晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Directory :  /usr/share/doc/perl-Test-Simple/t/Test2/behavior/

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Current File : //usr/share/doc/perl-Test-Simple/t/Test2/behavior/trace_signature.t
use strict;
use warnings;

use Test2::Tools::Tiny;
use Test2::API qw/intercept context/;
use Test2::Util qw/get_tid/;

my $line;
my $events = intercept {
    $line = __LINE__ + 1;
    ok(1, "pass");
    sub {
        my $ctx = context;
        $ctx->pass;
        $ctx->pass;
        $ctx->release;
    }->();
};

my $sigpass = $events->[0]->trace->signature;
my $sigfail = $events->[1]->trace->signature;

ok($sigpass ne $sigfail, "Each tool got a new signature");

is($events->[$_]->trace->signature, $sigfail, "Diags share failed ok's signature") for 2 .. $#$events;

like($sigpass, qr/$$~${ \get_tid() }~\d+~\d+:$$:\Q${ \get_tid() }:${ \__FILE__ }:$line\E$/, "signature is sane");

my $trace = Test2::EventFacet::Trace->new(frame => ['main', 'foo.t', 42, 'xxx']);
delete $trace->{cid};
is($trace->signature, undef, "No signature without a cid");

is($events->[0]->related($events->[1]), 0, "event 0 is not related to event 1");
is($events->[1]->related($events->[2]), 1, "event 1 is related to event 2");

my $e = Test2::Event::Ok->new(pass => 1);
is($e->related($events->[0]), undef, "Cannot check relation, invalid trace");

$e = Test2::Event::Ok->new(pass => 1, trace => Test2::EventFacet::Trace->new(frame => ['', '', '', '']));
is($e->related($events->[0]), undef, "Cannot check relation, incomplete trace");

$e = Test2::Event::Ok->new(pass => 1, trace => Test2::EventFacet::Trace->new(frame => []));
is($e->related($events->[0]), undef, "Cannot check relation, incomplete trace");

done_testing;

haha - 2025