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# frozen_string_literal: true
return if RUBY_ENGINE != "ruby"
require_relative "test_helper"
begin
require "onigmo"
rescue LoadError
# In CRuby's CI, we're not going to test against the parser gem because we
# don't want to have to install it. So in this case we'll just skip this test.
return
end
module Prism
class OnigmoTest < TestCase
def test_ONIGERR_PARSE_DEPTH_LIMIT_OVER
assert_error(%Q{#{"(" * 4096}a#{")" * 4096}}, "parse depth limit over")
end
def test_ONIGERR_EMPTY_CHAR_CLASS
assert_error("[]", "empty char-class")
end
def test_ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED
assert_error("*", "target of repeat operator is not specified")
assert_error("+", "target of repeat operator is not specified")
assert_error("?", "target of repeat operator is not specified")
end
def test_ONIGERR_EMPTY_GROUP_NAME
assert_error("(?<>)", "group name is empty")
end
def test_ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS
assert_error("(", "end pattern with unmatched parenthesis")
assert_error("(|", "end pattern with unmatched parenthesis")
assert_error("(?<", "end pattern with unmatched parenthesis")
end
def test_ONIGERR_END_PATTERN_IN_GROUP
assert_error("(?", "end pattern in group")
assert_error("(?#", "end pattern in group")
end
def test_ONIGERR_UNDEFINED_GROUP_OPTION
assert_error("(?P", "undefined group option")
end
def test_ONIGERR_UNMATCHED_CLOSE_PARENTHESIS
assert_error(")", "unmatched close parenthesis")
end
private
def assert_error(source, message)
result = Prism.parse("/#{source}/")
assert result.failure?, "Expected #{source.inspect} to error"
assert_equal message, result.errors.first.message
error = assert_raise(ArgumentError) { Onigmo.parse(source) }
assert_equal message, error.message
end
end
end
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