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# Copyright © 2016 Kimihito Matsui (松井 仁人) and Martin J. Dürst ([email protected])
require "test/unit"
# preliminary tests, using :lithuanian as a guard
# to test new implementation strategy
class TestCaseMappingPreliminary < Test::Unit::TestCase
# checks, including idempotence and non-modification; not always guaranteed
def check_upcase_properties(expected, start, *flags)
assert_equal expected, start.upcase(*flags)
temp = start
assert_equal expected, temp.upcase!(*flags)
assert_equal expected, expected.upcase(*flags)
temp = expected
assert_nil temp.upcase!(*flags)
end
def check_downcase_properties(expected, start, *flags)
assert_equal expected, start.downcase(*flags)
temp = start
assert_equal expected, temp.downcase!(*flags)
assert_equal expected, expected.downcase(*flags)
temp = expected
assert_nil temp.downcase!(*flags)
end
def check_capitalize_properties(expected, start, *flags)
assert_equal expected, start.capitalize(*flags)
temp = start
assert_equal expected, temp.capitalize!(*flags)
assert_equal expected, expected.capitalize(*flags)
temp = expected
assert_nil temp.capitalize!(*flags)
end
# different properties; careful: roundtrip isn't always guaranteed
def check_swapcase_properties(expected, start, *flags)
assert_equal expected, start.swapcase(*flags)
temp = start
assert_equal expected, temp.swapcase!(*flags)
assert_equal start, start.swapcase(*flags).swapcase(*flags)
assert_equal expected, expected.swapcase(*flags).swapcase(*flags)
end
def test_ascii
check_downcase_properties 'yukihiro matsumoto (matz)', 'Yukihiro MATSUMOTO (MATZ)', :lithuanian
check_upcase_properties 'YUKIHIRO MATSUMOTO (MATZ)', 'yukihiro matsumoto (matz)', :lithuanian
check_capitalize_properties 'Yukihiro matsumoto (matz)', 'yukihiro MATSUMOTO (MATZ)', :lithuanian
check_swapcase_properties 'yUKIHIRO matsumoto (MAtz)', 'Yukihiro MATSUMOTO (maTZ)', :lithuanian
end
def test_turcic
check_downcase_properties 'yukihiro matsumoto (matz)', 'Yukihiro MATSUMOTO (MATZ)', :turkic
check_upcase_properties 'YUKİHİRO MATSUMOTO (MATZ)', 'Yukihiro Matsumoto (matz)', :turkic
check_downcase_properties "yuki\u0307hi\u0307ro matsumoto (matz)", 'YUKİHİRO MATSUMOTO (MATZ)', :lithuanian
end
def no_longer_a_test_buffer_allocations
assert_equal 'TURKISH*ı'*10, ('I'*10).downcase(:turkic, :lithuanian)
assert_equal 'TURKISH*ı'*100, ('I'*100).downcase(:turkic, :lithuanian)
assert_equal 'TURKISH*ı'*1_000, ('I'*1_000).downcase(:turkic, :lithuanian)
assert_equal 'TURKISH*ı'*10_000, ('I'*10_000).downcase(:turkic, :lithuanian)
assert_equal 'TURKISH*ı'*100_000, ('I'*100_000).downcase(:turkic, :lithuanian)
assert_equal 'TURKISH*ı'*1_000_000, ('I'*1_000_000).downcase(:turkic, :lithuanian)
end
end
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