tile38/internal/collection/collection_test.go

798 lines
21 KiB
Go

package collection
import (
"fmt"
"math/rand"
"reflect"
"strconv"
"testing"
"time"
"github.com/tidwall/geojson"
"github.com/tidwall/geojson/geometry"
"github.com/tidwall/gjson"
)
func PO(x, y float64) *geojson.Point {
return geojson.NewPoint(geometry.Point{X: x, Y: y})
}
func init() {
seed := time.Now().UnixNano()
println(seed)
rand.Seed(seed)
}
func expect(t testing.TB, expect bool) {
t.Helper()
if !expect {
t.Fatal("not what you expected")
}
}
func bounds(c *Collection) geometry.Rect {
minX, minY, maxX, maxY := c.Bounds()
return geometry.Rect{
Min: geometry.Point{X: minX, Y: minY},
Max: geometry.Point{X: maxX, Y: maxY},
}
}
func TestCollectionNewCollection(t *testing.T) {
const numItems = 10000
objs := make(map[string]geojson.Object)
c := New()
for i := 0; i < numItems; i++ {
id := strconv.FormatInt(int64(i), 10)
obj := PO(rand.Float64()*360-180, rand.Float64()*180-90)
objs[id] = obj
c.Set(id, obj, nil, nil)
}
count := 0
bbox := geometry.Rect{
Min: geometry.Point{X: -180, Y: -90},
Max: geometry.Point{X: 180, Y: 90},
}
c.geoSearch(bbox, func(id string, obj geojson.Object, field []float64) bool {
count++
return true
})
if count != len(objs) {
t.Fatalf("count = %d, expect %d", count, len(objs))
}
count = c.Count()
if count != len(objs) {
t.Fatalf("c.Count() = %d, expect %d", count, len(objs))
}
testCollectionVerifyContents(t, c, objs)
}
func TestCollectionSet(t *testing.T) {
t.Run("AddString", func(t *testing.T) {
c := New()
str1 := String("hello")
oldObject, oldFields, newFields := c.Set("str", str1, nil, nil)
expect(t, oldObject == nil)
expect(t, len(oldFields) == 0)
expect(t, len(newFields) == 0)
})
t.Run("UpdateString", func(t *testing.T) {
c := New()
str1 := String("hello")
str2 := String("world")
oldObject, oldFields, newFields := c.Set("str", str1, nil, nil)
expect(t, oldObject == nil)
expect(t, len(oldFields) == 0)
expect(t, len(newFields) == 0)
oldObject, oldFields, newFields = c.Set("str", str2, nil, nil)
expect(t, oldObject == str1)
expect(t, len(oldFields) == 0)
expect(t, len(newFields) == 0)
})
t.Run("AddPoint", func(t *testing.T) {
c := New()
point1 := PO(-112.1, 33.1)
oldObject, oldFields, newFields := c.Set("point", point1, nil, nil)
expect(t, oldObject == nil)
expect(t, len(oldFields) == 0)
expect(t, len(newFields) == 0)
})
t.Run("UpdatePoint", func(t *testing.T) {
c := New()
point1 := PO(-112.1, 33.1)
point2 := PO(-112.2, 33.2)
oldObject, oldFields, newFields := c.Set("point", point1, nil, nil)
expect(t, oldObject == nil)
expect(t, len(oldFields) == 0)
expect(t, len(newFields) == 0)
oldObject, oldFields, newFields = c.Set("point", point2, nil, nil)
expect(t, oldObject == point1)
expect(t, len(oldFields) == 0)
expect(t, len(newFields) == 0)
})
t.Run("Fields", func(t *testing.T) {
c := New()
str1 := String("hello")
fNames := []string{"a", "b", "c"}
fValues := []float64{1, 2, 3}
oldObj, oldFlds, newFlds := c.Set("str", str1, fNames, fValues)
expect(t, oldObj == nil)
expect(t, len(oldFlds) == 0)
expect(t, reflect.DeepEqual(newFlds, fValues))
str2 := String("hello")
fNames = []string{"d", "e", "f"}
fValues = []float64{4, 5, 6}
oldObj, oldFlds, newFlds = c.Set("str", str2, fNames, fValues)
expect(t, oldObj == str1)
expect(t, reflect.DeepEqual(oldFlds, []float64{1, 2, 3}))
expect(t, reflect.DeepEqual(newFlds, []float64{1, 2, 3, 4, 5, 6}))
