, (CharSequence) "ab", 0, 2);
fail("no IOOBE, negative index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, (CharSequence) "ab", 0, 2);
fail("no IOOBE, index too large index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, (CharSequence) "ab", -1, 2);
fail("no IOOBE, negative offset");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, new char[] { 'a', 'b' }, 0, -1);
fail("no IOOBE, negative length");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, new char[] { 'a', 'b' }, 0, 3);
fail("no IOOBE, too long");
} catch (IndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.insert(int, double)
*/
public void test_insertID() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, -1D));
assertEquals("-1.00000", sb.toString());
assertEquals(8, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, 0D));
assertEquals("0.00000", sb.toString());
assertEquals(7, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, 1D));
assertEquals("001.000", sb.toString());
assertEquals(7, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, 2D));
assertEquals("00002.0", sb.toString());
assertEquals(7, sb.length());
try {
sb = new StringBuilder(fixture);
sb.insert(-1, 1D);
fail("no IOOBE, negative index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, 1D);
fail("no IOOBE, index too large index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.insert(int, float)
*/
public void test_insertIF() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, -1F));
assertEquals("-1.00000", sb.toString());
assertEquals(8, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, 0F));
assertEquals("0.00000", sb.toString());
assertEquals(7, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, 1F));
assertEquals("001.000", sb.toString());
assertEquals(7, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, 2F));
assertEquals("00002.0", sb.toString());
assertEquals(7, sb.length());
try {
sb = new StringBuilder(fixture);
sb.insert(-1, 1F);
fail("no IOOBE, negative index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, 1F);
fail("no IOOBE, index too large index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.insert(int, int)
*/
public void test_insertII() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, -1));
assertEquals("-10000", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, 0));
assertEquals("00000", sb.toString());
assertEquals(5, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, 1));
assertEquals("00100", sb.toString());
assertEquals(5, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, 2));
assertEquals("00002", sb.toString());
assertEquals(5, sb.length());
try {
sb = new StringBuilder(fixture);
sb.insert(-1, 1);
fail("no IOOBE, negative index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, 1);
fail("no IOOBE, index too large index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.insert(int, long)
*/
public void test_insertIJ() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, -1L));
assertEquals("-10000", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, 0L));
assertEquals("00000", sb.toString());
assertEquals(5, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, 1L));
assertEquals("00100", sb.toString());
assertEquals(5, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, 2L));
assertEquals("00002", sb.toString());
assertEquals(5, sb.length());
try {
sb = new StringBuilder(fixture);
sb.insert(-1, 1L);
fail("no IOOBE, negative index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, 1L);
fail("no IOOBE, index too large index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.insert(int, Object)
*/
public void test_insertILjava_lang_Object() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, Fixture.INSTANCE));
assertEquals("fixture0000", sb.toString());
assertEquals(11, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, Fixture.INSTANCE));
assertEquals("00fixture00", sb.toString());
assertEquals(11, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, Fixture.INSTANCE));
assertEquals("0000fixture", sb.toString());
assertEquals(11, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, (Object) null));
assertEquals("0000null", sb.toString());
assertEquals(8, sb.length());
try {
sb = new StringBuilder(fixture);
sb.insert(-1, Fixture.INSTANCE);
fail("no IOOBE, negative index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, Fixture.INSTANCE);
fail("no IOOBE, index too large index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.insert(int, String)
*/
public void test_insertILjava_lang_String() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(0, "fixture"));
