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/test/ruby/test_sprintf.rb

http://github.com/ruby/ruby
Ruby | 546 lines | 443 code | 92 blank | 11 comment | 3 complexity | edf6fc63c7a4d04fb01459c970539478 MD5 | raw file
Possible License(s): GPL-2.0, BSD-3-Clause, AGPL-3.0 
    

  1. # frozen_string_literal: false
    2. 

  2. require 'test/unit'
    3. 

  3. 

  4. class TestSprintf < Test::Unit::TestCase
    5. 

  5.   def test_positional
    6. 

  6.     assert_equal("     00001", sprintf("%*1$.*2$3$d", 10, 5, 1))
    7. 

  7.   end
    8. 

  8. 

  9.   def test_binary
    10. 

  10.     assert_equal("0", sprintf("%b", 0))
    11. 

  11.     assert_equal("1", sprintf("%b", 1))
    12. 

  12.     assert_equal("10", sprintf("%b", 2))
    13. 

  13.     assert_equal("..1", sprintf("%b", -1))
    14. 

  14. 

  15.     assert_equal("   0", sprintf("%4b", 0))
    16. 

  16.     assert_equal("   1", sprintf("%4b", 1))
    17. 

  17.     assert_equal("  10", sprintf("%4b", 2))
    18. 

  18.     assert_equal(" ..1", sprintf("%4b", -1))
    19. 

  19. 

  20.     assert_equal("0000", sprintf("%04b", 0))
    21. 

  21.     assert_equal("0001", sprintf("%04b", 1))
    22. 

  22.     assert_equal("0010", sprintf("%04b", 2))
    23. 

  23.     assert_equal("..11", sprintf("%04b", -1))
    24. 

  24. 

  25.     assert_equal("0000", sprintf("%.4b", 0))
    26. 

  26.     assert_equal("0001", sprintf("%.4b", 1))
    27. 

  27.     assert_equal("0010", sprintf("%.4b", 2))
    28. 

  28.     assert_equal("..11", sprintf("%.4b", -1))
    29. 

  29. 

  30.     assert_equal("  0000", sprintf("%6.4b", 0))
    31. 

  31.     assert_equal("  0001", sprintf("%6.4b", 1))
    32. 

  32.     assert_equal("  0010", sprintf("%6.4b", 2))
    33. 

  33.     assert_equal("  ..11", sprintf("%6.4b", -1))
    34. 

  34. 

  35.     assert_equal("   0", sprintf("%#4b", 0))
    36. 

  36.     assert_equal(" 0b1", sprintf("%#4b", 1))
    37. 

  37.     assert_equal("0b10", sprintf("%#4b", 2))
    38. 

  38.     assert_equal("0b..1", sprintf("%#4b", -1))
    39. 

  39. 

  40.     assert_equal("0000", sprintf("%#04b", 0))
    41. 

  41.     assert_equal("0b01", sprintf("%#04b", 1))
    42. 

  42.     assert_equal("0b10", sprintf("%#04b", 2))
    43. 

  43.     assert_equal("0b..1", sprintf("%#04b", -1))
    44. 

  44. 

  45.     assert_equal("0000", sprintf("%#.4b", 0))
    46. 

  46.     assert_equal("0b0001", sprintf("%#.4b", 1))
    47. 

  47.     assert_equal("0b0010", sprintf("%#.4b", 2))
    48. 

  48.     assert_equal("0b..11", sprintf("%#.4b", -1))
    49. 

  49. 

  50.     assert_equal("  0000", sprintf("%#6.4b", 0))
    51. 

  51.     assert_equal("0b0001", sprintf("%#6.4b", 1))
    52. 

  52.     assert_equal("0b0010", sprintf("%#6.4b", 2))
    53. 

  53.     assert_equal("0b..11", sprintf("%#6.4b", -1))
    54. 

  54. 

  55.     assert_equal("+0", sprintf("%+b", 0))
    56. 

  56.     assert_equal("+1", sprintf("%+b", 1))
    57. 

  57.     assert_equal("+10", sprintf("%+b", 2))
    58. 

  58.     assert_equal("-1", sprintf("%+b", -1))
    59. 

  59. 

  60.     assert_equal("  +0", sprintf("%+4b", 0))
    61. 

  61.     assert_equal("  +1", sprintf("%+4b", 1))
    62. 

  62.     assert_equal(" +10", sprintf("%+4b", 2))
    63. 

  63.     assert_equal("  -1", sprintf("%+4b", -1))
    64. 

  64. 

  65.     assert_equal("+000", sprintf("%+04b", 0))
    66. 

  66.     assert_equal("+001", sprintf("%+04b", 1))
    67. 

  67.     assert_equal("+010", sprintf("%+04b", 2))
    68. 

  68.     assert_equal("-001", sprintf("%+04b", -1))
    69. 

  69. 

