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authoraycabta <aycabta@gmail.com>2021-01-04 21:11:24 +0900
committeraycabta <aycabta@gmail.com>2021-01-05 18:06:43 +0900
commit0123bc9d3851c79338b9df509a82b74c93371381 (patch)
treee75a40840394262889688ff29cd29b4609e141a3 /test/irb
parent5a1866caff1ec7d924c4101ea05e9d460b6ef3ae (diff)
[ruby/irb] Use error tokens if there are no correct tokens in the same place
For example, the broken code "%www" will result in only one error token. https://github.com/ruby/irb/commit/9fa39a7cf3
Diffstat (limited to 'test/irb')
-rw-r--r--test/irb/test_ruby_lex.rb32
1 files changed, 32 insertions, 0 deletions
diff --git a/test/irb/test_ruby_lex.rb b/test/irb/test_ruby_lex.rb
index 0c7c9f2..ed4944a 100644
--- a/test/irb/test_ruby_lex.rb
+++ b/test/irb/test_ruby_lex.rb
@@ -442,5 +442,37 @@ module TestIRB
expected_prompt_list = input_with_prompt.map(&:prompt)
assert_dynamic_prompt(lines, expected_prompt_list)
end
+
+ def test_broken_percent_literal
+ if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.7.0')
+ skip 'This test needs Ripper::Lexer#scan to take broken tokens'
+ end
+
+ ruby_lex = RubyLex.new
+ tokens = ruby_lex.ripper_lex_without_warning('%wwww')
+ pos_to_index = {}
+ tokens.each_with_index { |t, i|
+ assert_nil(pos_to_index[t[0]], "There is already another token in the position of #{t.inspect}.")
+ pos_to_index[t[0]] = i
+ }
+ end
+
+ def test_broken_percent_literal_in_method
+ if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.7.0')
+ skip 'This test needs Ripper::Lexer#scan to take broken tokens'
+ end
+
+ ruby_lex = RubyLex.new
+ tokens = ruby_lex.ripper_lex_without_warning(<<~EOC.chomp)
+ def foo
+ %wwww
+ end
+ EOC
+ pos_to_index = {}
+ tokens.each_with_index { |t, i|
+ assert_nil(pos_to_index[t[0]], "There is already another token in the position of #{t.inspect}.")
+ pos_to_index[t[0]] = i
+ }
+ end
end
end