Add more tests

tests/lang/039.phpt

@@ -0,0 +1,45 @@
+--TEST--
+Catch Interfaces
+--FILE--
+<?php
+
+interface Catchable
+{
+}
+
+class MyException extends Exception implements Catchable
+{
+	function __construct($errstr, $errno, $errfile, $errline)
+	{
+		parent::__construct($errstr, $errno);
+		$this->file = $errfile;
+		$this->line = $errline;
+	}
+}
+
+function Error2Exception($errno, $errstr, $errfile, $errline)
+{
+	throw new MyException($errstr, $errno, $errfile, $errline);
+}
+
+$err_msg = 'no exception';
+set_error_handler('Error2Exception');
+
+try
+{
+	$con = pg_connect('host=localhost dbname=xtest');
+}
+catch (Catchable $e)
+{
+	echo "Catchable\n";
+}
+catch (Exception $e)
+{
+	echo "Exception\n";
+}
+
+?>
+===DONE===
+--EXPECTF--
+Catchable
+===DONE===