diff options
Diffstat (limited to 'spec/ruby/library/set/sortedset/proper_superset_spec.rb')
-rw-r--r-- | spec/ruby/library/set/sortedset/proper_superset_spec.rb | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/spec/ruby/library/set/sortedset/proper_superset_spec.rb b/spec/ruby/library/set/sortedset/proper_superset_spec.rb new file mode 100644 index 0000000000..ccfa37988d --- /dev/null +++ b/spec/ruby/library/set/sortedset/proper_superset_spec.rb @@ -0,0 +1,33 @@ +require File.expand_path('../../../../spec_helper', __FILE__) +require 'set' + +describe "SortedSet#proper_superset?" do + before :each do + @set = SortedSet[1, 2, 3, 4] + end + + it "returns true if passed a SortedSet that self is a proper superset of" do + @set.proper_superset?(SortedSet[]).should be_true + SortedSet[1, 2, 3].proper_superset?(SortedSet[]).should be_true + SortedSet["a", "b", "c"].proper_superset?(SortedSet[]).should be_true + + @set.proper_superset?(SortedSet[1, 2, 3]).should be_true + @set.proper_superset?(SortedSet[1, 3]).should be_true + @set.proper_superset?(SortedSet[1, 2]).should be_true + @set.proper_superset?(SortedSet[1]).should be_true + + @set.proper_superset?(SortedSet[5]).should be_false + @set.proper_superset?(SortedSet[1, 5]).should be_false + @set.proper_superset?(SortedSet["test"]).should be_false + + @set.proper_superset?(@set).should be_false + SortedSet[].proper_superset?(SortedSet[]).should be_false + end + + it "raises an ArgumentError when passed a non-SortedSet" do + lambda { SortedSet[].proper_superset?([]) }.should raise_error(ArgumentError) + lambda { SortedSet[].proper_superset?(1) }.should raise_error(ArgumentError) + lambda { SortedSet[].proper_superset?("test") }.should raise_error(ArgumentError) + lambda { SortedSet[].proper_superset?(Object.new) }.should raise_error(ArgumentError) + end +end |