1 files changed, 51 insertions, 0 deletions
diff --git a/t/03loop-magic.t b/t/03loop-magic.t
new file mode 100644
index 0000000..ede4105
--- /dev/null
+++ b/t/03loop-magic.t
@@ -0,0 +1,51 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More;
+
+use IO::Async::Loop;
+
+$IO::Async::Loop::LOOP_NO_OS = 1;
+delete $ENV{IO_ASYNC_LOOP}; # Just in case it was already set
+
+my $loop;
+
+my $LOOPCLASS = "IO::Async::Loop::" . ( IO::Async::OS->LOOP_BUILTIN_CLASSES )[0];
+
+$loop = IO::Async::Loop->new;
+
+isa_ok( $loop, $LOOPCLASS, 'Magic constructor in default mode' ) or
+   diag( 'ref($loop) is ' . ref $loop );
+
+is( IO::Async::Loop->new, $loop, 'IO::Async::Loop->new again yields same loop' );
+
+{
+   local $ENV{IO_ASYNC_LOOP} = "t::StupidLoop";
+   undef $IO::Async::Loop::ONE_TRUE_LOOP;
+
+   $loop = IO::Async::Loop->new;
+
+   isa_ok( $loop, "t::StupidLoop", 'Magic constructor obeys $ENV{IO_ASYNC_LOOP}' );
+}
+
+{
+   local $IO::Async::Loop::LOOP = "t::StupidLoop";
+   undef $IO::Async::Loop::ONE_TRUE_LOOP;
+
+   $loop = IO::Async::Loop->new;
+
+   isa_ok( $loop, "t::StupidLoop", 'Magic constructor obeys $IO::Async::Loop::LOOP' );
+}
+
+{
+   local $IO::Async::Loop::LOOP = "Select";
+   undef $IO::Async::Loop::ONE_TRUE_LOOP;
+
+   $loop = IO::Async::Loop->new;
+
+   isa_ok( $loop, "IO::Async::Loop::Select", 'Magic constructor expands unqualified package names' );
+}
+
+done_testing;