Commit | Line | Data |
---|---|---|
0e74ff8e JH |
1 | #!./perl -w |
2 | ||
3 | BEGIN { | |
4 | chdir 't' if -d 't'; | |
53aa2791 | 5 | @INC = ('../lib'); |
0e74ff8e JH |
6 | } |
7 | ||
8 | use warnings; | |
9 | use strict; | |
10 | use vars qw($foo $bar $baz $ballast); | |
9eba9e10 | 11 | use Test::More tests => 195; |
0e74ff8e JH |
12 | |
13 | use Benchmark qw(:all); | |
14 | ||
8a753380 | 15 | my $DELTA = 0.4; |
0e74ff8e JH |
16 | |
17 | # Some timing ballast | |
18 | sub fib { | |
19 | my $n = shift; | |
20 | return $n if $n < 2; | |
21 | fib($n-1) + fib($n-2); | |
22 | } | |
23 | $ballast = 15; | |
24 | ||
53aa2791 | 25 | my $All_Pattern = |
0e74ff8e | 26 | qr/(\d+) +wallclock secs? +\( *(-?\d+\.\d\d) +usr +(-?\d+\.\d\d) +sys +\+ +(-?\d+\.\d\d) +cusr +(-?\d+\.\d\d) +csys += +(-?\d+\.\d\d) +CPU\)/; |
53aa2791 | 27 | my $Noc_Pattern = |
0e74ff8e | 28 | qr/(\d+) +wallclock secs? +\( *(-?\d+\.\d\d) +usr +\+ +(-?\d+\.\d\d) +sys += +(-?\d+\.\d\d) +CPU\)/; |
53aa2791 | 29 | my $Nop_Pattern = |
0e74ff8e | 30 | qr/(\d+) +wallclock secs? +\( *(-?\d+\.\d\d) +cusr +\+ +(-?\d+\.\d\d) +csys += +\d+\.\d\d +CPU\)/; |
98dc9551 | 31 | # Please don't trust the matching parentheses to be useful in this :-) |
53aa2791 | 32 | my $Default_Pattern = qr/$All_Pattern|$Noc_Pattern/; |
0e74ff8e | 33 | |
8a753380 DM |
34 | # see if the ratio of two integer values is within (1+$delta) |
35 | ||
36 | sub cmp_delta { | |
37 | my ($min, $max, $delta) = @_; | |
38 | ($min, $max) = ($max, $min) if $max < $min; | |
39 | return 0 if $min < 1; # avoid / 0 | |
40 | return $max/$min <= (1+$delta); | |
41 | } | |
42 | ||
0e74ff8e JH |
43 | my $t0 = new Benchmark; |
44 | isa_ok ($t0, 'Benchmark', "Ensure we can create a benchmark object"); | |
45 | ||
46 | # We use the benchmark object once we've done some work: | |
47 | ||
48 | isa_ok(timeit(5, sub {++$foo}), 'Benchmark', "timeit CODEREF"); | |
49 | is ($foo, 5, "benchmarked code was run 5 times"); | |
50 | ||
51 | isa_ok(timeit(5, '++$bar'), 'Benchmark', "timeit eval"); | |
52 | is ($bar, 5, "benchmarked code was run 5 times"); | |
53 | ||
f265d4df AS |
54 | # is coderef called with spurious arguments? |
55 | timeit( 1, sub { $foo = @_ }); | |
56 | is ($foo, 0, "benchmarked code called without arguments"); | |
57 | ||
58 | ||
1ebabb47 | 59 | print "# Burning CPU to benchmark things; will take time...\n"; |
0e74ff8e JH |
60 | |
61 | # We need to do something fairly slow in the coderef. | |
62 | # Same coderef. Same place in memory. | |
63 | my $coderef = sub {$baz += fib($ballast)}; | |
64 | ||
65 | # The default is three. | |
66 | $baz = 0; | |
67 | my $threesecs = countit(0, $coderef); | |
68 | isa_ok($threesecs, 'Benchmark', "countit 0, CODEREF"); | |
69 | isnt ($baz, 0, "benchmarked code was run"); | |
70 | my $in_threesecs = $threesecs->iters; | |
d684718b | 71 | print "# in_threesecs=$in_threesecs iterations\n"; |
0e74ff8e | 72 | ok ($in_threesecs > 0, "iters returned positive iterations"); |
0d66b88d DM |
73 | my $cpu3 = $threesecs->[1]; # user |
74 | my $sys3 = $threesecs->[2]; # sys | |
75 | cmp_ok($cpu3+$sys3, '>=', 3.0, "3s cpu3 is at least 3s"); | |
bb6c6e4b DM |
76 | my $in_threesecs_adj = $in_threesecs; |
77 | $in_threesecs_adj *= (3/$cpu3); # adjust because may not have run for exactly 3s | |
