Add unit test for LString.toInputStream (meant to commit this a while ago)

src/test/java/lua/value/LStringTest.java

@@ -0,0 +1,47 @@
+package lua.value;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import junit.framework.TestCase;
+
+public class LStringTest extends TestCase {
+	public void testToInputStream() throws IOException {
+		LString str = new LString("Hello");
+		
+		InputStream is = str.toInputStream();
+		
+		assertEquals( 'H', is.read() );
+		assertEquals( 'e', is.read() );
+		assertEquals( 2, is.skip( 2 ) );
+		assertEquals( 'o', is.read() );
+		assertEquals( -1, is.read() );
+		
+		assertTrue( is.markSupported() );
+		
+		is.reset();
+		
+		assertEquals( 'H', is.read() );
+		is.mark( 4 );
+		
+		assertEquals( 'e', is.read() );
+		is.reset();
+		assertEquals( 'e', is.read() );
+		
+		LString substr = str.substring( 1, 4 );
+		assertEquals( 3, substr.length() );
+		
+		is.close();
+		is = substr.toInputStream();
+		
+		assertEquals( 'e', is.read() );
+		assertEquals( 'l', is.read() );
+		assertEquals( 'l', is.read() );
+		assertEquals( -1, is.read() );
+		
+		is = substr.toInputStream();
+		is.reset();
+		
+		assertEquals( 'e', is.read() );
+	}
+}