mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Nobuyoshi Nakada
69 lines
1.9 KiB
Ruby
69 lines
1.9 KiB
Ruby
# -*- coding: utf-8 -*-
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##
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# String(utf8) Test
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assert('String#[]') do
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assert_equal "ち", "こんにちは世界"[3]
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assert_equal nil, "こんにちは世界"[20]
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assert_equal "世", "こんにちは世界"[-2]
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assert_equal "世界", "こんにちは世界"[-2..-1]
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assert_equal "んに", "こんにちは世界"[1,2]
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assert_equal "世", "こんにちは世界"["世"]
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end
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assert('String#reverse', '15.2.10.5.29') do
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a = 'こんにちは世界!'
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a.reverse
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assert_equal 'こんにちは世界!', a
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assert_equal '!界世はちにんこ', 'こんにちは世界!'.reverse
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end
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assert('String#reverse!', '15.2.10.5.30') do
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a = 'こんにちは世界!'
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a.reverse!
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assert_equal '!界世はちにんこ', a
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assert_equal '!界世はちにんこ', 'こんにちは世界!'.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 = 'こんにちは世界!'
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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 = "こんにちは世界!\nこんにちは世界!"
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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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assert('String#ord') do
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got = "こんにちは世界!".split('').map {|x| x.ord}
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expect = [0x3053,0x3093,0x306b,0x3061,0x306f,0x4e16,0x754c,0x21]
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assert_equal expect, got
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end
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assert('String#split') do
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got = "こんにちは世界!".split('')
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assert_equal ['こ', 'ん', 'に', 'ち', 'は', '世', '界', '!'], got
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got = "こんにちは世界!".split('に')
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assert_equal ['こん', 'ちは世界!'], got
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end
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assert('String#rindex') do
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str = "こんにちは世界!\nこんにちは世界!"
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assert_nil str.index('さ')
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assert_equal 12, str.rindex('ち')
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assert_equal 3, str.rindex('ち', 10)
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end
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