5 UTF8STRING = __ENCODING__ == "UTF-8"
7 def assert_upto(exp, receiver, *args)
9 receiver.upto(*args) { |v| act << v }
13 assert('String#dump') do
14 assert_equal("\"\\x00\"", "\0".dump)
15 assert_equal("\"foo\"", "foo".dump)
16 assert_equal('"\xe3\x82\x8b"', "る".dump)
17 assert_nothing_raised { ("\1" * 100).dump } # regress #1210
20 assert('String#strip') do
22 assert_equal("abc", s.strip)
23 assert_equal(" abc ", s)
24 assert_equal("", "".strip)
25 assert_equal("", " \t\r\n\f\v".strip)
26 assert_equal("\0a", "\0a\0".strip)
27 assert_equal("abc", "abc".strip)
28 assert_equal("abc", " abc".strip)
29 assert_equal("abc", "abc ".strip)
32 assert('String#lstrip') do
34 assert_equal("abc ", s.lstrip)
35 assert_equal(" abc ", s)
36 assert_equal("", "".lstrip)
37 assert_equal("", " \t\r\n\f\v".lstrip)
38 assert_equal("\0a\0", "\0a\0".lstrip)
39 assert_equal("abc", "abc".lstrip)
40 assert_equal("abc", " abc".lstrip)
41 assert_equal("abc ", "abc ".lstrip)
44 assert('String#rstrip') do
46 assert_equal(" abc", s.rstrip)
47 assert_equal(" abc ", s)
48 assert_equal("", "".rstrip)
49 assert_equal("", " \t\r\n\f\v".rstrip)
50 assert_equal("\0a", "\0a\0".rstrip)
51 assert_equal("abc", "abc".rstrip)
52 assert_equal(" abc", " abc".rstrip)
53 assert_equal("abc", "abc ".rstrip)
56 assert('String#strip!') do
59 assert_equal("abc", s.strip!)
60 assert_equal("abc", s)
62 assert_equal("abc", t)
65 assert('String#lstrip!') do
68 assert_equal("abc ", s.lstrip!)
69 assert_equal("abc ", s)
71 assert_equal("abc ", t)
74 assert('String#rstrip!') do
77 assert_equal(" abc", s.rstrip!)
78 assert_equal(" abc", s)
80 assert_equal(" abc", t)
83 assert('String#swapcase') do
84 assert_equal "hELLO", "Hello".swapcase
85 assert_equal "CyBeR_pUnK11", "cYbEr_PuNk11".swapcase
88 assert('String#swapcase!') do
92 assert_equal s.swapcase, t
95 assert('String#concat') do
96 assert_equal "Hello World!", "Hello " << "World" << 33
97 assert_equal "Hello World!", "Hello ".concat("World").concat(33)
98 assert_raise(TypeError) { "".concat(Object.new) }
101 assert_equal "H«", "H" << 0xab
102 assert_equal "Hは", "H" << 12399
104 assert_equal "H\xab", "H" << 0xab
105 assert_raise(RangeError) { "H" << 12399 }
109 assert('String#casecmp') do
110 assert_equal 1, "abcdef".casecmp("abcde")
111 assert_equal 0, "aBcDeF".casecmp("abcdef")
112 assert_equal(-1, "abcdef".casecmp("abcdefg"))
113 assert_equal 0, "abcdef".casecmp("ABCDEF")
116 assert('String#count') do
118 assert_equal 0, s.count("")
119 assert_equal 1, s.count("a")
120 assert_equal 2, s.count("ab")
121 assert_equal 9, s.count("^c")
122 assert_equal 8, s.count("a-z")
123 assert_equal 4, s.count("a0-9")
126 assert('String#tr') do
127 assert_equal "ABC", "abc".tr('a-z', 'A-Z')
128 assert_equal "hippo", "hello".tr('el', 'ip')
129 assert_equal "Ruby", "Lisp".tr("Lisp", "Ruby")
130 assert_equal "*e**o", "hello".tr('^aeiou', '*')
131 assert_equal "heo", "hello".tr('l', '')
134 assert('String#tr!') do
135 s = "abcdefghijklmnopqR"
136 assert_equal "ab12222hijklmnopqR", s.tr!("cdefg", "12")
137 assert_equal "ab12222hijklmnopqR", s
140 assert('String#tr_s') do
141 assert_equal "hero", "hello".tr_s('l', 'r')
142 assert_equal "h*o", "hello".tr_s('el', '*')
143 assert_equal "hhxo", "hello".tr_s('el', 'hx')
146 assert('String#tr_s!') do
148 assert_equal "hero", s.tr_s!('l', 'r')
149 assert_equal "hero", s
150 assert_nil s.tr_s!('l', 'r')
153 assert('String#squeeze') do
154 assert_equal "yelow mon", "yellow moon".squeeze
155 assert_equal " now is the", " now is the".squeeze(" ")
156 assert_equal "puters shot balls", "putters shoot balls".squeeze("m-z")
