replace deprecated API's.

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

@@ -44,4 +44,42 @@ public class LStringTest extends TestCase {
 		
 		assertEquals( 'e', is.read() );
 	}
+	
+	
+	private static final String userFriendly( String s ) {
+		StringBuffer sb = new StringBuffer();
+		for ( int i=0, n=s.length(); i<n; i++ ) {
+			int c = s.charAt(i);
+			if ( c < ' ' || c >= 0x80 ) { 
+				sb.append( "\\u"+Integer.toHexString(0x10000+c).substring(1) );
+			} else {
+				sb.append( (char) c );
+			}
+		}
+		return sb.toString();
+	}
+	
+	public void testUtf8() {		
+		for ( int i=4; i<0xffff; i+=4 ) {
+			char[] c = { (char) (i+0), (char) (i+1), (char) (i+2), (char) (i+3) };
+			String before = new String(c)+" "+i+"-"+(i+4);
+			LString ls = new LString(before);
+			String after = ls.toJavaString();
+			assertEquals( userFriendly( before ), userFriendly( after ) );
+		}
+		char[] c = { (char) (1), (char) (2), (char) (3) };
+		String before = new String(c)+" 1-3";
+		LString ls = new LString(before);
+		String after = ls.toJavaString();
+		assertEquals( userFriendly( before ), userFriendly( after ) );
+		
+	}
+	public void testNullTerminated() {		
+		char[] c = { 'a', 'b', 'c', '\0', 'd', 'e', 'f' };
+		String before = new String(c);
+		LString ls = new LString(before);
+		String after = ls.toJavaString();
+		assertEquals( userFriendly( "abc" ), userFriendly( after ) );
+		
+	}
 }