78 | print "# in_threesecs_adj=$in_threesecs_adj adjusted iterations\n"; | |
0e74ff8e | 79 | |
58747404 | 80 | my $estimate = int (100 * $in_threesecs_adj / 3) / 100; |
0e74ff8e JH |
81 | print "# from the 3 second run estimate $estimate iterations in 1 second...\n"; |
82 | $baz = 0; | |
83 | my $onesec = countit(1, $coderef); | |
84 | isa_ok($onesec, 'Benchmark', "countit 1, CODEREF"); | |
85 | isnt ($baz, 0, "benchmarked code was run"); | |
86 | my $in_onesec = $onesec->iters; | |
d684718b | 87 | print "# in_onesec=$in_onesec iterations\n"; |
0e74ff8e | 88 | ok ($in_onesec > 0, "iters returned positive iterations"); |
0d66b88d DM |
89 | my $cpu1 = $onesec->[1]; # user |
90 | my $sys1 = $onesec->[2]; # sys | |
91 | cmp_ok($cpu1+$sys1, '>=', 1.0, "is cpu1 is at least 1s"); | |
bb6c6e4b DM |
92 | my $in_onesec_adj = $in_onesec; |
93 | $in_onesec_adj *= (1/$cpu1); # adjust because may not have run for exactly 1s | |
94 | print "# in_onesec_adj=$in_onesec_adj adjusted iterations\n"; | |
0e74ff8e | 95 | |
0e74ff8e JH |
96 | |
97 | # I found that the eval'ed version was 3 times faster than the coderef. | |
98 | # (now it has a different ballast value) | |
99 | $baz = 0; | |
100 | my $again = countit(1, '$baz += fib($ballast)'); | |
101 | isa_ok($onesec, 'Benchmark', "countit 1, eval"); | |
102 | isnt ($baz, 0, "benchmarked code was run"); | |
103 | my $in_again = $again->iters; | |
104 | print "# $in_again iterations\n"; | |
105 | ok ($in_again > 0, "iters returned positive iterations"); | |
106 | ||
107 | ||
108 | my $t1 = new Benchmark; | |
109 | isa_ok ($t1, 'Benchmark', "Create another benchmark object now we're finished"); | |
110 | ||
111 | my $diff = timediff ($t1, $t0); | |
112 | isa_ok ($diff, 'Benchmark', "Get the time difference"); | |
113 | isa_ok (timesum ($t0, $t1), 'Benchmark', "check timesum"); | |
114 | ||
115 | my $default = timestr ($diff); | |
116 | isnt ($default, '', 'timestr ($diff)'); | |
117 | my $auto = timestr ($diff, 'auto'); | |
118 | is ($auto, $default, 'timestr ($diff, "auto") matches timestr ($diff)'); | |
119 | ||
120 | { | |
121 | my $all = timestr ($diff, 'all'); | |
53aa2791 | 122 | like ($all, $All_Pattern, 'timestr ($diff, "all")'); |
0e74ff8e JH |
123 | print "# $all\n"; |
124 | ||
53aa2791 | 125 | my ($wallclock, $usr, $sys, $cusr, $csys, $cpu) = $all =~ $All_Pattern; |
0e74ff8e | 126 | |
98dc9551 | 127 | is (timestr ($diff, 'none'), '', "none suppresses output"); |
0e74ff8e JH |
128 | |
129 | my $noc = timestr ($diff, 'noc'); | |
bd9f0ebf | 130 | like ($noc, qr/$wallclock +wallclock secs? +\( *$usr +usr +\+ +$sys +sys += +\d+\.\d\d +CPU\)/, 'timestr ($diff, "noc")'); |
0e74ff8e JH |
131 | |
132 | my $nop = timestr ($diff, 'nop'); | |
133 | like ($nop, qr/$wallclock +wallclock secs? +\( *$cusr +cusr +\+ +$csys +csys += +\d+\.\d\d +CPU\)/, 'timestr ($diff, "nop")'); | |
134 | ||
135 | if ($auto eq $noc) { | |
136 | pass ('"auto" is "noc"'); | |
137 | } else { | |
138 | is ($auto, $all, '"auto" isn\'t "noc", so should be eq to "all"'); | |
139 | } | |
140 | ||
141 | like (timestr ($diff, 'all', 'E'), | |
142 | qr/(\d+) +wallclock secs? +\( *\d\.\d+E[-+]?\d\d\d? +usr +\d\.\d+E[-+]?\d\d\d? +sys +\+ +\d\.\d+E[-+]?\d\d\d? +cusr +\d\.\d+E[-+]?\d\d\d? +csys += +\d\.\d+E[-+]?\d\d\d? +CPU\)/, 'timestr ($diff, "all", "E") [sprintf format of "E"]'); | |
