[ruby/prism] Ensure deserialization works with errors+warnings>256

https://github.com/ruby/prism/commit/f540e830b5

1 files changed, 19 insertions, 0 deletions

diff --git a/test/prism/command_line_test.rb b/test/prism/command_line_test.rb
index 96ceb2da38..4b04c36f3a 100644
--- a/test/prism/command_line_test.rb
+++ b/test/prism/command_line_test.rb
@@ -88,5 +88,24 @@ module Prism
 
       assert_kind_of IntegerNode, result.value.statements.body.first
     end
+
+    def test_command_line_x_implicit_fail
+      result = Prism.parse(<<~RUBY)
+        #!/bin/bash
+        exit 1
+      RUBY
+
+      assert_equal 1, result.errors.length
+      assert_equal :load, result.errors.first.level
+    end
+
+    def test_command_line_x_explicit_fail
+      result = Prism.parse(<<~RUBY, command_line: "x")
+        exit 1
+      RUBY
+
+      assert_equal 1, result.errors.length
+      assert_equal :load, result.errors.first.level
+    end
   end
 end