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1 | #!./perl |
2 | |
3 | BEGIN { |
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4 | if ($ENV{PERL_CORE}){ |
5 | chdir('t') if -d 't'; |
6 | @INC = ('.', '../lib'); |
7 | } else { |
8 | unshift @INC, 't'; |
9 | push @INC, "../../t"; |
10 | } |
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11 | require Config; |
12 | if (($Config::Config{'extensions'} !~ /\bB\b/) ){ |
13 | print "1..0 # Skip -- Perl configured without B module\n"; |
14 | exit 0; |
15 | } |
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16 | require 'test.pl'; |
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17 | } |
18 | |
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19 | plan tests => 142; |
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20 | |
21 | require_ok("B::Concise"); |
22 | |
23 | $out = runperl(switches => ["-MO=Concise"], prog => '$a', stderr => 1); |
24 | |
25 | # If either of the next two tests fail, it probably means you need to |
26 | # fix the section labeled 'fragile kludge' in Concise.pm |
27 | |
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28 | ($op_base) = ($out =~ /^(\d+)\s*<0>\s*enter/m); |
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29 | |
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30 | is($op_base, 1, "Smallest OP sequence number"); |
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31 | |
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32 | ($op_base_p1, $cop_base) |
33 | = ($out =~ /^(\d+)\s*<;>\s*nextstate\(main (-?\d+) /m); |
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34 | |
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35 | is($op_base_p1, 2, "Second-smallest OP sequence number"); |
36 | |
37 | is($cop_base, 1, "Smallest COP sequence number"); |
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38 | |
39 | # test that with -exec B::Concise navigates past logops (bug #18175) |
40 | |
41 | $out = runperl( |
42 | switches => ["-MO=Concise,-exec"], |
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43 | prog => q{$a=$b && print q/foo/}, |
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44 | stderr => 1, |
45 | ); |
46 | |
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47 | like($out, qr/print/, "'-exec' option output has print opcode"); |
48 | |
49 | ######## API tests v.60 |
50 | |
51 | use Config; # used for perlio check |
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52 | B::Concise->import(qw( set_style set_style_standard add_callback |
53 | add_style walk_output reset_sequence )); |
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54 | |
55 | ## walk_output argument checking |
56 | |
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57 | # test that walk_output rejects non-HANDLE args |
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58 | foreach my $foo ("string", [], {}) { |
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59 | eval { walk_output($foo) }; |
60 | isnt ($@, '', "walk_output() rejects arg '$foo'"); |
61 | $@=''; # clear the fail for next test |
62 | } |
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63 | # test accessor mode when arg undefd or 0 |
64 | foreach my $foo (undef, 0) { |
65 | my $handle = walk_output($foo); |
66 | is ($handle, \*STDOUT, "walk_output set to STDOUT (default)"); |
67 | } |
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68 | |
69 | { # any object that can print should be ok for walk_output |
70 | package Hugo; |
71 | sub new { my $foo = bless {} }; |
72 | sub print { CORE::print @_ } |
73 | } |
74 | my $foo = new Hugo; # suggested this API fix |
75 | eval { walk_output($foo) }; |
76 | is ($@, '', "walk_output() accepts obj that can print"); |
77 | |
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78 | # test that walk_output accepts a HANDLE arg |
79 | SKIP: { |
80 | skip("no perlio in this build", 4) |
81 | unless $Config::Config{useperlio}; |
82 | |
83 | foreach my $foo (\*STDOUT, \*STDERR) { |
84 | eval { walk_output($foo) }; |
85 | is ($@, '', "walk_output() accepts STD* " . ref $foo); |
86 | } |
87 | |
88 | # now test a ref to scalar |
89 | eval { walk_output(\my $junk) }; |
90 | is ($@, '', "walk_output() accepts ref-to-sprintf target"); |
91 | |
92 | $junk = "non-empty"; |
93 | eval { walk_output(\$junk) }; |
94 | is ($@, '', "walk_output() accepts ref-to-non-empty-scalar"); |
95 | } |
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96 | |
97 | ## add_style |
98 | my @stylespec; |
99 | $@=''; |
100 | eval { add_style ('junk_B' => @stylespec) }; |