143 | } | |
144 | ||
145 | my $out = tie *OUT, 'TieOut'; | |
146 | ||
147 | my $iterations = 3; | |
148 | ||
149 | $foo = 0; | |
150 | select(OUT); | |
151 | my $got = timethis($iterations, sub {++$foo}); | |
152 | select(STDOUT); | |
153 | isa_ok($got, 'Benchmark', "timethis CODEREF"); | |
154 | is ($foo, $iterations, "benchmarked code was run $iterations times"); | |
155 | ||
156 | $got = $out->read(); | |
157 | like ($got, qr/^timethis $iterations/, 'default title'); | |
53aa2791 | 158 | like ($got, $Default_Pattern, 'default format is all or noc'); |
0e74ff8e JH |
159 | |
160 | $bar = 0; | |
161 | select(OUT); | |
162 | $got = timethis($iterations, '++$bar'); | |
163 | select(STDOUT); | |
164 | isa_ok($got, 'Benchmark', "timethis eval"); | |
165 | is ($bar, $iterations, "benchmarked code was run $iterations times"); | |
166 | ||
167 | $got = $out->read(); | |
168 | like ($got, qr/^timethis $iterations/, 'default title'); | |
53aa2791 | 169 | like ($got, $Default_Pattern, 'default format is all or noc'); |
0e74ff8e JH |
170 | |
171 | my $title = 'lies, damn lies and benchmarks'; | |
172 | $foo = 0; | |
173 | select(OUT); | |
174 | $got = timethis($iterations, sub {++$foo}, $title); | |
175 | select(STDOUT); | |
176 | isa_ok($got, 'Benchmark', "timethis with title"); | |
177 | is ($foo, $iterations, "benchmarked code was run $iterations times"); | |
178 | ||
179 | $got = $out->read(); | |
180 | like ($got, qr/^$title:/, 'specify title'); | |
53aa2791 | 181 | like ($got, $Default_Pattern, 'default format is all or noc'); |
0e74ff8e JH |
182 | |
183 | # default is auto, which is all or noc. nop can never match the default | |
184 | $foo = 0; | |
185 | select(OUT); | |
186 | $got = timethis($iterations, sub {++$foo}, $title, 'nop'); | |
187 | select(STDOUT); | |
188 | isa_ok($got, 'Benchmark', "timethis with format"); | |
189 | is ($foo, $iterations, "benchmarked code was run $iterations times"); | |
190 | ||
191 | $got = $out->read(); | |
192 | like ($got, qr/^$title:/, 'specify title'); | |
53aa2791 | 193 | like ($got, $Nop_Pattern, 'specify format as nop'); |
0e74ff8e JH |
194 | |
195 | { | |
196 | $foo = 0; | |
197 | select(OUT); | |
198 | my $start = time; | |
199 | $got = timethis(-2, sub {$foo+= fib($ballast)}, $title, 'none'); | |
200 | my $end = time; | |
201 | select(STDOUT); | |
202 | isa_ok($got, 'Benchmark', | |
203 | "timethis, at least 2 seconds with format 'none'"); | |
204 | ok ($foo > 0, "benchmarked code was run"); | |
205 | ok ($end - $start > 1, "benchmarked code ran for over 1 second"); | |
206 | ||
207 | $got = $out->read(); | |
208 | # Remove any warnings about having too few iterations. | |
209 | $got =~ s/\(warning:[^\)]+\)//gs; | |
210 | $got =~ s/^[ \t\n]+//s; # Remove all the whitespace from the beginning | |
211 | ||
212 | is ($got, '', "format 'none' should suppress output"); | |
213 | } | |
214 | ||
215 | $foo = $bar = $baz = 0; | |
216 | select(OUT); | |
217 | $got = timethese($iterations, { Foo => sub {++$foo}, Bar => '++$bar', | |
218 | Baz => sub {++$baz} }); | |
219 | select(STDOUT); | |
220 | is(ref ($got), 'HASH', "timethese should return a hashref"); | |
221 | isa_ok($got->{Foo}, 'Benchmark', "Foo value"); | |
222 | isa_ok($got->{Bar}, 'Benchmark', "Bar value"); | |
