1 files changed, 44 insertions, 0 deletions
diff --git a/t/uni/opcroak.t b/t/uni/opcroak.t
new file mode 100644
index 0000000000..29909d7cd6
--- /dev/null
+++ b/t/uni/opcroak.t
@@ -0,0 +1,44 @@
+#!./perl
+
+#
+# tests for op.c generated croaks
+#
+
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = '../lib';
+    require './test.pl';
+}
+
+use utf8;
+use open qw( :utf8 :std );
+use warnings;
+
+plan( tests => 5 );
+
+eval qq!sub \x{30cb} (\$) {} \x{30cb}()!;
+like $@, qr/Not enough arguments for main::\x{30cb}/u, "Not enough arguments croak is UTF-8 clean";
+
+eval qq!sub \x{30cc} (\$) {} \x{30cc}(1, 2)!;
+like $@, qr/Too many arguments for main::\x{30cc}/u, "Too many arguments croak is UTF-8 clean";
+
+eval qq!sub \x{30cd} (\Q\%\E) { 1 } \x{30cd}(1);!;
+like $@, qr/Type of arg 1 to main::\x{30cd} must be/u, "bad type croak is UTF-8 clean";
+
+    eval <<'END_FIELDS';
+    {
+        package ＦŌŌ {
+            use fields qw( a b );
+            sub new { bless {}, shift }
+        }
+    }
+END_FIELDS
+
+for (
+        [ element => 'my ＦŌŌ $bàr = ＦŌŌ->new; $bàr->{クラス};' ],
+        [ slice => 'my ＦŌŌ $bàr = ＦŌŌ->new; @{$bàr}{ qw( a クラス ) };' ]
+    ) {
+    eval $_->[1];
+    
+    like $@, qr/No such class field "クラス" in variable \$bàr of type ＦŌŌ/, "$_->[0]: no such field error is UTF-8 clean";
+}