1 files changed, 15 insertions, 0 deletions
diff --git a/spec/ruby/core/env/filter_spec.rb b/spec/ruby/core/env/filter_spec.rb
new file mode 100644
index 0000000000..ba18a3b33b
--- /dev/null
+++ b/spec/ruby/core/env/filter_spec.rb
@@ -0,0 +1,15 @@
+require_relative '../../spec_helper'
+require_relative '../enumerable/shared/enumeratorized'
+require_relative 'shared/select'
+
+ruby_version_is "2.6" do
+  describe "ENV.filter!" do
+    it_behaves_like :env_select!, :filter!
+    it_behaves_like :enumeratorized_with_origin_size, :filter!, ENV
+  end
+
+  describe "ENV.filter" do
+    it_behaves_like :env_select, :filter
+    it_behaves_like :enumeratorized_with_origin_size, :filter, ENV
+  end
+end