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-rw-r--r--spec/rubyspec/core/env/each_key_spec.rb32
1 files changed, 32 insertions, 0 deletions
diff --git a/spec/rubyspec/core/env/each_key_spec.rb b/spec/rubyspec/core/env/each_key_spec.rb
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+++ b/spec/rubyspec/core/env/each_key_spec.rb
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+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../../enumerable/shared/enumeratorized', __FILE__)
+
+describe "ENV.each_key" do
+
+ it "returns each key" do
+ e = []
+ orig = ENV.to_hash
+ begin
+ ENV.clear
+ ENV["1"] = "3"
+ ENV["2"] = "4"
+ ENV.each_key { |k| e << k }
+ e.should include("1")
+ e.should include("2")
+ ensure
+ ENV.replace orig
+ end
+ end
+
+ it "returns an Enumerator if called without a block" do
+ ENV.each_key.should be_an_instance_of(Enumerator)
+ end
+
+ it "returns keys in the locale encoding" do
+ ENV.each_key do |key|
+ key.encoding.should == Encoding.find('locale')
+ end
+ end
+
+ it_behaves_like :enumeratorized_with_origin_size, :each_key, ENV
+end