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# frozen_string_literal: false
require 'test/unit'
require 'irb/ruby-lex'
require 'stringio'
module TestIRB
class TestRubyLex < Test::Unit::TestCase
def setup
@scanner = RubyLex.new
end
def test_set_input_proc
called = false
@scanner.set_input(nil) {called = true; nil}
@scanner.each_top_level_statement {}
assert(called)
end
def test_comment
assert_equal([["#\n", 1]], top_level_statement("#\n"))
end
def top_level_statement(lines)
input = InputLines.new(lines, "r")
scanned = []
@scanner.set_input(input)
@scanner.each_top_level_statement {|*e|
scanned << e
yield(*e) if defined?(yield)
}
scanned
end
class InputLines < StringIO
alias encoding external_encoding
end
end
end
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