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APItest/t/utf8_warn_base.pl: Improve some diagnostics
[perl5.git] / ext / XS-APItest / t / utf8_warn_base.pl
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1#!perl -w
2
3# This is a base file to be used by various .t's in its directory
4
5use strict;
6use Test::More;
7
8BEGIN {
9 use_ok('XS::APItest');
10 require 'charset_tools.pl';
11 require './t/utf8_setup.pl';
12};
13
14$|=1;
15
16no warnings 'deprecated'; # Some of the below are above IV_MAX on 32 bit
17 # machines, and that is tested elsewhere
18
19use XS::APItest;
20use Data::Dumper;
21
9cdc3054 22my @warnings_gotten;
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23
24use warnings 'utf8';
9cdc3054 25local $SIG{__WARN__} = sub { push @warnings_gotten, @_ };
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26
27sub nonportable_regex ($) {
28
29 # Returns a pattern that matches the non-portable message raised either
30 # for the specific input code point, or the one generated when there
31 # is some malformation that precludes the message containing the specific
32 # code point
33
34 my $code_point = shift;
35
36 my $string = sprintf '(Code point 0x%X is not Unicode, and'
37 . '|Any UTF-8 sequence that starts with'
38 . ' "(\\\x[[:xdigit:]]{2})+" is for a'
39 . ' non-Unicode code point, and is) not portable',
40 $code_point;
41 return qr/$string/;
42}
43
44# Now test the cases where a legal code point is generated, but may or may not
45# be allowed/warned on.
46my @tests = (
9cdc3054 47 # ($testname, $bytes, $disallow_flags, $controlling_warning_category,
b7e1f4b2 48 # $allowed_uv, $needed_to_discern_len )
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49 [ "lowest surrogate",
50 (isASCII) ? "\xed\xa0\x80" : I8_to_native("\xf1\xb6\xa0\xa0"),
b7e1f4b2 51 $::UTF8_DISALLOW_SURROGATE,
6aa905cf 52 'surrogate', 0xD800,
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53 ],
54 [ "a middle surrogate",
55 (isASCII) ? "\xed\xa4\x8d" : I8_to_native("\xf1\xb6\xa8\xad"),
b7e1f4b2 56 $::UTF8_DISALLOW_SURROGATE,
6aa905cf 57 'surrogate', 0xD90D,
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58 ],
59 [ "highest surrogate",
60 (isASCII) ? "\xed\xbf\xbf" : I8_to_native("\xf1\xb7\xbf\xbf"),
b7e1f4b2 61 $::UTF8_DISALLOW_SURROGATE,
6aa905cf 62 'surrogate', 0xDFFF,
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63 ],
64 [ "first non_unicode",
65 (isASCII) ? "\xf4\x90\x80\x80" : I8_to_native("\xf9\xa2\xa0\xa0\xa0"),
b7e1f4b2 66 $::UTF8_DISALLOW_SUPER,
6aa905cf 67 'non_unicode', 0x110000,
6aa905cf 68 2,
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69 ],
70 [ "non_unicode whose first byte tells that",
71 (isASCII) ? "\xf5\x80\x80\x80" : I8_to_native("\xfa\xa0\xa0\xa0\xa0"),
b7e1f4b2 72 $::UTF8_DISALLOW_SUPER,
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73 'non_unicode',
74 (isASCII) ? 0x140000 : 0x200000,
6aa905cf 75 1,
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76 ],
77 [ "first of 32 consecutive non-character code points",
78 (isASCII) ? "\xef\xb7\x90" : I8_to_native("\xf1\xbf\xae\xb0"),
b7e1f4b2 79 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 80 'nonchar', 0xFDD0,
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81 ],
82 [ "a mid non-character code point of the 32 consecutive ones",
83 (isASCII) ? "\xef\xb7\xa0" : I8_to_native("\xf1\xbf\xaf\xa0"),
b7e1f4b2 84 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 85 'nonchar', 0xFDE0,
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86 ],
87 [ "final of 32 consecutive non-character code points",
88 (isASCII) ? "\xef\xb7\xaf" : I8_to_native("\xf1\xbf\xaf\xaf"),
b7e1f4b2 89 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 90 'nonchar', 0xFDEF,
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91 ],
92 [ "non-character code point U+FFFE",
93 (isASCII) ? "\xef\xbf\xbe" : I8_to_native("\xf1\xbf\xbf\xbe"),
b7e1f4b2 94 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 95 'nonchar', 0xFFFE,
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96 ],
97 [ "non-character code point U+FFFF",
98 (isASCII) ? "\xef\xbf\xbf" : I8_to_native("\xf1\xbf\xbf\xbf"),
b7e1f4b2 99 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 100 'nonchar', 0xFFFF,
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101 ],
102 [ "non-character code point U+1FFFE",
103 (isASCII) ? "\xf0\x9f\xbf\xbe" : I8_to_native("\xf3\xbf\xbf\xbe"),
b7e1f4b2 104 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 105 'nonchar', 0x1FFFE,
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106 ],
107 [ "non-character code point U+1FFFF",
108 (isASCII) ? "\xf0\x9f\xbf\xbf" : I8_to_native("\xf3\xbf\xbf\xbf"),
b7e1f4b2 109 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 110 'nonchar', 0x1FFFF,
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111 ],
112 [ "non-character code point U+2FFFE",
