/*
* 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.CharArrayReader;
import java.io.CharArrayWriter;
import java.io.IOException;
import java.io.StringWriter;
import tests.support.Support_ASimpleWriter;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetClass;
import dalvik.annotation.TestTargetNew;
@TestTargetClass(CharArrayWriter.class)
public class CharArrayWriterTest extends junit.framework.TestCase {
char[] hw = { 'H', 'e', 'l', 'l', 'o', 'W', 'o', 'r', 'l', 'd' };
CharArrayWriter cw;
CharArrayReader cr;
/**
* @tests java.io.CharArrayWriter#CharArrayWriter(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "CharArrayWriter",
args = {int.class}
)
public void test_ConstructorI() {
// Test for method java.io.CharArrayWriter(int)
cw = new CharArrayWriter(90);
assertEquals("Test 1: Incorrect writer created.", 0, cw.size());
try {
cw = new CharArrayWriter(-1);
fail("IllegalArgumentException expected.");
} catch (IllegalArgumentException e) {
// Expected.
}
}
/**
* @tests java.io.CharArrayWriter#CharArrayWriter()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies CharArrayWriter() method.",
method = "CharArrayWriter",
args = {}
)
public void test_Constructor() {
// Test for method java.io.CharArrayWriter()
cw = new CharArrayWriter();
assertEquals("Created incorrect writer", 0, cw.size());
}
/**
* @tests java.io.CharArrayWriter#close()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies close() method.",
method = "close",
args = {}
)
public void test_close() {
// Test for method void java.io.CharArrayWriter.close()
cw.close();
}
/**
* @tests java.io.CharArrayWriter#flush()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies flush() method.",
method = "flush",
args = {}
)
public void test_flush() {
// Test for method void java.io.CharArrayWriter.flush()
cw.flush();
}
/**
* @tests java.io.CharArrayWriter#reset()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies reset() method.",
method = "reset",
args = {}
)
public void test_reset() {
// Test for method void java.io.CharArrayWriter.reset()
cw.write("HelloWorld", 5, 5);
cw.reset();
cw.write("HelloWorld", 0, 5);
cr = new CharArrayReader(cw.toCharArray());
try {
char[] c = new char[100];
cr.read(c, 0, 5);
assertEquals("Reset failed to reset buffer",
"Hello", new String(c, 0, 5));
} catch (IOException e) {
fail("Exception during reset test : " + e.getMessage());
}
}
/**
* @tests java.io.CharArrayWriter#size()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies size() method.",
method = "size",
args = {}
)
public void test_size() {
// Test for method int java.io.CharArrayWriter.size()
assertEquals("Returned incorrect size", 0, cw.size());
cw.write(hw, 5, 5);
assertEquals("Returned incorrect size", 5, cw.size());
}
/**
* @tests java.io.CharArrayWriter#toCharArray()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies toCharArray() method.",
method = "toCharArray",
args = {}
)
public void test_toCharArray() {
// Test for method char [] java.io.CharArrayWriter.toCharArray()
cw.write("HelloWorld", 0, 10);
cr = new CharArrayReader(cw.toCharArray());
try {
char[] c = new char[100];
cr.read(c, 0, 10);
assertEquals("toCharArray failed to return correct array",
"HelloWorld", new String(c, 0, 10));
} catch (IOException e) {
fail("Exception during toCharArray test : " + e.getMessage());
}
}
/**
* @tests java.io.CharArrayWriter#toString()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies toString() method.",
method = "toString",
args = {}
)
public void test_toString() {
// Test for method java.lang.String java.io.CharArrayWriter.toString()
cw.write("HelloWorld", 5, 5);
cr = new CharArrayReader(cw.toCharArray());
assertEquals("Returned incorrect string",
"World", cw.toString());
}
/**
* @tests java.io.CharArrayWriter#write(char[], int, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
method = "write",
args = {char[].class, int.class, int.class}
)
public void test_write$CII() {
// Test for method void java.io.CharArrayWriter.write(char [], int, int)
cw.write(hw, 5, 5);
cr = new CharArrayReader(cw.toCharArray());
try {
char[] c = new char[100];
cr.read(c, 0, 5);
assertEquals("Writer failed to write correct chars",
"World", new String(c, 0, 5));
} catch (IOException e) {
fail("Exception during write test : " + e.getMessage());
}
}
/**
* @tests java.io.CharArrayWriter#write(char[], int, int)
* Regression for HARMONY-387
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Illegal argument checks.",
method = "write",
args = {char[].class, int.class, int.class}
)
public void test_write$CII_Exception() {
char[] target = new char[10];
cw = new CharArrayWriter();
try {
cw.write(target, -1, 1);
fail("Test 1: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
cw.write(target, 0, -1);
fail("Test 2: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
cw.write(target, 1, target.length);
fail("Test 3: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
cw.write((char[]) null, 1, 1);
fail("Test 4: NullPointerException expected.");
} catch (NullPointerException e) {
// Expected.