  70.     assert_equal("+0000", sprintf("%+.4b", 0))
    71. 

  71.     assert_equal("+0001", sprintf("%+.4b", 1))
    72. 

  72.     assert_equal("+0010", sprintf("%+.4b", 2))
    73. 

  73.     assert_equal("-0001", sprintf("%+.4b", -1))
    74. 

  74. 

  75.     assert_equal(" +0000", sprintf("%+6.4b", 0))
    76. 

  76.     assert_equal(" +0001", sprintf("%+6.4b", 1))
    77. 

  77.     assert_equal(" +0010", sprintf("%+6.4b", 2))
    78. 

  78.     assert_equal(" -0001", sprintf("%+6.4b", -1))
    79. 

  79.   end
    80. 

  80. 

  81.   def test_nan
    82. 

  82.     nan = 0.0 / 0.0
    83. 

  83.     assert_equal("NaN", sprintf("%f", nan))
    84. 

  84.     assert_equal("NaN", sprintf("%-f", nan))
    85. 

  85.     assert_equal("+NaN", sprintf("%+f", nan))
    86. 

  86. 

  87.     assert_equal("NaN", sprintf("%3f", nan))
    88. 

  88.     assert_equal("NaN", sprintf("%-3f", nan))
    89. 

  89.     assert_equal("+NaN", sprintf("%+3f", nan))
    90. 

  90. 

  91.     assert_equal(" NaN", sprintf("% 3f", nan))
    92. 

  92.     assert_equal(" NaN", sprintf("%- 3f", nan))
    93. 

  93.     assert_equal("+NaN", sprintf("%+ 3f", nan))
    94. 

  94. 

  95.     assert_equal(" NaN", sprintf("% 03f", nan))
    96. 

  96.     assert_equal(" NaN", sprintf("%- 03f", nan))
    97. 

  97.     assert_equal("+NaN", sprintf("%+ 03f", nan))
    98. 

  98. 

  99.     assert_equal("     NaN", sprintf("%8f", nan))
    100. 

  100.     assert_equal("NaN     ", sprintf("%-8f", nan))
    101. 

  101.     assert_equal("    +NaN", sprintf("%+8f", nan))
    102. 

  102. 

  103.     assert_equal("     NaN", sprintf("%08f", nan))
    104. 

  104.     assert_equal("NaN     ", sprintf("%-08f", nan))
    105. 

  105.     assert_equal("    +NaN", sprintf("%+08f", nan))
    106. 

  106. 

  107.     assert_equal("     NaN", sprintf("% 8f", nan))
    108. 

  108.     assert_equal(" NaN    ", sprintf("%- 8f", nan))
    109. 

  109.     assert_equal("    +NaN", sprintf("%+ 8f", nan))
    110. 

  110. 

  111.     assert_equal("     NaN", sprintf("% 08f", nan))
    112. 

  112.     assert_equal(" NaN    ", sprintf("%- 08f", nan))
    113. 

  113.     assert_equal("    +NaN", sprintf("%+ 08f", nan))
    114. 

  114.   end
    115. 

  115. 

  116.   def test_inf
    117. 

  117.     inf = 1.0 / 0.0
    118. 

  118.     assert_equal("Inf", sprintf("%f", inf))
    119. 

  119.     assert_equal("Inf", sprintf("%-f", inf))
    120. 

  120.     assert_equal("+Inf", sprintf("%+f", inf))
    121. 

  121. 

  122.     assert_equal(" Inf", sprintf("% f", inf))
    123. 

  123.     assert_equal(" Inf", sprintf("%- f", inf))
    124. 

  124.     assert_equal("+Inf", sprintf("%+ f", inf))
    125. 

  125. 

  126.     assert_equal(" Inf", sprintf("% 0f", inf))
    127. 

  127.     assert_equal(" Inf", sprintf("%- 0f", inf))
    128. 

  128.     assert_equal("+Inf", sprintf("%+ 0f", inf))
    129. 

  129. 

  130.     assert_equal("Inf", sprintf("%3f", inf))
    131. 

  131.     assert_equal("Inf", sprintf("%-3f", inf))
    132. 

  132.     assert_equal("+Inf", sprintf("%+3f", inf))
    133. 

  133. 

  134.     assert_equal(" Inf", sprintf("% 3f", inf))
    135. 

  135.     assert_equal(" Inf", sprintf("%- 3f", inf))
    136. 

  136.     assert_equal("+Inf", sprintf("%+ 3f", inf))
    137. 

  137. 

  138.     assert_equal(" Inf", sprintf("% 03f", inf))
    139. 

  139.     assert_equal(" Inf", sprintf("%- 03f", inf))
    140. 

  140.     assert_equal("+Inf", sprintf("%+ 03f", inf))
    141. 

  141. 

  142.     assert_equal("     Inf", sprintf("%8f", inf))
    143. 

  143.     assert_equal("Inf     ", sprintf("%-8f", inf))
    144. 

