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package com.sun.faces.io;
import com.sun.faces.application.ViewHandlerResponseWrapper;
import com.sun.faces.cactus.ServletFacesTestCase;
import javax.servlet.ServletOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
public class TestIO extends ServletFacesTestCase {
public TestIO() {
super("TestIO");
}
public TestIO(String name) {
super(name);
}
// ------------------------------------------------------------ Test Methods
public void testBase64Streams() throws Exception {
// create a string over 2048 bytes in length
String testString = "This is a test String";
for (int i = testString.length(); i < 6000; i++) {
testString += 'a';
}
StringWriter writer = new StringWriter();
Base64OutputStreamWriter sw = new Base64OutputStreamWriter(2048, writer);
ObjectOutputStream os = new ObjectOutputStream(sw);
os.writeObject(testString);
os.flush();
os.close();
sw.finish();
String encodedString = writer.toString();
// no take the encodedString and reverse the operation
Base64InputStream bin = new Base64InputStream(encodedString);
ObjectInputStream input = new ObjectInputStream(bin);
String result = (String) input.readObject();
input.close();
assertTrue(result != null);
assertTrue(result.length() == testString.length());
assertTrue(testString.equals(result));
}
public void testViewHandlerResponseWrapperStreamIO() throws Exception {
ViewHandlerResponseWrapper w1 =
new ViewHandlerResponseWrapper(getResponse());
ServletOutputStream os = w1.getOutputStream();
os.write('1');
try {
w1.getWriter();
assertTrue(false);
} catch (IllegalStateException ise) {
// expected
}
os.flush();
os.close();
PrintWriter writer = null;
try {
writer = w1.getWriter();
} catch (IllegalStateException ise) {
assertTrue(false);
}
// we've closed the stream - and should have a fake
// writer. Ensure writing to it doesn't impact the result;
writer.print("Some junk");
StringWriter buf = new StringWriter();
w1.flushToWriter(buf, "ISO-8859-1");
assertTrue(!buf.toString().contains("Some junk"));
// ensure that the content that was written to the stream is
// present
assertTrue("1".equals(buf.toString()));
w1 = new ViewHandlerResponseWrapper(getResponse());
os = w1.getOutputStream();
// flushBuffer should commit the response so getWriter()
// should throw no Exception
w1.flushBuffer();
try {
w1.getWriter();
} catch (IllegalStateException ise) {
assertTrue(false);
}
}
public void testViewHandlerResponseWrapperCharIO() throws Exception {
ViewHandlerResponseWrapper w1 =
new ViewHandlerResponseWrapper(getResponse());
PrintWriter pw = w1.getWriter();
pw.write("some stuff");
try {
w1.getOutputStream();
assertTrue(false);
} catch (IllegalStateException ise) {
// expected
}
pw.flush();
pw.close();
ServletOutputStream os = null;
try {
os = w1.getOutputStream();
} catch (IllegalStateException ise) {
assertTrue(false);
}
// we've closed the stream - and should have a fake
// writer. Ensure writing to it doesn't impact the result;
os.write('1');
StringWriter buf = new StringWriter();
w1.flushToWriter(buf, "ISO-8859-1");
assertTrue(!buf.toString().contains("1"));
// ensure that the content that was written to the stream is
// present
assertTrue("some stuff".equals(buf.toString()));
w1 = new ViewHandlerResponseWrapper(getResponse());
pw = w1.getWriter();
// flushBuffer should commit the response so getWriter()
// should throw no Exception
w1.flushBuffer();
try {
w1.getOutputStream();
} catch (IllegalStateException ise) {
assertTrue(false);
}
}
} // END TestIO