fValues = []float64{7, 8, 9, 10, 11, 12}
oldObj, oldFlds, newFlds = c.Set("str", str1, nil, fValues)
expect(t, oldObj == str2)
expect(t, reflect.DeepEqual(oldFlds, []float64{1, 2, 3, 4, 5, 6}))
expect(t, reflect.DeepEqual(newFlds, []float64{7, 8, 9, 10, 11, 12}))
})
t.Run("Delete", func(t *testing.T) {
c := New()
c.Set("1", String("1"), nil, nil)
c.Set("2", String("2"), nil, nil)
c.Set("3", PO(1, 2), nil, nil)
expect(t, c.Count() == 3)
expect(t, c.StringCount() == 2)
expect(t, c.PointCount() == 1)
expect(t, bounds(c) == geometry.Rect{
Min: geometry.Point{X: 1, Y: 2},
Max: geometry.Point{X: 1, Y: 2}})
var v geojson.Object
var ok bool
var flds []float64
var updated bool
var updateCount int
v, _, ok = c.Delete("2")
expect(t, v.String() == "2")
expect(t, ok)
expect(t, c.Count() == 2)
expect(t, c.StringCount() == 1)
expect(t, c.PointCount() == 1)
v, _, ok = c.Delete("1")
expect(t, v.String() == "1")
expect(t, ok)
expect(t, c.Count() == 1)
expect(t, c.StringCount() == 0)
expect(t, c.PointCount() == 1)
expect(t, len(c.FieldMap()) == 0)
_, flds, updated, ok = c.SetField("3", "hello", 123)
expect(t, ok)
expect(t, reflect.DeepEqual(flds, []float64{123}))
expect(t, updated)
expect(t, c.FieldMap()["hello"] == 0)
_, flds, updated, ok = c.SetField("3", "hello", 1234)
expect(t, ok)
expect(t, reflect.DeepEqual(flds, []float64{1234}))
expect(t, updated)
_, flds, updated, ok = c.SetField("3", "hello", 1234)
expect(t, ok)
expect(t, reflect.DeepEqual(flds, []float64{1234}))
expect(t, !updated)
_, flds, updateCount, ok = c.SetFields("3",
[]string{"planet", "world"}, []float64{55, 66})
expect(t, ok)
expect(t, reflect.DeepEqual(flds, []float64{1234, 55, 66}))
expect(t, updateCount == 2)
expect(t, c.FieldMap()["hello"] == 0)
expect(t, c.FieldMap()["planet"] == 1)
expect(t, c.FieldMap()["world"] == 2)
v, _, ok = c.Delete("3")
expect(t, v.String() == `{"type":"Point","coordinates":[1,2]}`)
expect(t, ok)
expect(t, c.Count() == 0)
expect(t, c.StringCount() == 0)
expect(t, c.PointCount() == 0)
v, _, ok = c.Delete("3")
expect(t, v == nil)
expect(t, !ok)
expect(t, c.Count() == 0)
expect(t, bounds(c) == geometry.Rect{})
v, _, ok = c.Get("3")
expect(t, v == nil)
expect(t, !ok)
_, _, _, ok = c.SetField("3", "hello", 123)
expect(t, !ok)
_, _, _, ok = c.SetFields("3", []string{"hello"}, []float64{123})
expect(t, !ok)
expect(t, c.TotalWeight() == 0)
expect(t, c.FieldMap()["hello"] == 0)
expect(t, c.FieldMap()["planet"] == 1)
expect(t, c.FieldMap()["world"] == 2)
expect(t, reflect.DeepEqual(
c.FieldArr(), []string{"hello", "planet", "world"}),
)
})
}
func TestCollectionScan(t *testing.T) {
N := 256
c := New()
for _, i := range rand.Perm(N) {
id := fmt.Sprintf("%04d", i)
c.Set(id, String(id), []string{"ex"}, []float64{float64(i)})
}
var n int
var prevID string
c.Scan(false, nil, nil, func(id string, obj geojson.Object, fields []float64) bool {
if n > 0 {
expect(t, id > prevID)
}
expect(t, id == fmt.Sprintf("%04d", int(fields[0])))
n++
prevID = id
return true
})
expect(t, n == c.Count())
n = 0
c.Scan(true, nil, nil, func(id string, obj geojson.Object, fields []float64) bool {
if n > 0 {
expect(t, id < prevID)
}
expect(t, id == fmt.Sprintf("%04d", int(fields[0])))
n++
prevID = id
return true
})
expect(t, n == c.Count())
n = 0
c.ScanRange("0060", "0070", false, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