113 (isASCII) ? "\xf0\xaf\xbf\xbe" : I8_to_native("\xf5\xbf\xbf\xbe"),
b7e1f4b2 114 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 115 'nonchar', 0x2FFFE,
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116 ],
117 [ "non-character code point U+2FFFF",
118 (isASCII) ? "\xf0\xaf\xbf\xbf" : I8_to_native("\xf5\xbf\xbf\xbf"),
b7e1f4b2 119 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 120 'nonchar', 0x2FFFF,
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121 ],
122 [ "non-character code point U+3FFFE",
123 (isASCII) ? "\xf0\xbf\xbf\xbe" : I8_to_native("\xf7\xbf\xbf\xbe"),
b7e1f4b2 124 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 125 'nonchar', 0x3FFFE,
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126 ],
127 [ "non-character code point U+3FFFF",
128 (isASCII) ? "\xf0\xbf\xbf\xbf" : I8_to_native("\xf7\xbf\xbf\xbf"),
b7e1f4b2 129 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 130 'nonchar', 0x3FFFF,
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131 ],
132 [ "non-character code point U+4FFFE",
133 (isASCII) ? "\xf1\x8f\xbf\xbe" : I8_to_native("\xf8\xa9\xbf\xbf\xbe"),
b7e1f4b2 134 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 135 'nonchar', 0x4FFFE,
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136 ],
137 [ "non-character code point U+4FFFF",
138 (isASCII) ? "\xf1\x8f\xbf\xbf" : I8_to_native("\xf8\xa9\xbf\xbf\xbf"),
b7e1f4b2 139 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 140 'nonchar', 0x4FFFF,
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141 ],
142 [ "non-character code point U+5FFFE",
143 (isASCII) ? "\xf1\x9f\xbf\xbe" : I8_to_native("\xf8\xab\xbf\xbf\xbe"),
b7e1f4b2 144 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 145 'nonchar', 0x5FFFE,
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146 ],
147 [ "non-character code point U+5FFFF",
148 (isASCII) ? "\xf1\x9f\xbf\xbf" : I8_to_native("\xf8\xab\xbf\xbf\xbf"),
b7e1f4b2 149 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 150 'nonchar', 0x5FFFF,
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151 ],
152 [ "non-character code point U+6FFFE",
153 (isASCII) ? "\xf1\xaf\xbf\xbe" : I8_to_native("\xf8\xad\xbf\xbf\xbe"),
b7e1f4b2 154 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 155 'nonchar', 0x6FFFE,
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156 ],
157 [ "non-character code point U+6FFFF",
158 (isASCII) ? "\xf1\xaf\xbf\xbf" : I8_to_native("\xf8\xad\xbf\xbf\xbf"),
b7e1f4b2 159 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 160 'nonchar', 0x6FFFF,
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161 ],
162 [ "non-character code point U+7FFFE",
163 (isASCII) ? "\xf1\xbf\xbf\xbe" : I8_to_native("\xf8\xaf\xbf\xbf\xbe"),
b7e1f4b2 164 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 165 'nonchar', 0x7FFFE,
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166 ],
167 [ "non-character code point U+7FFFF",
168 (isASCII) ? "\xf1\xbf\xbf\xbf" : I8_to_native("\xf8\xaf\xbf\xbf\xbf"),
b7e1f4b2 169 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 170 'nonchar', 0x7FFFF,
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171 ],
172 [ "non-character code point U+8FFFE",
173 (isASCII) ? "\xf2\x8f\xbf\xbe" : I8_to_native("\xf8\xb1\xbf\xbf\xbe"),
b7e1f4b2 174 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 175 'nonchar', 0x8FFFE,
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176 ],
177 [ "non-character code point U+8FFFF",
178 (isASCII) ? "\xf2\x8f\xbf\xbf" : I8_to_native("\xf8\xb1\xbf\xbf\xbf"),
b7e1f4b2 179 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 180 'nonchar', 0x8FFFF,
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181 ],
182 [ "non-character code point U+9FFFE",
183 (isASCII) ? "\xf2\x9f\xbf\xbe" : I8_to_native("\xf8\xb3\xbf\xbf\xbe"),
b7e1f4b2 184 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 185 'nonchar', 0x9FFFE,
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186 ],
187 [ "non-character code point U+9FFFF",
188 (isASCII) ? "\xf2\x9f\xbf\xbf" : I8_to_native("\xf8\xb3\xbf\xbf\xbf"),
b7e1f4b2 189 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 190 'nonchar', 0x9FFFF,
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191 ],
192 [ "non-character code point U+AFFFE",
193 (isASCII) ? "\xf2\xaf\xbf\xbe" : I8_to_native("\xf8\xb5\xbf\xbf\xbe"),
b7e1f4b2 194 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 195 'nonchar', 0xAFFFE,
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196 ],
197 [ "non-character code point U+AFFFF",
198 (isASCII) ? "\xf2\xaf\xbf\xbf" : I8_to_native("\xf8\xb5\xbf\xbf\xbf"),
b7e1f4b2 199 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 200 'nonchar', 0xAFFFF,
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201 ],
202 [ "non-character code point U+BFFFE",
203 (isASCII) ? "\xf2\xbf\xbf\xbe" : I8_to_native("\xf8\xb7\xbf\xbf\xbe"),
