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https://github.com/mruby/mruby
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mattn
48 lines
1.3 KiB
Ruby
48 lines
1.3 KiB
Ruby
##
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# String(utf8) Test
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assert('String#[]') do
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assert_equal "ち", "こんにちわ世界"[3]
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assert_equal nil, "こんにちわ世界"[20]
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assert_equal "世", "こんにちわ世界"[-2]
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assert_equal "世界", "こんにちわ世界"[-2..-1]
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assert_equal "んに", "こんにちわ世界"[1,2]
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assert_equal "世", "こんにちわ世界"["世"]
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end
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assert('String#reverse', '15.2.10.5.29') do
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a = 'こんにちわ世界!'
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a.reverse
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assert_equal 'こんにちわ世界!', a
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assert_equal '!界世わちにんこ', 'こんにちわ世界!'.reverse
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end
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assert('String#reverse!', '15.2.10.5.30') do
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a = 'こんにちわ世界!'
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a.reverse!
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assert_equal '!界世わちにんこ', a
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assert_equal '!界世わちにんこ', 'こんにちわ世界!'.reverse!
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end
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assert('Invalid sequence') do
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assert_equal 5, "\xF8\x88\x80\x80\x80".size
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assert_equal 6, "\xFC\x84\x80\x80\x80\x80".size
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end
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assert('String#size') do
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str = 'こんにちわ世界!'
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assert_equal 8, str.size
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assert_not_equal str.bytesize, str.size
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assert_equal 2, str[1, 2].size
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end
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assert('String#index') do
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str = "こんにちわ世界!\nこんにちわ世界!"
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assert_nil str.index('さ')
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assert_equal 3, str.index('ち')
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assert_equal 12, str.index('ち', 10)
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assert_equal nil, str.index("さ")
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end
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