diff options
Diffstat (limited to 'spec/ruby/library/set/sortedset/merge_spec.rb')
-rw-r--r-- | spec/ruby/library/set/sortedset/merge_spec.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/spec/ruby/library/set/sortedset/merge_spec.rb b/spec/ruby/library/set/sortedset/merge_spec.rb new file mode 100644 index 0000000000..31570ad4db --- /dev/null +++ b/spec/ruby/library/set/sortedset/merge_spec.rb @@ -0,0 +1,19 @@ +require_relative '../../../spec_helper' +require 'set' + +describe "SortedSet#merge" do + it "adds the elements of the passed Enumerable to self" do + SortedSet["a", "b"].merge(SortedSet["b", "c", "d"]).should == SortedSet["a", "b", "c", "d"] + SortedSet[1, 2].merge([3, 4]).should == SortedSet[1, 2, 3, 4] + end + + it "returns self" do + set = SortedSet[1, 2] + set.merge([3, 4]).should equal(set) + end + + it "raises an ArgumentError when passed a non-Enumerable" do + -> { SortedSet[1, 2].merge(1) }.should raise_error(ArgumentError) + -> { SortedSet[1, 2].merge(Object.new) }.should raise_error(ArgumentError) + end +end |