diff options
Diffstat (limited to 'spec/ruby/core/binding/local_variables_spec.rb')
-rw-r--r-- | spec/ruby/core/binding/local_variables_spec.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/spec/ruby/core/binding/local_variables_spec.rb b/spec/ruby/core/binding/local_variables_spec.rb new file mode 100644 index 0000000000..bc6ea71f10 --- /dev/null +++ b/spec/ruby/core/binding/local_variables_spec.rb @@ -0,0 +1,35 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Binding#local_variables" do + it "returns an Array" do + binding.local_variables.should be_kind_of(Array) + end + + it "includes local variables in the current scope" do + a = 1 + b = nil + binding.local_variables.should == [:a, :b] + end + + it "includes local variables defined after calling binding.local_variables" do + binding.local_variables.should == [:a, :b] + a = 1 + b = 2 + end + + it "includes local variables of inherited scopes and eval'ed context" do + p = proc { |a| b = 1; eval("c = 2; binding.local_variables") } + p.call.should == [:c, :a, :b, :p] + end + + it "includes shadowed local variables only once" do + a = 1 + proc { |a| binding.local_variables }.call(2).should == [:a] + end + + it "includes new variables defined in the binding" do + b = binding + b.local_variable_set :a, 42 + b.local_variables.should == [:a, :b] + end +end |