TestSetWriter.java

package php.java.test;

import java.io.IOException;
import java.io.Reader;
import java.io.Writer;

import javax.script.ScriptContext;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;

import junit.framework.TestCase;

public class TestSetWriter extends TestCase {

    public TestSetWriter(String name) {
	super(name);
    }

    protected void setUp() throws Exception {
	super.setUp();
    }

    protected void tearDown() throws Exception {
	super.tearDown();
    }
    public static class TestWriter extends Writer {

	    public void close() throws IOException {
		throw new RuntimeException ("failed");
	    }

	    public void flush() throws IOException {
		
	    }

	    public void write(char[] cbuf, int off, int len) throws IOException {
		assertTrue("3".equals(new String (cbuf, off, len)));
	    }
	      
	  }
	  public static class TestReader extends Reader {

	    public void close() throws IOException {
		throw new RuntimeException ("failed");
	    }

	    public int read(char[] cbuf, int off, int len) throws IOException {
		return 0;
	    }
	      
	  }
	  public void test() throws Exception {
		    ScriptEngineManager m = new ScriptEngineManager();
		    ScriptEngine e = m.getEngineByName("php");
		    ScriptContext c = e.getContext();
		    c.setWriter(new TestWriter());
		    c.setErrorWriter(new TestWriter());
		    c.setReader(new TestReader());
		    e.eval("<?php echo 1+2; ?>");
		    
	    }

}