summaryrefslogtreecommitdiff
path: root/t/10wait_all.t
diff options
context:
space:
mode:
Diffstat (limited to 't/10wait_all.t')
-rw-r--r--t/10wait_all.t160
1 files changed, 160 insertions, 0 deletions
diff --git a/t/10wait_all.t b/t/10wait_all.t
new file mode 100644
index 0000000..9331b61
--- /dev/null
+++ b/t/10wait_all.t
@@ -0,0 +1,160 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Identity;
+use Test::Refcount;
+
+use Future;
+
+{
+ my $f1 = Future->new;
+ my $f2 = Future->new;
+
+ my $future = Future->wait_all( $f1, $f2 );
+ is_oneref( $future, '$future has refcount 1 initially' );
+
+ # Two refs; one lexical here, one in $future
+ is_refcount( $f1, 2, '$f1 has refcount 2 after adding to ->wait_all' );
+ is_refcount( $f2, 2, '$f2 has refcount 2 after adding to ->wait_all' );
+
+ is_deeply( [ $future->pending_futures ],
+ [ $f1, $f2 ],
+ '$future->pending_futures before any ready' );
+
+ is_deeply( [ $future->ready_futures ],
+ [],
+ '$future->done_futures before any ready' );
+
+ my @on_ready_args;
+ $future->on_ready( sub { @on_ready_args = @_ } );
+
+ ok( !$future->is_ready, '$future not yet ready' );
+ is( scalar @on_ready_args, 0, 'on_ready not yet invoked' );
+
+ $f1->done( one => 1 );
+
+ is_deeply( [ $future->pending_futures ],
+ [ $f2 ],
+ '$future->pending_futures after $f1 ready' );
+
+ is_deeply( [ $future->ready_futures ],
+ [ $f1 ],
+ '$future->ready_futures after $f1 ready' );
+
+ is_deeply( [ $future->done_futures ],
+ [ $f1 ],
+ '$future->done_futures after $f1 ready' );
+
+ ok( !$future->is_ready, '$future still not yet ready after f1 ready' );
+ is( scalar @on_ready_args, 0, 'on_ready not yet invoked' );
+
+ $f2->done( two => 2 );
+
+ is( scalar @on_ready_args, 1, 'on_ready passed 1 argument' );
+ identical( $on_ready_args[0], $future, 'Future passed to on_ready' );
+ undef @on_ready_args;
+
+ ok( $future->is_ready, '$future now ready after f2 ready' );
+ my @results = $future->get;
+ identical( $results[0], $f1, 'Results[0] from $future->get is f1' );
+ identical( $results[1], $f2, 'Results[1] from $future->get is f2' );
+ undef @results;
+
+ is_deeply( [ $future->pending_futures ],
+ [],
+ '$future->pending_futures after $f2 ready' );
+
+ is_deeply( [ $future->ready_futures ],
+ [ $f1, $f2 ],
+ '$future->ready_futures after $f2 ready' );
+
+ is_deeply( [ $future->done_futures ],
+ [ $f1, $f2 ],
+ '$future->done_futures after $f2 ready' );
+
+ is_refcount( $future, 1, '$future has refcount 1 at end of test' );
+ undef $future;
+
+ is_refcount( $f1, 1, '$f1 has refcount 1 at end of test' );
+ is_refcount( $f2, 1, '$f2 has refcount 1 at end of test' );
+}
+
+# immediately done
+{
+ my $f1 = Future->done;
+
+ my $future = Future->wait_all( $f1 );
+
+ ok( $future->is_ready, '$future of already-ready sub already ready' );
+ my @results = $future->get;
+ identical( $results[0], $f1, 'Results from $future->get of already ready' );
+}
+
+# one immediately done
+{
+ my $f1 = Future->done;
+ my $f2 = Future->new;
+
+ my $future = Future->wait_all( $f1, $f2 );
+
+ ok( !$future->is_ready, '$future of partially-done subs not yet ready' );
+
+ $f2->done;
+
+ ok( $future->is_ready, '$future of completely-done subs already ready' );
+ my @results = $future->get;
+ identical( $results[0], $f1, 'Results from $future->get of already ready' );
+}
+
+# cancel propagation
+{
+ my $f1 = Future->new;
+ my $c1;
+ $f1->on_cancel( sub { $c1++ } );
+
+ my $f2 = Future->new;
+ my $c2;
+ $f2->on_cancel( sub { $c2++ } );
+
+ my $future = Future->wait_all( $f1, $f2 );
+
+ $f2->done;
+
+ $future->cancel;
+
+ is( $c1, 1, '$future->cancel marks subs cancelled' );
+ is( $c2, undef, '$future->cancel ignores ready subs' );
+}
+
+# cancelled convergent
+{
+ my $f1 = Future->new;
+ my $f2 = Future->new;
+
+ my $future = Future->wait_all( $f1, $f2 );
+
+ $f1->done( "result" );
+ $f2->cancel;
+
+ ok( $future->is_ready, '$future of cancelled sub is ready after final cancellation' );
+
+ is_deeply( [ $future->done_futures ],
+ [ $f1 ],
+ '->done_futures with cancellation' );
+ is_deeply( [ $future->cancelled_futures ],
+ [ $f2 ],
+ '->cancelled_futures with cancellation' );
+}
+
+# wait_all on none
+{
+ my $f = Future->wait_all( () );
+
+ ok( $f->is_ready, 'wait_all on no Futures already done' );
+ is_deeply( [ $f->get ], [], '->get on empty wait_all is empty' );
+}
+
+done_testing;