/*
* 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 libcore.java.io;
import java.io.CharArrayReader;
import java.io.IOException;
public class OldCharArrayReaderTest extends junit.framework.TestCase {
char[] hw = { 'H', 'e', 'l', 'l', 'o', 'W', 'o', 'r', 'l', 'd' };
CharArrayReader cr;
/**
* java.io.CharArrayReader#CharArrayReader(char[])
*/
public void test_Constructor$C() {
// Test for method java.io.CharArrayReader(char [])
try {
cr = new CharArrayReader(hw);
assertTrue("Failed to create reader", cr.ready());
} catch (IOException e) {
fail("Exception determining ready state : " + e.getMessage());
}
}
/**
* java.io.CharArrayReader#CharArrayReader(char[], int, int)
*/
public void test_Constructor$CII() throws IOException {
try {
cr = new CharArrayReader(null, 0, 0);
fail("Test 1: NullPointerException expected.");
} catch (NullPointerException e) {
// Expected.
}
try {
cr = new CharArrayReader(hw, -1, 0);
fail("Test 2: IllegalArgumentException expected.");
} catch (IllegalArgumentException e) {
// Expected.
}
try {
cr = new CharArrayReader(hw, 0, -1);
fail("Test 3: IllegalArgumentException expected.");
} catch (IllegalArgumentException e) {
// Expected.
}
try {
cr = new CharArrayReader(hw, hw.length + 1, 1);
fail("Test 4: IllegalArgumentException expected.");
} catch (IllegalArgumentException e) {
// Expected.
}
cr = new CharArrayReader(hw, 5, 5);
assertTrue("Test 5: Failed to create reader", cr.ready());
assertEquals("Test 6: Incorrect character read;",
'W', cr.read());
}
/**
* java.io.CharArrayReader#close()
*/
public void test_close() {
cr = new CharArrayReader(hw);
cr.close();
try {
cr.read();
fail("Failed to throw exception on read from closed stream");
} catch (IOException e) {
// Expected.
}
}
/**
* java.io.CharArrayReader#mark(int)
*/
public void test_markI() throws IOException {
cr = new CharArrayReader(hw);
cr.skip(5L);
cr.mark(100);
cr.read();
cr.reset();
assertEquals("Test 1: Failed to mark correct position;",
'W', cr.read());
cr.close();
try {
cr.mark(100);
fail("Test 2: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
/**
* java.io.CharArrayReader#markSupported()
*/
public void test_markSupported() {
cr = new CharArrayReader(hw);
assertTrue("markSupported returned false", cr.markSupported());
}
/**
* java.io.CharArrayReader#read()
*/
public void test_read() throws IOException {
cr = new CharArrayReader(hw);
assertEquals("Test 1: Read returned incorrect char;",
'H', cr.read());
cr = new CharArrayReader(new char[] { '\u8765' });
assertTrue("Test 2: Incorrect double byte char;",
cr.read() == '\u8765');
cr.close();
try {
cr.read();
fail("Test 3: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
/**
* java.io.CharArrayReader#read(char[], int, int)
*/
public void test_read$CII() throws IOException {
// Test for method int java.io.CharArrayReader.read(char [], int, int)
char[] c = new char[11];
cr = new CharArrayReader(hw);
cr.read(c, 1, 10);
assertTrue("Test 1: Read returned incorrect chars.",
new String(c, 1, 10).equals(new String(hw, 0, 10)));
// Illegal argument checks.
try {
cr.read(null, 1, 0);
fail("Test 2: NullPointerException expected.");
} catch (NullPointerException e) {
// Expected.
}
try {
cr.read(c , -1, 1);
fail("Test 3: ArrayIndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
cr.read(c , 1, -1);
fail("Test 4: ArrayIndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
try {
cr.read(c, 1, c.length);
fail("Test 5: ArrayIndexOutOfBoundsException expected.");
} catch (IndexOutOfBoundsException e) {
// Expected
}
cr.close();
try {
cr.read(c, 1, 1);
fail("Test 6: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
public void test_ready() {
// Test for method boolean java.io.CharArrayReader.ready()
cr = new CharArrayReader(hw);
boolean expectException = false;
try {
assertTrue("ready returned false", cr.ready());
cr.skip(1000);
assertTrue("ready returned true", !cr.ready());
cr.close();
expectException = true;
cr.ready();
fail("No exception 1");
} catch (IOException e) {
if (!expectException)
fail("Unexpected: " + e);
}
try {
cr = new CharArrayReader(hw);
cr.close();
cr.ready();
fail("No exception 2");
} catch (IOException e) {
}
}
/**
* java.io.CharArrayReader#reset()
*/
public void test_reset() throws IOException {
cr = new CharArrayReader(hw);
cr.skip(5L);
cr.mark(100);
cr.read();
cr.reset();
assertEquals("Test 1: Reset failed to return to marker position.",
'W', cr.read());
cr.close();
try {
cr.reset();
fail("Test 2: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
public void test_skipJ() throws IOException {
long skipped = 0;
cr = new CharArrayReader(hw);
skipped = cr.skip(5L);
assertEquals("Test 1: Failed to skip correct number of chars;",
5L, skipped);
assertEquals("Test 2: Skip skipped wrong chars;",
'W', cr.read());
cr.close();
try {
cr.skip(1);
fail("Test 3: IOException expected.");
} catch (IOException e) {
// Expected.
}
}
protected void tearDown() {
if (cr != null)
cr.close();
}
}