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Diffstat (limited to 't/10wait_all.t')
-rw-r--r-- | t/10wait_all.t | 160 |
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; |