5 UTF8STRING = ("\343\201\202".size == 1)
7 assert('String#getbyte') do
9 bytes1 = [104, 101, 108, 108, 111]
10 assert_equal bytes1[0], str1.getbyte(0)
11 assert_equal bytes1[-1], str1.getbyte(-1)
12 assert_equal bytes1[6], str1.getbyte(6)
16 assert_equal bytes2[0], str2.getbyte(0)
19 assert('String#setbyte') do
23 assert_equal(h, str1.getbyte(0))
24 assert_equal("Hello", str1)
27 assert('String#byteslice') do
29 assert_equal("e", str1.byteslice(1))
30 assert_equal("o", str1.byteslice(-1))
31 assert_equal("ell", str1.byteslice(1..3))
32 assert_equal("el", str1.byteslice(1...3))
35 assert('String#dump') do
36 assert_equal("\"\\x00\"", "\0".dump)
37 assert_equal("\"foo\"", "foo".dump)
38 assert_nothing_raised { ("\1" * 100).dump } # regress #1210
41 assert('String#strip') do
43 assert_equal("abc", s.strip)
44 assert_equal(" abc ", s)
45 assert_equal("", "".strip)
46 assert_equal("", " \t\r\n\f\v".strip)
47 assert_equal("\0a", "\0a\0".strip)
48 assert_equal("abc", "abc".strip)
49 assert_equal("abc", " abc".strip)
50 assert_equal("abc", "abc ".strip)
53 assert('String#lstrip') do
55 assert_equal("abc ", s.lstrip)
56 assert_equal(" abc ", s)
57 assert_equal("", "".lstrip)
58 assert_equal("", " \t\r\n\f\v".lstrip)
59 assert_equal("\0a\0", "\0a\0".lstrip)
60 assert_equal("abc", "abc".lstrip)
61 assert_equal("abc", " abc".lstrip)
62 assert_equal("abc ", "abc ".lstrip)
65 assert('String#rstrip') do
67 assert_equal(" abc", s.rstrip)
68 assert_equal(" abc ", s)
69 assert_equal("", "".rstrip)
70 assert_equal("", " \t\r\n\f\v".rstrip)
71 assert_equal("\0a", "\0a\0".rstrip)
72 assert_equal("abc", "abc".rstrip)
73 assert_equal(" abc", " abc".rstrip)
74 assert_equal("abc", "abc ".rstrip)
77 assert('String#strip!') do
80 assert_equal("abc", s.strip!)
81 assert_equal("abc", s)
83 assert_equal("abc", t)
86 assert('String#lstrip!') do
89 assert_equal("abc ", s.lstrip!)
90 assert_equal("abc ", s)
92 assert_equal("abc ", t)
95 assert('String#rstrip!') do
98 assert_equal(" abc", s.rstrip!)
99 assert_equal(" abc", s)
100 assert_nil(t.rstrip!)
