diff options
Diffstat (limited to 'spec/ruby/core/env/shift_spec.rb')
-rw-r--r-- | spec/ruby/core/env/shift_spec.rb | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/spec/ruby/core/env/shift_spec.rb b/spec/ruby/core/env/shift_spec.rb new file mode 100644 index 0000000000..bae6a17ba0 --- /dev/null +++ b/spec/ruby/core/env/shift_spec.rb @@ -0,0 +1,59 @@ +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 + @orig = ENV.to_hash + @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.replace @orig + 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 |