}
}
/**
* @tests java.io.CharArrayWriter#write(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies write(int) method.",
method = "write",
args = {int.class}
)
public void test_writeI() {
// Test for method void java.io.CharArrayWriter.write(int)
cw.write('T');
cr = new CharArrayReader(cw.toCharArray());
try {
assertEquals("Writer failed to write char", 'T', cr.read());
} catch (IOException e) {
fail("Exception during write test : " + e.getMessage());
}
}
/**
* @tests java.io.CharArrayWriter#write(java.lang.String, int, int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies write(java.lang.String, int, int) method. [Need to check different strings?]",
method = "write",
args = {java.lang.String.class, int.class, int.class}
)
public void test_writeLjava_lang_StringII() {
// Test for method void java.io.CharArrayWriter.write(java.lang.String,
// int, int)
cw.write("HelloWorld", 5, 5);
cr = new CharArrayReader(cw.toCharArray());
try {
char[] c = new char[100];
cr.read(c, 0, 5);
assertEquals("Writer failed to write correct chars",
"World", new String(c, 0, 5));
} catch (IOException e) {
fail("Exception during write test : " + e.getMessage());
}
}
/**
* @tests java.io.CharArrayWriter#write(java.lang.String, int, int)
* Regression for HARMONY-387
*/
@TestTargetNew(
level = TestLevel.PARTIAL,
notes = "Regression for write(java.lang.String, int, int) method.",
method = "write",
args = {java.lang.String.class, int.class, int.class}
)
public void test_writeLjava_lang_StringII_2() throws StringIndexOutOfBoundsException {
CharArrayWriter obj = new CharArrayWriter();
try {
obj.write((String) null, -1, 0);
fail("NullPointerException expected");
} catch (NullPointerException t) {
}
}
/**
* @tests java.io.CharArrayWriter#writeTo(java.io.Writer)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "writeTo",
args = {java.io.Writer.class}
)
public void test_writeToLjava_io_Writer() {
Support_ASimpleWriter ssw = new Support_ASimpleWriter(true);
cw.write("HelloWorld", 0, 10);
StringWriter sw = new StringWriter();
try {
cw.writeTo(sw);
assertEquals("Test 1: Writer failed to write correct chars;",
"HelloWorld", sw.toString());
} catch (IOException e) {
fail("Exception during writeTo test : " + e.getMessage());
}
try {
cw.writeTo(ssw);
fail("Test 2: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
/**
* Sets up the fixture, for example, open a network connection. This method
* is called before a test is executed.
*/
protected void setUp() {
cw = new CharArrayWriter();
}
/**
* Tears down the fixture, for example, close a network connection. This
* method is called after a test is executed.
*/
protected void tearDown() {
if (cr != null)
cr.close();
cw.close();
}
/**
* @tests java.io.CharArrayWriter#append(char)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies append(char c) method.",
method = "append",
args = {char.class}
)
public void test_appendChar() throws IOException {
char testChar = ' ';
CharArrayWriter writer = new CharArrayWriter(10);
writer.append(testChar);
writer.flush();
assertEquals(String.valueOf(testChar), writer.toString());
writer.close();
}
/**
* @tests java.io.CharArrayWriter#append(CharSequence)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Verifies append(CharSequence csq) method.",
method = "append",
args = {java.lang.CharSequence.class}
)
public void test_appendCharSequence() {
String testString = "My Test String";
CharArrayWriter writer = new CharArrayWriter(10);
writer.append(testString);
writer.flush();
assertEquals(testString, writer.toString());
writer.close();
}
/**
* @tests java.io.CharArrayWriter#append(CharSequence, int, int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "append",
args = {java.lang.CharSequence.class, int.class, int.class}
)
public void test_appendLjava_langCharSequenceII() {
String testString = "My Test String";
CharArrayWriter writer = new CharArrayWriter(10);
// Illegal argument checks.
try {
writer.append(testString, -1, 0);
fail("Test 1: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected.
}
try {
writer.append(testString, 0, -1);
fail("Test 2: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected.
}
try {
writer.append(testString, 1, 0);
fail("Test 3: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected.
}
try {
writer.append(testString, 1, testString.length() + 1);
fail("Test 4: IndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected.
}
writer.append(testString, 1, 3);
writer.flush();
assertEquals("Test 5: Appending failed;",
testString.substring(1, 3), writer.toString());
writer.close();
}
}
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