101 | like ($@, 'expecting 3 style-format args', |
102 | "add_style rejects insufficient args"); |
103 | |
104 | @stylespec = (0,0,0); # right length, invalid values |
105 | $@=''; |
106 | eval { add_style ('junk' => @stylespec) }; |
107 | is ($@, '', "add_style accepts: stylename => 3-arg-array"); |
108 | |
109 | $@=''; |
110 | eval { add_style (junk => @stylespec) }; |
111 | like ($@, qr/style 'junk' already exists, choose a new name/, |
112 | "add_style correctly disallows re-adding same style-name" ); |
113 | |
114 | # test new arg-checks on set_style |
115 | $@=''; |
116 | eval { set_style (@stylespec) }; |
117 | is ($@, '', "set_style accepts 3 style-format args"); |
118 | |
119 | @stylespec = (); # bad style |
120 | |
121 | eval { set_style (@stylespec) }; |
122 | like ($@, qr/expecting 3 style-format args/, |
123 | "set_style rejects bad style-format args"); |
124 | |
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125 | #### for content with doc'd options |
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126 | |
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127 | our($a, $b); |
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128 | my $func = sub{ $a = $b+42 }; # canonical example asub |
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129 | |
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130 | SKIP: { |
131 | # tests output to GLOB, using perlio feature directly |
132 | skip "no perlio on this build", 122 |
133 | unless $Config::Config{useperlio}; |
134 | |
135 | set_style_standard('concise'); # MUST CALL before output needed |
136 | |
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137 | @options = qw( |
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138 | -basic -exec -tree -compact -loose -vt -ascii |
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139 | -base10 -bigendian -littleendian |
140 | ); |
141 | foreach $opt (@options) { |
142 | walk_output(\my $out); |
143 | my $treegen = B::Concise::compile($opt, $func); |
144 | $treegen->(); |
145 | #print "foo:$out\n"; |
146 | isnt($out, '', "got output with option $opt"); |
147 | } |
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148 | |
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149 | ## test output control via walk_output |
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150 | |
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151 | my $treegen = B::Concise::compile('-basic', $func); # reused |
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152 | |
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153 | { # test output into a package global string (sprintf-ish) |
154 | our $thing; |
155 | walk_output(\$thing); |
156 | $treegen->(); |
157 | ok($thing, "walk_output to our SCALAR, output seen"); |
158 | } |
159 | |
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160 | # test walkoutput acceptance of a scalar-bound IO handle |
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161 | open (my $fh, '>', \my $buf); |
162 | walk_output($fh); |
163 | $treegen->(); |
164 | ok($buf, "walk_output to GLOB, output seen"); |
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165 | |
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166 | ## Test B::Concise::compile error checking |
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167 | |
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168 | # call compile on non-CODE ref items |
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169 | if (0) { |
170 | # pending STASH splaying |
171 | |
172 | foreach my $ref ([], {}) { |
173 | my $typ = ref $ref; |
174 | walk_output(\my $out); |
175 | eval { B::Concise::compile('-basic', $ref)->() }; |
176 | like ($@, qr/^err: not a coderef: $typ/, |
177 | "compile detects $typ-ref where expecting subref"); |
178 | # is($out,'', "no output when errd"); # announcement prints |
179 | } |
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180 | } |
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181 | |
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182 | # test against a bogus autovivified subref. |
183 | # in debugger, it should look like: |
184 | # 1 CODE(0x84840cc) |
185 | # -> &CODE(0x84840cc) in ??? |
186 | sub nosuchfunc; |
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187 | eval { B::Concise::compile('-basic', \&nosuchfunc)->() }; |
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188 | like ($@, qr/^err: coderef has no START/, |
189 | "compile detects CODE-ref w/o actual code"); |
190 | |