b7e1f4b2 204 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 205 'nonchar', 0xBFFFE,
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206 ],
207 [ "non-character code point U+BFFFF",
208 (isASCII) ? "\xf2\xbf\xbf\xbf" : I8_to_native("\xf8\xb7\xbf\xbf\xbf"),
b7e1f4b2 209 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 210 'nonchar', 0xBFFFF,
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211 ],
212 [ "non-character code point U+CFFFE",
213 (isASCII) ? "\xf3\x8f\xbf\xbe" : I8_to_native("\xf8\xb9\xbf\xbf\xbe"),
b7e1f4b2 214 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 215 'nonchar', 0xCFFFE,
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216 ],
217 [ "non-character code point U+CFFFF",
218 (isASCII) ? "\xf3\x8f\xbf\xbf" : I8_to_native("\xf8\xb9\xbf\xbf\xbf"),
b7e1f4b2 219 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 220 'nonchar', 0xCFFFF,
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221 ],
222 [ "non-character code point U+DFFFE",
223 (isASCII) ? "\xf3\x9f\xbf\xbe" : I8_to_native("\xf8\xbb\xbf\xbf\xbe"),
b7e1f4b2 224 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 225 'nonchar', 0xDFFFE,
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226 ],
227 [ "non-character code point U+DFFFF",
228 (isASCII) ? "\xf3\x9f\xbf\xbf" : I8_to_native("\xf8\xbb\xbf\xbf\xbf"),
b7e1f4b2 229 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 230 'nonchar', 0xDFFFF,
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231 ],
232 [ "non-character code point U+EFFFE",
233 (isASCII) ? "\xf3\xaf\xbf\xbe" : I8_to_native("\xf8\xbd\xbf\xbf\xbe"),
b7e1f4b2 234 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 235 'nonchar', 0xEFFFE,
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236 ],
237 [ "non-character code point U+EFFFF",
238 (isASCII) ? "\xf3\xaf\xbf\xbf" : I8_to_native("\xf8\xbd\xbf\xbf\xbf"),
b7e1f4b2 239 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 240 'nonchar', 0xEFFFF,
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241 ],
242 [ "non-character code point U+FFFFE",
243 (isASCII) ? "\xf3\xbf\xbf\xbe" : I8_to_native("\xf8\xbf\xbf\xbf\xbe"),
b7e1f4b2 244 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 245 'nonchar', 0xFFFFE,
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246 ],
247 [ "non-character code point U+FFFFF",
248 (isASCII) ? "\xf3\xbf\xbf\xbf" : I8_to_native("\xf8\xbf\xbf\xbf\xbf"),
b7e1f4b2 249 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 250 'nonchar', 0xFFFFF,
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251 ],
252 [ "non-character code point U+10FFFE",
253 (isASCII) ? "\xf4\x8f\xbf\xbe" : I8_to_native("\xf9\xa1\xbf\xbf\xbe"),
b7e1f4b2 254 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 255 'nonchar', 0x10FFFE,
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256 ],
257 [ "non-character code point U+10FFFF",
258 (isASCII) ? "\xf4\x8f\xbf\xbf" : I8_to_native("\xf9\xa1\xbf\xbf\xbf"),
b7e1f4b2 259 $::UTF8_DISALLOW_NONCHAR,
6aa905cf 260 'nonchar', 0x10FFFF,
6aa905cf 261 ],
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262 [ "requires at least 32 bits",
263 (isASCII)
264 ? "\xfe\x82\x80\x80\x80\x80\x80"
265 : I8_to_native(
266 "\xff\xa0\xa0\xa0\xa0\xa0\xa0\xa2\xa0\xa0\xa0\xa0\xa0\xa0"),
267 # This code point is chosen so that it is representable in a UV on
268 # 32-bit machines
b7e1f4b2 269 $::UTF8_DISALLOW_ABOVE_31_BIT,
76513bdc 270 'utf8', 0x80000000,
76513bdc 271 (isASCII) ? 1 : 8,
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272 ],
273 [ "highest 32 bit code point",
274 (isASCII)
275 ? "\xfe\x83\xbf\xbf\xbf\xbf\xbf"
276 : I8_to_native(
277 "\xff\xa0\xa0\xa0\xa0\xa0\xa0\xa3\xbf\xbf\xbf\xbf\xbf\xbf"),
b7e1f4b2 278 $::UTF8_DISALLOW_ABOVE_31_BIT,
76513bdc 279 'utf8', 0xFFFFFFFF,
76513bdc 280 (isASCII) ? 1 : 8,
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281 ],
282 [ "requires at least 32 bits, and use SUPER-type flags, instead of"
283 . " ABOVE_31_BIT",
284 (isASCII)
285 ? "\xfe\x82\x80\x80\x80\x80\x80"
286 : I8_to_native(
287 "\xff\xa0\xa0\xa0\xa0\xa0\xa0\xa2\xa0\xa0\xa0\xa0\xa0\xa0"),
b7e1f4b2 288 $::UTF8_DISALLOW_SUPER,
76513bdc 289 'utf8', 0x80000000,
76513bdc 290 1,
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291 ],
292 [ "overflow with warnings/disallow for more than 31 bits",
293 # This tests the interaction of WARN_ABOVE_31_BIT/DISALLOW_ABOVE_31_BIT
294 # with overflow. The overflow malformation is never allowed, so
295 # preventing it takes precedence if the ABOVE_31_BIT options would
296 # otherwise allow in an overflowing value. The ASCII code points (1
297 # for 32-bits; 1 for 64) were chosen because the old overflow
298 # detection algorithm did not catch them; this means this test also
299 # checks for that fix. The EBCDIC are arbitrary overflowing ones
300 # since we have no reports of failures with it.
