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
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
|
require 'test/unit'
class TestM17N < Test::Unit::TestCase
def assert_encoding(encname, actual, message=nil)
assert_equal(Encoding.find(encname), actual, message)
end
def a(str) str.force_encoding("ASCII-8BIT") end
def e(str) str.force_encoding("EUC-JP") end
def s(str) str.force_encoding("Shift_JIS") end
def u(str) str.force_encoding("UTF-8") end
def test_string_ascii_literal
assert_encoding("ASCII-8BIT", eval(a(%{""})).encoding)
assert_encoding("ASCII-8BIT", eval(a(%{"a"})).encoding)
end
def test_string_euc_literal
assert_encoding("ASCII-8BIT", eval(e(%{""})).encoding)
assert_encoding("ASCII-8BIT", eval(e(%{"a"})).encoding)
assert_encoding("EUC-JP", eval(e(%{"\xa1\xa1"})).encoding)
assert_encoding("EUC-JP", eval(e(%{"\\xa1\\xa1"})).encoding)
assert_encoding("ASCII-8BIT", eval(e(%{"\\x20"})).encoding)
assert_encoding("ASCII-8BIT", eval(e(%{"\\n"})).encoding)
assert_encoding("EUC-JP", eval(e(%{"\\x80"})).encoding)
end
def test_string_mixed_unicode
assert_raise(SyntaxError) { eval(a(%{"\xc0\xa0\\u{6666}"})) }
assert_raise(SyntaxError) { eval(e(%{"\xc0\xa0\\u{6666}"})) }
assert_raise(SyntaxError) { eval(s(%{"\xc0\xa0\\u{6666}"})) }
assert_nothing_raised { eval(u(%{"\xc0\xa0\\u{6666}"})) }
assert_raise(SyntaxError) { eval(a(%{"\\u{6666}\xc0\xa0"})) }
assert_raise(SyntaxError) { eval(e(%{"\\u{6666}\xc0\xa0"})) }
assert_raise(SyntaxError) { eval(s(%{"\\u{6666}\xc0\xa0"})) }
assert_nothing_raised { eval(u(%{"\\u{6666}\xc0\xa0"})) }
end
def test_regexp_too_short_multibyte_character
assert_raise(SyntaxError) { eval('/\xfe/e') }
assert_raise(SyntaxError) { eval('/\x8e/e') }
assert_raise(SyntaxError) { eval('/\x8f/e') }
assert_raise(SyntaxError) { eval('/\x8f\xa1/e') }
assert_raise(SyntaxError) { eval('/\xef/s') }
assert_raise(SyntaxError) { eval('/\xc0/u') }
assert_raise(SyntaxError) { eval('/\xe0\x80/u') }
assert_raise(SyntaxError) { eval('/\xf0\x80\x80/u') }
assert_raise(SyntaxError) { eval('/\xf8\x80\x80\x80/u') }
assert_raise(SyntaxError) { eval('/\xfc\x80\x80\x80\x80/u') }
# raw 8bit
assert_raise(SyntaxError) { eval("/\xfe/e") }
assert_raise(SyntaxError) { eval("/\xc0/u") }
# invalid suffix
assert_raise(SyntaxError) { eval('/\xc0\xff/u') }
assert_raise(SyntaxError) { eval('/\xc0 /u') }
#assert_raise(SyntaxError) { eval('/\xc0\x20/u') }
end
def assert_regexp_generic_encoding(r)
assert(!r.fixed_encoding?)
%w[ASCII-8BIT EUC-JP Shift_JIS UTF-8].each {|ename|
# "\xc0\xa1" is a valid sequence for ASCII-8BIT, EUC-JP, Shift_JIS and UTF-8.
assert_nothing_raised { r =~ "\xc0\xa1".force_encoding(ename) }
}
end
def assert_regexp_fixed_encoding(r)
assert(r.fixed_encoding?)