  144.     assert_equal("    +Inf", sprintf("%+8f", inf))
    145. 

  145. 

  146.     assert_equal("     Inf", sprintf("%08f", inf))
    147. 

  147.     assert_equal("Inf     ", sprintf("%-08f", inf))
    148. 

  148.     assert_equal("    +Inf", sprintf("%+08f", inf))
    149. 

  149. 

  150.     assert_equal("     Inf", sprintf("% 8f", inf))
    151. 

  151.     assert_equal(" Inf    ", sprintf("%- 8f", inf))
    152. 

  152.     assert_equal("    +Inf", sprintf("%+ 8f", inf))
    153. 

  153. 

  154.     assert_equal("     Inf", sprintf("% 08f", inf))
    155. 

  155.     assert_equal(" Inf    ", sprintf("%- 08f", inf))
    156. 

  156.     assert_equal("    +Inf", sprintf("%+ 08f", inf))
    157. 

  157. 

  158.     assert_equal("-Inf", sprintf("%f", -inf))
    159. 

  159.     assert_equal("-Inf", sprintf("%-f", -inf))
    160. 

  160.     assert_equal("-Inf", sprintf("%+f", -inf))
    161. 

  161. 

  162.     assert_equal("-Inf", sprintf("% f", -inf))
    163. 

  163.     assert_equal("-Inf", sprintf("%- f", -inf))
    164. 

  164.     assert_equal("-Inf", sprintf("%+ f", -inf))
    165. 

  165. 

  166.     assert_equal("-Inf", sprintf("% 0f", -inf))
    167. 

  167.     assert_equal("-Inf", sprintf("%- 0f", -inf))
    168. 

  168.     assert_equal("-Inf", sprintf("%+ 0f", -inf))
    169. 

  169. 

  170.     assert_equal("-Inf", sprintf("%4f", -inf))
    171. 

  171.     assert_equal("-Inf", sprintf("%-4f", -inf))
    172. 

  172.     assert_equal("-Inf", sprintf("%+4f", -inf))
    173. 

  173. 

  174.     assert_equal("-Inf", sprintf("% 4f", -inf))
    175. 

  175.     assert_equal("-Inf", sprintf("%- 4f", -inf))
    176. 

  176.     assert_equal("-Inf", sprintf("%+ 4f", -inf))
    177. 

  177. 

  178.     assert_equal("-Inf", sprintf("% 04f", -inf))
    179. 

  179.     assert_equal("-Inf", sprintf("%- 04f", -inf))
    180. 

  180.     assert_equal("-Inf", sprintf("%+ 04f", -inf))
    181. 

  181. 

  182.     assert_equal("    -Inf", sprintf("%8f", -inf))
    183. 

  183.     assert_equal("-Inf    ", sprintf("%-8f", -inf))
    184. 

  184.     assert_equal("    -Inf", sprintf("%+8f", -inf))
    185. 

  185. 

  186.     assert_equal("    -Inf", sprintf("%08f", -inf))
    187. 

  187.     assert_equal("-Inf    ", sprintf("%-08f", -inf))
    188. 

  188.     assert_equal("    -Inf", sprintf("%+08f", -inf))
    189. 

  189. 

  190.     assert_equal("    -Inf", sprintf("% 8f", -inf))
    191. 

  191.     assert_equal("-Inf    ", sprintf("%- 8f", -inf))
    192. 

  192.     assert_equal("    -Inf", sprintf("%+ 8f", -inf))
    193. 

  193. 

  194.     assert_equal("    -Inf", sprintf("% 08f", -inf))
    195. 

  195.     assert_equal("-Inf    ", sprintf("%- 08f", -inf))
    196. 

  196.     assert_equal("    -Inf", sprintf("%+ 08f", -inf))
    197. 

  197.     assert_equal('..f00000000',
    198. 

  198.       sprintf("%x", -2**32), '[ruby-dev:32351]')
    199. 

  199.     assert_equal("..101111111111111111111111111111111",
    200. 

  200.       sprintf("%b", -2147483649), '[ruby-dev:32365]')
    201. 

  201.     assert_equal(" Inf", sprintf("% e", inf), '[ruby-dev:34002]')
    202. 

  202.   end
    203. 

  203. 

  204.   def test_bignum
    205. 

  205.     assert_match(/\A10{120}\.0+\z/, sprintf("%f", 100**60))
    206. 

  206.     assert_match(/\A10{180}\.0+\z/, sprintf("%f", 1000**60))
    207. 

  207.   end
    208. 

  208. 

  209.   def test_rational
    210. 

  210.     assert_match(/\A0\.10+\z/, sprintf("%.60f", 0.1r))
    211. 

  211.     assert_match(/\A0\.010+\z/, sprintf("%.60f", 0.01r))
    212. 