assertEquals("fixture0000", sb.toString());
assertEquals(11, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(2, "fixture"));
assertEquals("00fixture00", sb.toString());
assertEquals(11, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, "fixture"));
assertEquals("0000fixture", sb.toString());
assertEquals(11, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.insert(4, (Object) null));
assertEquals("0000null", sb.toString());
assertEquals(8, sb.length());
try {
sb = new StringBuilder(fixture);
sb.insert(-1, "fixture");
fail("no IOOBE, negative index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.insert(5, "fixture");
fail("no IOOBE, index too large index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.lastIndexOf(String)
*/
public void test_lastIndexOfLjava_lang_String() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
assertEquals(0, sb.lastIndexOf("0"));
assertEquals(0, sb.lastIndexOf("012"));
assertEquals(-1, sb.lastIndexOf("02"));
assertEquals(8, sb.lastIndexOf("89"));
try {
sb.lastIndexOf(null);
fail("no NPE");
} catch (NullPointerException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.lastIndexOf(String, int)
*/
public void test_lastIndexOfLjava_lang_StringI() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
assertEquals(0, sb.lastIndexOf("0"));
assertEquals(0, sb.lastIndexOf("012"));
assertEquals(-1, sb.lastIndexOf("02"));
assertEquals(8, sb.lastIndexOf("89"));
assertEquals(0, sb.lastIndexOf("0"), 0);
assertEquals(0, sb.lastIndexOf("012"), 0);
assertEquals(-1, sb.lastIndexOf("02"), 0);
assertEquals(8, sb.lastIndexOf("89"), 0);
assertEquals(-1, sb.lastIndexOf("0"), 5);
assertEquals(-1, sb.lastIndexOf("012"), 5);
assertEquals(-1, sb.lastIndexOf("02"), 0);
assertEquals(8, sb.lastIndexOf("89"), 5);
try {
sb.lastIndexOf(null, 0);
fail("no NPE");
} catch (NullPointerException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.length()
*/
public void test_length() {
StringBuilder sb = new StringBuilder();
assertEquals(0, sb.length());
sb.append("0000");
assertEquals(4, sb.length());
}
/**
* java.lang.StringBuilder.offsetByCodePoints(int, int)'
*/
public void test_offsetByCodePointsII() {
int result = new StringBuilder("a\uD800\uDC00b").offsetByCodePoints(0, 2);
assertEquals(3, result);
result = new StringBuilder("abcd").offsetByCodePoints(3, -1);
assertEquals(2, result);
result = new StringBuilder("a\uD800\uDC00b").offsetByCodePoints(0, 3);
assertEquals(4, result);
result = new StringBuilder("a\uD800\uDC00b").offsetByCodePoints(3, -1);
assertEquals(1, result);
result = new StringBuilder("a\uD800\uDC00b").offsetByCodePoints(3, 0);
assertEquals(3, result);
result = new StringBuilder("\uD800\uDC00bc").offsetByCodePoints(3, 0);
assertEquals(3, result);
result = new StringBuilder("a\uDC00bc").offsetByCodePoints(3, -1);
assertEquals(2, result);
result = new StringBuilder("a\uD800bc").offsetByCodePoints(3, -1);
assertEquals(2, result);
StringBuilder sb = new StringBuilder();
sb.append("abc");
try {
sb.offsetByCodePoints(-1, 1);
fail("No IOOBE for negative index.");
} catch (IndexOutOfBoundsException e) {
}
try {
sb.offsetByCodePoints(0, 4);
fail("No IOOBE for offset that's too large.");
} catch (IndexOutOfBoundsException e) {
}
try {
sb.offsetByCodePoints(3, -4);
fail("No IOOBE for offset that's too small.");
} catch (IndexOutOfBoundsException e) {
}
try {
sb.offsetByCodePoints(3, 1);
fail("No IOOBE for index that's too large.");
} catch (IndexOutOfBoundsException e) {
}
try {
sb.offsetByCodePoints(4, -1);
fail("No IOOBE for index that's too large.");
} catch (IndexOutOfBoundsException e) {
}
}
/**
* java.lang.StringBuilder.replace(int, int, String)'
*/
public void test_replaceIILjava_lang_String() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.replace(1, 3, "11"));
assertEquals("0110", sb.toString());
assertEquals(4, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.replace(1, 2, "11"));
assertEquals("01100", sb.toString());
assertEquals(5, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.replace(4, 5, "11"));
assertEquals("000011", sb.toString());
assertEquals(6, sb.length());
sb = new StringBuilder(fixture);
assertSame(sb, sb.replace(4, 6, "11"));
assertEquals("000011", sb.toString());
assertEquals(6, sb.length());
// FIXME Undocumented NPE in Sun's JRE 5.0_5
try {
sb.replace(1, 2, null);
fail("No NPE");
} catch (NullPointerException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.replace(-1, 2, "11");
fail("No SIOOBE, negative start");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.replace(5, 2, "11");
fail("No SIOOBE, start > length");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