301 (($::is64bit)
302 ? ((isASCII)
303 ? "\xff\x80\x90\x90\x90\xbf\xbf\xbf\xbf\xbf\xbf\xbf\xbf"
304 : I8_to_native(
305 "\xff\xB0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0"))
306 : ((isASCII)
307 ? "\xfe\x86\x80\x80\x80\x80\x80"
308 : I8_to_native(
309 "\xff\xa0\xa0\xa0\xa0\xa0\xa0\xa4\xa0\xa0\xa0\xa0\xa0\xa0"))),
76513bdc 310 $::UTF8_DISALLOW_ABOVE_31_BIT,
04f42bf6 311 'utf8', -1,
76513bdc 312 (isASCII || $::is64bit) ? 2 : 8,
76513bdc 313 ],
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314);
315
316if (! $::is64bit) {
317 if (isASCII) {
318 no warnings qw{portable overflow};
319 push @tests,
320 [ "Lowest 33 bit code point: overflow",
321 "\xFE\x84\x80\x80\x80\x80\x80",
b7e1f4b2 322 $::UTF8_DISALLOW_ABOVE_31_BIT,
04f42bf6 323 'utf8', -1,
b3169593 324 1,
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325 ];
326 }
327}
328else {
329 no warnings qw{portable overflow};
330 push @tests,
331 [ "More than 32 bits",
332 (isASCII)
333 ? "\xff\x80\x80\x80\x80\x80\x81\x80\x80\x80\x80\x80\x80"
334 : I8_to_native(
335 "\xff\xa0\xa0\xa0\xa0\xa0\xa2\xa0\xa0\xa0\xa0\xa0\xa0\xa0"),
b7e1f4b2 336 $::UTF8_DISALLOW_ABOVE_31_BIT,
6aa905cf 337 'utf8', 0x1000000000,
b3169593 338 (isASCII) ? 1 : 7,
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339 ];
340 if (! isASCII) {
341 push @tests, # These could falsely show wrongly in a naive
342 # implementation
343 [ "requires at least 32 bits",
344 I8_to_native(
345 "\xff\xa0\xa0\xa0\xa0\xa0\xa1\xa0\xa0\xa0\xa0\xa0\xa0\xa0"),
b7e1f4b2 346 $::UTF8_DISALLOW_ABOVE_31_BIT,
6aa905cf 347 'utf8', 0x800000000,
b3169593 348 7,
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349 ],
350 [ "requires at least 32 bits",
351 I8_to_native(
352 "\xff\xa0\xa0\xa0\xa0\xa1\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0"),
b7e1f4b2 353 $::UTF8_DISALLOW_ABOVE_31_BIT,
6aa905cf 354 'utf8', 0x10000000000,
b3169593 355 6,
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356 ],
357 [ "requires at least 32 bits",
358 I8_to_native(
359 "\xff\xa0\xa0\xa0\xa1\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0"),
b7e1f4b2 360 $::UTF8_DISALLOW_ABOVE_31_BIT,
6aa905cf 361 'utf8', 0x200000000000,
b3169593 362 5,
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363 ],
364 [ "requires at least 32 bits",
365 I8_to_native(
366 "\xff\xa0\xa0\xa1\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0"),
b7e1f4b2 367 $::UTF8_DISALLOW_ABOVE_31_BIT,
6aa905cf 368 'utf8', 0x4000000000000,
b3169593 369 4,
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370 ],
371 [ "requires at least 32 bits",
372 I8_to_native(
373 "\xff\xa0\xa1\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0"),
b7e1f4b2 374 $::UTF8_DISALLOW_ABOVE_31_BIT,
6aa905cf 375 'utf8', 0x80000000000000,
b3169593 376 3,
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377 ],
378 [ "requires at least 32 bits",
379 I8_to_native(
380 "\xff\xa1\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0"),
b7e1f4b2 381 $::UTF8_DISALLOW_ABOVE_31_BIT,
6aa905cf 382 'utf8', 0x1000000000000000,
b3169593 383 2,
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384 ];
385 }
386}
387
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388sub flags_to_text($$)
389{
390 my ($flags, $flags_to_text_ref) = @_;
391
392 # Returns a string containing a mnemonic representation of the bits that
393 # are set in the $flags. These are assumed to be flag bits. The return
394 # looks like "FOO|BAR|BAZ". The second parameter is a reference to an
395 # array that gives the textual representation of all the possible flags.
396 # Element 0 is the text for the bit 0 flag; element 1 for bit 1; .... If
397 # no bits at all are set the string "0" is returned;
398
399 my @flag_text;
400 my $shift = 0;
401
402 return "0" if $flags == 0;
403
404 while ($flags) {
405 #diag sprintf "%x", $flags;
406 if ($flags & 1) {
407 push @flag_text, $flags_to_text_ref->[$shift];
408 }
409 $shift++;
410 $flags >>= 1;
411 }
412
413 return join "|", @flag_text;
414}
415
416# Possible flag returns from utf8n_to_uvchr_error(). These should have G_,
417# instead of A_, D_, but the prefixes will be used in a a later commit, so
418# minimize churn by having them here.
419my @utf8n_flags_to_text = ( qw(
420 A_EMPTY
421 A_CONTINUATION
422 A_NON_CONTINUATION
423 A_SHORT
424 A_LONG
425 A_LONG_AND_ITS_VALUE
426 PLACEHOLDER
427 A_OVERFLOW
428 D_SURROGATE
429 W_SURROGATE
430 D_NONCHAR
431 W_NONCHAR
432 D_SUPER
433 W_SUPER
434 D_ABOVE_31_BIT
435 W_ABOVE_31_BIT
436 CHECK_ONLY
437 NO_CONFIDENCE_IN_CURLEN_
438 ) );
439
d884ea32
KW
440sub uvchr_display_call($)
441{
442 # Converts an eval string that calls test_uvchr_to_utf8 into a more human
443 # readable form, and returns it. The return will look something like:
444 # test_uvchr_to_utf8n_flags($uv, $flags)
445 #diag $_[0];
446
447 my @flags_to_text = ( qw(
448 W_SURROGATE
449 W_NONCHAR
450 W_SUPER
451 W_ABOVE_31_BIT
452 D_SURROGATE
453 D_NONCHAR
454 D_SUPER
455 D_ABOVE_31_BIT
456 ) );
457
458 $_[0] =~ / ^ ( [^(]* \( ) ( \d+ ) , \s* ( \d+ ) \) $ /x;
459 my $text = $1;
460 my $cp = sprintf "%X", $2;
461 my $flags = $3;
462
463 return "${text}0x$cp, " . flags_to_text($flags, \@flags_to_text) . ')';
464}
465
6aa905cf
KW
466# This test is split into this number of files.
467my $num_test_files = $ENV{TEST_JOBS} || 1;
468$num_test_files = 10 if $num_test_files > 10;
469
470my $test_count = -1;
471foreach my $test (@tests) {
472 $test_count++;
473 next if $test_count % $num_test_files != $::TEST_CHUNK;
474
b7e1f4b2 475 my ($testname, $bytes, $disallow_flags,
9cdc3054 476 $controlling_warning_category, $allowed_uv, $needed_to_discern_len
6aa905cf
KW
477 ) = @$test;
478
479 my $length = length $bytes;
04f42bf6 480 my $will_overflow = $allowed_uv < 0;
6aa905cf 481
b7e1f4b2
KW
482 # The convention is that the got flag is the same value as the disallow
483 # one, and the warn flag is the next bit over. If this were violated, the
484 # tests here should start failing. We could do an eval under no strict to
485 # be sure.
