1 files changed, 39 insertions, 0 deletions
diff --git a/t/impl-selection/bug-rt-78272.t b/t/impl-selection/bug-rt-78272.t
new file mode 100644
index 0000000..dc74922
--- /dev/null
+++ b/t/impl-selection/bug-rt-78272.t
@@ -0,0 +1,39 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+use Test::More;
+use Test::Fatal;
+
+# https://rt.cpan.org/Public/Bug/Display.html?id=78272
+my $e = $ENV{PACKAGE_STASH_IMPLEMENTATION} = "PP; exit 1";
+
+like(
+    exception { require Package::Stash },
+    qr/$e is not a valid implementation for Package::Stash/,
+    'Arbitrary code in $ENV throws exception'
+);
+
+like(
+    exception {
+        delete $INC{'Package/Stash.pm'};
+        require Package::Stash;
+    },
+    qr/$e is not a valid implementation for Package::Stash/,
+    'Sanity check: forcing package reload throws the exception again'
+);
+
+is(
+    exception {
+        $ENV{PACKAGE_STASH_IMPLEMENTATION} = "PP";
+        delete $INC{'Package/Stash.pm'};
+        require Package::Stash;
+        new_ok(
+            'Package::Stash' => ['Foo'],
+            'Loaded and able to create instances'
+        );
+    },
+    undef,
+    'Valid $ENV value loads correctly'
+);
+
+done_testing;