  212.     assert_match(/\A0\.0010+\z/, sprintf("%.60f", 0.001r))
    213. 

  213.     assert_match(/\A0\.3+\z/, sprintf("%.60f", 1/3r))
    214. 

  214.     assert_match(/\A1\.20+\z/, sprintf("%.60f", 1.2r))
    215. 

  215. 

  216.     ["", *"0".."9"].each do |len|
    217. 

  217.       ["", *".0"..".9"].each do |prec|
    218. 

  218.         ['', '+', '-', ' ', '0', '+0', '-0', ' 0', '+ ', '- ', '+ 0', '- 0'].each do |flags|
    219. 

  219.           fmt = "%#{flags}#{len}#{prec}f"
    220. 

  220.           [0, 0.1, 0.01, 0.001, 1.001, 100.0, 100.001, 10000000000.0, 0.00000000001, 1/3r, 2/3r, 1.2r, 10r].each do |num|
    221. 

  221.             assert_equal(sprintf(fmt, num.to_f), sprintf(fmt, num.to_r), "sprintf(#{fmt.inspect}, #{num.inspect}.to_r)")
    222. 

  222.             assert_equal(sprintf(fmt, -num.to_f), sprintf(fmt, -num.to_r), "sprintf(#{fmt.inspect}, #{(-num).inspect}.to_r)") if num > 0
    223. 

  223.           end
    224. 

  224.         end
    225. 

  225.       end
    226. 

  226.     end
    227. 

  227. 

  228.     bug11766 = '[ruby-core:71806] [Bug #11766]'
    229. 

  229.     assert_equal("x"*10+"     1.0", sprintf("x"*10+"%8.1f", 1r), bug11766)
    230. 

  230.   end
    231. 

  231. 

  232.   def test_rational_precision
    233. 

  233.     assert_match(/\A0\.\d{600}\z/, sprintf("%.600f", 600**~60))
    234. 

  234.   end
    235. 

  235. 

  236.   def test_hash
    237. 

  237.     options = {:capture=>/\d+/}
    238. 

  238.     assert_equal("with options {:capture=>/\\d+/}", sprintf("with options %p" % options))
    239. 

  239.   end
    240. 

  240. 

  241.   def test_inspect
    242. 

  242.     obj = Object.new
    243. 

  243.     def obj.inspect; "TEST"; end
    244. 

  244.     assert_equal("<TEST>", sprintf("<%p>", obj))
    245. 

  245.   end
    246. 

  246. 

  247.   def test_invalid
    248. 

  248.     # Star precision before star width:
    249. 

  249.     assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%.**d", 5, 10, 1)}
    250. 

  250. 

  251.     # Precision before flags and width:
    252. 

  252.     assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%.5+05d", 5)}
    253. 

  253.     assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%.5 5d", 5)}
    254. 

  254. 

  255.     # Overriding a star width with a numeric one:
    256. 

  256.     assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%*1s", 5, 1)}
    257. 

  257. 

  258.     # Width before flags:
    259. 

  259.     assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%5+0d", 1)}
    260. 

  260.     assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%5 0d", 1)}
    261. 

  261. 

  262.     # Specifying width multiple times:
    263. 

  263.     assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%50+30+20+10+5d", 5)}
    264. 

  264.     assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%50 30 20 10 5d", 5)}
    265. 

  265. 

  266.     # Specifying the precision multiple times with negative star arguments:
    267. 

  267.     assert_raise(ArgumentError, "[ruby-core:11570]") {sprintf("%.*.*.*.*f", -1, -1, -1, 5, 1)}
    268. 

  268. 

  269.     # Null bytes after percent signs are removed:
    270. 

  270.     assert_equal("%\0x hello", sprintf("%\0x hello"), "[ruby-core:11571]")
    271. 

  271. 

  272.     assert_raise(ArgumentError, "[ruby-core:11573]") {sprintf("%.25555555555555555555555555555555555555s", "hello")}
    273. 

  273. 

  274.     assert_raise(ArgumentError) { sprintf("%\1", 1) }
    275. 

  275.     assert_raise(ArgumentError) { sprintf("%!", 1) }
    276. 

  276.     assert_raise(ArgumentError) { sprintf("%1$1$d", 1) }
    277. 

  277.     assert_raise(ArgumentError) { sprintf("%0%") }
    278. 

  278. 

  279.     assert_raise_with_message(ArgumentError, /unnumbered\(1\) mixed with numbered/) { sprintf("%1$*d", 3) }
    280. 

  280.     assert_raise_with_message(ArgumentError, /unnumbered\(1\) mixed with numbered/) { sprintf("%1$.*d", 3) }
    281. 

  281. 

  282.     verbose, $VERBOSE = $VERBOSE, nil
    283. 

  283.     assert_nothing_raised { sprintf("", 1) }
    284. 

  284.   ensure
    285. 

  285.     $VERBOSE = verbose
    286. 

