@Test
public final void testStringBuildWriterInt() {
final int initialSize = 12345;
final StringBuildWriter stringBuildWriter = new StringBuildWriter(initialSize);
assertThat(stringBuildWriter.getStringBuilder(), is(notNullValue()));
assertEquals(initialSize, stringBuildWriter.getStringBuilder().capacity());
}
@Test
public final void testClose() {
/* nothing should happen */
final StringBuildWriter stringBuildWriter = new StringBuildWriter();
stringBuildWriter.close();
assertEquals(0, stringBuildWriter.getStringBuilder().length());
}
@Test
public final void testWriteCharArray() {
final StringBuildWriter stringBuildWriter = new StringBuildWriter();
stringBuildWriter.write(chars);
assertThat(
stringBuildWriter.getStringBuilder().toString(),
is(equalTo(new StringBuilder().append(chars).toString())));
}
@Test
public final void testWriteInt() throws IOException {
for (int i = 0; i < 255; i++) {
final StringBuildWriter stringBuildWriter = new StringBuildWriter();
stringBuildWriter.write(i);
assertThat(
stringBuildWriter.getStringBuilder().toString(), is(equalTo(String.valueOf((char) i))));
}
}
@Test
public final void testToString() {
final StringBuildWriter stringBuildWriter = new StringBuildWriter();
final StringBuilder expected = new StringBuilder();
for (int i = 0, size = string.length(); i < size; i++) {
stringBuildWriter.write(string.substring(i));
expected.append(string.substring(i));
assertThat(stringBuildWriter.toString(), is(equalTo(expected.toString())));
}
}
@Test
public final void testAppendChar() {
final StringBuildWriter stringBuildWriter = new StringBuildWriter();
final StringBuilder expected = new StringBuilder();
for (int i = 0, size = chars.length; i < size; i++) {
stringBuildWriter.append(chars[i]);
expected.append(chars[i]);
assertThat(stringBuildWriter.getStringBuilder().toString(), is(equalTo(expected.toString())));
}
}
@Test
public final void testAppendCharSequenceIntInt() {
final Random ramdom = new Random();
for (int repeatIndex = 0; repeatIndex < 100; repeatIndex++) {
for (int i = 0, size = string.length(); i < size; i++) {
final int length = size - i - ramdom.nextInt(size - i);
final int endIndex = i + length;
final StringBuildWriter stringBuildWriter = new StringBuildWriter();
stringBuildWriter.append(string, i, endIndex);
assertThat(
stringBuildWriter.getStringBuilder().toString(),
is(equalTo(string.substring(i, endIndex))));
}
for (int i = string.length() - 1, size = string.length() + 1; i > 0; i--) {
final int length = ramdom.nextInt(size - i);
final int endIndex = i + length;
final StringBuildWriter stringBuildWriter = new StringBuildWriter();
stringBuildWriter.append(string, i, endIndex);
assertThat(
stringBuildWriter.getStringBuilder().toString(),
is(equalTo(string.substring(i, endIndex))));
}
}
}
@Test
public final void testWriteCharArrayIntInt() {
final Random ramdom = new Random();
for (int repeatIndex = 0; repeatIndex < 100; repeatIndex++) {
for (int i = 0, size = chars.length; i < size; i++) {
final int length = size - i - ramdom.nextInt(size - i);
final StringBuildWriter stringBuildWriter = new StringBuildWriter();
stringBuildWriter.write(chars, i, length);
assertThat(
stringBuildWriter.getStringBuilder().toString(),
is(equalTo(new StringBuilder().append(chars, i, length).toString())));
}
for (int i = chars.length - 1, size = chars.length + 1; i > 0; i--) {
final int length = ramdom.nextInt(size - i);
final StringBuildWriter stringBuildWriter = new StringBuildWriter();
stringBuildWriter.write(chars, i, length);
assertThat(
stringBuildWriter.getStringBuilder().toString(),
is(equalTo(new StringBuilder().append(chars, i, length).toString())));
}
}
}
@Test
public final void testGetStringBuilder() {
final StringBuildWriter stringBuildWriter = new StringBuildWriter();
assertThat(stringBuildWriter.getStringBuilder(), is(notNullValue()));
assertThat(stringBuildWriter.getStringBuilder(), is(instanceOf(StringBuilder.class)));
}
@Test
public final void testAppendCharSequence() {
final StringBuildWriter stringBuildWriter = new StringBuildWriter();
stringBuildWriter.append(string);
assertThat(stringBuildWriter.getStringBuilder().toString(), is(equalTo(string)));
}
@Test
public final void testWriteString() {
final StringBuildWriter stringBuildWriter = new StringBuildWriter();
stringBuildWriter.write(string);
assertThat(stringBuildWriter.getStringBuilder().toString(), is(equalTo(string)));
}
@Test
public final void testStringBuildWriter() {
final StringBuildWriter stringBuildWriter = new StringBuildWriter();
assertThat(stringBuildWriter.getStringBuilder(), is(notNullValue()));
assertEquals(0, stringBuildWriter.getStringBuilder().length());
}