Function TestRunContainerIntersectCardinality

runcontainer_test.go:2669–2719

(t *testing.T)

}

func TestRunContainerIntersectCardinality(t *testing.T) {
	t.Run("Two Empty Runs", func(t *testing.T) {
		first := runContainer16{}
		second := runContainer16{}
		result := first.intersectCardinality(&second)
		assert.Equal(t, 0, result)
	})

	t.Run("First Run Empty", func(t *testing.T) {
		first := runContainer16{}
		second := runContainer16{}
		second.iaddRange(0, 1024)
		result := first.intersectCardinality(&second)
		assert.Equal(t, 0, result)
	})

	t.Run("Second Run Empty", func(t *testing.T) {
		first := runContainer16{}
		second := runContainer16{}
		first.iaddRange(0, 1024)
		result := first.intersectCardinality(&second)
		assert.Equal(t, 0, result)
	})

	t.Run("Disjoint Ranges", func(t *testing.T) {
		first := runContainer16{}
		first.iaddRange(512, 1024)
		second := runContainer16{}
		second.iaddRange(0, 256)
		result := first.intersectCardinality(&second)
		assert.Equal(t, 0, result)
	})

	t.Run("Complete Overlap", func(t *testing.T) {
		first := runContainer16{}
		first.iaddRange(0, 256)
		second := runContainer16{}
		second.iaddRange(0, 256)
		result := first.intersectCardinality(&second)
		assert.Equal(t, 256, result)
	})

	t.Run("Single Element Intersection", func(t *testing.T) {
		first := runContainer16{}
		first.iaddRange(0, 257)
		second := runContainer16{}
		second.iaddRange(256, 512)
		result := first.intersectCardinality(&second)
		assert.Equal(t, 1, result)
	})
}

// go test -bench BenchmarkShortIteratorAdvance -run -
func BenchmarkShortIteratorAdvanceRuntime(b *testing.B) {