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-rw-r--r--spec/rubyspec/core/env/update_spec.rb25
1 files changed, 25 insertions, 0 deletions
diff --git a/spec/rubyspec/core/env/update_spec.rb b/spec/rubyspec/core/env/update_spec.rb
new file mode 100644
index 0000000000..7ebfbb313d
--- /dev/null
+++ b/spec/rubyspec/core/env/update_spec.rb
@@ -0,0 +1,25 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "ENV.update" do
+
+ it "adds the parameter hash to ENV" do
+ ENV["foo"].should == nil
+ ENV.update "foo" => "bar"
+ ENV["foo"].should == "bar"
+ ENV.delete "foo"
+ end
+
+ it "yields key, the old value and the new value when replacing entries" do
+ ENV.update "foo" => "bar"
+ ENV["foo"].should == "bar"
+ ENV.update("foo" => "boo") do |key, old, new|
+ key.should == "foo"
+ old.should == "bar"
+ new.should == "boo"
+ "rab"
+ end
+ ENV["foo"].should == "rab"
+ ENV.delete "foo"
+ end
+
+end