223 | isa_ok($got->{Baz}, 'Benchmark', "Baz value"); | |
224 | eq_set([keys %$got], [qw(Foo Bar Baz)], 'should be exactly three objects'); | |
225 | is ($foo, $iterations, "Foo code was run $iterations times"); | |
226 | is ($bar, $iterations, "Bar code was run $iterations times"); | |
227 | is ($baz, $iterations, "Baz code was run $iterations times"); | |
228 | ||
229 | $got = $out->read(); | |
230 | # Remove any warnings about having too few iterations. | |
231 | $got =~ s/\(warning:[^\)]+\)//gs; | |
232 | ||
233 | like ($got, qr/timing $iterations iterations of\s+Bar\W+Baz\W+Foo\W*?\.\.\./s, | |
234 | 'check title'); | |
235 | # Remove the title | |
236 | $got =~ s/.*\.\.\.//s; | |
237 | like ($got, qr/\bBar\b.*\bBaz\b.*\bFoo\b/s, 'check output is in sorted order'); | |
53aa2791 MS |
238 | like ($got, $Default_Pattern, 'should find default format somewhere'); |
239 | ||
240 | ||
241 | { # ensure 'use strict' does not leak from Benchmark.pm into benchmarked code | |
242 | no strict; | |
243 | select OUT; | |
244 | ||
245 | eval { | |
246 | timethese( 1, | |
247 | { undeclared_var => q{ $i++; $i-- }, | |
248 | symbolic_ref => q{ $bar = 42; | |
249 | $foo = 'bar'; | |
250 | $q = ${$foo} }, | |
251 | }, | |
252 | 'none' | |
253 | ); | |
254 | ||
255 | }; | |
256 | is( $@, '', q{no strict leakage in name => 'code'} ); | |
257 | ||
258 | eval { | |
259 | timethese( 1, | |
260 | { undeclared_var => sub { $i++; $i-- }, | |
261 | symbolic_ref => sub { $bar = 42; | |
262 | $foo = 'bar'; | |
263 | return ${$foo} }, | |
264 | }, | |
265 | 'none' | |
266 | ); | |
267 | }; | |
268 | is( $@, '', q{no strict leakage in name => sub { code }} ); | |
269 | ||
270 | # clear out buffer | |
271 | $out->read; | |
272 | } | |
273 | ||
0e74ff8e JH |
274 | |
275 | my $code_to_test = { Foo => sub {$foo+=fib($ballast-2)}, | |
276 | Bar => sub {$bar+=fib($ballast)}}; | |
277 | # Keep these for later. | |
278 | my $results; | |
279 | { | |
280 | $foo = $bar = 0; | |
281 | select(OUT); | |
282 | my $start = times; | |
283 | $results = timethese(-0.1, $code_to_test, 'none'); | |
284 | my $end = times; | |
285 | select(STDOUT); | |
286 | ||
287 | is(ref ($results), 'HASH', "timethese should return a hashref"); | |
288 | isa_ok($results->{Foo}, 'Benchmark', "Foo value"); | |
289 | isa_ok($results->{Bar}, 'Benchmark', "Bar value"); | |
290 | eq_set([keys %$results], [qw(Foo Bar)], 'should be exactly two objects'); | |
291 | ok ($foo > 0, "Foo code was run"); | |
292 | ok ($bar > 0, "Bar code was run"); | |
293 | ||
294 | ok (($end - $start) > 0.1, "benchmarked code ran for over 0.1 seconds"); | |
295 | ||
296 | $got = $out->read(); | |
297 | # Remove any warnings about having too few iterations. | |
298 | $got =~ s/\(warning:[^\)]+\)//gs; | |
299 | is ($got =~ tr/ \t\n//c, 0, "format 'none' should suppress output"); | |
300 | } | |
301 | my $graph_dissassembly = | |
302 | qr!^[ \t]+(\S+)[ \t]+(\w+)[ \t]+(\w+)[ \t]* # Title line | |
303 | \n[ \t]*(\w+)[ \t]+([0-9.]+(?:/s)?)[ \t]+(-+)[ \t]+(-?\d+%)[ \t]* | |
304 | \n[ \t]*(\w+)[ \t]+([0-9.]+(?:/s)?)[ \t]+(-?\d+%)[ \t]+(-+)[ \t]*$!xm; | |
305 | ||
306 | sub check_graph_consistency { | |
307 | my ( $ratetext, $slowc, $fastc, | |
308 | $slowr, $slowratet, $slowslow, $slowfastt, | |
309 | $fastr, $fastratet, $fastslowt, $fastfast) | |