%w[ASCII-8BIT EUC-JP Shift_JIS UTF-8].each {|ename|
enc = Encoding.find(ename)
if enc == r.encoding
assert_nothing_raised { r =~ "\xc0\xa1".force_encoding(enc) }
else
assert_raise(ArgumentError) { r =~ "\xc0\xa1".force_encoding(enc) }
end
}
end
def assert_regexp_generic_ascii(r)
assert_encoding("ASCII-8BIT", r.encoding)
assert_regexp_generic_encoding(r)
end
def assert_regexp_fixed_ascii8bit(r)
assert_encoding("ASCII-8BIT", r.encoding)
assert_regexp_fixed_encoding(r)
end
def assert_regexp_fixed_eucjp(r)
assert_encoding("EUC-JP", r.encoding)
assert_regexp_fixed_encoding(r)
end
def assert_regexp_fixed_sjis(r)
assert_encoding("Shift_JIS", r.encoding)
assert_regexp_fixed_encoding(r)
end
def assert_regexp_fixed_utf8(r)
assert_encoding("UTF-8", r.encoding)
assert_regexp_fixed_encoding(r)
end
def test_regexp_generic
assert_regexp_generic_ascii(/a/)
assert_regexp_generic_ascii(Regexp.new(a("a")))
assert_regexp_generic_ascii(Regexp.new(e("a")))
assert_regexp_generic_ascii(Regexp.new(s("a")))
assert_regexp_generic_ascii(Regexp.new(u("a")))
[/a/, Regexp.new(a("a"))].each {|r|
assert_equal(0, r =~ a("a"))
assert_equal(0, r =~ e("a"))
assert_equal(0, r =~ s("a"))
assert_equal(0, r =~ u("a"))
assert_equal(nil, r =~ a("\xc0\xa1"))
assert_equal(nil, r =~ e("\xc0\xa1"))
assert_equal(nil, r =~ s("\xc0\xa1"))
assert_equal(nil, r =~ u("\xc0\xa1"))
}
end
def test_regexp_ascii
assert_regexp_fixed_ascii8bit(/a/n)
assert_regexp_fixed_ascii8bit(/\xc0\xa1/n)
assert_regexp_fixed_ascii8bit(eval(a(%{/\xc0\xa1/})))
assert_regexp_fixed_ascii8bit(eval(a(%{/\xc0\xa1/n})))
assert_regexp_fixed_ascii8bit(eval(a(%q{/\xc0\xa1/})))
[/a/n].each {|r|
assert_equal(0, r =~ a("a"))
assert_equal(0, r =~ e("a"))
assert_equal(0, r =~ s("a"))
assert_equal(0, r =~ u("a"))
assert_equal(nil, r =~ a("\xc0\xa1"))
assert_raise(ArgumentError) { r =~ e("\xc0\xa1") }
assert_raise(ArgumentError) { r =~ s("\xc0\xa1") }
assert_raise(ArgumentError) { r =~ u("\xc0\xa1") }
}
[/\xc0\xa1/n, eval(a(%{/\xc0\xa1/})), eval(a(%{/\xc0\xa1/n}))].each {|r|
assert_equal(nil, r =~ a("a"))
assert_equal(nil, r =~ e("a"))
assert_equal(nil, r =~ s("a"))
assert_equal(nil, r =~ u("a"))
assert_equal(0, r =~ a("\xc0\xa1"))
assert_raise(ArgumentError) { r =~ e("\xc0\xa1") }
assert_raise(ArgumentError) { r =~ s("\xc0\xa1") }
assert_raise(ArgumentError) { r =~ u("\xc0\xa1") }
}
end
def test_regexp_euc
assert_regexp_fixed_eucjp(/a/e)
assert_regexp_fixed_eucjp(/\xc0\xa1/e)
assert_regexp_fixed_eucjp(eval(e(%{/\xc0\xa1/})))
assert_regexp_fixed_eucjp(eval(e(%q{/\xc0\xa1/})))
[/a/e].each {|r|
assert_equal(0, r =~ a("a"))
assert_equal(0, r =~ e("a"))
assert_equal(0, r =~ s("a"))
assert_equal(0, r =~ u("a"))
assert_raise(ArgumentError) { r =~ a("\xc0\xa1") }
assert_equal(nil, r =~ e("\xc0\xa1"))
assert_raise(ArgumentError) { r =~ s("\xc0\xa1") }
assert_raise(ArgumentError) { r =~ u("\xc0\xa1") }
}
[/\xc0\xa1/e, eval(e(%{/\xc0\xa1/})), eval(e(%q{/\xc0\xa1/}))].each {|r|
assert_equal(nil, r =~ a("a"))
assert_equal(nil, r =~ e("a"))
assert_equal(nil, r =~ s("a"))
assert_equal(nil, r =~ u("a"))
assert_raise(ArgumentError) { r =~ a("\xc0\xa1") }
assert_equal(0, r =~ e("\xc0\xa1"))
assert_raise(ArgumentError) { r =~ s("\xc0\xa1") }
assert_raise(ArgumentError) { r =~ u("\xc0\xa1") }
}
end
def test_regexp_sjis
assert_regexp_fixed_sjis(/a/s)
assert_regexp_fixed_sjis(/\xc0\xa1/s)
assert_regexp_fixed_sjis(eval(s(%{/\xc0\xa1/})))
assert_regexp_fixed_sjis(eval(s(%q{/\xc0\xa1/})))
end
def test_begin_end_offset
str = e("\244\242\244\244\244\246\244\250\244\252a")
assert(/(a)/ =~ str)
assert_equal("a", $&)
assert_equal(5, $~.begin(0))
assert_equal(6, $~.end(0))
assert_equal([5,6], $~.offset(0))
assert_equal(5, $~.begin(1))
assert_equal(6, $~.end(1))
assert_equal([5,6], $~.offset(1))
end
def test_begin_end_offset_sjis
str = s("\x81@@")
assert(/@/ =~ str)
assert_equal(s("\x81@"), $`)
assert_equal("@", $&)
assert_equal("", $')
assert_equal([1,2], $~.offset(0))
end
def test_quote
assert_regexp_generic_ascii(/#{Regexp.quote(a("a"))}#{Regexp.quote(e("e"))}/)
