1 files changed, 30 insertions, 0 deletions
diff --git a/t/immutable/immutable_constructor_error.t b/t/immutable/immutable_constructor_error.t
new file mode 100644
index 0000000..cb22171
--- /dev/null
+++ b/t/immutable/immutable_constructor_error.t
@@ -0,0 +1,30 @@
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Fatal;
+
+
+=pod
+
+This tests to make sure that we provide the same error messages from
+an immutable constructor as is provided by a non-immutable
+constructor.
+
+=cut
+
+{
+    package Foo;
+    use Moose;
+
+    has 'foo' => (is => 'rw', isa => 'Int');
+
+    Foo->meta->make_immutable(debug => 0);
+}
+
+my $scalar = 1;
+like( exception { Foo->new($scalar) }, qr/\QSingle parameters to new() must be a HASH ref/, 'Non-ref provided to immutable constructor gives useful error message' );
+like( exception { Foo->new(\$scalar) }, qr/\QSingle parameters to new() must be a HASH ref/, 'Scalar ref provided to immutable constructor gives useful error message' );
+like( exception { Foo->new(undef) }, qr/\QSingle parameters to new() must be a HASH ref/, 'undef provided to immutable constructor gives useful error message' );
+
+done_testing;