310 | = @_; | |
ca55f232 | 311 | note("calling check_graph_consistency from line " . (caller(1))[2]); |
23c50b23 NC |
312 | my $all_passed = 1; |
313 | $all_passed | |
314 | &= is ($slowc, $slowr, "left col tag should be top row tag"); | |
315 | $all_passed | |
316 | &= is ($fastc, $fastr, "right col tag should be bottom row tag"); | |
317 | $all_passed &= | |
318 | like ($slowslow, qr/^-+/, "should be dash for comparing slow with slow"); | |
319 | $all_passed | |
320 | &= is ($slowslow, $fastfast, "slow v slow should be same as fast v fast"); | |
0e74ff8e JH |
321 | my $slowrate = $slowratet; |
322 | my $fastrate = $fastratet; | |
323 | my ($slow_is_rate, $fast_is_rate); | |
324 | unless ($slow_is_rate = $slowrate =~ s!/s!!) { | |
325 | # Slow is expressed as iters per second. | |
326 | $slowrate = 1/$slowrate if $slowrate; | |
327 | } | |
328 | unless ($fast_is_rate = $fastrate =~ s!/s!!) { | |
329 | # Fast is expressed as iters per second. | |
330 | $fastrate = 1/$fastrate if $fastrate; | |
331 | } | |
332 | if ($ratetext =~ /rate/i) { | |
23c50b23 NC |
333 | $all_passed |
334 | &= ok ($slow_is_rate, "slow should be expressed as a rate"); | |
335 | $all_passed | |
336 | &= ok ($fast_is_rate, "fast should be expressed as a rate"); | |
0e74ff8e | 337 | } else { |
23c50b23 NC |
338 | $all_passed &= |
339 | ok (!$slow_is_rate, "slow should be expressed as a iters per second"); | |
340 | $all_passed &= | |
341 | ok (!$fast_is_rate, "fast should be expressed as a iters per second"); | |
0e74ff8e JH |
342 | } |
343 | ||
344 | (my $slowfast = $slowfastt) =~ s!%!!; | |
345 | (my $fastslow = $fastslowt) =~ s!%!!; | |
346 | if ($slowrate < $fastrate) { | |
347 | pass ("slow rate is less than fast rate"); | |
07e88136 JH |
348 | unless (ok ($slowfast <= 0 && $slowfast >= -100, |
349 | "slowfast should be less than or equal to zero, and >= -100")) { | |
2d684b7a | 350 | print STDERR "# slowfast $slowfast\n"; |
23c50b23 NC |
351 | $all_passed = 0; |
352 | } | |
353 | unless (ok ($fastslow > 0, "fastslow should be > 0")) { | |
e5967bfd | 354 | print STDERR "# fastslow $fastslow\n"; |
23c50b23 NC |
355 | $all_passed = 0; |
356 | } | |
0e74ff8e | 357 | } else { |
23c50b23 NC |
358 | $all_passed |
359 | &= is ($slowrate, $fastrate, | |
360 | "slow rate isn't less than fast rate, so should be the same"); | |
620b59a5 JH |
361 | # In OpenBSD the $slowfast is sometimes a really, really, really |
362 | # small number less than zero, and this gets stringified as -0. | |
23c50b23 | 363 | $all_passed |
620b59a5 | 364 | &= like ($slowfast, qr/^-?0$/, "slowfast should be zero"); |
23c50b23 | 365 | $all_passed |
620b59a5 | 366 | &= like ($fastslow, qr/^-?0$/, "fastslow should be zero"); |
0e74ff8e | 367 | } |
23c50b23 | 368 | return $all_passed; |
0e74ff8e JH |
369 | } |
370 | ||
371 | sub check_graph_vs_output { | |
372 | my ($chart, $got) = @_; | |
373 | my ( $ratetext, $slowc, $fastc, | |
374 | $slowr, $slowratet, $slowslow, $slowfastt, | |
375 | $fastr, $fastratet, $fastslowt, $fastfast) | |
376 | = $got =~ $graph_dissassembly; | |
23c50b23 NC |
377 | my $all_passed |
378 | = check_graph_consistency ( $ratetext, $slowc, $fastc, | |
379 | $slowr, $slowratet, $slowslow, $slowfastt, | |
380 | $fastr, $fastratet, $fastslowt, $fastfast); | |
381 | $all_passed | |
