Function TestRle16RandomGetShortIterator030

runcontainer_test.go:1970–2029

(t *testing.T)

}

func TestRle16RandomGetShortIterator030(t *testing.T) {
	t.Run("runContainer16.getShortIterator should traverse the contents expected, matching the traversal of the bitmap and array containers", func(t *testing.T) {
		seed := int64(42)
		rand.Seed(seed)

		trials := []trial{
			{n: 100, percentFill: .95, ntrial: 1},
		}

		tester := func(tr trial) {
			for j := 0; j < tr.ntrial; j++ {
				ma := make(map[int]bool)

				n := tr.n
				a := []uint16{}

				draw := int(float64(n) * tr.percentFill)
				for i := 0; i < draw; i++ {
					r0 := rand.Intn(n)
					a = append(a, uint16(r0))
					ma[r0] = true
				}

				// showArray16(a, "a")

				// RunContainer
				rc := newRunContainer16FromVals(false, a...)

				// vs bitmapContainer
				bc := newBitmapContainer()
				for _, av := range a {
					bc.iadd(av)
				}

				// vs arrayContainer
				ac := newArrayContainer()
				for _, av := range a {
					ac.iadd(av)
				}

				rit := rc.getShortIterator()
				ait := ac.getShortIterator()
				bit := bc.getShortIterator()

				for ait.hasNext() {
					rn := rit.next()
					an := ait.next()
					bn := bit.next()

					assert.Equal(t, an, rn)
					assert.Equal(t, bn, rn)
				}
			}
		}

		for i := range trials {
			tester(trials[i])
		}