  286.   end
    287. 

  287. 

  288.   def test_float
    289. 

  289.     assert_equal("36893488147419111424",
    290. 

  290.                  sprintf("%20.0f", 36893488147419107329.0))
    291. 

  291.     assert_equal(" Inf", sprintf("% 0e", 1.0/0.0), "moved from btest/knownbug")
    292. 

  292.     assert_equal("       -0.", sprintf("%#10.0f", -0.5), "[ruby-dev:42552]")
    293. 

  293.     # out of spec
    294. 

  294.     #assert_equal("0x1p+2",   sprintf('%.0a', Float('0x1.fp+1')),   "[ruby-dev:42551]")
    295. 

  295.     #assert_equal("-0x1.0p+2", sprintf('%.1a', Float('-0x1.ffp+1')), "[ruby-dev:42551]")
    296. 

  296.   end
    297. 

  297. 

  298.   def test_float_hex
    299. 

  299.     assert_equal("-0x0p+0", sprintf("%a", -0.0))
    300. 

  300.     assert_equal("0x0p+0", sprintf("%a", 0.0))
    301. 

  301.     assert_equal("0x1p-1", sprintf("%a", 0.5))
    302. 

  302.     assert_equal("0x1p+0", sprintf("%a", 1.0))
    303. 

  303.     assert_equal("0x1p+1", sprintf("%a", 2.0))
    304. 

  304.     assert_equal("0x1p+10", sprintf("%a", 1024))
    305. 

  305.     assert_equal("0x1.23456p+789", sprintf("%a", 3.704450999893983e+237))
    306. 

  306.     assert_equal("0x1p-1074", sprintf("%a", 4.9e-324))
    307. 

  307.     assert_equal("Inf", sprintf("%e", Float::INFINITY))
    308. 

  308.     assert_equal("Inf", sprintf("%E", Float::INFINITY))
    309. 

  309.     assert_equal("NaN", sprintf("%e", Float::NAN))
    310. 

  310.     assert_equal("NaN", sprintf("%E", Float::NAN))
    311. 

  311. 

  312.     assert_equal("   -0x1p+0", sprintf("%10a", -1))
    313. 

  313.     assert_equal(" -0x1.8p+0", sprintf("%10a", -1.5))
    314. 

  314.     assert_equal(" -0x1.4p+0", sprintf("%10a", -1.25))
    315. 

  315.     assert_equal(" -0x1.2p+0", sprintf("%10a", -1.125))
    316. 

  316.     assert_equal(" -0x1.1p+0", sprintf("%10a", -1.0625))
    317. 

  317.     assert_equal("-0x1.08p+0", sprintf("%10a", -1.03125))
    318. 

  318. 

  319.     bug3962 = '[ruby-core:32841]'
    320. 

  320.     assert_equal("-0x0001p+0", sprintf("%010a", -1), bug3962)
    321. 

  321.     assert_equal("-0x01.8p+0", sprintf("%010a", -1.5), bug3962)
    322. 

  322.     assert_equal("-0x01.4p+0", sprintf("%010a", -1.25), bug3962)
    323. 

  323.     assert_equal("-0x01.2p+0", sprintf("%010a", -1.125), bug3962)
    324. 

  324.     assert_equal("-0x01.1p+0", sprintf("%010a", -1.0625), bug3962)
    325. 

  325.     assert_equal("-0x1.08p+0", sprintf("%010a", -1.03125), bug3962)
    326. 

  326. 

  327.     bug3964 = '[ruby-core:32848]'
    328. 

  328.     assert_equal("0x000000000000000p+0", sprintf("%020a",  0), bug3964)
    329. 

  329.     assert_equal("0x000000000000001p+0", sprintf("%020a", 1), bug3964)
    330. 

  330.     assert_equal("-0x00000000000001p+0", sprintf("%020a", -1), bug3964)
    331. 

  331.     assert_equal("0x00000000000000.p+0", sprintf("%#020a",  0), bug3964)
    332. 

  332. 

  333.     bug3965 = '[ruby-dev:42431]'
    334. 

  334.     assert_equal("0x1.p+0", sprintf("%#.0a",  1), bug3965)
    335. 

  335.     assert_equal("0x00000000000000.p+0", sprintf("%#020a",  0), bug3965)
    336. 

  336.     assert_equal("0x0000.0000000000p+0", sprintf("%#020.10a",  0), bug3965)
    337. 

  337. 

  338.     bug3979 = '[ruby-dev:42453]'
    339. 

  339.     assert_equal("          0x0.000p+0", sprintf("%20.3a",  0), bug3979)
    340. 

  340.     assert_equal("          0x1.000p+0", sprintf("%20.3a",  1), bug3979)
    341. 

  341.   end
    342. 

  342. 

  343.   def test_float_prec
    344. 

  344.     assert_equal("5.00", sprintf("%.2f",5.005))
    345. 

