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closed_test.go
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357 lines (321 loc) · 4.79 KB
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package equidistant
import (
"testing"
"github.com/ready-steady/adapt/internal"
"github.com/ready-steady/assert"
)
func BenchmarkClosedRefine(b *testing.B) {
const (
dimensions = 20
targetLevel = 3
)
grid := NewClosed(dimensions)
// Level 0
indices := make([]uint64, dimensions)
// Level 1, 2, …, (targetLevel - 1)
for i := 1; i < targetLevel; i++ {
indices = grid.Refine(indices)
}
b.ResetTimer()
// Level targetLevel
for i := 0; i < b.N; i++ {
grid.Refine(indices)
}
}
func TestClosedCompute1D(t *testing.T) {
grid := NewClosed(1)
levels := []uint64{0, 1, 1, 2, 2, 3, 3, 3, 3}
orders := []uint64{0, 0, 2, 1, 3, 1, 3, 5, 7}
nodes := []float64{0.5, 0.0, 1.0, 0.25, 0.75, 0.125, 0.375, 0.625, 0.875}
assert.Equal(grid.Compute(internal.Compose(levels, orders)), nodes, t)
}
func TestClosedCompute2D(t *testing.T) {
grid := NewClosed(2)
levels := []uint64{
0, 0,
0, 1,
0, 1,
1, 0,
1, 0,
0, 2,
0, 2,
1, 1,
1, 1,
1, 1,
1, 1,
2, 0,
2, 0,
}
orders := []uint64{
0, 0,
0, 0,
0, 2,
0, 0,
2, 0,
0, 1,
0, 3,
0, 0,
0, 2,
2, 0,
2, 2,
1, 0,
3, 0,
}
nodes := []float64{
0.50, 0.50,
0.50, 0.00,
0.50, 1.00,
0.00, 0.50,
1.00, 0.50,
0.50, 0.25,
0.50, 0.75,
0.00, 0.00,
0.00, 1.00,
1.00, 0.00,
1.00, 1.00,
0.25, 0.50,
0.75, 0.50,
}
assert.Equal(grid.Compute(internal.Compose(levels, orders)), nodes, t)
}
func TestClosedIndex1D(t *testing.T) {
cases := []struct {
level uint64
levels []uint64
orders []uint64
}{
{
level: 0,
levels: []uint64{0},
orders: []uint64{0},
},
{
level: 1,
levels: []uint64{1, 1},
orders: []uint64{0, 2},
},
{
level: 2,
levels: []uint64{2, 2},
orders: []uint64{1, 3},
},
{
level: 3,
levels: []uint64{3, 3, 3, 3},
orders: []uint64{1, 3, 5, 7},
},
}
for _, c := range cases {
assert.Equal(closedIndex(c.level), internal.Compose(c.levels, c.orders), t)
}
}
func TestClosedIndex2D(t *testing.T) {
grid := NewClosed(2)
cases := []struct {
level []uint64
levels []uint64
orders []uint64
}{
{
level: []uint64{0, 0},
levels: []uint64{
0, 0,
},
orders: []uint64{
0, 0,
},
},
{
level: []uint64{0, 1},
levels: []uint64{
0, 1,
0, 1,
},
orders: []uint64{
0, 0,
0, 2,
},
},
{
level: []uint64{1, 2},
levels: []uint64{
1, 2,
1, 2,
1, 2,
1, 2,
},
orders: []uint64{
0, 1,
2, 1,
0, 3,
2, 3,
},
},
{
level: []uint64{2, 3},
levels: []uint64{
2, 3,
2, 3,
2, 3,
2, 3,
2, 3,
2, 3,
2, 3,
2, 3,
},
orders: []uint64{
1, 1,
3, 1,
1, 3,
3, 3,
1, 5,
3, 5,
1, 7,
3, 7,
},
},
}
for _, c := range cases {
assert.Equal(grid.Index(c.level), internal.Compose(c.levels, c.orders), t)
}
}
func TestClosedParent(t *testing.T) {
grid := NewClosed(1)
childLevels := []uint64{1, 1, 2, 2, 3, 3, 3, 3}
childOrders := []uint64{0, 2, 1, 3, 1, 3, 5, 7}
parentLevels := []uint64{0, 0, 1, 1, 2, 2, 2, 2}
parentOrders := []uint64{0, 0, 0, 2, 1, 1, 3, 3}
for i := range childLevels {
level, order := grid.Parent(childLevels[i], childOrders[i])
assert.Equal(level, parentLevels[i], t)
assert.Equal(order, parentOrders[i], t)
}
}
func TestClosedRefine1D(t *testing.T) {
grid := NewClosed(1)
levels := []uint64{0, 1, 1, 2, 2, 3, 3, 3, 3}
orders := []uint64{0, 0, 2, 1, 3, 1, 3, 5, 7}
childLevels := []uint64{1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4}
childOrders := []uint64{0, 2, 1, 3, 1, 3, 5, 7, 1, 3, 5, 7, 9, 11, 13, 15}
indices := grid.Refine(internal.Compose(levels, orders))
assert.Equal(indices, internal.Compose(childLevels, childOrders), t)
}
func TestClosedRefine2D(t *testing.T) {
grid := NewClosed(2)
levels := []uint64{
0, 0,
0, 1,
0, 1,
1, 0,
1, 0,
0, 2,
0, 2,
1, 1,
1, 1,
1, 1,
1, 1,
2, 0,
2, 0,
}
orders := []uint64{
0, 0,
0, 0,
0, 2,
0, 0,
2, 0,
0, 1,
0, 3,
0, 0,
0, 2,
2, 0,
2, 2,
1, 0,
3, 0,
}
childLevels := []uint64{
1, 0,
1, 0,
0, 1,
0, 1,
1, 1,
1, 1,
0, 2,
1, 1,
1, 1,
0, 2,
2, 0,
1, 1,
1, 1,
2, 0,
1, 1,
1, 1,
1, 2,
1, 2,
0, 3,
0, 3,
1, 2,
1, 2,
0, 3,
0, 3,
2, 1,
1, 2,
2, 1,
1, 2,
2, 1,
1, 2,
2, 1,
1, 2,
3, 0,
3, 0,
2, 1,
2, 1,
3, 0,
3, 0,
2, 1,
2, 1,
}
childOrders := []uint64{
0, 0,
2, 0,
0, 0,
0, 2,
0, 0,
2, 0,
0, 1,
0, 2,
2, 2,
0, 3,
1, 0,
0, 0,
0, 2,
3, 0,
2, 0,
2, 2,
0, 1,
2, 1,
0, 1,
0, 3,
0, 3,
2, 3,
0, 5,
0, 7,
1, 0,
0, 1,
1, 2,
0, 3,
3, 0,
2, 1,
3, 2,
2, 3,
1, 0,
3, 0,
1, 0,
1, 2,
5, 0,
7, 0,
3, 0,
3, 2,
}
indices := grid.Refine(internal.Compose(levels, orders))
assert.Equal(indices, internal.Compose(childLevels, childOrders), t)
}