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# Copyright © 2016 Kimihito Matsui (松井 仁人) and Martin J. Dürst (duerst@it.aoyama.ac.jp)
require "test/unit"
class TestCaseOptions < Test::Unit::TestCase
def assert_raise_functional_operations(arg, *options)
assert_raise(ArgumentError) { arg.upcase(*options) }
assert_raise(ArgumentError) { arg.downcase(*options) }
assert_raise(ArgumentError) { arg.capitalize(*options) }
assert_raise(ArgumentError) { arg.swapcase(*options) }
end
def assert_raise_bang_operations(arg, *options)
assert_raise(ArgumentError) { arg.upcase!(*options) }
assert_raise(ArgumentError) { arg.downcase!(*options) }
assert_raise(ArgumentError) { arg.capitalize!(*options) }
assert_raise(ArgumentError) { arg.swapcase!(*options) }
end
def assert_raise_both_types(*options)
assert_raise_functional_operations 'a', *options
assert_raise_bang_operations 'a', *options
assert_raise_functional_operations :a, *options
end
def test_option_errors
assert_raise_both_types :invalid
assert_raise_both_types :lithuanian, :turkic, :fold
assert_raise_both_types :fold, :fold
assert_raise_both_types :ascii, :fold
assert_raise_both_types :fold, :ascii
assert_raise_both_types :ascii, :turkic
assert_raise_both_types :turkic, :ascii
assert_raise_both_types :ascii, :lithuanian
assert_raise_both_types :lithuanian, :ascii
end
def assert_okay_functional_operations(arg, *options)
assert_nothing_raised { arg.upcase(*options) }
assert_nothing_raised { arg.downcase(*options) }
assert_nothing_raised { arg.capitalize(*options) }
assert_nothing_raised { arg.swapcase(*options) }
end
def assert_okay_bang_operations(arg, *options)
assert_nothing_raised { arg.upcase!(*options) }
assert_nothing_raised { arg.downcase!(*options) }
assert_nothing_raised { arg.capitalize!(*options) }
assert_nothing_raised { arg.swapcase!(*options) }
end
def assert_okay_both_types(*options)
assert_okay_functional_operations 'a', *options
assert_okay_bang_operations 'a', *options
assert_okay_functional_operations :a, *options
end
def test_options_okay
assert_okay_both_types
assert_okay_both_types :ascii
assert_okay_both_types :turkic
assert_okay_both_types :lithuanian
assert_okay_both_types :turkic, :lithuanian
assert_okay_both_types :lithuanian, :turkic
end
def test_operation_specific # :fold option only allowed on downcase
assert_nothing_raised { 'a'.downcase :fold }
assert_raise(ArgumentError) { 'a'.upcase :fold }
assert_raise(ArgumentError) { 'a'.capitalize :fold }
assert_raise(ArgumentError) { 'a'.swapcase :fold }
assert_nothing_raised { 'a'.downcase! :fold }
assert_raise(ArgumentError) { 'a'.upcase! :fold }
assert_raise(ArgumentError) { 'a'.capitalize! :fold }
assert_raise(ArgumentError) { 'a'.swapcase! :fold }
assert_nothing_raised { :a.downcase :fold }
assert_raise(ArgumentError) { :a.upcase :fold }
assert_raise(ArgumentError) { :a.capitalize :fold }
assert_raise(ArgumentError) { :a.swapcase :fold }
end
end
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