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