diff options
Diffstat (limited to 'spec/rubyspec/library/set/shared/intersection.rb')
| -rw-r--r-- | spec/rubyspec/library/set/shared/intersection.rb | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/spec/rubyspec/library/set/shared/intersection.rb b/spec/rubyspec/library/set/shared/intersection.rb new file mode 100644 index 0000000000..ed0db7457d --- /dev/null +++ b/spec/rubyspec/library/set/shared/intersection.rb @@ -0,0 +1,15 @@ +describe :set_intersection, shared: true do + before :each do + @set = Set[:a, :b, :c] + end + + it "returns a new Set containing only elements shared by self and the passed Enumerable" do + @set.send(@method, Set[:b, :c, :d, :e]).should == Set[:b, :c] + @set.send(@method, [:b, :c, :d]).should == Set[:b, :c] + end + + it "raises an ArgumentError when passed a non-Enumerable" do + lambda { @set.send(@method, 1) }.should raise_error(ArgumentError) + lambda { @set.send(@method, Object.new) }.should raise_error(ArgumentError) + end +end |