159 assert('String#squeeze!') do
161 assert_equal " now is the", s.squeeze!(" ")
162 assert_equal " now is the", s
165 assert('String#delete') do
166 assert_equal "he", "hello".delete("lo")
167 assert_equal "hll", "hello".delete("aeiou")
168 assert_equal "ll", "hello".delete("^l")
169 assert_equal "ho", "hello".delete("ej-m")
172 assert('String#delete!') do
174 assert_equal "he", s.delete!("lo")
176 assert_nil s.delete!("lz")
179 assert('String#start_with?') do
180 assert_true "hello".start_with?("heaven", "hell")
181 assert_true !"hello".start_with?("heaven", "paradise")
182 assert_true !"h".start_with?("heaven", "hell")
183 assert_raise TypeError do "hello".start_with?(true) end
186 assert('String#end_with?') do
187 assert_true "string".end_with?("ing", "mng")
188 assert_true !"string".end_with?("str", "tri")
189 assert_true !"ng".end_with?("ing", "mng")
190 assert_raise TypeError do "hello".end_with?(true) end
193 assert('String#partition') do
194 assert_equal ["a", "x", "axa"], "axaxa".partition("x")
195 assert_equal ["aaaaa", "", ""], "aaaaa".partition("x")
196 assert_equal ["", "", "aaaaa"], "aaaaa".partition("")
197 assert_equal ["", "a", "aaaa"], "aaaaa".partition("a")
198 assert_equal ["aaaa", "b", ""], "aaaab".partition("b")
199 assert_equal ["", "b", "aaaa"], "baaaa".partition("b")
200 assert_equal ["", "", ""], "".partition("a")
203 assert('String#rpartition') do
204 assert_equal ["axa", "x", "a"], "axaxa".rpartition("x")
205 assert_equal ["", "", "aaaaa"], "aaaaa".rpartition("x")
206 assert_equal ["aaaaa", "", ""], "aaaaa".rpartition("")
207 assert_equal ["aaaa", "a", ""], "aaaaa".rpartition("a")
208 assert_equal ["aaaa", "b", ""], "aaaab".rpartition("b")
209 assert_equal ["", "b", "aaaa"], "baaaa".rpartition("b")
210 assert_equal ["", "", ""], "".rpartition("a")
213 assert('String#hex') do
214 assert_equal 16, "10".hex
215 assert_equal 255, "ff".hex
216 assert_equal 16, "0x10".hex
217 assert_equal (-16), "-0x10".hex
218 assert_equal 0, "xyz".hex
219 assert_equal 16, "10z".hex
220 assert_equal 16, "1_0".hex
221 assert_equal 0, "".hex
224 assert('String#oct') do
225 assert_equal 8, "10".oct
226 assert_equal 7, "7".oct
227 assert_equal 0, "8".oct
228 assert_equal 0, "9".oct
229 assert_equal 0, "xyz".oct
230 assert_equal 8, "10z".oct
231 assert_equal 8, "1_0".oct
232 assert_equal 8, "010".oct
233 assert_equal (-8), "-10".oct
236 assert('String#lines') do
237 assert_equal ["Hel\n", "lo\n", "World!"], "Hel\nlo\nWorld!".lines
238 assert_equal ["Hel\n", "lo\n", "World!\n"], "Hel\nlo\nWorld!\n".lines
239 assert_equal ["\n", "\n", "\n"], "\n\n\n".lines
240 assert_equal [], "".lines
243 assert('String#clear') do
246 assert_equal("", s.clear)
249 # not embed string and not shared string
252 assert_equal("", s.clear)
258 a = s[10, 90] # create shared string
259 assert_equal("", s.clear) # clear
260 assert_equal("", s) # s is cleared
261 assert_not_equal("", a) # a should not be affected
264 assert('String#slice!') do
267 assert_equal "A", a.slice!(0)
268 assert_equal "AooBar", b
271 assert_equal "r", a.slice!(-1)
272 assert_equal "FooBa", a
275 assert_nil a.slice!(6)
276 assert_nil a.slice!(-7)
277 assert_equal "FooBar", a
280 assert_equal "Foo", a.slice!(0, 3)
281 assert_equal "Bar", a
284 assert_equal "Bar", a.slice!(-3, 3)
285 assert_equal "Foo", a
288 assert_equal "", a.slice!(6, 2)
289 assert_equal "FooBar", a
292 assert_nil a.slice!(-7,10)
293 assert_equal "FooBar", a
296 assert_equal "Foo", a.slice!(0..2)
297 assert_equal "Bar", a
300 assert_equal "Bar", a.slice!(-3..-1)
301 assert_equal "Foo", a
