line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
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package Test::Timer; |
2
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3
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207137
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use warnings; |
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3
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100
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4
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use strict; |
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73
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5
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6
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3
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3
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15
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use vars qw($VERSION @ISA @EXPORT); |
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3
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179
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7
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3
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3
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1709
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use Benchmark; # timestr |
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19850
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3
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15
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3
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3
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322
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use Carp qw(croak); |
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6
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3
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164
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9
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3
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1654
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use Error qw(:try); |
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15472
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3
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12
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10
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3
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3
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460
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use Test::Builder; |
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3
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8
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3
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71
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11
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3
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use base 'Test::Builder::Module'; |
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3
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392
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12
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3
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use constant TRUE => 1; |
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3
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287
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3
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3
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use constant FALSE => 0; |
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3
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7
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3
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151
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15
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16
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#own |
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3
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3
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1339
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use Test::Timer::TimeoutException; |
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7
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3
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27
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18
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19
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@EXPORT = qw(time_ok time_nok time_atleast time_atmost time_between); |
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21
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$VERSION = '2.11'; |
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23
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my $test = Test::Builder->new; |
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my $timeout = 0; |
25
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26
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our $alarm = 2; #default alarm |
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28
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# syntactic sugar for time_atmost |
29
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sub time_ok { |
30
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2
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2
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1
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3711
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return time_atmost(@_); |
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} |
32
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33
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# inverse test of time_ok |
34
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sub time_nok { |
35
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3
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3
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1
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10649
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my ( $code, $upperthreshold, $name ) = @_; |
36
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37
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# timing from zero to upper threshold |
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3
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15
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my ($within, $time) = _runtest( $code, 0, $upperthreshold ); |
39
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40
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# are we within the specified threshold |
41
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3
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100
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19
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if ($within == TRUE) { |
42
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43
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# we inverse the result, since we are the inverse of time_ok |
44
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1
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5
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$within = FALSE; |
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1
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18
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$test->ok( $within, $name ); # no, we fail |
46
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1
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691
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$test->diag( "Test ran $time seconds and did not exceed specified threshold of $upperthreshold seconds" ); |
47
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} else { |
48
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49
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# we inverse the result, since we are the inverse of time_ok |
50
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2
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7
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$within = TRUE; |
51
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2
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46
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$test->ok( $within, $name ); # yes, we do not fail |
52
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} |
53
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54
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3
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1413
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return $within; |
55
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} |
56
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57
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# test to make sure we are below a specified threshold |
58
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sub time_atmost { |
59
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4
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4
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1
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9616
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my ( $code, $upperthreshold, $name ) = @_; |
60
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61
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# timing from zero to upper threshold |
62
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4
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19
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my ($within, $time) = _runtest( $code, 0, $upperthreshold ); |
63
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64
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# are we within the specified threshold |
65
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4
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100
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22
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if ($within == TRUE) { |
66
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2
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40
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$test->ok( $within, $name ); # yes, we do not fail |
67
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} else { |
68
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2
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42
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$test->ok( $within, $name ); # no, we fail |
69
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2
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1422
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$test->diag( "Test ran $time seconds and exceeded specified threshold of $upperthreshold seconds" ); |
70
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} |
71
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72
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4
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1776
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return $within; |
73
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} |
74
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75
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# test to make sure we are above a specified threshold |
76
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sub time_atleast { |
77
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2
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2
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1
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10509
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my ( $code, $lowerthreshold, $name ) = @_; |
78
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79
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# timing from lowerthreshold to nothing |
80
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2
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11
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my ($above, $time) = _runtest( $code, $lowerthreshold, undef ); |
81
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82
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# are we above the specified threshold |
83
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2
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100
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15
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if ($above == TRUE) { |
84
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1
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20
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$test->ok( $above, $name ); # yes, we do not fail |
85
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86
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} else { |
87
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1
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32
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$test->ok( $above, $name ); # no, we fail |
88
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1
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647
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$test->diag( "Test ran $time seconds and did not exceed specified threshold of $lowerthreshold seconds" ); |
89
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} |
90
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91
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2
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848
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return $above; |
92
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} |
93
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94
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# test to make sure we are witin a specified threshold time frame |
95
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sub time_between { |
96
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3
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3
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1
