test duplicate rules

2021-09-05 09:50:04 -04:00 · 2021-09-05 09:50:04 -04:00 · bdb10e7afc
commit bdb10e7afc
parent 7bdaf7cdbc
1 changed files with 16 additions and 0 deletions
--- a/spec/imbecile_spec.rb
+++ b/spec/imbecile_spec.rb
@ -61,6 +61,22 @@ B: [zero] <<
 >>
 B: [one] <<
 >>
+EOF
+    build_parser
+  end
+
+  it "generates a parser with duplicate rules" do
+    write_grammar <<EOF
+token a
+token b
+Start: [R1] <<
+>>
+Start: [R2] <<
+>>
+R1: [a b] <<
+>>
+R2: [a b] <<
+>>
 EOF
    build_parser
  end