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# -*- coding: utf-8 -*-
##
# String(utf8) Test
assert('String#[]') do
assert_equal "ち", "こんにちは世界"[3]
assert_equal nil, "こんにちは世界"[20]
assert_equal "世", "こんにちは世界"[-2]
assert_equal "世界", "こんにちは世界"[-2..-1]
assert_equal "んに", "こんにちは世界"[1,2]
assert_equal "世", "こんにちは世界"["世"]
end
assert('String#reverse', '15.2.10.5.29') do
a = 'こんにちは世界!'
a.reverse
assert_equal 'こんにちは世界!', a
assert_equal '!界世はちにんこ', 'こんにちは世界!'.reverse
end
assert('String#reverse!', '15.2.10.5.30') do
a = 'こんにちは世界!'
a.reverse!
assert_equal '!界世はちにんこ', a
assert_equal '!界世はちにんこ', 'こんにちは世界!'.reverse!
end
assert('Invalid sequence') do
assert_equal 5, "\xF8\x88\x80\x80\x80".size
assert_equal 6, "\xFC\x84\x80\x80\x80\x80".size
end
assert('String#size') do
str = 'こんにちは世界!'
assert_equal 8, str.size
assert_not_equal str.bytesize, str.size
assert_equal 2, str[1, 2].size
end
assert('String#index') do
str = "こんにちは世界!\nこんにちは世界!"
assert_nil str.index('さ')
assert_equal 3, str.index('ち')
assert_equal 12, str.index('ち', 10)
assert_equal nil, str.index("さ")
end
assert('String#ord') do
got = "こんにちは世界!".split('').map {|x| x.ord}
expect = [0x3053,0x3093,0x306b,0x3061,0x306f,0x4e16,0x754c,0x21]
assert_equal expect, got
end
assert('String#split') do
got = "こんにちは世界!".split('')
assert_equal ['こ', 'ん', 'に', 'ち', 'は', '世', '界', '!'], got
got = "こんにちは世界!".split('に')
assert_equal ['こん', 'ちは世界!'], got
end
assert('String#rindex') do
str = "こんにちは世界!\nこんにちは世界!"
assert_nil str.index('さ')
assert_equal 12, str.rindex('ち')
assert_equal 3, str.rindex('ち', 10)
end
assert('String#chr(utf-8)') do
assert_equal "こ", "こんにちは世界!".chr
end
assert('String#chars') do
expect = ['こ', 'ん', 'に', 'ち', 'は', '世', '界', '!']
assert_equal expect, "こんにちは世界!".chars
s = ""
"こんにちは世界!".chars do |x|
s += x
end
assert_equal "こんにちは世界!", s
end
assert('String#each_char') do
expect = ['こ', 'ん', 'に', 'ち', 'は', '世', '界', '!']
s = ""
"こんにちは世界!".each_char do |x|
s += x
end
assert_equal "こんにちは世界!", s
end
assert('String#codepoints') do
expect = [12371, 12435, 12395, 12385, 12399, 19990, 30028, 33]
assert_equal expect, "こんにちは世界!".codepoints
cp = []
"こんにちは世界!".codepoints do |x|
cp << x
end
assert_equal expect, cp
end
assert('String#each_codepoint') do
expect = [12371, 12435, 12395, 12385, 12399, 19990, 30028, 33]
cp = []
"こんにちは世界!".each_codepoint do |x|
cp << x
end
assert_equal expect, cp
end
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