/
44-try-catch.t
69 lines (55 loc) · 1.2 KB
/
44-try-catch.t
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#! nqp
# Tests for try and catch
plan(8);
sub oops($msg = "oops!") { # throw an exception
nqp::die($msg);
}
my $ok := 1;
try {
oops();
$ok := 0;
}
ok($ok, "exceptions exit a try block");
sub foo() {
try {
return 1;
}
return 0;
}
ok(foo(), "control exceptions are not caught by a try block");
ok((try 1532) == 1532,"statement prefix form works when not throwing an exception");
ok(nqp::istype((try oops()), NQPMu), "statement prefix form of try works");
{
CATCH { ok(1, "CATCH blocks are invoked when an exception occurs"); }
oops();
}
$ok := 1;
sub bar() {
CATCH { $ok := 0; }
return;
}
bar();
ok($ok, "CATCH blocks ignore control exceptions");
$ok := 1;
{
{
{
{
oops();
CATCH { $ok := $ok * 2; nqp::rethrow($!); }
}
CATCH { $ok := $ok * 2; nqp::rethrow($!); }
}
CATCH { $ok := $ok * 2; nqp::rethrow($!); }
}
CATCH { ok($ok == 8, "rethrow and multiple exception handlers work") }
}
$ok := 1;
{
for 1, 2, 3, 4 {
$ok := $ok * 2;
oops();
}
CATCH { my &c := $!<resume>; &c(); }
}
ok($ok == 16, "resuming from resumable exceptions works");