382 | &= is_deeply ($chart, [['', $ratetext, $slowc, $fastc], | |
383 | [$slowr, $slowratet, $slowslow, $slowfastt], | |
384 | [$fastr, $fastratet, $fastslowt, $fastfast]], | |
385 | "check the chart layout matches the formatted output"); | |
386 | unless ($all_passed) { | |
387 | print STDERR "# Something went wrong there. I got this chart:\n"; | |
388 | print STDERR "# $_\n" foreach split /\n/, $got; | |
389 | } | |
0e74ff8e JH |
390 | } |
391 | ||
392 | sub check_graph { | |
393 | my ($title, $row1, $row2) = @_; | |
394 | is (scalar @$title, 4, "Four entries in title row"); | |
395 | is (scalar @$row1, 4, "Four entries in first row"); | |
396 | is (scalar @$row2, 4, "Four entries in second row"); | |
397 | is (shift @$title, '', "First entry of output graph should be ''"); | |
398 | check_graph_consistency (@$title, @$row1, @$row2); | |
399 | } | |
400 | ||
401 | { | |
402 | select(OUT); | |
403 | my $start = times; | |
8962dfd6 | 404 | my $chart = cmpthese( -0.1, { a => "++\$i", b => "\$i = sqrt(\$i++)" }, "auto" ) ; |
0e74ff8e JH |
405 | my $end = times; |
406 | select(STDOUT); | |
407 | ok (($end - $start) > 0.05, "benchmarked code ran for over 0.05 seconds"); | |
408 | ||
409 | $got = $out->read(); | |
410 | # Remove any warnings about having too few iterations. | |
411 | $got =~ s/\(warning:[^\)]+\)//gs; | |
412 | ||
413 | like ($got, qr/running\W+a\W+b.*?for at least 0\.1 CPU second/s, | |
414 | 'check title'); | |
415 | # Remove the title | |
416 | $got =~ s/.*\.\.\.//s; | |
53aa2791 | 417 | like ($got, $Default_Pattern, 'should find default format somewhere'); |
0e74ff8e JH |
418 | like ($got, $graph_dissassembly, "Should find the output graph somewhere"); |
419 | check_graph_vs_output ($chart, $got); | |
420 | } | |
421 | ||
8962dfd6 A |
422 | # Not giving auto should suppress timethese results. |
423 | { | |
424 | select(OUT); | |
425 | my $start = times; | |
426 | my $chart = cmpthese( -0.1, { a => "++\$i", b => "\$i = sqrt(\$i++)" } ) ; | |
427 | my $end = times; | |
428 | select(STDOUT); | |
429 | ok (($end - $start) > 0.05, "benchmarked code ran for over 0.05 seconds"); | |
430 | ||
431 | $got = $out->read(); | |
432 | # Remove any warnings about having too few iterations. | |
433 | $got =~ s/\(warning:[^\)]+\)//gs; | |
434 | ||
435 | unlike ($got, qr/running\W+a\W+b.*?for at least 0\.1 CPU second/s, | |
436 | 'should not have title'); | |
437 | # Remove the title | |
438 | $got =~ s/.*\.\.\.//s; | |
53aa2791 | 439 | unlike ($got, $Default_Pattern, 'should not find default format somewhere'); |
8962dfd6 A |
440 | like ($got, $graph_dissassembly, "Should find the output graph somewhere"); |
441 | check_graph_vs_output ($chart, $got); | |
442 | } | |
443 | ||
0e74ff8e JH |
444 | { |
445 | $foo = $bar = 0; | |
446 | select(OUT); | |
447 | my $chart = cmpthese( 10, $code_to_test, 'nop' ) ; | |
448 | select(STDOUT); | |
449 | ok ($foo > 0, "Foo code was run"); | |
450 | ok ($bar > 0, "Bar code was run"); | |
451 | ||
452 | $got = $out->read(); | |
453 | # Remove any warnings about having too few iterations. | |
454 | $got =~ s/\(warning:[^\)]+\)//gs; | |
455 | like ($got, qr/timing 10 iterations of\s+Bar\W+Foo\W*?\.\.\./s, | |
456 | 'check title'); | |
457 | # Remove the title | |
458 | $got =~ s/.*\.\.\.//s; | |
