/* 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 tests.api.java.io;
import java.io.IOException;
import java.io.Writer;
import junit.framework.TestCase;
import tests.support.Support_ASimpleWriter;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetClass;
import dalvik.annotation.TestTargetNew;
@TestTargetClass(Writer.class)
public class WriterTest extends TestCase {
/**
* @tests java.io.Writer#append(char)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "append",
args = {char.class}
)
public void test_appendChar() throws IOException {
char testChar = ' ';
MockWriter writer = new MockWriter(20);
writer.append(testChar);
assertEquals(String.valueOf(testChar), String.valueOf(writer
.getContents()));
writer.close();
Writer tobj = new Support_ASimpleWriter(2);
tobj.append('a');
tobj.append('b');
assertEquals("Wrong stuff written!", "ab", tobj.toString());
try {
tobj.append('c');
fail("IOException not thrown!");
} catch (IOException e) {
// expected
}
}
/**
* @tests java.io.Writer#append(CharSequence)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "append",
args = {java.lang.CharSequence.class}
)
public void test_appendCharSequence() throws IOException {
String testString = "My Test String";
MockWriter writer = new MockWriter(20);
writer.append(testString);
assertEquals(testString, String.valueOf(writer.getContents()));
writer.close();
Writer tobj = new Support_ASimpleWriter(20);
tobj.append(testString);
assertEquals("Wrong stuff written!", testString, tobj.toString());
try {
tobj.append(testString);
fail("IOException not thrown!");
} catch (IOException e) {
// expected
}
}
/**
* @tests java.io.Writer#append(CharSequence, int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "append",
args = {CharSequence.class, int.class, int.class}
)
public void test_appendCharSequenceIntInt() throws IOException {
String testString = "My Test String";
MockWriter writer = new MockWriter(20);
writer.append(testString, 1, 3);
assertEquals(testString.substring(1, 3), String.valueOf(writer
.getContents()));
writer.close();
Writer tobj = new Support_ASimpleWriter(21);
testString = "0123456789abcdefghijABCDEFGHIJ";
tobj.append(testString, 0, 5);
assertEquals("Wrong stuff written!", "01234", tobj.toString());
tobj.append(testString, 10, 15);
assertEquals("Wrong stuff written!", "01234abcde", tobj.toString());
tobj.append(testString, 20, 30);
assertEquals("Wrong stuff written!", "01234abcdeABCDEFGHIJ", tobj.toString());
try {
tobj.append(testString, 30, 31);
fail("IndexOutOfBoundsException not thrown!");
} catch (IndexOutOfBoundsException e) {
// expected
}
tobj.append(testString, 20, 21); // Just fill the writer to its limit!
try {
tobj.append(testString, 29, 30);
fail("IOException not thrown!");
} catch (IOException e) {
// expected
}
}
/**
* @tests java.io.Writer#append(CharSequence, int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "append",
args = {CharSequence.class, int.class, int.class}
)
public void test_appendCharSequenceIntInt_Exception() throws IOException {
String testString = "My Test String";
Writer tobj = new Support_ASimpleWriter(21);
try {
tobj.append(testString, 30, 31);
fail("IndexOutOfBoundsException not thrown!");
} catch (IndexOutOfBoundsException e) {
// expected
}
try {
tobj.append(testString, -1, 1);
fail("IndexOutOfBoundsException not thrown!");
} catch (IndexOutOfBoundsException e) {
// expected
}
try {
tobj.append(testString, 0, -1);
fail("IndexOutOfBoundsException not thrown!");
} catch (IndexOutOfBoundsException e) {
// expected
}
}
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "write",
args = {char[].class}
)
public void test_write$C() throws IOException {
Writer tobj = new Support_ASimpleWriter(21);
tobj.write("01234".toCharArray());
assertEquals("Wrong stuff written!", "01234", tobj.toString());
tobj.write("abcde".toCharArray());
assertEquals("Wrong stuff written!", "01234abcde", tobj.toString());
tobj.write("ABCDEFGHIJ".toCharArray());
assertEquals("Wrong stuff written!", "01234abcdeABCDEFGHIJ", tobj.toString());
tobj.write("z".toCharArray()); // Just fill the writer to its limit!