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14522
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my ( $code, $lowerthreshold, $upperthreshold, $name ) = @_; |
97
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98
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# timing from lower to upper threshold |
99
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3
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13
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my ($within, $time) = _runtest( $code, $lowerthreshold, $upperthreshold ); |
100
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101
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# are we within the specified threshold |
102
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3
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100
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19
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if ($within == TRUE) { |
103
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1
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19
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$test->ok( $within, $name ); # yes, we do not fail |
104
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} else { |
105
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2
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48
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$test->ok( $within, $name ); # no, we fail |
106
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2
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100
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1536
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if ($timeout) { |
107
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1
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12
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$test->diag( "Execution ran $timeout seconds and did not execute within specified interval $lowerthreshold - $upperthreshold seconds and timed out"); |
108
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} else { |
109
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1
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14
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$test->diag( "Test ran $time seconds and did not execute within specified interval $lowerthreshold - $upperthreshold seconds" ); |
110
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} |
111
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} |
112
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113
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3
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1044
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return $within; |
114
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} |
115
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116
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# helper routine to make initiate timing and make initial interpretation of results |
117
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# test mehtods do the final interpretation |
118
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sub _runtest { |
119
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12
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12
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40
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my ( $code, $lowerthreshold, $upperthreshold ) = @_; |
120
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121
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12
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27
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my $ok = FALSE; |
122
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12
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22
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my $time = 0; |
123
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124
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try { |
125
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126
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# we have both a lower and upper threshold (time_between, time_most, time_ok) |
127
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12
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100
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66
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12
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540
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if ( defined $lowerthreshold and defined $upperthreshold ) { |
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50
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128
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129
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10
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31
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$time = _benchmark( $code, $upperthreshold ); |
130
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131
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8
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100
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66
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154
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if ( $time >= $lowerthreshold and $time <= $upperthreshold ) { |
132
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4
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27
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$ok = TRUE; |
133
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} else { |
134
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4
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28
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$ok = FALSE; |
135
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} |
136
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137
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# we just have a lower threshold (time_atleast) |
138
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} elsif ( defined $lowerthreshold ) { |
139
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140
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2
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8
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$time = _benchmark( $code ); |
141
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142
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2
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100
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16
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if ( $time >= $lowerthreshold ) { |
143
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1
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8
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$ok = TRUE; |
144
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} else { |
145
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1
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8
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$ok = FALSE; |
146
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} |
147
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} |
148
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} |
149
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# catching a timeout so we do not run forever |
150
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catch Test::Timer::TimeoutException with { |
151
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2
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2
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220
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my $E = shift; |
152
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153
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2
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8
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$timeout = $E->{-text}; |
154
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155
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2
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7
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return (undef, $time); # we return undef as result |
156
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12
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103
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}; |
157
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158
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12
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441
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return ($ok, $time); |
159
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} |
160
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161
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# actual timing using benchmark |
162
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sub _benchmark { |
163
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15
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15
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1516
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my ( $code, $threshold ) = @_; |
164
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165
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15
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26
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my $time = 0; |
166
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167
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# We default to no alarm |
168
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15
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25
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my $local_alarm = 0; |
169
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170
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# We only define an alarm if we have an upper threshold |
171
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# alarm is based on upper threshold + default alarm |
172
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# default alarm can be extended, see the docs |
173
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15
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100
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44
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if (defined $threshold) { |
174
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12
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26
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$local_alarm = $threshold + $alarm; |
175
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} |
176
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177
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# setting first benchmark |
178
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15
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64
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my $t0 = Benchmark->new(); |
179
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180
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# defining alarm signal handler |
181
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# the handler takes care of terminating the |
182
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# benchmarking |
183
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local $SIG{ALRM} = sub { |
184
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185
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3
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3
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14000641
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my $t_alarm = Benchmark->new(); |
186
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187
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3
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136
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my $alarm_time_string = timediff( $t_alarm, $t0 )->real; |
188
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189
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3
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265
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throw Test::Timer::TimeoutException($alarm_time_string); |
190
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15
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642
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}; |
191
|
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192
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# setting alarm |
193
|
15
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142
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alarm( $local_alarm ); |
194
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195
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# running code |
196
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15
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39
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&{$code}; |
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15
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67
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197
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198
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# clear alarm |
199
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12
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20002547
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alarm( 0 ); |
200
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201
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# setting second benchmark |
202
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12
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224
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my $t1 = Benchmark->new(); |
203
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204
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# parsing benchmark output |
205
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12
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516
|
my $timestring = timediff( $t1, $t0 )->real; |
206
|
|
|
|
|
|
|
|
207
|
12
|
|
|
|
|
1156
|
return $timestring; |
208
|
|
|
|
|
|
|
} |
209
|
|
|
|
|
|
|
|
210
|
|
|
|
|
|
|
1; |
211
|
|
|
|
|
|
|
|
212
|
|
|
|
|
|
|
__END__ |