101 assert_equal(" abc", t)
104 assert('String#swapcase') do
105 assert_equal "hELLO", "Hello".swapcase
106 assert_equal "CyBeR_pUnK11", "cYbEr_PuNk11".swapcase
109 assert('String#swapcase!') do
113 assert_equal s.swapcase, t
116 assert('String#concat') do
117 assert_equal "Hello World!", "Hello " << "World" << 33
118 assert_equal "Hello World!", "Hello ".concat("World").concat(33)
120 assert_raise(TypeError) { "".concat(Object.new) }
123 assert('String#casecmp') do
124 assert_equal 1, "abcdef".casecmp("abcde")
125 assert_equal 0, "aBcDeF".casecmp("abcdef")
126 assert_equal(-1, "abcdef".casecmp("abcdefg"))
127 assert_equal 0, "abcdef".casecmp("ABCDEF")
130 assert('String#count') do
132 assert_equal 0, s.count("")
133 assert_equal 1, s.count("a")
134 assert_equal 2, s.count("ab")
135 assert_equal 9, s.count("^c")
136 assert_equal 8, s.count("a-z")
137 assert_equal 4, s.count("a0-9")
140 assert('String#tr') do
141 assert_equal "ABC", "abc".tr('a-z', 'A-Z')
142 assert_equal "hippo", "hello".tr('el', 'ip')
143 assert_equal "Ruby", "Lisp".tr("Lisp", "Ruby")
144 assert_equal "*e**o", "hello".tr('^aeiou', '*')
145 assert_equal "heo", "hello".tr('l', '')
148 assert('String#tr!') do
149 s = "abcdefghijklmnopqR"
150 assert_equal "ab12222hijklmnopqR", s.tr!("cdefg", "12")
151 assert_equal "ab12222hijklmnopqR", s
154 assert('String#tr_s') do
155 assert_equal "hero", "hello".tr_s('l', 'r')
156 assert_equal "h*o", "hello".tr_s('el', '*')
157 assert_equal "hhxo", "hello".tr_s('el', 'hx')
160 assert('String#tr_s!') do
162 assert_equal "hero", s.tr_s!('l', 'r')
163 assert_equal "hero", s
164 assert_nil s.tr_s!('l', 'r')
167 assert('String#squeeze') do
168 assert_equal "yelow mon", "yellow moon".squeeze
169 assert_equal " now is the", " now is the".squeeze(" ")
170 assert_equal "puters shot balls", "putters shoot balls".squeeze("m-z")
173 assert('String#squeeze!') do
175 assert_equal " now is the", s.squeeze!(" ")
176 assert_equal " now is the", s
179 assert('String#delete') do
180 assert_equal "he", "hello".delete("lo")
181 assert_equal "hll", "hello".delete("aeiou")
182 assert_equal "ll", "hello".delete("^l")
183 assert_equal "ho", "hello".delete("ej-m")
186 assert('String#delete!') do
188 assert_equal "he", s.delete!("lo")
190 assert_nil s.delete!("lz")
193 assert('String#start_with?') do
194 assert_true "hello".start_with?("heaven", "hell")
195 assert_true !"hello".start_with?("heaven", "paradise")
196 assert_true !"h".start_with?("heaven", "hell")
197 assert_raise TypeError do "hello".start_with?(true) end
200 assert('String#end_with?') do
201 assert_true "string".end_with?("ing", "mng")
202 assert_true !"string".end_with?("str", "tri")
203 assert_true !"ng".end_with?("ing", "mng")
204 assert_raise TypeError do "hello".end_with?(true) end
207 assert('String#partition') do
208 assert_equal ["a", "x", "axa"], "axaxa".partition("x")
209 assert_equal ["aaaaa", "", ""], "aaaaa".partition("x")
210 assert_equal ["", "", "aaaaa"], "aaaaa".partition("")
211 assert_equal ["", "a", "aaaa"], "aaaaa".partition("a")
212 assert_equal ["aaaa", "b", ""], "aaaab".partition("b")
213 assert_equal ["", "b", "aaaa"], "baaaa".partition("b")