486 my $expected_error_flags = $disallow_flags;
487 my $warn_flags = $disallow_flags << 1;
488
3022ad00
KW
489 my $message;
490 if ($allowed_uv > 0x7FFFFFFF) {
491 $message = nonportable_regex($allowed_uv);
492 }
493 elsif ($allowed_uv > 0x10FFFF) {
494 $message = qr/(not Unicode|for a non-Unicode code point).* may not be portable/;
495 }
496 elsif ($allowed_uv >= 0xD800 && $allowed_uv <= 0xDFFF) {
497 $message = qr/surrogate/;
67e45424 498 $needed_to_discern_len = 2 unless defined $needed_to_discern_len;
3022ad00
KW
499 }
500 elsif ( ($allowed_uv >= 0xFDD0 && $allowed_uv <= 0xFDEF)
501 || ($allowed_uv & 0xFFFE) == 0xFFFE)
502 {
503 $message = qr/Unicode non-character.*is not recommended for open interchange/;
67e45424 504 $needed_to_discern_len = $length unless defined $needed_to_discern_len;
3022ad00
KW
505 }
506 elsif ($will_overflow) {
507 $message = qr/overflows/;
508 }
509 else {
510 die "Can't figure out what type of warning to test for $testname"
511 }
512
67e45424
KW
513 die 'Didn\'t set $needed_to_discern_len for ' . $testname
514 unless defined $needed_to_discern_len;
515
6aa905cf
KW
516 {
517 use warnings;
9cdc3054 518 undef @warnings_gotten;
6aa905cf
KW
519 my $ret = test_isUTF8_CHAR($bytes, $length);
520 my $ret_flags = test_isUTF8_CHAR_flags($bytes, $length, 0);
521 if ($will_overflow) {
522 is($ret, 0, "isUTF8_CHAR() $testname: returns 0");
523 is($ret_flags, 0, "isUTF8_CHAR_flags() $testname: returns 0");
524 }
525 else {
526 is($ret, $length,
527 "isUTF8_CHAR() $testname: returns expected length: $length");
528 is($ret_flags, $length, "isUTF8_CHAR_flags(...,0) $testname:"
529 . " returns expected length: $length");
530 }
9cdc3054 531 is(scalar @warnings_gotten, 0,
6aa905cf
KW
532 "isUTF8_CHAR() and isUTF8_CHAR()_flags $testname: generated"
533 . " no warnings")
9cdc3054 534 or output_warnings(@warnings_gotten);
6aa905cf 535
9cdc3054 536 undef @warnings_gotten;
6aa905cf
KW
537 $ret = test_isSTRICT_UTF8_CHAR($bytes, $length);
538 if ($will_overflow) {
539 is($ret, 0, "isSTRICT_UTF8_CHAR() $testname: returns 0");
540 }
541 else {
542 my $expected_ret = ( $testname =~ /surrogate|non-character/
543 || $allowed_uv > 0x10FFFF)
544 ? 0
545 : $length;
546 is($ret, $expected_ret, "isSTRICT_UTF8_CHAR() $testname: returns"
547 . " expected length: $expected_ret");
548 $ret = test_isUTF8_CHAR_flags($bytes, $length,
549 $::UTF8_DISALLOW_ILLEGAL_INTERCHANGE);
550 is($ret, $expected_ret,
551 "isUTF8_CHAR_flags('DISALLOW_ILLEGAL_INTERCHANGE')"
552 . " acts like isSTRICT_UTF8_CHAR");
553 }
9cdc3054 554 is(scalar @warnings_gotten, 0,
6aa905cf
KW
555 "isSTRICT_UTF8_CHAR() and isUTF8_CHAR_flags $testname:"
556 . " generated no warnings")
9cdc3054 557 or output_warnings(@warnings_gotten);
6aa905cf 558
9cdc3054 559 undef @warnings_gotten;
6aa905cf
KW
560 $ret = test_isC9_STRICT_UTF8_CHAR($bytes, $length);
561 if ($will_overflow) {
562 is($ret, 0, "isC9_STRICT_UTF8_CHAR() $testname: returns 0");
563 }
564 else {
565 my $expected_ret = ( $testname =~ /surrogate/
566 || $allowed_uv > 0x10FFFF)
567 ? 0
568 : $length;
569 is($ret, $expected_ret, "isC9_STRICT_UTF8_CHAR() $testname:"
570 ." returns expected length: $expected_ret");
571 $ret = test_isUTF8_CHAR_flags($bytes, $length,
572 $::UTF8_DISALLOW_ILLEGAL_C9_INTERCHANGE);
573 is($ret, $expected_ret,
574 "isUTF8_CHAR_flags('DISALLOW_ILLEGAL_C9_INTERCHANGE')"
575 . " acts like isC9_STRICT_UTF8_CHAR");
576 }
9cdc3054 577 is(scalar @warnings_gotten, 0,
6aa905cf
KW
578 "isC9_STRICT_UTF8_CHAR() and isUTF8_CHAR_flags $testname:"
579 . " generated no warnings")
9cdc3054 580 or output_warnings(@warnings_gotten);
6aa905cf
KW
581
582 # Test partial character handling, for each byte not a full character
583 for my $j (1.. $length - 1) {
584
585 # Skip the test for the interaction between overflow and above-31
586 # bit. It is really testing other things than the partial
587 # character tests, for which other tests in this file are
588 # sufficient
04f42bf6 589 last if $will_overflow;
6aa905cf
KW
590
591 foreach my $disallow_flag (0, $disallow_flags) {
592 my $partial = substr($bytes, 0, $j);
593 my $ret_should_be;
