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use strict; use warnings; use Test::More tests => 25; use Try::Tiny; sub _eval { local $@; local $Test::Builder::Level = $Test::Builder::Level + 2; return ( scalar(eval { $_[0]->(); 1 }), $@ ); } sub lives_ok (&$) { my ( $code, $desc ) = @_; local $Test::Builder::Level = $Test::Builder::Level + 1; my ( $ok, $error ) = _eval($code); ok($ok, $desc ); diag "error: $@" unless $ok; } sub throws_ok (&$$) { my ( $code, $regex, $desc ) = @_; local $Test::Builder::Level = $Test::Builder::Level + 1; my ( $ok, $error ) = _eval($code); if ( $ok ) { fail($desc); } else { like($error || '', $regex, $desc ); } } my $prev; lives_ok { try { die "foo"; }; } "basic try"; throws_ok { try { die "foo"; } catch { die $_ }; } qr/foo/, "rethrow"; { local $@ = "magic"; is( try { 42 }, 42, "try block evaluated" ); is( $@, "magic", '$@ untouched' ); } { local $@ = "magic"; is( try { die "foo" }, undef, "try block died" ); is( $@, "magic", '$@ untouched' ); } { local $@ = "magic"; like( (try { die "foo" } catch { $_ }), qr/foo/, "catch block evaluated" ); is( $@, "magic", '$@ untouched' ); } is( scalar(try { "foo", "bar", "gorch" }), "gorch", "scalar context try" ); is_deeply( [ try {qw(foo bar gorch)} ], [qw(foo bar gorch)], "list context try" ); is( scalar(try { die } catch { "foo", "bar", "gorch" }), "gorch", "scalar context catch" ); is_deeply( [ try { die } catch {qw(foo bar gorch)} ], [qw(foo bar gorch)], "list context catch" ); { my ($sub) = catch { my $a = $_; }; is(ref($sub), 'Try::Tiny::Catch', 'Checking catch subroutine scalar reference is correctly blessed'); } { my ($sub) = finally { my $a = $_; }; is(ref($sub), 'Try::Tiny::Finally', 'Checking finally subroutine scalar reference is correctly blessed'); } lives_ok { try { die "foo"; } catch { my $err = shift; try { like $err, qr/foo/; } catch { fail("shouldn't happen"); }; pass "got here"; } } "try in try catch block"; throws_ok { try { die "foo"; } catch { my $err = shift; try { } catch { }; die "rethrowing $err"; } } qr/rethrowing foo/, "rethrow with try in catch block"; sub Evil::DESTROY { eval { "oh noes" }; } sub Evil::new { bless { }, $_[0] } { local $@ = "magic"; local $_ = "other magic"; try { my $object = Evil->new; die "foo"; } catch { pass("catch invoked"); local $TODO = "i don't think we can ever make this work sanely, maybe with SIG{__DIE__}" if "$]" < 5.014; like($_, qr/foo/); }; is( $@, "magic", '$@ untouched' ); is( $_, "other magic", '$_ untouched' ); } { my ( $caught, $prev ); { local $@; eval { die "bar\n" }; is( $@, "bar\n", 'previous value of $@' ); try { die { prev => $@, } } catch { $caught = $_; $prev = $@; } } is_deeply( $caught, { prev => "bar\n" }, 'previous value of $@ available for capture' ); is( $prev, "bar\n", 'previous value of $@ also available in catch block' ); }