304 assert_equal "", a.slice!(6..2)
305 assert_equal "FooBar", a
308 assert_nil a.slice!(-10..-7)
309 assert_equal "FooBar", a
312 assert_equal "Foo", a.slice!("Foo")
313 assert_equal "Bar", a
316 assert_nil a.slice!("xyzzy")
317 assert_equal "FooBar", a
319 assert_raise(ArgumentError) { "foo".slice! }
322 assert('String#succ') do
323 assert_equal "", "".succ
324 assert_equal "1", "0".succ
325 assert_equal "10", "9".succ
326 assert_equal "01", "00".succ
327 assert_equal "a1", "a0".succ
328 assert_equal "A1", "A0".succ
329 assert_equal "10", "09".succ
330 assert_equal "b0", "a9".succ
331 assert_equal "B0", "A9".succ
333 assert_equal "b", "a".succ
334 assert_equal "aa", "z".succ
335 assert_equal "ab", "aa".succ
336 assert_equal "Ab", "Aa".succ
337 assert_equal "0b", "0a".succ
338 assert_equal "ba", "az".succ
339 assert_equal "Ba", "Az".succ
340 assert_equal "1a", "0z".succ
342 assert_equal "B", "A".succ
343 assert_equal "AA", "Z".succ
344 assert_equal "AB", "AA".succ
345 assert_equal "aB", "aA".succ
346 assert_equal "0B", "0A".succ
347 assert_equal "BA", "AZ".succ
348 assert_equal "bA", "aZ".succ
349 assert_equal "1A", "0Z".succ
351 assert_equal ".", "-".succ
352 assert_equal "\x01\x00", "\xff".succ
353 assert_equal "-b", "-a".succ
354 assert_equal "-aa", "-z".succ
355 assert_equal "-a-b-", "-a-a-".succ
356 assert_equal "-b-", "-a-".succ
357 assert_equal "-aa-", "-z-".succ
358 assert_equal "あb", "あa".succ
359 assert_equal "あba", "あaz".succ
417 assert_equal "\x01\x00", a
421 assert_equal "-aa", a
423 assert_equal "-a-b-", a
425 assert_equal "-b-", a
427 assert_equal "-aa-", a
431 assert_equal "あba", a
434 assert('String#next') do
435 assert_equal "01", "00".next
441 assert('String#insert') do
442 assert_equal "Xabcd", "abcd".insert(0, 'X')
443 assert_equal "abcXd", "abcd".insert(3, 'X')
444 assert_equal "abcdX", "abcd".insert(4, 'X')
445 assert_equal "abXcd", "abcd".insert(-3, 'X')
446 assert_equal "abcdX", "abcd".insert(-1, 'X')
447 assert_raise(IndexError) { "abcd".insert(5, 'X') }
448 assert_raise(IndexError) { "abcd".insert(-6, 'X') }
452 assert_equal "Xabcd", a
455 assert('String#prepend') do
457 assert_equal "hello world", a.prepend("hello ")
458 assert_equal "hello world", a
461 assert('String#ljust') do
462 assert_equal "hello", "hello".ljust(4)
463 assert_equal "hello ", "hello".ljust(20)
464 assert_equal 20, "hello".ljust(20).length
465 assert_equal "hello123412341234123", "hello".ljust(20, '1234')
466 assert_equal "hello", "hello".ljust(-3)
469 assert('String#rjust') do
470 assert_equal "hello", "hello".rjust(4)
471 assert_equal " hello", "hello".rjust(20)
472 assert_equal 20, "hello".rjust(20).length
473 assert_equal "123412341234123hello", "hello".rjust(20, '1234')
474 assert_equal "hello", "hello".rjust(-3)
478 assert('String#ljust with UTF8') do
479 assert_equal "helloん ", "helloん".ljust(20)
480 assert_equal "helloó ", "helloó".ljust(34)
481 assert_equal 34, "helloó".ljust(34).length
482 assert_equal "helloんんんんんんんんんんんんんん", "hello".ljust(19, 'ん')
483 assert_equal "helloんんんんんんんんんんんんんんん", "hello".ljust(20, 'ん')
486 assert('String#rjust with UTF8') do
487 assert_equal " helloん", "helloん".rjust(20)
488 assert_equal " helloó", "helloó".rjust(34)
489 # assert_equal 34, "helloó".rjust(34).length
490 assert_equal "んんんんんんんんんんんんんんhello", "hello".rjust(19, 'ん')
491 assert_equal "んんんんんんんんんんんんんんんhello", "hello".rjust(20, 'ん')
494 assert('UTF8 byte counting') do
496 ret[-6..-1] = "helloó"
497 assert_equal 34, ret.length
501 assert('String#ljust should not change string') do
504 assert_equal "hello", a
507 assert('String#rjust should not change string') do
