diff options
Diffstat (limited to 'spec/ruby/core/queue/initialize_spec.rb')
-rw-r--r-- | spec/ruby/core/queue/initialize_spec.rb | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/spec/ruby/core/queue/initialize_spec.rb b/spec/ruby/core/queue/initialize_spec.rb index c45abcd29d..c6c1ae63c5 100644 --- a/spec/ruby/core/queue/initialize_spec.rb +++ b/spec/ruby/core/queue/initialize_spec.rb @@ -22,16 +22,29 @@ describe "Queue#initialize" do q.should.empty? end - it "uses #to_a on the provided Enumerable" do - enumerable = MockObject.new('mock-enumerable') - enumerable.should_receive(:to_a).and_return([1, 2, 3]) - q = Queue.new(enumerable) - q.size.should == 3 - q.should_not.empty? - q.pop.should == 1 - q.pop.should == 2 - q.pop.should == 3 - q.should.empty? + describe "converts the given argument to an Array using #to_a" do + it "uses #to_a on the provided Enumerable" do + enumerable = MockObject.new('mock-enumerable') + enumerable.should_receive(:to_a).and_return([1, 2, 3]) + q = Queue.new(enumerable) + q.size.should == 3 + q.should_not.empty? + q.pop.should == 1 + q.pop.should == 2 + q.pop.should == 3 + q.should.empty? + end + + it "raises a TypeError if the given argument can't be converted to an Array" do + -> { Queue.new(42) }.should raise_error(TypeError) + -> { Queue.new(:abc) }.should raise_error(TypeError) + end + + it "raises a NoMethodError if the given argument raises a NoMethodError during type coercion to an Array" do + enumerable = MockObject.new('mock-enumerable') + enumerable.should_receive(:to_a).and_raise(NoMethodError) + -> { Queue.new(enumerable) }.should raise_error(NoMethodError) + end end it "raises TypeError if the provided Enumerable does not respond to #to_a" do |