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# -*- encoding: ascii-8bit -*-
require File.expand_path('../../../spec_helper', __FILE__)
describe "ENV.[]" do
it "returns nil if the variable isn't found" do
ENV["this_var_is_never_set"].should == nil
end
it "returns only frozen values" do
ENV["returns_only_frozen_values"] = "a non-frozen string"
ENV["returns_only_frozen_values"].frozen?.should == true
end
end
with_feature :encoding do
describe "ENV.[]" do
before :each do
@variable = "env_element_reference_encoding_specs"
@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
ENV.delete @variable
end
it "uses the locale encoding if Encoding.default_internal is nil" do
Encoding.default_internal = nil
ENV[@variable] = "\xC3\xB8"
ENV[@variable].encoding.should == Encoding.find('locale')
end
it "transcodes from the locale encoding to Encoding.default_internal if set" do
# We cannot reliably know the locale encoding, so we merely check that
# the result string has the expected encoding.
ENV[@variable] = ""
Encoding.default_internal = Encoding::IBM437
ENV[@variable].encoding.should equal(Encoding::IBM437)
end
end
end
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