594 my $comment;
595 if ($disallow_flag) {
596 $ret_should_be = 0;
597 $comment = "disallowed";
598 if ($j < $needed_to_discern_len) {
599 $ret_should_be = 1;
600 $comment .= ", but need $needed_to_discern_len bytes"
601 . " to discern:";
602 }
603 }
604 else {
605 $ret_should_be = 1;
606 $comment = "allowed";
607 }
608
9cdc3054 609 undef @warnings_gotten;
6aa905cf
KW
610
611 $ret = test_is_utf8_valid_partial_char_flags($partial, $j,
612 $disallow_flag);
613 is($ret, $ret_should_be,
614 "$testname: is_utf8_valid_partial_char_flags("
615 . display_bytes($partial)
616 . "), $comment: returns $ret_should_be");
9cdc3054 617 is(scalar @warnings_gotten, 0,
6aa905cf
KW
618 "$testname: is_utf8_valid_partial_char_flags()"
619 . " generated no warnings")
9cdc3054 620 or output_warnings(@warnings_gotten);
6aa905cf
KW
621 }
622 }
623 }
624
625 # This is more complicated than the malformations tested earlier, as there
626 # are several orthogonal variables involved. We test all the subclasses
627 # of utf8 warnings to verify they work with and without the utf8 class,
628 # and don't have effects on other sublass warnings
9cdc3054 629 foreach my $trial_warning_category ('utf8', 'surrogate', 'nonchar', 'non_unicode') {
6aa905cf
KW
630 foreach my $warn_flag (0, $warn_flags) {
631 foreach my $disallow_flag (0, $disallow_flags) {
632 foreach my $do_warning (0, 1) {
633
634 # We try each of the above with various combinations of
635 # malformations that can occur on the same input sequence.
636 foreach my $short ("", "short") {
637 foreach my $unexpected_noncont ("",
638 "unexpected non-continuation")
639 {
640 foreach my $overlong ("", "overlong") {
641
b3169593
KW
642 # If we're creating an overlong, it can't be longer than
643 # the maximum length, so skip if we're already at that
644 # length.
645 next if $overlong && $length >= $::max_bytes;
6aa905cf
KW
646
647 my @malformations;
9cdc3054 648 my @expected_return_flags;
6aa905cf
KW
649 push @malformations, $short if $short;
650 push @malformations, $unexpected_noncont
651 if $unexpected_noncont;
652 push @malformations, $overlong if $overlong;
653
654 # The overflow malformation test in the input
655 # array is coerced into being treated like one of
656 # the others.
657 if ($will_overflow) {
658 push @malformations, 'overflow';
9cdc3054 659 push @expected_return_flags, $::UTF8_GOT_OVERFLOW;
6aa905cf
KW
660 }
661
662 my $malformations_name = join "/", @malformations;
663 $malformations_name .= " malformation"
664 if $malformations_name;
665 $malformations_name .= "s" if @malformations > 1;
666 my $this_bytes = $bytes;
667 my $this_length = $length;
668 my $expected_uv = $allowed_uv;
b3169593 669 my $this_expected_len = $length;
6aa905cf
KW
670 my $this_needed_to_discern_len = $needed_to_discern_len;
671 if ($malformations_name) {
672 $expected_uv = 0;
673
674 # Coerce the input into the desired
675 # malformation
676 if ($malformations_name =~ /overlong/) {
677
678 # For an overlong, we convert the original
679 # start byte into a continuation byte with
680 # the same data bits as originally. ...
681 substr($this_bytes, 0, 1)
682 = start_byte_to_cont(substr($this_bytes,
683 0, 1));
684
685 # ... Then we prepend it with a known
686 # overlong sequence. This should evaluate
687 # to the exact same code point as the
688 # original.
689 $this_bytes
690 = I8_to_native("\xff")
dbb8d798 691 . (I8_to_native(chr $::lowest_continuation)
6aa905cf
KW
692 x ( $::max_bytes - 1 - length($this_bytes)))
693 . $this_bytes;
694 $this_length = length($this_bytes);
695 $this_needed_to_discern_len
696 = $::max_bytes - ($this_expected_len
697 - $this_needed_to_discern_len);
698 $this_expected_len = $::max_bytes;
9cdc3054 699 push @expected_return_flags, $::UTF8_GOT_LONG;
6aa905cf
KW
700 }
701 if ($malformations_name =~ /short/) {
702
703 # Just tell the test to not look far
704 # enough into the input.
705 $this_length--;
706 $this_expected_len--;
9cdc3054 707 push @expected_return_flags, $::UTF8_GOT_SHORT;
6aa905cf
KW
708 }
709 if ($malformations_name
710 =~ /non-continuation/)
711 {
712 # Change the final continuation byte into
713 # a non one.
