summaryrefslogtreecommitdiff
path: root/test/ruby/test_sprintf.rb
blob: cad9f5e031d4fa75fc428d2a6f0d475101953284 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
require 'test/unit'

class TestSprintf < Test::Unit::TestCase
  def test_positional
    assert_equal("     00001", sprintf("%*1$.*2$3$d", 10, 5, 1))
  end

  def test_binary
    assert_equal("0", sprintf("%b", 0))
    assert_equal("1", sprintf("%b", 1))
    assert_equal("10", sprintf("%b", 2))
    assert_equal("..1", sprintf("%b", -1))

    assert_equal("   0", sprintf("%4b", 0))
    assert_equal("   1", sprintf("%4b", 1))
    assert_equal("  10", sprintf("%4b", 2))
    assert_equal(" ..1", sprintf("%4b", -1))

    assert_equal("0000", sprintf("%04b", 0))
    assert_equal("0001", sprintf("%04b", 1))
    assert_equal("0010", sprintf("%04b", 2))
    assert_equal("..11", sprintf("%04b", -1))

    assert_equal("0000", sprintf("%.4b", 0))
    assert_equal("0001", sprintf("%.4b", 1))
    assert_equal("0010", sprintf("%.4b", 2))
    assert_equal("..11", sprintf("%.4b", -1))

    assert_equal("  0000", sprintf("%6.4b", 0))
    assert_equal("  0001", sprintf("%6.4b", 1))
    assert_equal("  0010", sprintf("%6.4b", 2))
    assert_equal("  ..11", sprintf("%6.4b", -1))

    assert_equal("   0", sprintf("%#4b", 0))
    assert_equal(" 0b1", sprintf("%#4b", 1))
    assert_equal("0b10", sprintf("%#4b", 2))
    assert_equal("0b..1", sprintf("%#4b", -1))

    assert_equal("0000", sprintf("%#04b", 0))
    assert_equal("0b01", sprintf("%#04b", 1))
    assert_equal("0b10", sprintf("%#04b", 2))
    assert_equal("0b..1", sprintf("%#04b", -1))

    assert_equal("0000", sprintf("%#.4b", 0))
    assert_equal("0b0001", sprintf("%#.4b", 1))
    assert_equal("0b0010", sprintf("%#.4b", 2))
    assert_equal("0b..11", sprintf("%#.4b", -1))

    assert_equal("  0000", sprintf("%#6.4b", 0))
    assert_equal("0b0001", sprintf("%#6.4b", 1))
    assert_equal("0b0010", sprintf("%#6.4b", 2))
    assert_equal("0b..11", sprintf("%#6.4b", -1))

    assert_equal("+0", sprintf("%+b", 0))
    assert_equal("+1", sprintf("%+b", 1))
    assert_equal("+10", sprintf("%+b", 2))
    assert_equal("-1", sprintf("%+b", -1))

    assert_equal("  +0", sprintf("%+4b", 0))
    assert_equal("  +1", sprintf("%+4b", 1))
    assert_equal(" +10", sprintf("%+4b", 2))
    assert_equal("  -1", sprintf("%+4b", -1))

    assert_equal("+000", sprintf("%+04b", 0))
    assert_equal("+001", sprintf("%+04b", 1))
    assert_equal("+010", sprintf("%+04b", 2))
    assert_equal("-001", sprintf("%+04b", -1))

    assert_equal("+0000", sprintf("%+.4b", 0))
    assert_equal("+0001", sprintf("%+.4b", 1))
    assert_equal("+0010", sprintf("%+.4b", 2))
    assert_equal("-0001", sprintf("%+.4b", -1))

    assert_equal(" +0000", sprintf("%+6.4b", 0))
    assert_equal(" +0001", sprintf("%+6.4b", 1))
    assert_equal(" +0010", sprintf("%+6.4b", 2))
    assert_equal(" -0001", sprintf("%+6.4b", -1))
  end

  def test_nan
    nan = 0.0 / 0.0
    assert_equal("NaN", sprintf("%f", nan))
    assert_equal("NaN", sprintf("%-f", nan))
    assert_equal("+NaN", sprintf("%+f", nan))

    assert_equal("     NaN", sprintf("%8f", nan))
    assert_equal("NaN     ", sprintf("%-8f", nan))
    assert_equal("    +NaN", sprintf("%+8f", nan))

    assert_equal("     NaN", sprintf("%08f", nan))
    assert_equal("NaN     ", sprintf("%-08f", nan))
    assert_equal("    +NaN", sprintf("%+08f", nan))

    assert_equal("     NaN", sprintf("% 8f", nan))
    assert_equal(" NaN    ", sprintf("%- 8f", nan))
    assert_equal("    +NaN", sprintf("%+ 8f", nan))

    assert_equal("     NaN", sprintf("% 08f", nan))
    assert_equal(" NaN    ", sprintf("%- 08f", nan))
    assert_equal("    +NaN", sprintf("%+ 08f", nan))
  end

  def test_inf
    inf = 1.0 / 0.0
    assert_equal("Inf", sprintf("%f", inf))
    assert_equal("Inf", sprintf("%-f", inf))
    assert_equal("+Inf", sprintf("%+f", inf))

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

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

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

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

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

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

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

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

    assert_equal("    -Inf", sprintf("% 08f", -inf))
    assert_equal("-Inf    ", sprintf("%- 08f", -inf))
    assert_equal("    -Inf", sprintf("%+ 08f", -inf))
    assert_equal('..f00000000',
      sprintf("%x", -2**32), '[ruby-dev:32351]')
    assert_equal("..101111111111111111111111111111111",
      sprintf("%b", -2147483649), '[ruby-dev:32365]')
    assert_equal(" Inf", sprintf("% e", inf), '[ruby-dev:34002]')
  end

  def test_invalid
    # Star precision before star width:
    assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%.**d", 5, 10, 1)}

