ENV.delete should return the result of block on non-existing key

Fixes [Bug #16173]

Co-Authored-By: Burdette Lamar <burdettelamar@yahoo.com>
Co-Authored-By: Jeremy Evans <code@jeremyevans.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/spec/ruby/core/env/delete_spec.rb b/spec/ruby/core/env/delete_spec.rb
index f11860b21d..36a1f2624b 100644
--- a/spec/ruby/core/env/delete_spec.rb
+++ b/spec/ruby/core/env/delete_spec.rb
@@ -30,6 +30,13 @@ describe "ENV.delete" do
     ScratchPad.recorded.should == "foo"
   end
 
+  ruby_version_is "2.8" do
+    it "returns the result of given block if the named environment variable does not exist" do
+      ENV.delete("foo")
+      ENV.delete("foo") { |name| "bar" }.should == "bar"
+    end
+  end
+
   it "does not evaluate the block if the environment variable exists" do
     ENV["foo"] = "bar"
     ENV.delete("foo") { |name| fail "Should not happen" }