diff options
Diffstat (limited to 'spec/ruby/core/env/clear_spec.rb')
-rw-r--r-- | spec/ruby/core/env/clear_spec.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/spec/ruby/core/env/clear_spec.rb b/spec/ruby/core/env/clear_spec.rb new file mode 100644 index 0000000000..c184926cc2 --- /dev/null +++ b/spec/ruby/core/env/clear_spec.rb @@ -0,0 +1,20 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "ENV.clear" do + it "deletes all environment variables" do + orig = ENV.to_hash + begin + ENV.clear + + # This used 'env' the helper before. That shells out to 'env' which + # itself sets up certain environment variables before it runs, because + # the shell sets them up before it runs any command. + # + # Thusly, you can ONLY test this by asking through ENV itself. + ENV.size.should == 0 + ensure + ENV.replace orig + end + end + +end |