Parse addition

1 files changed, 12 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/ast/untyped/UntypedNodeMatchers.java b/src/test/java/org/shedlang/compiler/ast/untyped/UntypedNodeMatchers.java
index 1f74008d..e7c8d01c 100644
--- a/src/test/java/org/shedlang/compiler/ast/untyped/UntypedNodeMatchers.java
+++ b/src/test/java/org/shedlang/compiler/ast/untyped/UntypedNodeMatchers.java
@@ -10,6 +10,18 @@ public class UntypedNodeMatchers {
     private UntypedNodeMatchers() {
     }
 
+    public static Matcher<UntypedExpressionNode> isUntypedAddNode(
+        Matcher<UntypedExpressionNode> left,
+        Matcher<UntypedExpressionNode> right
+    ) {
+        return instanceOf(
+            UntypedBinaryOperationNode.class,
+            has("operator", x -> x.operator(), equalTo(UntypedBinaryOperator.ADD)),
+            has("left", x -> x.left(), left),
+            has("right", x -> x.right(), right)
+        );
+    }
+
     public static UntypedArgsNodeMatcher isUntypedArgsNode() {
         return UntypedArgsNodeMatcher.empty();
     }