Added tests for ExtensionMethod

test/transform/resource/before/ExtensionMethodVarargs.java

@@ -0,0 +1,23 @@
+// version 8:
+import lombok.experimental.ExtensionMethod;
+
+@ExtensionMethod(ExtensionMethodVarargs.Extensions.class)
+class ExtensionMethodVarargs {
+	public void test() {
+		Long l1 = 1l;
+		long l2 = 1l;
+		Integer i1 = 1;
+		int i2 = 1;
+		
+		"%d %d %d %d".format(l1, l2, i1, i2);
+		"%d".format(l1);
+		"".format(new Integer[]{1,2});
+		"".format(new Integer[]{1,2}, new Integer[]{1,2});
+	}
+
+	static class Extensions {
+		public static String format(String string, Object... params) {
+			return String.format(string, params);
+		}
+	}
+}