diff --git a/S32-str/sprintf.t b/S32-str/sprintf.t
index 9daf0b2647..2405962f79 100644
--- a/S32-str/sprintf.t
+++ b/S32-str/sprintf.t
@@ -2,7 +2,7 @@ use v6;
 
 use Test;
 
-plan 128;
+plan 135;
 
 # L<S32::Str/Str/"identical to" "C library sprintf">
 
@@ -204,11 +204,28 @@ is sprintf('%s', -Inf),            -Inf,    'sprintf %s handles Inf';
 
 is sprintf('%d %1$x %1$o', 12),    '12 c 14',  'positional argument specifier $';
 
-# RT #74610
-dies_ok {sprintf "%s"}, 'missing sprintf string argument';
-
 # RT 117547
 is sprintf('%10s', "☃" x 3), '       ☃☃☃', 'multi-byte characters are counted correctly for %Ns strings';
 
+is sprintf("%x %x", 301281685344656640, 301281685344656669), '42e5e18b84c9d00 42e5e18b84c9d1d',   'RT #118601';
+is sprintf("%d", 42**20),                                    '291733167875766667063796853374976', 'RT #118253';
+is map({chars sprintf "[%18s]\n", "ಠ" x $_ }, 0..6),         [21, 21, 21, 21, 21, 21, 21],        'RT #117547';
+is Date.new(-13_000_000_000, 1, 1),                          '-13000000000-01-01',                'RT #114760';
+
+# RT #116280
+{
+    #?rakudo.parrot todo "sprintf printf numbers before NaN"
+    #?rakudo.jvm 3 skip "java.lang.NumberFormatException"
+    is sprintf('%12.5f',  NaN), '         NaN', 'RT #116280';
+    #?rakudo.parrot 2 skip "sprintf hangs when printing Inf/-Inf"
+    is sprintf('%12.5f',  Inf), '         Inf', 'RT #116280';
+    is sprintf('%12.5f', -Inf), '        -Inf', 'RT #116280';
+}
+
+# RT #106594, #62316, #74610
+{
+    try sprintf("%d-%s", 42);
+    is $!, 'Too many directives: found 2, but only 1 arguments after the format string', 'RT #106594, #62316, #74610';
+}
 
 # vim: ft=perl6