# Regexp.quote returns ASCII-8BIT string for ASCII only string
# to make generic regexp if possible.
assert_encoding("ASCII-8BIT", Regexp.quote(a("")).encoding)
assert_encoding("ASCII-8BIT", Regexp.quote(e("")).encoding)
assert_encoding("ASCII-8BIT", Regexp.quote(s("")).encoding)
assert_encoding("ASCII-8BIT", Regexp.quote(u("")).encoding)
assert_encoding("ASCII-8BIT", Regexp.quote(a("a")).encoding)
assert_encoding("ASCII-8BIT", Regexp.quote(e("a")).encoding)
assert_encoding("ASCII-8BIT", Regexp.quote(s("a")).encoding)
assert_encoding("ASCII-8BIT", Regexp.quote(u("a")).encoding)
assert_encoding("ASCII-8BIT", Regexp.quote(a("\xc0\xa1")).encoding)
assert_encoding("EUC-JP", Regexp.quote(e("\xc0\xa1")).encoding)
assert_encoding("Shift_JIS", Regexp.quote(s("\xc0\xa1")).encoding)
assert_encoding("UTF-8", Regexp.quote(u("\xc0\xa1")).encoding)
end
def test_union_0
r = Regexp.union
assert_regexp_generic_ascii(r)
assert(r !~ a(""))
assert(r !~ e(""))
assert(r !~ s(""))
assert(r !~ u(""))
end
def test_union_1_asciionly_string
assert_regexp_generic_ascii(Regexp.union(a("")))
assert_regexp_generic_ascii(Regexp.union(e("")))
assert_regexp_generic_ascii(Regexp.union(s("")))
assert_regexp_generic_ascii(Regexp.union(u("")))
assert_regexp_generic_ascii(Regexp.union(a("a")))
assert_regexp_generic_ascii(Regexp.union(e("a")))
assert_regexp_generic_ascii(Regexp.union(s("a")))
assert_regexp_generic_ascii(Regexp.union(u("a")))
assert_regexp_generic_ascii(Regexp.union(a("\t")))
assert_regexp_generic_ascii(Regexp.union(e("\t")))
assert_regexp_generic_ascii(Regexp.union(s("\t")))
assert_regexp_generic_ascii(Regexp.union(u("\t")))
end
def test_union_1_nonascii_string
assert_regexp_fixed_ascii8bit(Regexp.union(a("\xc0\xa1")))
assert_regexp_fixed_eucjp(Regexp.union(e("\xc0\xa1")))
assert_regexp_fixed_sjis(Regexp.union(s("\xc0\xa1")))
assert_regexp_fixed_utf8(Regexp.union(u("\xc0\xa1")))
end
def test_union_1_regexp
assert_regexp_generic_ascii(Regexp.union(//))
assert_regexp_fixed_ascii8bit(Regexp.union(//n))
assert_regexp_fixed_eucjp(Regexp.union(//e))
assert_regexp_fixed_sjis(Regexp.union(//s))
assert_regexp_fixed_utf8(Regexp.union(//u))
end
def test_union_2
ary = [
a(""), e(""), s(""), u(""),
a("\xc0\xa1"), e("\xc0\xa1"), s("\xc0\xa1"), u("\xc0\xa1")
]
ary.each {|s1|
ary.each {|s2|
if s1.empty?
if s2.empty?
assert_regexp_generic_ascii(Regexp.union(s1, s2))
else
r = Regexp.union(s1, s2)
assert_regexp_fixed_encoding(r)
assert_equal(s2.encoding, r.encoding)
end
else
if s2.empty?
r = Regexp.union(s1, s2)
assert_regexp_fixed_encoding(r)
assert_equal(s1.encoding, r.encoding)
else
if s1.encoding == s2.encoding
r = Regexp.union(s1, s2)
assert_regexp_fixed_encoding(r)
assert_equal(s1.encoding, r.encoding)
else
assert_raise(ArgumentError) { Regexp.union(s1, s2) }
end
end
end
}
}
end
end
|
