From 2438fa4435d6393168412574a3ef94396a4debe5 Mon Sep 17 00:00:00 2001
From: Ryo Nihei <nihei.dev@gmail.com>
Date: Sun, 8 May 2022 13:07:56 +0900
Subject: Add #assign directive

An #assign directive changes only precedence.
---
 spec/parser_test.go | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'spec/parser_test.go')

diff --git a/spec/parser_test.go b/spec/parser_test.go
index de2c6f7..3fe950f 100644
--- a/spec/parser_test.go
+++ b/spec/parser_test.go
@@ -34,6 +34,12 @@ func TestParse(t *testing.T) {
 			Parameters: params,
 		}
 	}
+	assign := func(params ...*ParameterNode) *DirectiveNode {
+		return &DirectiveNode{
+			Name:       "assign",
+			Parameters: params,
+		}
+	}
 	prod := func(lhs string, alts ...*AlternativeNode) *ProductionNode {
 		return &ProductionNode{
 			LHS: lhs,
@@ -148,6 +154,7 @@ func TestParse(t *testing.T) {
 #prec (
     #left a b
     #right c d
+    #assign e f
 );
 `,
 			ast: &RootNode{
@@ -191,6 +198,19 @@ func TestParse(t *testing.T) {
 										),
 										newPos(6),
 									),
+									withDirPos(
+										assign(
+											withParamPos(
+												idParam("e"),
+												newPos(7),
+											),
+											withParamPos(
+												idParam("f"),
+												newPos(7),
+											),
+										),
+										newPos(7),
+									),
 								),
 								newPos(4),
 							),
-- 
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