try {
tobj.write("LES JEUX SONT FAITS".toCharArray());
fail("IOException not thrown!");
} catch (IOException e) {
// expected
}
}
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "write",
args = {int.class}
)
public void test_writeI() throws IOException {
Writer tobj = new Support_ASimpleWriter(2);
tobj.write('a');
tobj.write('b');
assertEquals("Wrong stuff written!", "ab", tobj.toString());
try {
tobj.write('c');
fail("IOException not thrown!");
} catch (IOException e) {
// expected
}
}
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "write",
args = {java.lang.String.class}
)
public void test_writeLjava_lang_String() throws IOException {
Writer tobj = new Support_ASimpleWriter(21);
tobj.write("01234");
assertEquals("Wrong stuff written!", "01234", tobj.toString());
tobj.write("abcde");
assertEquals("Wrong stuff written!", "01234abcde", tobj.toString());
tobj.write("ABCDEFGHIJ");
assertEquals("Wrong stuff written!", "01234abcdeABCDEFGHIJ", tobj.toString());
tobj.write("z"); // Just fill the writer to its limit!
try {
tobj.write("LES JEUX SONT FAITS");
fail("IOException not thrown!");
} catch (IOException e) {
// expected
}
}
/**
* @tests java.io.PrintWriter#write(java.lang.String, int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "write",
args = {String.class, int.class, int.class}
)
public void test_writeLjava_lang_StringII() throws IOException {
String testString;
Writer tobj = new Support_ASimpleWriter(21);
testString = "0123456789abcdefghijABCDEFGHIJ";
tobj.write(testString, 0, 5);
assertEquals("Wrong stuff written!", "01234", tobj.toString());
tobj.write(testString, 10, 5);
assertEquals("Wrong stuff written!", "01234abcde", tobj.toString());
tobj.write(testString, 20, 10);
assertEquals("Wrong stuff written!", "01234abcdeABCDEFGHIJ", tobj.toString());
try {
tobj.write(testString, 30, 1);
fail("IndexOutOfBoundsException not thrown!");
} catch (IndexOutOfBoundsException e) {
// expected
}
tobj.write(testString, 20, 1); // Just fill the writer to its limit!
try {
tobj.write(testString, 29, 1);
fail("IOException not thrown!");
} catch (IOException e) {
// expected
}
}
/**
* @tests java.io.Writer#append(CharSequence, int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "write",
args = {String.class, int.class, int.class}
)
public void test_writeLjava_lang_StringII_Exception() throws IOException {
String testString = "My Test String";
Writer tobj = new Support_ASimpleWriter(21);
try {
tobj.write(testString, 30, 31);
fail("IndexOutOfBoundsException not thrown!");
} catch (IndexOutOfBoundsException e) {
// expected
}
try {
tobj.write(testString, -1, 1);
fail("IndexOutOfBoundsException not thrown!");
} catch (IndexOutOfBoundsException e) {
// expected
}
try {
tobj.write(testString, 0, -1);
fail("IndexOutOfBoundsException not thrown!");
} catch (IndexOutOfBoundsException e) {
// expected
}
}
class MockWriter extends Writer {
private char[] contents;
private int length;
private int offset;
MockWriter(int capacity) {
contents = new char[capacity];
length = capacity;
offset = 0;
}
public synchronized void close() throws IOException {
flush();
contents = null;
}
public synchronized void flush() throws IOException {
// do nothing
}
public void write(char[] buffer, int offset, int count)
throws IOException {
if (null == contents) {
throw new IOException();
}
if (offset < 0 || count < 0 || offset >= buffer.length) {
throw new IndexOutOfBoundsException();
}
count = Math.min(count, buffer.length - offset);
count = Math.min(count, this.length - this.offset);
for (int i = 0; i < count; i++) {
contents[this.offset + i] = buffer[offset + i];
}
this.offset += count;
}
public char[] getContents() {
char[] result = new char[offset];
for (int i = 0; i < offset; i++) {
result[i] = contents[i];
}
return result;
}
}
}