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ruby--ruby/test/ripper/test_lexer.rb
nobu d9d8ca0b8f lexer.rb: ignore dedented space
* ext/ripper/lib/ripper/lexer.rb (on_heredoc_dedent): replace an
  empty string content because of dedentation with :on_ignored_sp.
  an empty token makes the sorted order unstable.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59269 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-07-06 04:12:51 +00:00

54 lines
936 B
Ruby

# frozen_string_literal: true
begin
require_relative 'dummyparser'
require 'test/unit'
ripper_test = true
module TestRipper; end
rescue LoadError
end
class TestRipper::Lexer < Test::Unit::TestCase
def test_nested_dedent_heredoc
bug = '[ruby-core:80977] [Bug #13536]'
str = <<~'E'
<<~"D"
#{
<<~"B"
this must be a valid ruby
B
}
D
E
assert_equal(str, Ripper.tokenize(str).join(""), bug)
str = <<~'E'
<<~"D"
#{
<<~"B"
this must be a valid ruby
B
}
D
E
assert_equal(str, Ripper.tokenize(str).join(""), bug)
end
def test_embedded_expr_in_heredoc
src = <<~'E'
<<~B
#{1}
B
E
expect = %I[
on_heredoc_beg
on_nl
on_ignored_sp
on_embexpr_beg
on_int
on_embexpr_end
on_tstring_content
on_heredoc_end
]
assert_equal expect, Ripper.lex(src).map {|e| e[1]}
end
end