sb = new StringBuilder(fixture);
sb.replace(3, 2, "11");
fail("No SIOOBE, start > end");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
// Regression for HARMONY-348
StringBuilder buffer = new StringBuilder("1234567");
buffer.replace(2, 6, "XXX");
assertEquals("12XXX7", buffer.toString());
}
private void reverseTest(String org, String rev, String back) {
// create non-shared StringBuilder
StringBuilder sb = new StringBuilder(org);
sb.reverse();
String reversed = sb.toString();
assertEquals(rev, reversed);
// create non-shared StringBuilder
sb = new StringBuilder(reversed);
sb.reverse();
reversed = sb.toString();
assertEquals(back, reversed);
// test algorithm when StringBuilder is shared
sb = new StringBuilder(org);
String copy = sb.toString();
assertEquals(org, copy);
sb.reverse();
reversed = sb.toString();
assertEquals(rev, reversed);
sb = new StringBuilder(reversed);
copy = sb.toString();
assertEquals(rev, copy);
sb.reverse();
reversed = sb.toString();
assertEquals(back, reversed);
}
/**
* java.lang.StringBuilder.reverse()
*/
public void test_reverse() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
assertSame(sb, sb.reverse());
assertEquals("9876543210", sb.toString());
sb = new StringBuilder("012345678");
assertSame(sb, sb.reverse());
assertEquals("876543210", sb.toString());
sb.setLength(1);
assertSame(sb, sb.reverse());
assertEquals("8", sb.toString());
sb.setLength(0);
assertSame(sb, sb.reverse());
assertEquals("", sb.toString());
String str;
str = "a";
reverseTest(str, str, str);
str = "ab";
reverseTest(str, "ba", str);
str = "abcdef";
reverseTest(str, "fedcba", str);
str = "abcdefg";
reverseTest(str, "gfedcba", str);
str = "\ud800\udc00";
reverseTest(str, str, str);
str = "\udc00\ud800";
reverseTest(str, "\ud800\udc00", "\ud800\udc00");
str = "a\ud800\udc00";
reverseTest(str, "\ud800\udc00a", str);
str = "ab\ud800\udc00";
reverseTest(str, "\ud800\udc00ba", str);
str = "abc\ud800\udc00";
reverseTest(str, "\ud800\udc00cba", str);
str = "\ud800\udc00\udc01\ud801\ud802\udc02";
reverseTest(str, "\ud802\udc02\ud801\udc01\ud800\udc00",
"\ud800\udc00\ud801\udc01\ud802\udc02");
str = "\ud800\udc00\ud801\udc01\ud802\udc02";
reverseTest(str, "\ud802\udc02\ud801\udc01\ud800\udc00", str);
str = "\ud800\udc00\udc01\ud801a";
reverseTest(str, "a\ud801\udc01\ud800\udc00",
"\ud800\udc00\ud801\udc01a");
str = "a\ud800\udc00\ud801\udc01";
reverseTest(str, "\ud801\udc01\ud800\udc00a", str);
str = "\ud800\udc00\udc01\ud801ab";
reverseTest(str, "ba\ud801\udc01\ud800\udc00",
"\ud800\udc00\ud801\udc01ab");
str = "ab\ud800\udc00\ud801\udc01";
reverseTest(str, "\ud801\udc01\ud800\udc00ba", str);
str = "\ud800\udc00\ud801\udc01";
reverseTest(str, "\ud801\udc01\ud800\udc00", str);
str = "a\ud800\udc00z\ud801\udc01";
reverseTest(str, "\ud801\udc01z\ud800\udc00a", str);
str = "a\ud800\udc00bz\ud801\udc01";
reverseTest(str, "\ud801\udc01zb\ud800\udc00a", str);
str = "abc\ud802\udc02\ud801\udc01\ud800\udc00";
reverseTest(str, "\ud800\udc00\ud801\udc01\ud802\udc02cba", str);
str = "abcd\ud802\udc02\ud801\udc01\ud800\udc00";
reverseTest(str, "\ud800\udc00\ud801\udc01\ud802\udc02dcba", str);
}
/**
* java.lang.StringBuilder.setCharAt(int, char)
*/
public void test_setCharAtIC() {
final String fixture = "0000";
StringBuilder sb = new StringBuilder(fixture);
sb.setCharAt(0, 'A');
assertEquals("A000", sb.toString());
sb.setCharAt(1, 'B');
assertEquals("AB00", sb.toString());
sb.setCharAt(2, 'C');
assertEquals("ABC0", sb.toString());
sb.setCharAt(3, 'D');
assertEquals("ABCD", sb.toString());
try {
sb.setCharAt(-1, 'A');
fail("No IOOBE, negative index");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb.setCharAt(4, 'A');
fail("No IOOBE, index == length");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb.setCharAt(5, 'A');
fail("No IOOBE, index > length");
} catch (IndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.setLength(int)'
*/
public void test_setLengthI() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
sb.setLength(5);
assertEquals(5, sb.length());
assertEquals("01234", sb.toString());
sb.setLength(6);
assertEquals(6, sb.length());
assertEquals("01234\0", sb.toString());
sb.setLength(0);
assertEquals(0, sb.length());
assertEquals("", sb.toString());
try {
sb.setLength(-1);
fail("No IOOBE, negative length.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
sb = new StringBuilder("abcde");
assertEquals("abcde", sb.toString());
sb.setLength(1);
sb.append('g');
assertEquals("ag", sb.toString());
sb = new StringBuilder("abcde");
sb.setLength(3);
sb.append('g');
assertEquals("abcg", sb.toString());
sb = new StringBuilder("abcde");