53aa2791 | 459 | like ($got, $Nop_Pattern, 'specify format as nop'); |
0e74ff8e JH |
460 | like ($got, $graph_dissassembly, "Should find the output graph somewhere"); |
461 | check_graph_vs_output ($chart, $got); | |
462 | } | |
463 | ||
464 | { | |
465 | $foo = $bar = 0; | |
466 | select(OUT); | |
467 | my $chart = cmpthese( 10, $code_to_test, 'none' ) ; | |
468 | select(STDOUT); | |
469 | ok ($foo > 0, "Foo code was run"); | |
470 | ok ($bar > 0, "Bar code was run"); | |
471 | ||
472 | $got = $out->read(); | |
473 | # Remove any warnings about having too few iterations. | |
474 | $got =~ s/\(warning:[^\)]+\)//gs; | |
475 | $got =~ s/^[ \t\n]+//s; # Remove all the whitespace from the beginning | |
476 | is ($got, '', "format 'none' should suppress output"); | |
477 | is (ref $chart, 'ARRAY', "output should be an array ref"); | |
478 | # Some of these will go bang if the preceding test fails. There will be | |
479 | # a big clue as to why, from the previous test's diagnostic | |
480 | is (ref $chart->[0], 'ARRAY', "output should be an array of arrays"); | |
481 | check_graph (@$chart); | |
482 | } | |
483 | ||
484 | { | |
485 | $foo = $bar = 0; | |
486 | select(OUT); | |
487 | my $chart = cmpthese( $results ) ; | |
488 | select(STDOUT); | |
489 | is ($foo, 0, "Foo code was not run"); | |
490 | is ($bar, 0, "Bar code was not run"); | |
491 | ||
492 | $got = $out->read(); | |
493 | ok ($got !~ /\.\.\./s, 'check that there is no title'); | |
494 | like ($got, $graph_dissassembly, "Should find the output graph somewhere"); | |
495 | check_graph_vs_output ($chart, $got); | |
496 | } | |
497 | ||
498 | { | |
499 | $foo = $bar = 0; | |
500 | select(OUT); | |
501 | my $chart = cmpthese( $results, 'none' ) ; | |
502 | select(STDOUT); | |
503 | is ($foo, 0, "Foo code was not run"); | |
504 | is ($bar, 0, "Bar code was not run"); | |
505 | ||
506 | $got = $out->read(); | |
507 | is ($got, '', "'none' should suppress all output"); | |
508 | is (ref $chart, 'ARRAY', "output should be an array ref"); | |
509 | # Some of these will go bang if the preceding test fails. There will be | |
510 | # a big clue as to why, from the previous test's diagnostic | |
511 | is (ref $chart->[0], 'ARRAY', "output should be an array of arrays"); | |
512 | check_graph (@$chart); | |
513 | } | |
514 | ||
515 | ###}my $out = tie *OUT, 'TieOut'; my ($got); ### | |
516 | ||
517 | my $debug = tie *STDERR, 'TieOut'; | |
518 | ||
519 | $bar = 0; | |
520 | isa_ok(timeit(5, '++$bar'), 'Benchmark', "timeit eval"); | |
521 | is ($bar, 5, "benchmarked code was run 5 times"); | |
522 | is ($debug->read(), '', "There was no debug output"); | |
523 | ||
524 | Benchmark->debug(1); | |
525 | ||
526 | $bar = 0; | |
527 | select(OUT); | |
528 | $got = timeit(5, '++$bar'); | |
529 | select(STDOUT); | |
530 | isa_ok($got, 'Benchmark', "timeit eval"); | |
531 | is ($bar, 5, "benchmarked code was run 5 times"); | |
532 | is ($out->read(), '', "There was no STDOUT output with debug enabled"); | |
533 | isnt ($debug->read(), '', "There was STDERR debug output with debug enabled"); | |
534 | ||
535 | Benchmark->debug(0); | |
536 | ||
537 | $bar = 0; | |
538 | isa_ok(timeit(5, '++$bar'), 'Benchmark', "timeit eval"); | |
539 | is ($bar, 5, "benchmarked code was run 5 times"); | |
540 | is ($debug->read(), '', "There was no debug output debug disabled"); | |
