mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Yukihiro "Matz" Matsumoto
e3074eff6f
Add String#chars, String#each_char, String#codepoints, String#each_codepoint
110 lines
2.9 KiB
Ruby
110 lines
2.9 KiB
Ruby
# -*- 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
|