1 files changed, 65 insertions, 0 deletions
diff --git a/spec/ruby/core/env/shared/each.rb b/spec/ruby/core/env/shared/each.rb
new file mode 100644
index 0000000000..494fd5cee1
--- /dev/null
+++ b/spec/ruby/core/env/shared/each.rb
@@ -0,0 +1,65 @@
+require File.expand_path('../../../enumerable/shared/enumeratorized', __FILE__)
+
+describe :env_each, shared: true do
+  it "returns each pair" do
+    orig = ENV.to_hash
+    e = []
+    begin
+      ENV.clear
+      ENV["foo"] = "bar"
+      ENV["baz"] = "boo"
+      ENV.send(@method) { |k, v| e << [k, v] }
+      e.should include(["foo", "bar"])
+      e.should include(["baz", "boo"])
+    ensure
+      ENV.replace orig
+    end
+  end
+
+  it "returns an Enumerator if called without a block" do
+    ENV.send(@method).should be_an_instance_of(Enumerator)
+  end
+
+  before :all do
+    @object = ENV
+  end
+  it_should_behave_like :enumeratorized_with_origin_size
+
+  with_feature :encoding do
+    describe "with encoding" do
+      before :each do
+        @external = Encoding.default_external
+        @internal = Encoding.default_internal
+
+        Encoding.default_external = Encoding::ASCII_8BIT
+
+        @locale_encoding = Encoding.find "locale"
+      end
+
+      after :each do
+        Encoding.default_external = @external
+        Encoding.default_internal = @internal
+      end
+
+      it "uses the locale encoding when Encoding.default_internal is nil" do
+        Encoding.default_internal = nil
+
+        ENV.send(@method) do |key, value|
+          key.encoding.should equal(@locale_encoding)
+          value.encoding.should equal(@locale_encoding)
+        end
+      end
+
+      it "transcodes from the locale encoding to Encoding.default_internal if set" do
+        Encoding.default_internal = internal = Encoding::IBM437
+
+        ENV.send(@method) do |key, value|
+          key.encoding.should equal(internal)
+          if value.ascii_only?
+            value.encoding.should equal(internal)
+          end
+        end
+      end
+    end
+  end
+end