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require File.expand_path('../../../spec_helper', __FILE__)
describe "ENV.shift" do
it "returns a pair and deletes it" do
ENV.empty?.should == false
orig = ENV.to_hash
begin
pair = ENV.shift
ENV.has_key?(pair.first).should == false
ensure
ENV.replace orig
end
ENV.has_key?(pair.first).should == true
end
it "returns nil if ENV.empty?" do
orig = ENV.to_hash
begin
ENV.clear
ENV.shift.should == nil
ensure
ENV.replace orig
end
end
end
with_feature :encoding do
describe "ENV.shift" do
before :each do
@external = Encoding.default_external
@internal = Encoding.default_internal
Encoding.default_external = Encoding::ASCII_8BIT
end
after :each do
Encoding.default_external = @external
Encoding.default_internal = @internal
end
it "uses the locale encoding if Encoding.default_internal is nil" do
Encoding.default_internal = nil
pair = ENV.shift
pair.first.encoding.should equal(Encoding.find("locale"))
pair.last.encoding.should equal(Encoding.find("locale"))
end
it "transcodes from the locale encoding to Encoding.default_internal if set" do
Encoding.default_internal = Encoding::IBM437
pair = ENV.shift
pair.first.encoding.should equal(Encoding::IBM437)
pair.last.encoding.should equal(Encoding::IBM437)
end
end
end
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