214 assert_equal ["", "", ""], "".partition("a")
217 assert('String#rpartition') do
218 assert_equal ["axa", "x", "a"], "axaxa".rpartition("x")
219 assert_equal ["", "", "aaaaa"], "aaaaa".rpartition("x")
220 assert_equal ["aaaaa", "", ""], "aaaaa".rpartition("")
221 assert_equal ["aaaa", "a", ""], "aaaaa".rpartition("a")
222 assert_equal ["aaaa", "b", ""], "aaaab".rpartition("b")
223 assert_equal ["", "b", "aaaa"], "baaaa".rpartition("b")
224 assert_equal ["", "", ""], "".rpartition("a")
227 assert('String#hex') do
228 assert_equal 16, "10".hex
229 assert_equal 255, "ff".hex
230 assert_equal 16, "0x10".hex
231 assert_equal (-16), "-0x10".hex
232 assert_equal 0, "xyz".hex
233 assert_equal 16, "10z".hex
234 assert_equal 16, "1_0".hex
235 assert_equal 0, "".hex
238 assert('String#oct') do
239 assert_equal 8, "10".oct
240 assert_equal 7, "7".oct
241 assert_equal 0, "8".oct
242 assert_equal 0, "9".oct
243 assert_equal 0, "xyz".oct
244 assert_equal 8, "10z".oct
245 assert_equal 8, "1_0".oct
246 assert_equal 8, "010".oct
247 assert_equal (-8), "-10".oct
250 assert('String#chr') do
251 assert_equal "a", "abcde".chr
252 # test Fixnum#chr as well
253 assert_equal "a", 97.chr
256 assert('String#lines') do
257 assert_equal ["Hel\n", "lo\n", "World!"], "Hel\nlo\nWorld!".lines
258 assert_equal ["Hel\n", "lo\n", "World!\n"], "Hel\nlo\nWorld!\n".lines
259 assert_equal ["\n", "\n", "\n"], "\n\n\n".lines
260 assert_equal [], "".lines
263 assert('String#clear') do
266 assert_equal("", s.clear)
269 # not embed string and not shared string
272 assert_equal("", s.clear)
278 a = s[10, 90] # create shared string
279 assert_equal("", s.clear) # clear
280 assert_equal("", s) # s is cleared
281 assert_not_equal("", a) # a should not be affected
284 assert('String#slice!') do
287 assert_equal "A", a.slice!(0)
288 assert_equal "AooBar", b
291 assert_equal "r", a.slice!(-1)
292 assert_equal "FooBa", a
295 assert_nil a.slice!(6)
296 assert_nil a.slice!(-7)
297 assert_equal "FooBar", a
300 assert_equal "Foo", a.slice!(0, 3)
301 assert_equal "Bar", a
304 assert_equal "Bar", a.slice!(-3, 3)
305 assert_equal "Foo", a
308 assert_equal "", a.slice!(6, 2)
309 assert_equal "FooBar", a
312 assert_nil a.slice!(-7,10)
313 assert_equal "FooBar", a
316 assert_equal "Foo", a.slice!(0..2)
317 assert_equal "Bar", a
320 assert_equal "Bar", a.slice!(-3..-1)
321 assert_equal "Foo", a
324 assert_equal "", a.slice!(6..2)
325 assert_equal "FooBar", a
328 assert_nil a.slice!(-10..-7)
329 assert_equal "FooBar", a
332 assert_equal "Foo", a.slice!("Foo")
333 assert_equal "Bar", a
336 assert_nil a.slice!("xyzzy")
337 assert_equal "FooBar", a
339 assert_raise(ArgumentError) { "foo".slice! }
342 assert('String#succ') do
343 assert_equal "", "".succ
344 assert_equal "1", "0".succ
345 assert_equal "10", "9".succ
346 assert_equal "01", "00".succ
347 assert_equal "a1", "a0".succ
348 assert_equal "A1", "A0".succ
349 assert_equal "10", "09".succ
350 assert_equal "b0", "a9".succ
351 assert_equal "B0", "A9".succ
353 assert_equal "b", "a".succ
354 assert_equal "aa", "z".succ
355 assert_equal "ab", "aa".succ
356 assert_equal "Ab", "Aa".succ
357 assert_equal "0b", "0a".succ
358 assert_equal "ba", "az".succ
