4 files changed, 7 insertions, 20 deletions
diff --git a/spec/ruby/core/array/pack/shared/basic.rb b/spec/ruby/core/array/pack/shared/basic.rb
index 4b28de7ed0..a63f64d296 100644
--- a/spec/ruby/core/array/pack/shared/basic.rb
+++ b/spec/ruby/core/array/pack/shared/basic.rb
@@ -32,29 +32,16 @@ describe :array_pack_basic_non_float, shared: true do
     [@obj, @obj, @obj, @obj].pack("aa #{pack_format} # some comment \n#{pack_format}").should be_an_instance_of(String)
   end
 
-  ruby_version_is ""..."3.2" do
-    it "warns in verbose mode that a directive is unknown" do
-      # additional directive ('a') is required for the X directive
-      -> { [@obj, @obj].pack("a R" + pack_format) }.should complain(/unknown pack directive 'R'/, verbose: true)
-      -> { [@obj, @obj].pack("a 0" + pack_format) }.should complain(/unknown pack directive '0'/, verbose: true)
-      -> { [@obj, @obj].pack("a :" + pack_format) }.should complain(/unknown pack directive ':'/, verbose: true)
-    end
-  end
-
-  ruby_version_is "3.2"..."3.3" do
-    # https://bugs.ruby-lang.org/issues/19150
-    # NOTE: it's just a plan of the Ruby core team
+  ruby_version_is ""..."3.3" do
     it "warns that a directive is unknown" do
       # additional directive ('a') is required for the X directive
-      -> { [@obj, @obj].pack("a R" + pack_format) }.should complain(/unknown pack directive 'R'/)
-      -> { [@obj, @obj].pack("a 0" + pack_format) }.should complain(/unknown pack directive '0'/)
-      -> { [@obj, @obj].pack("a :" + pack_format) }.should complain(/unknown pack directive ':'/)
+      -> { [@obj, @obj].pack("a K" + pack_format) }.should complain(/unknown pack directive 'K' in 'a K#{pack_format}'/)
+      -> { [@obj, @obj].pack("a 0" + pack_format) }.should complain(/unknown pack directive '0' in 'a 0#{pack_format}'/)
+      -> { [@obj, @obj].pack("a :" + pack_format) }.should complain(/unknown pack directive ':' in 'a :#{pack_format}'/)
     end
   end
 
   ruby_version_is "3.3" do
-    # https://bugs.ruby-lang.org/issues/19150
-    # NOTE: Added this case just to not forget about the decision in the ticket
     it "raise ArgumentError when a directive is unknown" do
       # additional directive ('a') is required for the X directive
       -> { [@obj, @obj].pack("a R" + pack_format) }.should raise_error(ArgumentError, /unknown pack directive 'R'/)
diff --git a/spec/ruby/core/array/pack/shared/float.rb b/spec/ruby/core/array/pack/shared/float.rb
index 1780d7635e..76c800b74d 100644
--- a/spec/ruby/core/array/pack/shared/float.rb
+++ b/spec/ruby/core/array/pack/shared/float.rb
@@ -1,4 +1,4 @@
-# -*- encoding: binary -*-
+# encoding: binary
 
 describe :array_pack_float_le, shared: true do
   it "encodes a positive Float" do
diff --git a/spec/ruby/core/array/pack/shared/integer.rb b/spec/ruby/core/array/pack/shared/integer.rb
index a89b5b733b..61f7cca184 100644
--- a/spec/ruby/core/array/pack/shared/integer.rb
+++ b/spec/ruby/core/array/pack/shared/integer.rb
@@ -1,4 +1,4 @@
-# -*- encoding: binary -*-
+# encoding: binary
 
 describe :array_pack_16bit_le, shared: true do
   it "encodes the least significant 16 bits of a positive number" do
diff --git a/spec/ruby/core/array/pack/shared/string.rb b/spec/ruby/core/array/pack/shared/string.rb
index 2f70dc3951..805f78b53b 100644
--- a/spec/ruby/core/array/pack/shared/string.rb
+++ b/spec/ruby/core/array/pack/shared/string.rb
@@ -1,4 +1,4 @@
-# -*- encoding: binary -*-
+# encoding: binary
 describe :array_pack_string, shared: true do
   it "adds count bytes of a String to the output" do
     ["abc"].pack(pack_format(2)).should == "ab"