if n > 0 {
expect(t, id > prevID)
}
expect(t, id == fmt.Sprintf("%04d", int(fields[0])))
n++
prevID = id
return true
})
expect(t, n == 10)
n = 0
c.ScanRange("0070", "0060", true, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
if n > 0 {
expect(t, id < prevID)
}
expect(t, id == fmt.Sprintf("%04d", int(fields[0])))
n++
prevID = id
return true
})
expect(t, n == 10)
n = 0
c.ScanGreaterOrEqual("0070", true, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
if n > 0 {
expect(t, id < prevID)
}
expect(t, id == fmt.Sprintf("%04d", int(fields[0])))
n++
prevID = id
return true
})
expect(t, n == 71)
n = 0
c.ScanGreaterOrEqual("0070", false, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
if n > 0 {
expect(t, id > prevID)
}
expect(t, id == fmt.Sprintf("%04d", int(fields[0])))
n++
prevID = id
return true
})
expect(t, n == c.Count()-70)
}
func TestCollectionSearch(t *testing.T) {
N := 256
c := New()
for i, j := range rand.Perm(N) {
id := fmt.Sprintf("%04d", j)
ex := fmt.Sprintf("%04d", i)
c.Set(id, String(ex), []string{"i", "j"},
[]float64{float64(i), float64(j)})
}
var n int
var prevValue string
c.SearchValues(false, nil, nil, func(id string, obj geojson.Object, fields []float64) bool {
if n > 0 {
expect(t, obj.String() > prevValue)
}
expect(t, id == fmt.Sprintf("%04d", int(fields[1])))
n++
prevValue = obj.String()
return true
})
expect(t, n == c.Count())
n = 0
c.SearchValues(true, nil, nil, func(id string, obj geojson.Object, fields []float64) bool {
if n > 0 {
expect(t, obj.String() < prevValue)
}
expect(t, id == fmt.Sprintf("%04d", int(fields[1])))
n++
prevValue = obj.String()
return true
})
expect(t, n == c.Count())
n = 0
c.SearchValuesRange("0060", "0070", false, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
if n > 0 {
expect(t, obj.String() > prevValue)
}
expect(t, id == fmt.Sprintf("%04d", int(fields[1])))
n++
prevValue = obj.String()
return true
})
expect(t, n == 10)
n = 0
c.SearchValuesRange("0070", "0060", true, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
if n > 0 {
expect(t, obj.String() < prevValue)
}
expect(t, id == fmt.Sprintf("%04d", int(fields[1])))
n++
prevValue = obj.String()
return true
})
expect(t, n == 10)
}
func TestCollectionWeight(t *testing.T) {
c := New()
c.Set("1", String("1"), nil, nil)
expect(t, c.TotalWeight() > 0)
c.Delete("1")
expect(t, c.TotalWeight() == 0)
c.Set("1", String("1"),
[]string{"a", "b", "c"},
[]float64{1, 2, 3},
)
expect(t, c.TotalWeight() > 0)
c.Delete("1")
expect(t, c.TotalWeight() == 0)
c.Set("1", String("1"),
[]string{"a", "b", "c"},
[]float64{1, 2, 3},
)
c.Set("2", String("2"),
[]string{"d", "e", "f"},
[]float64{4, 5, 6},
)
c.Set("1", String("1"),
[]string{"d", "e", "f"},
[]float64{4, 5, 6},
)
c.Delete("1")
c.Delete("2")
expect(t, c.TotalWeight() == 0)
}
func TestSpatialSearch(t *testing.T) {
json := `
{"type":"FeatureCollection","features":[
{"type":"Feature","id":"p1","properties":{"marker-color":"#962d28","stroke":"#962d28","fill":"#962d28"},"geometry":{"type":"Point","coordinates":[-71.4743041992187,42.51867517417283]}},
{"type":"Feature","id":"p2","properties":{"marker-color":"#962d28","stroke":"#962d28","fill":"#962d28"},"geometry":{"type":"Point","coordinates":[-71.4056396484375,42.50197174319114]}},
{"type":"Feature","id":"p3","properties":{"marker-color":"#962d28","stroke":"#962d28","fill":"#962d28"},"geometry":{"type":"Point","coordinates":[-71.4619445800781,42.49437779897246]}},
