BeforeEach(func() {
		threshold = 1234
		fakeCake = new(fake_cake.FakeCake)
		logger = lagertest.NewTestLogger("test")
	})

	Context("when there are no layers in the graph", func() {
		It("is not exceeded", func() {
			threshold := cleaner.NewThreshold(threshold)
			Expect(threshold.Exceeded(logger, fakeCake)).To(BeFalse())
		})
	})

	Context("when the limit is -1", func() {
		It("always returns false", func() {
			fakeCake.AllReturns([]*image.Image{{Size: 9999999}})
			threshold := cleaner.NewThreshold(-1)
			Expect(threshold.Exceeded(logger, fakeCake)).To(BeFalse())
		})
	})

	Context("when there is just one layer in the graph", func() {
		Context("and it exceeds the threshold", func() {
			BeforeEach(func() {
				fakeCake.AllReturns(
					[]*image.Image{
						&image.Image{
							Size: 1235,
						},
					},
				)