sb.setLength(2);
try {
sb.charAt(3);
fail("should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// Expected
}
sb = new StringBuilder();
sb.append("abcdefg");
sb.setLength(2);
sb.setLength(5);
for (int i = 2; i < 5; i++) {
assertEquals(0, sb.charAt(i));
}
sb = new StringBuilder();
sb.append("abcdefg");
sb.delete(2, 4);
sb.setLength(7);
assertEquals('a', sb.charAt(0));
assertEquals('b', sb.charAt(1));
assertEquals('e', sb.charAt(2));
assertEquals('f', sb.charAt(3));
assertEquals('g', sb.charAt(4));
for (int i = 5; i < 7; i++) {
assertEquals(0, sb.charAt(i));
}
sb = new StringBuilder();
sb.append("abcdefg");
sb.replace(2, 5, "z");
sb.setLength(7);
for (int i = 5; i < 7; i++) {
assertEquals(0, sb.charAt(i));
}
}
/**
* java.lang.StringBuilder.subSequence(int, int)
*/
public void test_subSequenceII() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
CharSequence ss = sb.subSequence(0, 5);
assertEquals("01234", ss.toString());
ss = sb.subSequence(0, 0);
assertEquals("", ss.toString());
try {
sb.subSequence(-1, 1);
fail("No IOOBE, negative start.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb.subSequence(0, -1);
fail("No IOOBE, negative end.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb.subSequence(0, fixture.length() + 1);
fail("No IOOBE, end > length.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
sb.subSequence(3, 2);
fail("No IOOBE, start > end.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.substring(int)
*/
public void test_substringI() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
String ss = sb.substring(0);
assertEquals(fixture, ss);
ss = sb.substring(10);
assertEquals("", ss);
try {
sb.substring(-1);
fail("No SIOOBE, negative start.");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
sb.substring(0, -1);
fail("No SIOOBE, negative end.");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
sb.substring(fixture.length() + 1);
fail("No SIOOBE, start > length.");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.substring(int, int)
*/
public void test_substringII() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
String ss = sb.substring(0, 5);
assertEquals("01234", ss);
ss = sb.substring(0, 0);
assertEquals("", ss);
try {
sb.substring(-1, 1);
fail("No SIOOBE, negative start.");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
sb.substring(0, -1);
fail("No SIOOBE, negative end.");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
sb.substring(0, fixture.length() + 1);
fail("No SIOOBE, end > length.");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
try {
sb.substring(3, 2);
fail("No SIOOBE, start > end.");
} catch (StringIndexOutOfBoundsException e) {
// Expected
}
}
/**
* java.lang.StringBuilder.toString()'
*/
public void test_toString() throws Exception {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
assertEquals(fixture, sb.toString());
sb.setLength(0);
sb.append("abcde");
assertEquals("abcde", sb.toString());
sb.setLength(1000);
byte[] bytes = sb.toString().getBytes("GB18030");
for (int i = 5; i < bytes.length; i++) {
assertEquals(0, bytes[i]);
}
sb.setLength(5);
sb.append("fghij");
assertEquals("abcdefghij", sb.toString());
}
/**
* java.lang.StringBuilder.trimToSize()'
*/
public void test_trimToSize() {
final String fixture = "0123456789";
StringBuilder sb = new StringBuilder(fixture);
assertTrue(sb.capacity() > fixture.length());
assertEquals(fixture.length(), sb.length());
assertEquals(fixture, sb.toString());
int prevCapacity = sb.capacity();
sb.trimToSize();
assertTrue(prevCapacity > sb.capacity());
assertEquals(fixture.length(), sb.length());
assertEquals(fixture, sb.toString());
}
// comparator for StringBuilder objects
/*
private static final SerializableAssert STRING_BILDER_COMPARATOR = new SerializableAssert() {
public void assertDeserialized(Serializable initial,
Serializable deserialized) {
StringBuilder init = (StringBuilder) initial;
StringBuilder desr = (StringBuilder) deserialized;
assertEquals("toString", init.toString(), desr.toString());
}
};
*/
/**
* serialization/deserialization.
*/
public void testSerializationSelf() throws Exception {
// SerializationTest.verifySelf(new StringBuilder("0123456789"),
// STRING_BILDER_COMPARATOR);
}
/**
* serialization/deserialization compatibility with RI.
*/
public void testSerializationCompatibility() throws Exception {
//SerializationTest.verifyGolden(this, new StringBuilder("0123456789"),
// STRING_BILDER_COMPARATOR);
}
private static final class Fixture {
static final Fixture INSTANCE = new Fixture();
private Fixture() {
super();
}
@Override
public String toString() {
return "fixture";
}
}
}