diff options
Diffstat (limited to 'spec/ruby/core/env/delete_spec.rb')
-rw-r--r-- | spec/ruby/core/env/delete_spec.rb | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/spec/ruby/core/env/delete_spec.rb b/spec/ruby/core/env/delete_spec.rb new file mode 100644 index 0000000000..e02adf963f --- /dev/null +++ b/spec/ruby/core/env/delete_spec.rb @@ -0,0 +1,24 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "ENV.delete" do + after :each do + ENV.delete("foo") + end + + it "removes the variable from the environment" do + ENV["foo"] = "bar" + ENV.delete("foo") + ENV["foo"].should == nil + end + + it "returns the previous value" do + ENV["foo"] = "bar" + ENV.delete("foo").should == "bar" + end + + it "yields the name to the given block if the named environment variable does not exist" do + ENV.delete("foo") + ENV.delete("foo") { |name| ScratchPad.record name } + ScratchPad.recorded.should == "foo" + end +end |