191 | foreach my $opt (qw( -concise -exec )) { |
192 | eval { B::Concise::compile($opt,'non_existent_function')->() }; |
193 | like ($@, qr/unknown function \(main::non_existent_function\)/, |
194 | "'$opt' reports non-existent-function properly"); |
195 | } |
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196 | |
197 | # v.62 tests |
198 | |
199 | pass ("TEST POST-COMPILE OPTION-HANDLING IN WALKER SUBROUTINE"); |
200 | |
201 | my $sample; |
202 | |
203 | my $walker = B::Concise::compile('-basic', $func); |
204 | walk_output(\$sample); |
205 | $walker->('-exec'); |
206 | like($sample, qr/goto/m, "post-compile -exec"); |
207 | |
208 | walk_output(\$sample); |
209 | $walker->('-basic'); |
210 | unlike($sample, qr/goto/m, "post-compile -basic"); |
211 | |
212 | |
213 | # bang at it combinatorically |
214 | my %combos; |
215 | my @modes = qw( -basic -exec ); |
216 | my @styles = qw( -concise -debug -linenoise -terse ); |
217 | |
218 | # prep samples |
219 | for $style (@styles) { |
220 | for $mode (@modes) { |
221 | walk_output(\$sample); |
222 | reset_sequence(); |
223 | $walker->($style, $mode); |
224 | $combos{"$style$mode"} = $sample; |
225 | } |
226 | } |
227 | # crosscheck that samples are all text-different |
228 | @list = sort keys %combos; |
229 | for $i (0..$#list) { |
230 | for $j ($i+1..$#list) { |
231 | isnt ($combos{$list[$i]}, $combos{$list[$j]}, |
232 | "combos for $list[$i] and $list[$j] are different, as expected"); |
233 | } |
234 | } |
235 | |
236 | # add samples with styles in different order |
237 | for $mode (@modes) { |
238 | for $style (@styles) { |
239 | reset_sequence(); |
240 | walk_output(\$sample); |
241 | $walker->($mode, $style); |
242 | $combos{"$mode$style"} = $sample; |
243 | } |
244 | } |
245 | # test commutativity of flags, ie that AB == BA |
246 | for $mode (@modes) { |
247 | for $style (@styles) { |
248 | is ( $combos{"$style$mode"}, |
249 | $combos{"$mode$style"}, |
250 | "results for $style$mode vs $mode$style are the same" ); |
251 | } |
252 | } |
253 | |
254 | my %save = %combos; |
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255 | %combos = (); # outputs for $mode=any($order) and any($style) |
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256 | |
257 | # add more samples with switching modes & sticky styles |
258 | for $style (@styles) { |
259 | walk_output(\$sample); |
260 | reset_sequence(); |
261 | $walker->($style); |
262 | for $mode (@modes) { |
263 | walk_output(\$sample); |
264 | reset_sequence(); |
265 | $walker->($mode); |
266 | $combos{"$style/$mode"} = $sample; |
267 | } |
268 | } |
269 | # crosscheck that samples are all text-different |
270 | @nm = sort keys %combos; |
271 | for $i (0..$#nm) { |
272 | for $j ($i+1..$#nm) { |
273 | isnt ($combos{$nm[$i]}, $combos{$nm[$j]}, |
274 | "results for $nm[$i] and $nm[$j] are different, as expected"); |
275 | } |
276 | } |
277 | |
278 | # add samples with switching styles & sticky modes |
279 | for $mode (@modes) { |
280 | walk_output(\$sample); |
281 | reset_sequence(); |
282 | $walker->($mode); |
283 | for $style (@styles) { |
284 | walk_output(\$sample); |
285 | reset_sequence(); |
286 | $walker->($style); |
287 | $combos{"$mode/$style"} = $sample; |
288 | } |
289 | } |
290 | # test commutativity of flags, ie that AB == BA |
291 | for $mode (@modes) { |
292 | for $style (@styles) { |
293 | is ( $combos{"$style/$mode"}, |
294 | $combos{"$mode/$style"}, |
295 | "results for $style/$mode vs $mode/$style are the same" ); |
296 | } |
297 | } |
298 | |
299 | |
300 | #now do double crosschecks: commutativity across stick / nostick |
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301 | %combos = (%combos, %save); |
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302 | |
303 | # test commutativity of flags, ie that AB == BA |
304 | for $mode (@modes) { |
305 | for $style (@styles) { |
306 | |
307 | is ( $combos{"$style$mode"}, |
308 | $combos{"$style/$mode"}, |
309 | "$style$mode VS $style/$mode are the same" ); |
310 | |
311 | is ( $combos{"$mode$style"}, |
312 | $combos{"$mode/$style"}, |
313 | "$mode$style VS $mode/$style are the same" ); |
314 | |
315 | is ( $combos{"$style$mode"}, |
316 | $combos{"$mode/$style"}, |
317 | "$style$mode VS $mode/$style are the same" ); |
318 | |
319 | is ( $combos{"$mode$style"}, |
320 | $combos{"$style/$mode"}, |
321 | "$mode$style VS $style/$mode are the same" ); |
322 | } |
323 | } |
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324 | } |
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325 | |
326 | __END__ |
327 | |