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Diffstat (limited to 'spec/ruby/core/env/element_reference_spec.rb')
-rw-r--r-- | spec/ruby/core/env/element_reference_spec.rb | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/spec/ruby/core/env/element_reference_spec.rb b/spec/ruby/core/env/element_reference_spec.rb new file mode 100644 index 0000000000..2e6402dd28 --- /dev/null +++ b/spec/ruby/core/env/element_reference_spec.rb @@ -0,0 +1,66 @@ +# -*- encoding: ascii-8bit -*- +require File.expand_path('../../../spec_helper', __FILE__) + +describe "ENV.[]" do + before :each do + @variable = "returns_only_frozen_values" + end + + after :each do + ENV.delete @variable + end + + 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[@variable] = "a non-frozen string" + ENV[@variable].frozen?.should == true + end + + platform_is :windows do + it "looks up values case-insensitively" do + ENV[@variable] = "bar" + ENV[@variable.upcase].should == "bar" + end + 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 + + locale = Encoding.find('locale') + locale = Encoding::ASCII_8BIT if locale == Encoding::US_ASCII + ENV[@variable] = "\xC3\xB8" + ENV[@variable].encoding.should == 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 |