510 assert_equal "hello", a
513 assert('String#ljust should raise on zero width padding') do
514 assert_raise(ArgumentError) { "foo".ljust(10, '') }
517 assert('String#rjust should raise on zero width padding') do
518 assert_raise(ArgumentError) { "foo".rjust(10, '') }
521 assert('String#upto') do
522 assert_upto %w(a8 a9 b0 b1 b2 b3 b4 b5 b6), "a8", "b6"
523 assert_upto ["9", "10", "11"], "9", "11"
524 assert_upto [], "25", "5"
525 assert_upto ["07", "08", "09", "10", "11"], "07", "11"
526 assert_upto ["9", ":", ";", "<", "=", ">", "?", "@", "A"], "9", "A"
529 assert_upto %w(あ ぃ い ぅ う ぇ え ぉ お), "あ", "お"
535 assert_equal("aa", a.upto("zz") {|s|
536 assert_equal(start, s)
540 assert_equal(676, count)
545 assert_equal("a", a.upto("a") {|s|
546 assert_equal(start, s)
550 assert_equal(1, count)
555 assert_equal("a", a.upto("b", true) {|s|
556 assert_equal(start, s)
560 assert_equal(1, count)
565 assert_equal("0", a.upto("0") {|s|
566 assert_equal(start, s)
570 assert_equal(1, count)
575 assert_equal("0", a.upto("-1") {|s|
576 assert_equal(start, s)
580 assert_equal(0, count)
585 assert_equal("-1", a.upto("-2") {|s|
586 assert_equal(start, s)
590 assert_equal(2, count)
592 assert_raise(TypeError) { "a".upto(:c) {} }
595 assert('String#ord') do
596 got = "hello!".split('').map {|x| x.ord}
597 expect = [104, 101, 108, 108, 111, 33]
602 assert_equal expect, got
605 assert('String#ord(UTF-8)') do
606 got = "こんにちは世界!".split('').map {|x| x.ord}
607 expect = [0x3053,0x3093,0x306b,0x3061,0x306f,0x4e16,0x754c,0x21]
608 assert_equal expect, got
611 assert('String#chr') do
612 assert_equal "a", "abcde".chr
613 assert_equal "h", "hello!".chr
614 assert_equal "", "".chr
617 assert('String#chr(UTF-8)') do
618 assert_equal "こ", "こんにちは世界!".chr
621 assert('String#chars') do
622 expect = ["h", "e", "l", "l", "o", "!"]
623 assert_equal expect, "hello!".chars
625 "hello!".chars do |x|
628 assert_equal "hello!", s
631 assert('String#chars(UTF-8)') do
632 expect = ['こ', 'ん', 'に', 'ち', 'は', '世', '界', '!']
633 assert_equal expect, "こんにちは世界!".chars
635 "こんにちは世界!".chars do |x|
638 assert_equal "こんにちは世界!", s
641 assert('String#each_char') do
643 "hello!".each_char do |x|
646 assert_equal ["h", "e", "l", "l", "o", "!"], chars
649 assert('String#each_char(UTF-8)') do
651 "こんにちは世界!".each_char do |x|
654 assert_equal ["こ", "ん", "に", "ち", "は", "世", "界", "!"], chars
657 assert('String#codepoints') do
658 expect = [104, 101, 108, 108, 111, 33]
659 assert_equal expect, "hello!".codepoints
661 "hello!".codepoints do |x|
664 assert_equal expect, cp
667 assert('String#codepoints(UTF-8)') do
668 expect = [12371, 12435, 12395, 12385, 12399, 19990, 30028, 33]
669 assert_equal expect, "こんにちは世界!".codepoints
671 "こんにちは世界!".codepoints do |x|
674 assert_equal expect, cp
677 assert('String#each_codepoint') do
678 expect = [104, 101, 108, 108, 111, 33]
680 "hello!".each_codepoint do |x|
683 assert_equal expect, cp
686 assert('String#each_codepoint(UTF-8)') do
687 expect = [12371, 12435, 12395, 12385, 12399, 19990, 30028, 33]
689 "こんにちは世界!".each_codepoint do |x|
692 assert_equal expect, cp
695 assert('String#delete_prefix') do
696 assert_equal "llo", "hello".delete_prefix("he")
697 assert_equal "hello", "hello".delete_prefix("llo")
698 assert_equal "llo", "hello".delete_prefix!("he")
699 assert_nil "hello".delete_prefix!("llo")
702 assert('String#delete_suffix') do
703 assert_equal "he", "hello".delete_suffix("llo")
704 assert_equal "hello", "hello".delete_suffix("he")
705 assert_equal "he", "hello".delete_suffix!("llo")
706 assert_nil "hello".delete_suffix!("he")