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# frozen_string_literal: true
require_relative "test_helper"
module Prism
class MagicCommentTest < TestCase
examples = [
"# encoding: ascii",
"# coding: ascii",
"# eNcOdInG: ascii",
"# CoDiNg: ascii",
"# \s\t\v encoding \s\t\v : \s\t\v ascii \s\t\v",
"# -*- encoding: ascii -*-",
"# -*- coding: ascii -*-",
"# -*- eNcOdInG: ascii -*-",
"# -*- CoDiNg: ascii -*-",
"# -*- \s\t\v encoding \s\t\v : \s\t\v ascii \s\t\v -*-",
"# -*- foo: bar; encoding: ascii -*-",
"# coding \t \r \v : \t \v \r ascii-8bit",
"# vim: filetype=ruby, fileencoding=big5, tabsize=3, shiftwidth=3"
]
examples.each do |example|
define_method(:"test_magic_comment_#{example}") do
assert_magic_comment(example)
end
end
private
def assert_magic_comment(example)
expected = Ripper.new(example).tap(&:parse).encoding
actual = Prism.parse(example).source.source.encoding
assert_equal expected, actual
end
end
end
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