{"type":"Feature","id":"p4","properties":{"marker-color":"#962d28","stroke":"#962d28","fill":"#962d28"},"geometry":{"type":"Point","coordinates":[-71.4337921142578,42.53891577257117]}},
{"type":"Feature","id":"r1","properties":{"marker-color":"#962d28","stroke":"#962d28","fill":"#962d28"},"geometry":{"type":"Polygon","coordinates":[[[-71.4279556274414,42.48804880765346],[-71.37439727783203,42.48804880765346],[-71.37439727783203,42.52322988064187],[-71.4279556274414,42.52322988064187],[-71.4279556274414,42.48804880765346]]]}},
{"type":"Feature","id":"r2","properties":{"marker-color":"#962d28","stroke":"#962d28","fill":"#962d28"},"geometry":{"type":"Polygon","coordinates":[[[-71.4825439453125,42.53588010092859],[-71.45027160644531,42.53588010092859],[-71.45027160644531,42.55839115400447],[-71.4825439453125,42.55839115400447],[-71.4825439453125,42.53588010092859]]]}},
{"type":"Feature","id":"r3","properties":{"marker-color":"#962d28","stroke":"#962d28","fill":"#962d28"},"geometry":{"type":"Polygon","coordinates": [[[-71.4111328125,42.53512115995963],[-71.3833236694336,42.53512115995963],[-71.3833236694336,42.54953946116446],[-71.4111328125,42.54953946116446],[-71.4111328125,42.53512115995963]]]}},
{"type":"Feature","id":"q1","properties":{},"geometry":{"type":"Polygon","coordinates":[[[-71.55258178710938,42.51361399979923],[-71.42074584960938,42.51361399979923],[-71.42074584960938,42.59100512331456],[-71.55258178710938,42.59100512331456],[-71.55258178710938,42.51361399979923]]]}},
{"type":"Feature","id":"q2","properties":{},"geometry":{"type":"Polygon","coordinates":[[[-71.52992248535156,42.48121277771616],[-71.36375427246092,42.48121277771616],[-71.36375427246092,42.57786045892046],[-71.52992248535156,42.57786045892046],[-71.52992248535156,42.48121277771616]]]}},
{"type":"Feature","id":"q3","properties":{},"geometry":{"type":"Polygon","coordinates":[[[-71.49490356445312,42.56673588590953],[-71.52236938476562,42.47462922809497],[-71.42898559570312,42.464499337722344],[-71.43241882324219,42.522217752342236],[-71.37954711914061,42.56420729713456],[-71.49490356445312,42.56673588590953]]]}},
{"type":"Feature","id":"q4","properties":{},"geometry":{"type":"Point","coordinates": [-71.46366119384766,42.54043355305221]}}
]}
`
p1, _ := geojson.Parse(gjson.Get(json, `features.#[id=="p1"]`).Raw, nil)
p2, _ := geojson.Parse(gjson.Get(json, `features.#[id=="p2"]`).Raw, nil)
p3, _ := geojson.Parse(gjson.Get(json, `features.#[id=="p3"]`).Raw, nil)
p4, _ := geojson.Parse(gjson.Get(json, `features.#[id=="p4"]`).Raw, nil)
r1, _ := geojson.Parse(gjson.Get(json, `features.#[id=="r1"]`).Raw, nil)
r2, _ := geojson.Parse(gjson.Get(json, `features.#[id=="r2"]`).Raw, nil)
r3, _ := geojson.Parse(gjson.Get(json, `features.#[id=="r3"]`).Raw, nil)
q1, _ := geojson.Parse(gjson.Get(json, `features.#[id=="q1"]`).Raw, nil)
q2, _ := geojson.Parse(gjson.Get(json, `features.#[id=="q2"]`).Raw, nil)
q3, _ := geojson.Parse(gjson.Get(json, `features.#[id=="q3"]`).Raw, nil)
q4, _ := geojson.Parse(gjson.Get(json, `features.#[id=="q4"]`).Raw, nil)
c := New()
c.Set("p1", p1, nil, nil)
c.Set("p2", p2, nil, nil)
c.Set("p3", p3, nil, nil)
c.Set("p4", p4, nil, nil)
c.Set("r1", r1, nil, nil)
c.Set("r2", r2, nil, nil)
c.Set("r3", r3, nil, nil)
var n int
n = 0