  345.     assert_equal("5.02", sprintf("%.2f",5.015))
    346. 

  346.     assert_equal("5.02", sprintf("%.2f",5.025))
    347. 

  347.     assert_equal("5.04", sprintf("%.2f",5.035))
    348. 

  348.     bug12889 = '[ruby-core:77864] [Bug #12889]'
    349. 

  349.     assert_equal("1234567892", sprintf("%.0f", 1234567891.99999))
    350. 

  350.     assert_equal("1234567892", sprintf("%.0f", 1234567892.49999))
    351. 

  351.     assert_equal("1234567892", sprintf("%.0f", 1234567892.50000))
    352. 

  352.     assert_equal("1234567894", sprintf("%.0f", 1234567893.50000))
    353. 

  353.     assert_equal("1234567892", sprintf("%.0f", 1234567892.00000), bug12889)
    354. 

  354.   end
    355. 

  355. 

  356.   BSIZ = 120
    357. 

  357. 

  358.   def test_skip
    359. 

  359.     assert_equal(" " * BSIZ + "1", sprintf(" " * BSIZ + "%d", 1))
    360. 

  360.   end
    361. 

  361. 

  362.   def test_char
    363. 

  363.     assert_equal("a", sprintf("%c", 97))
    364. 

  364.     assert_equal("a", sprintf("%c", ?a))
    365. 

  365.     assert_raise(ArgumentError) { sprintf("%c", sprintf("%c%c", ?a, ?a)) }
    366. 

  366.     assert_equal(" " * (BSIZ - 1) + "a", sprintf(" " * (BSIZ - 1) + "%c", ?a))
    367. 

  367.     assert_equal(" " * (BSIZ - 1) + "a", sprintf(" " * (BSIZ - 1) + "%-1c", ?a))
    368. 

  368.     assert_equal(" " * BSIZ + "a", sprintf("%#{ BSIZ + 1 }c", ?a))
    369. 

  369.     assert_equal("a" + " " * BSIZ, sprintf("%-#{ BSIZ + 1 }c", ?a))
    370. 

  370.   end
    371. 

  371. 

  372.   def test_string
    373. 

  373.     assert_equal("foo", sprintf("%s", "foo"))
    374. 

  374.     assert_equal("fo", sprintf("%.2s", "foo"))
    375. 

  375.     assert_equal(" " * BSIZ, sprintf("%s", " " * BSIZ))
    376. 

  376.     assert_equal(" " * (BSIZ - 1) + "foo", sprintf("%#{ BSIZ - 1 + 3 }s", "foo"))
    377. 

  377.     assert_equal(" " * BSIZ + "foo", sprintf("%#{ BSIZ + 3 }s", "foo"))
    378. 

  378.     assert_equal("foo" + " " * BSIZ, sprintf("%-#{ BSIZ + 3 }s", "foo"))
    379. 

  379.   end
    380. 

  380. 

  381.   def test_integer
    382. 

  382.     assert_equal("01", sprintf("%#o", 1))
    383. 

  383.     assert_equal("0x1", sprintf("%#x", 1))
    384. 

  384.     assert_equal("0X1", sprintf("%#X", 1))
    385. 

  385.     assert_equal("0b1", sprintf("%#b", 1))
    386. 

  386.     assert_equal("0B1", sprintf("%#B", 1))
    387. 

  387.     assert_equal("1", sprintf("%d", 1.0))
    388. 

  388.     assert_equal("4294967296", sprintf("%d", (2**32).to_f))
    389. 

  389.     assert_equal("-2147483648", sprintf("%d", -(2**31).to_f))
    390. 

  390.     assert_equal("18446744073709551616", sprintf("%d", (2**64).to_f))
    391. 

  391.     assert_equal("-9223372036854775808", sprintf("%d", -(2**63).to_f))
    392. 

  392.     assert_equal("1", sprintf("%d", "1"))
    393. 

  393.     o = Object.new; def o.to_int; 1; end
    394. 

  394.     assert_equal("1", sprintf("%d", o))
    395. 

  395.     assert_equal("+1", sprintf("%+d", 1))
    396. 

  396.     assert_equal(" 1", sprintf("% d", 1))
    397. 

  397.     assert_equal("..f", sprintf("%x", -1))
    398. 

  398.     assert_equal("..7", sprintf("%o", -1))
    399. 

  399.     one = (2**32).coerce(1).first
    400. 

  400.     mone = (2**32).coerce(-1).first
    401. 

  401.     assert_equal("+1", sprintf("%+d", one))
    402. 

  402.     assert_equal(" 1", sprintf("% d", one))
    403. 

  403.     assert_equal("..f", sprintf("%x", mone))
    404. 

  404.     assert_equal("..7", sprintf("%o", mone))
    405. 

  405.     assert_equal(" " * BSIZ + "1", sprintf("%#{ BSIZ + 1 }d", one))
    406. 

