diff options
Diffstat (limited to 'spec/ruby/library/set/join_spec.rb')
-rw-r--r-- | spec/ruby/library/set/join_spec.rb | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/spec/ruby/library/set/join_spec.rb b/spec/ruby/library/set/join_spec.rb new file mode 100644 index 0000000000..3f511a84e4 --- /dev/null +++ b/spec/ruby/library/set/join_spec.rb @@ -0,0 +1,29 @@ +require_relative '../../spec_helper' +require 'set' + +describe "Set#join" do + it "returns an empty string if the Set is empty" do + Set[].join.should == '' + end + + it "returns a new string formed by joining elements after conversion" do + set = Set[:a, :b, :c] + set.join.should == "abc" + end + + it "does not separate elements when the passed separator is nil" do + set = Set[:a, :b, :c] + set.join(nil).should == "abc" + end + + it "returns a string formed by concatenating each element separated by the separator" do + set = Set[:a, :b, :c] + set.join(' | ').should == "a | b | c" + end + + it "calls #to_a to convert the Set in to an Array" do + set = Set[:a, :b, :c] + set.should_receive(:to_a).and_return([:a, :b, :c]) + set.join.should == "abc" + end +end |