359 assert_equal "Ba", "Az".succ
360 assert_equal "1a", "0z".succ
362 assert_equal "B", "A".succ
363 assert_equal "AA", "Z".succ
364 assert_equal "AB", "AA".succ
365 assert_equal "aB", "aA".succ
366 assert_equal "0B", "0A".succ
367 assert_equal "BA", "AZ".succ
368 assert_equal "bA", "aZ".succ
369 assert_equal "1A", "0Z".succ
371 assert_equal ".", "-".succ
372 assert_equal "\x01\x00", "\xff".succ
373 assert_equal "-b", "-a".succ
374 assert_equal "-aa", "-z".succ
375 assert_equal "-a-b-", "-a-a-".succ
376 assert_equal "-b-", "-a-".succ
377 assert_equal "-aa-", "-z-".succ
378 assert_equal "あb", "あa".succ
379 assert_equal "あba", "あaz".succ
437 assert_equal "\x01\x00", a
441 assert_equal "-aa", a
443 assert_equal "-a-b-", a
445 assert_equal "-b-", a
447 assert_equal "-aa-", a
451 assert_equal "あba", a
454 assert('String#next') do
455 assert_equal "01", "00".next
461 assert('String#insert') do
462 assert_equal "Xabcd", "abcd".insert(0, 'X')
463 assert_equal "abcXd", "abcd".insert(3, 'X')
464 assert_equal "abcdX", "abcd".insert(4, 'X')
465 assert_equal "abXcd", "abcd".insert(-3, 'X')
466 assert_equal "abcdX", "abcd".insert(-1, 'X')
467 assert_raise(IndexError) { "abcd".insert(5, 'X') }
468 assert_raise(IndexError) { "abcd".insert(-6, 'X') }
472 assert_equal "Xabcd", a
475 assert('String#prepend') do
477 assert_equal "hello world", a.prepend("hello ")
478 assert_equal "hello world", a
481 assert('String#ljust') do
482 assert_equal "hello", "hello".ljust(4)
483 assert_equal "hello ", "hello".ljust(20)
484 assert_equal 20, "hello".ljust(20).length
485 assert_equal "hello123412341234123", "hello".ljust(20, '1234')
486 assert_equal "hello", "hello".ljust(-3)
489 assert('String#rjust') do
490 assert_equal "hello", "hello".rjust(4)
491 assert_equal " hello", "hello".rjust(20)
492 assert_equal 20, "hello".rjust(20).length
493 assert_equal "123412341234123hello", "hello".rjust(20, '1234')
494 assert_equal "hello", "hello".rjust(-3)
498 assert('String#ljust with UTF8') do
499 assert_equal "helloん ", "helloん".ljust(20)
500 assert_equal "helloó ", "helloó".ljust(34)
501 assert_equal 34, "helloó".ljust(34).length
502 assert_equal "helloんんんんんんんんんんんんんん", "hello".ljust(19, 'ん')
503 assert_equal "helloんんんんんんんんんんんんんんん", "hello".ljust(20, 'ん')
506 assert('String#rjust with UTF8') do
507 assert_equal " helloん", "helloん".rjust(20)
508 assert_equal " helloó", "helloó".rjust(34)
509 # assert_equal 34, "helloó".rjust(34).length
510 assert_equal "んんんんんんんんんんんんんんhello", "hello".rjust(19, 'ん')
511 assert_equal "んんんんんんんんんんんんんんんhello", "hello".rjust(20, 'ん')
514 assert('UTF8 byte counting') do
516 ret[-6..-1] = "helloó"
517 assert_equal 34, ret.length
521 assert('String#ljust should not change string') do
524 assert_equal "hello", a
527 assert('String#rjust should not change string') do
530 assert_equal "hello", a
533 assert('String#ljust should raise on zero width padding') do
534 assert_raise(ArgumentError) { "foo".ljust(10, '') }
537 assert('String#rjust should raise on zero width padding') do
538 assert_raise(ArgumentError) { "foo".rjust(10, '') }
541 assert('String#upto') do
542 assert_equal %w(a8 a9 b0 b1 b2 b3 b4 b5 b6), "a8".upto("b6").to_a
