Raise ArgumentError if IO.read is provided negative offset

Fixes [Bug #19380]

1 files changed, 12 insertions, 3 deletions

diff --git a/spec/ruby/core/io/read_spec.rb b/spec/ruby/core/io/read_spec.rb
index 0184c88f44..8bffd50876 100644
--- a/spec/ruby/core/io/read_spec.rb
+++ b/spec/ruby/core/io/read_spec.rb
@@ -128,9 +128,18 @@ describe "IO.read" do
     -> { IO.read @fname, -1 }.should raise_error(ArgumentError)
   end
 
-  it "raises an Errno::EINVAL when not passed a valid offset" do
-    -> { IO.read @fname, 0, -1  }.should raise_error(Errno::EINVAL)
-    -> { IO.read @fname, -1, -1 }.should raise_error(Errno::EINVAL)
+  ruby_version_is ''...'3.3' do
+    it "raises an Errno::EINVAL when not passed a valid offset" do
+      -> { IO.read @fname, 0, -1  }.should raise_error(Errno::EINVAL)
+      -> { IO.read @fname, -1, -1 }.should raise_error(Errno::EINVAL)
+    end
+  end
+
+  ruby_version_is '3.3' do
+    it "raises an ArgumentError when not passed a valid offset" do
+      -> { IO.read @fname, 0, -1  }.should raise_error(ArgumentError)
+      -> { IO.read @fname, -1, -1 }.should raise_error(ArgumentError)
+    end
   end
 
   it "uses the external encoding specified via the :external_encoding option" do