714 my $pos = ($short) ? -2 : -1;
715 substr($this_bytes, $pos, 1) = '?';
716 $this_expected_len--;
9cdc3054 717 push @expected_return_flags,
6aa905cf
KW
718 $::UTF8_GOT_NON_CONTINUATION;
719 }
720 }
721
722 my $eval_warn = $do_warning
9cdc3054
KW
723 ? "use warnings '$trial_warning_category'"
724 : $trial_warning_category eq "utf8"
6aa905cf
KW
725 ? "no warnings 'utf8'"
726 : ( "use warnings 'utf8';"
9cdc3054 727 . " no warnings '$trial_warning_category'");
6aa905cf
KW
728
729 # Is effectively disallowed if we've set up a
730 # malformation, even if the flag indicates it is
731 # allowed. Fix up test name to indicate this as
732 # well
733 my $disallowed = $disallow_flag
734 || $malformations_name;
735 my $this_name = "utf8n_to_uvchr_error() $testname: "
736 . (($disallow_flag)
737 ? 'disallowed'
738 : $disallowed
739 ? $disallowed
740 : 'allowed');
741 $this_name .= ", $eval_warn";
742 $this_name .= ", " . (($warn_flag)
743 ? 'with warning flag'
744 : 'no warning flag');
745
9cdc3054 746 undef @warnings_gotten;
6aa905cf
KW
747 my $ret_ref;
748 my $display_bytes = display_bytes($this_bytes);
749 my $call = " Call was: $eval_warn; \$ret_ref"
750 . " = test_utf8n_to_uvchr_error("
751 . "'$display_bytes', $this_length,"
752 . "$warn_flag"
753 . "|$disallow_flag)";
754 my $eval_text = "$eval_warn; \$ret_ref"
755 . " = test_utf8n_to_uvchr_error("
756 . "'$this_bytes',"
757 . " $this_length, $warn_flag"
758 . "|$disallow_flag)";
759 eval "$eval_text";
760 if (! ok ("$@ eq ''",
761 "$this_name: eval succeeded"))
762 {
763 diag "\$!='$!'; eval'd=\"$call\"";
764 next;
765 }
766 if ($disallowed) {
767 is($ret_ref->[0], 0, "$this_name: Returns 0")
768 or diag $call;
769 }
770 else {
771 is($ret_ref->[0], $expected_uv,
772 "$this_name: Returns expected uv: "
773 . sprintf("0x%04X", $expected_uv))
774 or diag $call;
775 }
776 is($ret_ref->[1], $this_expected_len,
777 "$this_name: Returns expected length:"
778 . " $this_expected_len")
779 or diag $call;
780
9cdc3054 781 my $returned_flags = $ret_ref->[2];
6aa905cf 782
9cdc3054
KW
783 for (my $i = @expected_return_flags - 1; $i >= 0; $i--) {
784 if (ok($expected_return_flags[$i] & $returned_flags,
6aa905cf
KW
785 "Expected and got error bit return"
786 . " for $malformations[$i] malformation"))
787 {
9cdc3054 788 $returned_flags &= ~$expected_return_flags[$i];
6aa905cf 789 }
9cdc3054 790 splice @expected_return_flags, $i, 1;
6aa905cf 791 }
9cdc3054 792 is(scalar @expected_return_flags, 0,
6aa905cf 793 "Got all the expected malformation errors")
9cdc3054 794 or diag Dumper \@expected_return_flags;
6aa905cf
KW
795
796 if ( $this_expected_len >= $this_needed_to_discern_len
797 && ($warn_flag || $disallow_flag))
798 {
9cdc3054 799 is($returned_flags, $expected_error_flags,
6aa905cf
KW
800 "Got the correct error flag")
801 or diag $call;
802 }
803 else {
5722c46d
KW
804 is($returned_flags, 0, "Got no other error flag")
805 or
806
807 # We strip off any prefixes from the flag names
808 diag "The unexpected flags were: "
809 . (flags_to_text($returned_flags,
810 \@utf8n_flags_to_text)
811 =~ s/ \b [A-Z] _ //xgr);
6aa905cf
KW
812 }
813
814 if (@malformations) {
9cdc3054 815 if (! $do_warning && $trial_warning_category eq 'utf8') {
6aa905cf
KW
816 goto no_warnings_expected;
817 }
818
819 # Check that each malformation generates a
820 # warning, removing that warning if found
821 MALFORMATION:
822 foreach my $malformation (@malformations) {
9cdc3054
KW
823 foreach (my $i = 0; $i < @warnings_gotten; $i++) {
824 if ($warnings_gotten[$i] =~ /$malformation/) {
6aa905cf
KW
825 pass("Expected and got"
826 . "'$malformation' warning");
9cdc3054 827 splice @warnings_gotten, $i, 1;
6aa905cf
KW
828 next MALFORMATION;
829 }
830 }
831 fail("Expected '$malformation' warning"
832 . " but didn't get it");
833
834 }
835 }
836
837 # Any overflow will override any super or above-31
838 # warnings.
839 goto no_warnings_expected
840 if $will_overflow || $this_expected_len
841 < $this_needed_to_discern_len;
842
843 if ( ! $do_warning
9cdc3054
KW
844 && ( $trial_warning_category eq 'utf8'
845 || $trial_warning_category eq $controlling_warning_category))
6aa905cf
KW
846 {
847 goto no_warnings_expected;
848 }
849 elsif ($warn_flag) {
9cdc3054 850 if (is(scalar @warnings_gotten, 1,
6aa905cf
KW
851 "$this_name: Got a single warning "))
852 {
9cdc3054 853 like($warnings_gotten[0], $message,
6aa905cf
KW
854 "$this_name: Got expected warning")
855 or diag $call;
856 }
857 else {
858 diag $call;
9cdc3054
KW
859 if (scalar @warnings_gotten) {
860 output_warnings(@warnings_gotten);
6aa905cf
KW
861 }
862 }
863 }
864 else {
9cdc3054 865
6aa905cf 866 no_warnings_expected:
9cdc3054 867 unless (is(scalar @warnings_gotten, 0,
6aa905cf
KW
868 "$this_name: Got no warnings"))
869 {
870 diag $call;
9cdc3054 871 output_warnings(@warnings_gotten);
6aa905cf
KW
872 }
873 }
874
875 # Check CHECK_ONLY results when the input is
876 # disallowed. Do this when actually disallowed,
877 # not just when the $disallow_flag is set
878 if ($disallowed) {
9cdc3054 879 undef @warnings_gotten;
6aa905cf
KW
880 $ret_ref = test_utf8n_to_uvchr_error(
881 $this_bytes, $this_length,
882 $disallow_flag|$::UTF8_CHECK_ONLY);
883 is($ret_ref->[0], 0,
884 "$this_name, CHECK_ONLY: Returns 0")
885 or diag $call;
886 is($ret_ref->[1], -1,
887 "$this_name: CHECK_ONLY: returns -1 for length")
888 or diag $call;
9cdc3054 889 if (! is(scalar @warnings_gotten, 0,
6aa905cf
KW
890 "$this_name, CHECK_ONLY: no warnings"
891 . " generated"))
892 {
893 diag $call;
9cdc3054 894 output_warnings(@warnings_gotten);
6aa905cf
KW
895 }
896 }
897
898 # Now repeat some of the above, but for
899 # uvchr_to_utf8_flags(). Since this comes from an
900 # existing code point, it hasn't overflowed, and
901 # isn't malformed.