c.Within(q1, 0, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
n++
return true
},
)
expect(t, n == 3)
n = 0
c.Within(q2, 0, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
n++
return true
},
)
expect(t, n == 7)
n = 0
c.Within(q3, 0, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
n++
return true
},
)
expect(t, n == 4)
n = 0
c.Intersects(q1, 0, nil, nil,
func(_ string, _ geojson.Object, _ []float64) bool {
n++
return true
},
)
expect(t, n == 4)
n = 0
c.Intersects(q2, 0, nil, nil,
func(_ string, _ geojson.Object, _ []float64) bool {
n++
return true
},
)
expect(t, n == 7)
n = 0
c.Intersects(q3, 0, nil, nil,
func(_ string, _ geojson.Object, _ []float64) bool {
n++
return true
},
)
expect(t, n == 5)
n = 0
c.Intersects(q3, 0, nil, nil,
func(_ string, _ geojson.Object, _ []float64) bool {
n++
return n <= 1
},
)
expect(t, n == 2)
var items []geojson.Object
exitems := []geojson.Object{
r2, p1, p4, r1, p3, r3, p2,
}
c.Nearby(q4, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
items = append(items, obj)
return true
},
)
expect(t, len(items) == 7)
expect(t, reflect.DeepEqual(items, exitems))
}
func TestCollectionSparse(t *testing.T) {
rect := geojson.NewRect(geometry.Rect{
Min: geometry.Point{X: -71.598930, Y: 42.4586739},
Max: geometry.Point{X: -71.37302, Y: 42.607937},
})
N := 10000
c := New()
r := rect.Rect()
for i := 0; i < N; i++ {
x := (r.Max.X-r.Min.X)*rand.Float64() + r.Min.X
y := (r.Max.Y-r.Min.Y)*rand.Float64() + r.Min.Y
point := PO(x, y)
c.Set(fmt.Sprintf("%d", i), point, nil, nil)
}
var n int
n = 0
c.Within(rect, 1, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
n++
return true
},
)
expect(t, n == 4)
n = 0
c.Within(rect, 2, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
n++
return true
},
)
expect(t, n == 16)
n = 0
c.Within(rect, 3, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
n++
return true
},
)
expect(t, n == 64)
n = 0
c.Within(rect, 3, nil, nil,
func(id string, obj geojson.Object, fields []float64) bool {
n++
return n <= 30
},
)
expect(t, n == 31)
n = 0
c.Intersects(rect, 3, nil, nil,
func(id string, _ geojson.Object, _ []float64) bool {
n++
return true
},
)
expect(t, n == 64)
n = 0
c.Intersects(rect, 3, nil, nil,
func(id string, _ geojson.Object, _ []float64) bool {
n++
return n <= 30
},
)
expect(t, n == 31)
}
func testCollectionVerifyContents(t *testing.T, c *Collection, objs map[string]geojson.Object) {
for id, o2 := range objs {
o1, _, ok := c.Get(id)
if !ok {
t.Fatalf("ok[%s] = false, expect true", id)
}
j1 := string(o1.AppendJSON(nil))
j2 := string(o2.AppendJSON(nil))
if j1 != j2 {
t.Fatalf("j1 == %s, expect %s", j1, j2)
}
}
}
func TestManyCollections(t *testing.T) {
colsM := make(map[string]*Collection)
cols := 100
objs := 1000
k := 0
for i := 0; i < cols; i++ {
key := strconv.FormatInt(int64(i), 10)
for j := 0; j < objs; j++ {
id := strconv.FormatInt(int64(j), 10)
p := geometry.Point{
X: rand.Float64()*360 - 180,
Y: rand.Float64()*180 - 90,
}
obj := geojson.Object(PO(p.X, p.Y))
col, ok := colsM[key]
if !ok {
col = New()
colsM[key] = col
}
col.Set(id, obj, nil, nil)
k++
}
}
col := colsM["13"]
//println(col.Count())
bbox := geometry.Rect{
Min: geometry.Point{X: -180, Y: 30},
Max: geometry.Point{X: 34, Y: 100},
}
col.geoSearch(bbox, func(id string, obj geojson.Object, fields []float64) bool {
//println(id)
return true
})
}
type testPointItem struct {
id string