  406.     assert_equal(" " * (BSIZ - 1) + "1", sprintf(" " * (BSIZ - 1) + "%d", 1))
    407. 

  407.   end
    408. 

  408. 

  409.   def test_float2
    410. 

  410.     inf = 1.0 / 0.0
    411. 

  411.     assert_equal(" " * BSIZ + "Inf", sprintf("%#{ BSIZ + 3 }.1f", inf))
    412. 

  412.     assert_equal("+Inf", sprintf("%+-f", inf))
    413. 

  413.     assert_equal(" " * BSIZ + "1.0", sprintf("%#{ BSIZ + 3 }.1f", 1.0))
    414. 

  414.   end
    415. 

  415. 

  416.   class T012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
    417. 

  417.   end
    418. 

  418. 

  419.   def test_star
    420. 

  420.     assert_equal("-1 ", sprintf("%*d", -3, -1))
    421. 

  421.     assert_raise_with_message(ArgumentError, /width too big/) {
    422. 

  422.       sprintf("%*999999999999999999999999999999999999999999999999999999999999$d", 1)
    423. 

  423.     }
    424. 

  424.     assert_raise_with_message(ArgumentError, /prec too big/) {
    425. 

  425.       sprintf("%.*999999999999999999999999999999999999999999999999999999999999$d", 1)
    426. 

  426.     }
    427. 

  427.   end
    428. 

  428. 

  429.   def test_escape
    430. 

  430.     assert_equal("%" * BSIZ, sprintf("%%" * BSIZ))
    431. 

  431.   end
    432. 

  432. 

  433.   def test_percent_sign_at_end
    434. 

  434.     assert_raise_with_message(ArgumentError, "incomplete format specifier; use %% (double %) instead") do
    435. 

  435.       sprintf("%")
    436. 

  436.     end
    437. 

  437. 

  438.     assert_raise_with_message(ArgumentError, "incomplete format specifier; use %% (double %) instead") do
    439. 

  439.       sprintf("abc%")
    440. 

  440.     end
    441. 

  441.   end
    442. 

  442. 

  443.   def test_rb_sprintf
    444. 

  444.     assert_match(/^#<TestSprintf::T012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789:0x[0-9a-f]+>$/,
    445. 

  445.                  T012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789.new.inspect)
    446. 

  446.   end
    447. 

  447. 

  448.   def test_negative_hex
    449. 

  449.     s1 = sprintf("%0x", -0x40000000)
    450. 

  450.     s2 = sprintf("%0x", -0x40000001)
    451. 

  451.     b1 = (/\.\./ =~ s1) != nil
    452. 

  452.     b2 = (/\.\./ =~ s2) != nil
    453. 

  453.     assert_equal(b1, b2, "[ruby-dev:33224]")
    454. 

  454.   end
    455. 

  455. 

  456.   def test_named_untyped
    457. 

  457.     assert_equal("value", sprintf("%<key>s", :key => "value"))
    458. 

  458.     assert_raise_with_message(ArgumentError, "named<key2> after numbered") {sprintf("%1$<key2>s", :key => "value")}
    459. 

  459.     assert_raise_with_message(ArgumentError, "named<key2> after unnumbered(2)") {sprintf("%s%s%<key2>s", "foo", "bar", :key => "value")}
    460. 

  460.     assert_raise_with_message(ArgumentError, "named<key2> after <key>") {sprintf("%<key><key2>s", :key => "value")}
    461. 

  461.     h = {}
    462. 

  462.     e = assert_raise_with_message(KeyError, "key<key> not found") {sprintf("%<key>s", h)}
    463. 

  463.     assert_same(h, e.receiver)
    464. 

  464.     assert_equal(:key, e.key)
    465. 

  465.   end
    466. 

  466. 

  467.   def test_named_untyped_enc
    468. 

  468.     key = "\u{3012}"
    469. 

  469.     [Encoding::UTF_8, Encoding::EUC_JP].each do |enc|
    470. 

  470.       k = key.encode(enc)
    471. 

  471.       e = assert_raise_with_message(ArgumentError, "named<#{k}> after numbered") {sprintf("%1$<#{k}>s", key: "value")}
    472. 

  472.       assert_equal(enc, e.message.encoding)
    473. 

  473.       e = assert_raise_with_message(ArgumentError, "named<#{k}> after unnumbered(2)") {sprintf("%s%s%<#{k}>s", "foo", "bar", key: "value")}
    474. 

  474.       assert_equal(enc, e.message.encoding)
    475. 

  475.       e = assert_raise_with_message(ArgumentError, "named<#{k}> after <key>") {sprintf("%<key><#{k}>s", key: "value")}
    476. 

  476.       assert_equal(enc, e.message.encoding)
    477. 

  477.       e = assert_raise_with_message(ArgumentError, "named<key> after <#{k}>") {sprintf("%<#{k}><key>s", k.to_sym => "value")}
    478. 

