[ruby/irb] Support shortening lambda notation

https://github.com/ruby/irb/commit/8e3f81d428

1 files changed, 16 insertions, 0 deletions

diff --git a/test/irb/test_ruby_lex.rb b/test/irb/test_ruby_lex.rb
index db15593f37..51a0bd1351 100644
--- a/test/irb/test_ruby_lex.rb
+++ b/test/irb/test_ruby_lex.rb
@@ -234,5 +234,21 @@ module TestIRB
         assert_indenting(lines, row.new_line_spaces, true)
       end
     end
+
+    def test_tlambda
+      input_with_correct_indents = [
+        Row.new(%q(if true), nil, 2),
+        Row.new(%q(  -> {), nil, 4),
+        Row.new(%q(  }), 2, 2),
+        Row.new(%q(end), 0, 0),
+      ]
+
+      lines = []
+      input_with_correct_indents.each do |row|
+        lines << row.content
+        assert_indenting(lines, row.current_line_spaces, false)
+        assert_indenting(lines, row.new_line_spaces, true)
+      end
+    end
   end
 end