object geojson.Object
fields []float64
}
func makeBenchFields(nFields int) []float64 {
if nFields == 0 {
return nil
}
return make([]float64, nFields)
}
func BenchmarkInsert_Fields(t *testing.B) {
benchmarkInsert(t, 1)
}
func BenchmarkInsert_NoFields(t *testing.B) {
benchmarkInsert(t, 0)
}
func benchmarkInsert(t *testing.B, nFields int) {
rand.Seed(time.Now().UnixNano())
items := make([]testPointItem, t.N)
for i := 0; i < t.N; i++ {
items[i] = testPointItem{
fmt.Sprintf("%d", i),
PO(rand.Float64()*360-180, rand.Float64()*180-90),
makeBenchFields(nFields),
}
}
col := New()
t.ResetTimer()
for i := 0; i < t.N; i++ {
col.Set(items[i].id, items[i].object, nil, items[i].fields)
}
}
func BenchmarkReplace_Fields(t *testing.B) {
benchmarkReplace(t, 1)
}
func BenchmarkReplace_NoFields(t *testing.B) {
benchmarkReplace(t, 0)
}
func benchmarkReplace(t *testing.B, nFields int) {
rand.Seed(time.Now().UnixNano())
items := make([]testPointItem, t.N)
for i := 0; i < t.N; i++ {
items[i] = testPointItem{
fmt.Sprintf("%d", i),
PO(rand.Float64()*360-180, rand.Float64()*180-90),
makeBenchFields(nFields),
}
}
col := New()
for i := 0; i < t.N; i++ {
col.Set(items[i].id, items[i].object, nil, items[i].fields)
}
t.ResetTimer()
for _, i := range rand.Perm(t.N) {
o, _, _ := col.Set(items[i].id, items[i].object, nil, nil)
if o != items[i].object {
t.Fatal("shoot!")
}
}
}
func BenchmarkGet_Fields(t *testing.B) {
benchmarkGet(t, 1)
}
func BenchmarkGet_NoFields(t *testing.B) {
benchmarkGet(t, 0)
}
func benchmarkGet(t *testing.B, nFields int) {
rand.Seed(time.Now().UnixNano())
items := make([]testPointItem, t.N)
for i := 0; i < t.N; i++ {
items[i] = testPointItem{
fmt.Sprintf("%d", i),
PO(rand.Float64()*360-180, rand.Float64()*180-90),
makeBenchFields(nFields),
}
}
col := New()
for i := 0; i < t.N; i++ {
col.Set(items[i].id, items[i].object, nil, items[i].fields)
}
t.ResetTimer()
for _, i := range rand.Perm(t.N) {
o, _, _ := col.Get(items[i].id)
if o != items[i].object {
t.Fatal("shoot!")
}
}
}
func BenchmarkRemove_Fields(t *testing.B) {
benchmarkRemove(t, 1)
}
func BenchmarkRemove_NoFields(t *testing.B) {
benchmarkRemove(t, 0)
}
func benchmarkRemove(t *testing.B, nFields int) {
rand.Seed(time.Now().UnixNano())
items := make([]testPointItem, t.N)
for i := 0; i < t.N; i++ {
items[i] = testPointItem{
fmt.Sprintf("%d", i),
PO(rand.Float64()*360-180, rand.Float64()*180-90),
makeBenchFields(nFields),
}
}
col := New()
for i := 0; i < t.N; i++ {
col.Set(items[i].id, items[i].object, nil, items[i].fields)
}
t.ResetTimer()
for _, i := range rand.Perm(t.N) {
o, _, _ := col.Delete(items[i].id)
if o != items[i].object {
t.Fatal("shoot!")
}
}
}
func BenchmarkScan_Fields(t *testing.B) {
benchmarkScan(t, 1)
}
func BenchmarkScan_NoFields(t *testing.B) {
benchmarkScan(t, 0)
}
func benchmarkScan(t *testing.B, nFields int) {
rand.Seed(time.Now().UnixNano())
items := make([]testPointItem, t.N)
for i := 0; i < t.N; i++ {
items[i] = testPointItem{
fmt.Sprintf("%d", i),
PO(rand.Float64()*360-180, rand.Float64()*180-90),
makeBenchFields(nFields),
}
}
col := New()
for i := 0; i < t.N; i++ {
col.Set(items[i].id, items[i].object, nil, items[i].fields)
}
t.ResetTimer()
for i := 0; i < t.N; i++ {
var scanIteration int
col.Scan(true, nil, nil, func(id string, obj geojson.Object, fields []float64) bool {
scanIteration++
return scanIteration <= 500
})
}
}