Merge pull request #828 from mame/io-readyp-was-changed

Use "untyped" as an exceptation of return value of IO#ready?
ruby · Nov 17, 2021 · 39a2351 · 39a2351
2 parents 6abf29d + 7fe2b45
commit 39a2351
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/test/stdlib/IO_test.rb b/test/stdlib/IO_test.rb
@@ -252,9 +252,11 @@ class IOWaitTest < Test::Unit::TestCase
 
   def test_readyp
     if_ruby3 do
+      # This method returns true|false in Ruby 2.7, nil|IO in 3.0, and true|false in 3.1.
+
       IO.pipe.tap do |r, w|
         assert_send_type(
-          "() -> nil",
+          "() -> untyped",
           r, :ready?
         )
       end
@@ -263,7 +265,7 @@ def test_readyp
         w.write("hello")
 
         assert_send_type(
-          "() -> IO",
+          "() -> untyped",
           r, :ready?
         )
       end