543 assert_equal ["9", "10", "11"], "9".upto("11").to_a
544 assert_equal [], "25".upto("5").to_a
545 assert_equal ["07", "08", "09", "10", "11"], "07".upto("11").to_a
548 assert_equal ["あ", "ぃ", "い", "ぅ", "う", "ぇ", "え", "ぉ", "お"], "あ".upto("お").to_a
551 assert_equal ["9", ":", ";", "<", "=", ">", "?", "@", "A"], "9".upto("A").to_a
556 assert_equal("aa", a.upto("zz") {|s|
557 assert_equal(start, s)
561 assert_equal(676, count)
566 assert_equal("a", a.upto("a") {|s|
567 assert_equal(start, s)
571 assert_equal(1, count)
576 assert_equal("a", a.upto("b", true) {|s|
577 assert_equal(start, s)
581 assert_equal(1, count)
586 assert_equal("0", a.upto("0") {|s|
587 assert_equal(start, s)
591 assert_equal(1, count)
596 assert_equal("0", a.upto("-1") {|s|
597 assert_equal(start, s)
601 assert_equal(0, count)
606 assert_equal("-1", a.upto("-2") {|s|
607 assert_equal(start, s)
611 assert_equal(2, count)
613 assert_raise(TypeError) { "a".upto(:c) {} }
616 assert('String#ord') do
617 got = "hello!".split('').map {|x| x.ord}
618 expect = [104, 101, 108, 108, 111, 33]
623 assert_equal expect, got
626 assert('String#ord(UTF-8)') do
627 got = "こんにちは世界!".split('').map {|x| x.ord}
628 expect = [0x3053,0x3093,0x306b,0x3061,0x306f,0x4e16,0x754c,0x21]
629 assert_equal expect, got
632 assert('String#chr') do
633 assert_equal "h", "hello!".chr
635 assert('String#chr(UTF-8)') do
636 assert_equal "こ", "こんにちは世界!".chr
639 assert('String#chars') do
640 expect = ["h", "e", "l", "l", "o", "!"]
641 assert_equal expect, "hello!".chars
643 "hello!".chars do |x|
646 assert_equal "hello!", s
649 assert('String#chars(UTF-8)') do
650 expect = ['こ', 'ん', 'に', 'ち', 'は', '世', '界', '!']
651 assert_equal expect, "こんにちは世界!".chars
653 "こんにちは世界!".chars do |x|
656 assert_equal "こんにちは世界!", s
659 assert('String#each_char') do
661 "hello!".each_char do |x|
664 assert_equal "hello!", s
667 assert('String#each_char(UTF-8)') do
669 "こんにちは世界!".each_char do |x|
672 assert_equal "こんにちは世界!", s
675 assert('String#codepoints') do
676 expect = [104, 101, 108, 108, 111, 33]
677 assert_equal expect, "hello!".codepoints
679 "hello!".codepoints do |x|
682 assert_equal expect, cp
685 assert('String#codepoints(UTF-8)') do
686 expect = [12371, 12435, 12395, 12385, 12399, 19990, 30028, 33]
687 assert_equal expect, "こんにちは世界!".codepoints
689 "こんにちは世界!".codepoints do |x|
692 assert_equal expect, cp
695 assert('String#each_codepoint') do
696 expect = [104, 101, 108, 108, 111, 33]
698 "hello!".each_codepoint do |x|
701 assert_equal expect, cp
704 assert('String#each_codepoint(UTF-8)') do
705 expect = [12371, 12435, 12395, 12385, 12399, 19990, 30028, 33]
707 "こんにちは世界!".each_codepoint do |x|
710 assert_equal expect, cp
713 assert('String#delete_prefix') do
714 assert_equal "llo", "hello".delete_prefix("he")
715 assert_equal "hello", "hello".delete_prefix("llo")
716 assert_equal "llo", "hello".delete_prefix!("he")
717 assert_nil "hello".delete_prefix!("llo")
720 assert('String#delete_suffix') do
721 assert_equal "he", "hello".delete_suffix("llo")
722 assert_equal "hello", "hello".delete_suffix("he")
723 assert_equal "he", "hello".delete_suffix!("llo")
724 assert_nil "hello".delete_suffix!("he")