diff options
Diffstat (limited to 'spec/ruby/core/symbol/to_proc_spec.rb')
-rw-r--r-- | spec/ruby/core/symbol/to_proc_spec.rb | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/spec/ruby/core/symbol/to_proc_spec.rb b/spec/ruby/core/symbol/to_proc_spec.rb new file mode 100644 index 0000000000..be625994d9 --- /dev/null +++ b/spec/ruby/core/symbol/to_proc_spec.rb @@ -0,0 +1,41 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Symbol#to_proc" do + it "returns a new Proc" do + proc = :to_s.to_proc + proc.should be_kind_of(Proc) + end + + it "sends self to arguments passed when calling #call on the Proc" do + obj = mock("Receiving #to_s") + obj.should_receive(:to_s).and_return("Received #to_s") + :to_s.to_proc.call(obj).should == "Received #to_s" + end + + it "raises an ArgumentError when calling #call on the Proc without receiver" do + lambda { :object_id.to_proc.call }.should raise_error(ArgumentError) + end + + it "produces a proc that always returns [[:rest]] for #parameters" do + pr = :to_s.to_proc + pr.parameters.should == [[:rest]] + end +end + +describe "Symbol#to_proc" do + before :all do + @klass = Class.new do + def m + yield + end + + def to_proc + :m.to_proc.call(self) { :value } + end + end + end + + it "passes along the block passed to Proc#call" do + @klass.new.to_proc.should == :value + end +end |