- IsPointInPolygon added

utils/utils_sort_test.go

@@ -0,0 +1,31 @@
+package utils
+
+import (
+	"math/rand"
+	"sort"
+	"testing"
+)
+
+func TestSort(t *testing.T) {
+	randIntList := make([]int, 100)
+	for k := range randIntList {
+		randIntList[k] = rand.Int()
+	}
+	copiedList := make([]int, len(randIntList))
+	copy(copiedList, randIntList)
+	sort.Sort(sort.IntSlice(randIntList))
+
+	sortList := make(SortList, len(copiedList))
+	for k := range copiedList {
+		sortList[k] = &SortItem{
+			CompareValue: int64(copiedList[k]),
+			Index:        k,
+		}
+	}
+	sort.Sort(sortList)
+	for k := range randIntList {
+		if randIntList[k] != copiedList[sortList[k].Index] {
+			t.Fatal("排序出错")
+		}
+	}
+}