902 next if @malformations;
903
904 # The warning and disallow flags passed in are for
905 # utf8n_to_uvchr_error(). Convert them for
906 # uvchr_to_utf8_flags().
907 my $uvchr_warn_flag = 0;
908 my $uvchr_disallow_flag = 0;
909 if ($warn_flag) {
910 if ($warn_flag == $::UTF8_WARN_SURROGATE) {
911 $uvchr_warn_flag = $::UNICODE_WARN_SURROGATE
912 }
913 elsif ($warn_flag == $::UTF8_WARN_NONCHAR) {
914 $uvchr_warn_flag = $::UNICODE_WARN_NONCHAR
915 }
916 elsif ($warn_flag == $::UTF8_WARN_SUPER) {
917 $uvchr_warn_flag = $::UNICODE_WARN_SUPER
918 }
919 elsif ($warn_flag == $::UTF8_WARN_ABOVE_31_BIT) {
920 $uvchr_warn_flag
921 = $::UNICODE_WARN_ABOVE_31_BIT;
922 }
923 else {
924 fail(sprintf "Unexpected warn flag: %x",
925 $warn_flag);
926 next;
927 }
928 }
929 if ($disallow_flag) {
930 if ($disallow_flag == $::UTF8_DISALLOW_SURROGATE)
931 {
932 $uvchr_disallow_flag
933 = $::UNICODE_DISALLOW_SURROGATE;
934 }
935 elsif ($disallow_flag == $::UTF8_DISALLOW_NONCHAR)
936 {
937 $uvchr_disallow_flag
938 = $::UNICODE_DISALLOW_NONCHAR;
939 }
940 elsif ($disallow_flag == $::UTF8_DISALLOW_SUPER) {
941 $uvchr_disallow_flag
942 = $::UNICODE_DISALLOW_SUPER;
943 }
944 elsif ($disallow_flag
945 == $::UTF8_DISALLOW_ABOVE_31_BIT)
946 {
947 $uvchr_disallow_flag =
948 $::UNICODE_DISALLOW_ABOVE_31_BIT;
949 }
950 else {
951 fail(sprintf "Unexpected disallow flag: %x",
952 $disallow_flag);
953 next;
954 }
955 }
956
957 $disallowed = $uvchr_disallow_flag;
958
959 $this_name = "uvchr_to_utf8_flags() $testname: "
960 . (($uvchr_disallow_flag)
961 ? 'disallowed'
962 : ($disallowed)
963 ? 'ABOVE_31_BIT allowed'
964 : 'allowed');
965 $this_name .= ", $eval_warn";
966 $this_name .= ", " . (($uvchr_warn_flag)
967 ? 'with warning flag'
968 : 'no warning flag');
969
9cdc3054 970 undef @warnings_gotten;
6aa905cf 971 my $ret;
d884ea32 972 my $this_flags = $uvchr_warn_flag | $uvchr_disallow_flag;
6aa905cf
KW
973 $eval_text = "$eval_warn; \$ret ="
974 . " test_uvchr_to_utf8_flags("
d884ea32 975 . "$allowed_uv, $this_flags)";
6aa905cf
KW
976 eval "$eval_text";
977 if (! ok ("$@ eq ''", "$this_name: eval succeeded"))
978 {
d884ea32
KW
979 diag "\$@='$@'; call was: "
980 . uvchr_display_call($eval_text);
6aa905cf
KW
981 next;
982 }
983 if ($disallowed) {
984 is($ret, undef, "$this_name: Returns undef")
d884ea32 985 or diag "Call was: " . uvchr_display_call($eval_text);
6aa905cf
KW
986 }
987 else {
d884ea32
KW
988 is($ret, $this_bytes, "$this_name: Returns expected string")
989 or diag "Call was: " . uvchr_display_call($eval_text);
6aa905cf
KW
990 }
991 if (! $do_warning
9cdc3054 992 && ($trial_warning_category eq 'utf8' || $trial_warning_category eq $controlling_warning_category))
6aa905cf 993 {
9cdc3054 994 if (!is(scalar @warnings_gotten, 0,
6aa905cf
KW
995 "$this_name: No warnings generated"))
996 {
d884ea32 997 diag "Call was: " . uvchr_display_call($eval_text);
9cdc3054 998 output_warnings(@warnings_gotten);
6aa905cf
KW
999 }
1000 }
1001 elsif ( $uvchr_warn_flag
9cdc3054
KW
1002 && ( $trial_warning_category eq 'utf8'
1003 || $trial_warning_category eq $controlling_warning_category))
6aa905cf 1004 {
9cdc3054 1005 if (is(scalar @warnings_gotten, 1,
6aa905cf
KW
1006 "$this_name: Got a single warning "))
1007 {
9cdc3054 1008 like($warnings_gotten[0], $message,
6aa905cf 1009 "$this_name: Got expected warning")
d884ea32
KW
1010 or diag "Call was: "
1011 . uvchr_display_call($eval_text);
6aa905cf
KW
1012 }
1013 else {
d884ea32 1014 diag "Call was: " . uvchr_display_call($eval_text);
9cdc3054
KW
1015 output_warnings(@warnings_gotten)
1016 if scalar @warnings_gotten;
6aa905cf
KW
1017 }
1018 }
1019 }
1020 }
1021 }
1022 }
1023 }
1024 }
1025 }
1026}
1027
1028done_testing;