541 | ||
542 | undef $debug; | |
543 | untie *STDERR; | |
544 | ||
545 | # To check the cache we are poking where we don't belong, inside the namespace. | |
98dc9551 | 546 | # The way benchmark is written we can't actually check whether the cache is |
0e74ff8e JH |
547 | # being used, merely what's become cached. |
548 | ||
549 | clearallcache(); | |
53aa2791 | 550 | my @before_keys = keys %Benchmark::Cache; |
0e74ff8e JH |
551 | $bar = 0; |
552 | isa_ok(timeit(5, '++$bar'), 'Benchmark', "timeit eval"); | |
553 | is ($bar, 5, "benchmarked code was run 5 times"); | |
53aa2791 | 554 | my @after5_keys = keys %Benchmark::Cache; |
0e74ff8e JH |
555 | $bar = 0; |
556 | isa_ok(timeit(10, '++$bar'), 'Benchmark', "timeit eval"); | |
557 | is ($bar, 10, "benchmarked code was run 10 times"); | |
53aa2791 | 558 | ok (!eq_array ([keys %Benchmark::Cache], \@after5_keys), "10 differs from 5"); |
0e74ff8e JH |
559 | |
560 | clearcache(10); | |
561 | # Hash key order will be the same if there are the same keys. | |
53aa2791 | 562 | is_deeply ([keys %Benchmark::Cache], \@after5_keys, |
0e74ff8e JH |
563 | "cleared 10, only cached results for 5 should remain"); |
564 | ||
565 | clearallcache(); | |
53aa2791 | 566 | is_deeply ([keys %Benchmark::Cache], \@before_keys, |
0e74ff8e JH |
567 | "back to square 1 when we clear the cache again?"); |
568 | ||
569 | ||
53aa2791 MS |
570 | { # Check usage error messages |
571 | my %usage = %Benchmark::_Usage; | |
572 | delete $usage{runloop}; # not public, not worrying about it just now | |
573 | ||
574 | my @takes_no_args = qw(clearallcache disablecache enablecache); | |
575 | ||
576 | my %cmpthese = ('forgot {}' => 'cmpthese( 42, foo => sub { 1 } )', | |
577 | 'not result' => 'cmpthese(42)', | |
578 | 'array ref' => 'cmpthese( 42, [ foo => sub { 1 } ] )', | |
579 | ); | |
580 | while( my($name, $code) = each %cmpthese ) { | |
581 | eval $code; | |
582 | is( $@, $usage{cmpthese}, "cmpthese usage: $name" ); | |
583 | } | |
584 | ||
585 | my %timethese = ('forgot {}' => 'timethese( 42, foo => sub { 1 } )', | |
586 | 'no code' => 'timethese(42)', | |
587 | 'array ref' => 'timethese( 42, [ foo => sub { 1 } ] )', | |
588 | ); | |
589 | ||
590 | while( my($name, $code) = each %timethese ) { | |
591 | eval $code; | |
592 | is( $@, $usage{timethese}, "timethese usage: $name" ); | |
593 | } | |
594 | ||
595 | ||
596 | while( my($func, $usage) = each %usage ) { | |
597 | next if grep $func eq $_, @takes_no_args; | |
598 | eval "$func()"; | |
599 | is( $@, $usage, "$func usage: no args" ); | |
600 | } | |
601 | ||
602 | foreach my $func (@takes_no_args) { | |
603 | eval "$func(42)"; | |
f695f0e6 | 604 | is( $@, $usage{$func}, "$func usage: with args" ); |
53aa2791 MS |
605 | } |
606 | } | |
607 | ||
608 | ||
0e74ff8e JH |
609 | package TieOut; |
610 | ||
611 | sub TIEHANDLE { | |
612 | my $class = shift; | |
613 | bless(\( my $ref = ''), $class); | |
614 | } | |
615 | ||
616 | sub PRINT { | |
617 | my $self = shift; | |
618 | $$self .= join('', @_); | |
619 | } | |
620 | ||
621 | sub PRINTF { | |
622 | my $self = shift; | |
623 | $$self .= sprintf shift, @_; | |
624 | } | |
625 | ||
626 | sub read { | |
627 | my $self = shift; | |
628 | return substr($$self, 0, length($$self), ''); | |
629 | } |