  478.       assert_equal(enc, e.message.encoding)
    479. 

  479.       e = assert_raise_with_message(KeyError, "key<#{k}> not found") {sprintf("%<#{k}>s", {})}
    480. 

  480.       assert_equal(enc, e.message.encoding)
    481. 

  481.     end
    482. 

  482.   end
    483. 

  483. 

  484.   def test_named_typed
    485. 

  485.     assert_equal("value", sprintf("%{key}", :key => "value"))
    486. 

  486.     assert_raise_with_message(ArgumentError, "named{key2} after numbered") {sprintf("%1${key2}", :key => "value")}
    487. 

  487.     assert_raise_with_message(ArgumentError, "named{key2} after unnumbered(2)") {sprintf("%s%s%{key2}", "foo", "bar", :key => "value")}
    488. 

  488.     assert_raise_with_message(ArgumentError, "named{key2} after <key>") {sprintf("%<key>{key2}", :key => "value")}
    489. 

  489.     assert_equal("value{key2}", sprintf("%{key}{key2}", :key => "value"))
    490. 

  490.     assert_raise_with_message(KeyError, "key{key} not found") {sprintf("%{key}", {})}
    491. 

  491.   end
    492. 

  492. 

  493.   def test_named_typed_enc
    494. 

  494.     key = "\u{3012}"
    495. 

  495.     [Encoding::UTF_8, Encoding::EUC_JP].each do |enc|
    496. 

  496.       k = key.encode(enc)
    497. 

  497.       e = assert_raise_with_message(ArgumentError, "named{#{k}} after numbered") {sprintf("%1${#{k}}s", key: "value")}
    498. 

  498.       assert_equal(enc, e.message.encoding)
    499. 

  499.       e = assert_raise_with_message(ArgumentError, "named{#{k}} after unnumbered(2)") {sprintf("%s%s%{#{k}}s", "foo", "bar", key: "value")}
    500. 

  500.       assert_equal(enc, e.message.encoding)
    501. 

  501.       e = assert_raise_with_message(ArgumentError, "named{#{k}} after <key>") {sprintf("%<key>{#{k}}s", key: "value")}
    502. 

  502.       assert_equal(enc, e.message.encoding)
    503. 

  503.       e = assert_raise_with_message(ArgumentError, "named{key} after <#{k}>") {sprintf("%<#{k}>{key}s", k.to_sym => "value")}
    504. 

  504.       assert_equal(enc, e.message.encoding)
    505. 

  505.       e = assert_raise_with_message(KeyError, "key{#{k}} not found") {sprintf("%{#{k}}", {})}
    506. 

  506.       assert_equal(enc, e.message.encoding)
    507. 

  507.     end
    508. 

  508.   end
    509. 

  509. 

  510.   def test_named_default
    511. 

  511.     h = Hash.new('world')
    512. 

  512.     assert_equal("hello world", "hello %{location}" % h)
    513. 

  513.     assert_equal("hello world", "hello %<location>s" % h)
    514. 

  514.   end
    515. 

  515. 

  516.   def test_named_with_nil
    517. 

  517.     h = { key: nil, key2: "key2_val" }
    518. 

  518.     assert_equal("key is , key2 is key2_val", "key is %{key}, key2 is %{key2}" % h)
    519. 

  519.   end
    520. 

  520. 

  521.   def test_width_underflow
    522. 

  522.     bug = 'https://github.com/mruby/mruby/issues/3347'
    523. 

  523.     assert_equal("!", sprintf("%*c", 0, ?!.ord), bug)
    524. 

  524.   end
    525. 

  525. 

  526.   def test_negative_width_overflow
    527. 

  527.     assert_raise_with_message(ArgumentError, /too big/) do
    528. 

  528.       sprintf("%*s", RbConfig::LIMITS["INT_MIN"], "")
    529. 

  529.     end
    530. 

  530.   end
    531. 

  531. 

  532.   def test_no_hidden_garbage
    533. 

  533.     skip unless Thread.list.size == 1
    534. 

  534. 

  535.     fmt = [4, 2, 2].map { |x| "%0#{x}d" }.join('-') # defeats optimization
    536. 

  536.     ObjectSpace.count_objects(res = {}) # creates strings on first call
    537. 

  537.     GC.disable
    538. 

  538.     before = ObjectSpace.count_objects(res)[:T_STRING]
    539. 

  539.     val = sprintf(fmt, 1970, 1, 1)
    540. 

  540.     after = ObjectSpace.count_objects(res)[:T_STRING]
    541. 

  541.     assert_equal before + 1, after, 'only new string is the created one'
    542. 

  542.     assert_equal '1970-01-01', val
    543. 

  543.   ensure
    544. 

  544.     GC.enable
    545. 

  545.   end
    546. 

  546. end
    547. 

  547.