spec/ruby/core/env/clone_spec.rb


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

require_relative '../../spec_helper'

describe "ENV#clone" do
  it "raises ArgumentError when keyword argument 'freeze' is neither nil nor boolean" do
    -> {
      ENV.clone(freeze: 1)
    }.should raise_error(ArgumentError)
  end

  it "raises ArgumentError when keyword argument is not 'freeze'" do
    -> {
      ENV.clone(foo: nil)
    }.should raise_error(ArgumentError)
  end

  it "raises TypeError" do
    -> {
      ENV.clone
    }.should raise_error(TypeError, /Cannot clone ENV, use ENV.to_h to get a copy of ENV as a hash/)
  end
end