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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
require File.expand_path('../shared/iteration', __FILE__)
describe "Hash#each_key" do
it "calls block once for each key, passing key" do
r = new_hash
h = new_hash(1 => -1, 2 => -2, 3 => -3, 4 => -4)
h.each_key { |k| r[k] = k }.should equal(h)
r.should == new_hash(1 => 1, 2 => 2, 3 => 3, 4 => 4)
end
it "processes keys in the same order as keys()" do
keys = []
h = new_hash(1 => -1, 2 => -2, 3 => -3, 4 => -4)
h.each_key { |k| keys << k }
keys.should == h.keys
end
it_behaves_like(:hash_iteration_no_block, :each_key)
end
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