    # Precision before flags and width:
    assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%.5+05d", 5)}
    assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%.5 5d", 5)}

    # Overriding a star width with a numeric one:
    assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%*1s", 5, 1)}

    # Width before flags:
    assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%5+0d", 1)}
    assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%5 0d", 1)}

    # Specifying width multiple times:
    assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%50+30+20+10+5d", 5)}
    assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%50 30 20 10 5d", 5)}

    # Specifying the precision multiple times with negative star arguments:
    assert_raise(ArgumentError, "[ruby-core:11570]") {sprintf("%.*.*.*.*f", -1, -1, -1, 5, 1)}

    # Null bytes after percent signs are removed:
    assert_equal("%\0x hello", sprintf("%\0x hello"), "[ruby-core:11571]")

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

    assert_raise(ArgumentError) { sprintf("%\1", 1) }
    assert_raise(ArgumentError) { sprintf("%!", 1) }
    assert_raise(ArgumentError) { sprintf("%1$1$d", 1) }
    assert_raise(ArgumentError) { sprintf("%0%") }
    assert_nothing_raised { sprintf("", 1) }
  end

  def test_float
    assert_equal("36893488147419111424",
                 sprintf("%20.0f", 36893488147419107329.0))
    assert_equal(" Inf", sprintf("% 0e", 1.0/0.0), "moved from btest/knownbug")
  end

  BSIZ = 120

  def test_skip
    assert_equal(" " * BSIZ + "1", sprintf(" " * BSIZ + "%d", 1))
  end

  def test_char
    assert_equal("a", sprintf("%c", 97))
    assert_equal("a", sprintf("%c", ?a))
    assert_raise(ArgumentError) { sprintf("%c", sprintf("%c%c", ?a, ?a)) }
    assert_equal(" " * (BSIZ - 1) + "a", sprintf(" " * (BSIZ - 1) + "%c", ?a))
    assert_equal(" " * (BSIZ - 1) + "a", sprintf(" " * (BSIZ - 1) + "%-1c", ?a))
    assert_equal(" " * BSIZ + "a", sprintf("%#{ BSIZ + 1 }c", ?a))
    assert_equal("a" + " " * BSIZ, sprintf("%-#{ BSIZ + 1 }c", ?a))
  end

  def test_string
    assert_equal("foo", sprintf("%s", "foo"))
    assert_equal("fo", sprintf("%.2s", "foo"))
    assert_equal(" " * BSIZ, sprintf("%s", " " * BSIZ))
    assert_equal(" " * (BSIZ - 1) + "foo", sprintf("%#{ BSIZ - 1 + 3 }s", "foo"))
    assert_equal(" " * BSIZ + "foo", sprintf("%#{ BSIZ + 3 }s", "foo"))
    assert_equal("foo" + " " * BSIZ, sprintf("%-#{ BSIZ + 3 }s", "foo"))
  end

  def test_integer
    assert_equal("01", sprintf("%#o", 1))
    assert_equal("0x1", sprintf("%#x", 1))
    assert_equal("0X1", sprintf("%#X", 1))
    assert_equal("0b1", sprintf("%#b", 1))
    assert_equal("0B1", sprintf("%#B", 1))
    assert_equal("1", sprintf("%d", 1.0))
    assert_equal("4294967296", sprintf("%d", (2**32).to_f))
    assert_equal("-2147483648", sprintf("%d", -(2**31).to_f))
    assert_equal("18446744073709551616", sprintf("%d", (2**64).to_f))
    assert_equal("-9223372036854775808", sprintf("%d", -(2**63).to_f))
    assert_equal("1", sprintf("%d", "1"))
    o = Object.new; def o.to_int; 1; end
    assert_equal("1", sprintf("%d", o))
    assert_equal("+1", sprintf("%+d", 1))
    assert_equal(" 1", sprintf("% d", 1))
    assert_equal("..f", sprintf("%x", -1))
    assert_equal("..7", sprintf("%o", -1))
    one = (2**32).coerce(1).first
    mone = (2**32).coerce(-1).first
    assert_equal("+1", sprintf("%+d", one))
    assert_equal(" 1", sprintf("% d", one))
    assert_equal("..f", sprintf("%x", mone))
    assert_equal("..7", sprintf("%o", mone))
    assert_equal(" " * BSIZ + "1", sprintf("%#{ BSIZ + 1 }d", one))
    assert_equal(" " * (BSIZ - 1) + "1", sprintf(" " * (BSIZ - 1) + "%d", 1))
  end

  def test_float2
    inf = 1.0 / 0.0
    assert_equal(" " * BSIZ + "Inf", sprintf("%#{ BSIZ + 3 }.1f", inf))
    assert_equal("+Inf", sprintf("%+-f", inf))
    assert_equal(" " * BSIZ + "1.0", sprintf("%#{ BSIZ + 3 }.1f", 1.0))
  end

  class T012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
  end

  def test_star
    assert_equal("-1 ", sprintf("%*d", -3, -1))
  end

  def test_escape
    assert_equal("%" * BSIZ, sprintf("%%" * BSIZ))
  end

  def test_rb_sprintf
    assert(T012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789.new.inspect =~ /^#<TestSprintf::T012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789:0x[0-9a-f]+>$/)
  end

  def test_negative_hex
    s1 = sprintf("%0x", -0x40000000)
    s2 = sprintf("%0x", -0x40000001)
    b1 = (/\.\./ =~ s1) != nil
    b2 = (/\.\./ =~ s2) != nil
    assert(b1 == b2, "[ruby-dev:33224]")
  end
end