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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Current File : //usr/share/doc/perl-Test-Simple/t/Test2/modules/API/Stack.t
use strict;
use warnings;
use Test2::IPC;
use Test2::Tools::Tiny;
use Test2::API::Stack;
use Test2::API qw/test2_ipc/;

ok(my $stack = Test2::API::Stack->new, "Create a stack");

ok(!@$stack, "Empty stack");
ok(!$stack->peek, "Nothing to peek at");

ok(!exception { $stack->cull },  "cull lives when stack is empty");
ok(!exception { $stack->all },   "all lives when stack is empty");
ok(!exception { $stack->clear }, "clear lives when stack is empty");

like(
    exception { $stack->pop(Test2::Hub->new) },
    qr/No hubs on the stack/,
    "No hub to pop"
);

my $hub = Test2::Hub->new;
ok($stack->push($hub), "pushed a hub");

like(
    exception { $stack->pop($hub) },
    qr/You cannot pop the root hub/,
    "Root hub cannot be popped"
);

$stack->push($hub);
like(
    exception { $stack->pop(Test2::Hub->new) },
    qr/Hub stack mismatch, attempted to pop incorrect hub/,
    "Must specify correct hub to pop"
);

is_deeply(
    [ $stack->all ],
    [ $hub, $hub ],
    "Got all hubs"
);

ok(!exception { $stack->pop($hub) }, "Popped the correct hub");

is_deeply(
    [ $stack->all ],
    [ $hub ],
    "Got all hubs"
);

is($stack->peek, $hub, "got the hub");
is($stack->top, $hub, "got the hub");

$stack->clear;

is_deeply(
    [ $stack->all ],
    [ ],
    "no hubs"
);

ok(my $top = $stack->top, "Generated a top hub");
is($top->ipc, test2_ipc, "Used sync's ipc");
ok($top->format, 'Got formatter');

is($stack->top, $stack->top, "do not generate a new top if there is already a top");

ok(my $new = $stack->new_hub(), "Add a new hub");
is($stack->top, $new, "new one is on top");
is($new->ipc, $top->ipc, "inherited ipc");
is($new->format, $top->format, "inherited formatter");

my $new2 = $stack->new_hub(formatter => undef, ipc => undef);
ok(!$new2->ipc, "built with no ipc");
ok(!$new2->format, "built with no formatter");

done_testing;

haha - 2025