go/json-iterator
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optimize slice

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This commit is contained in:
Tao Wen
2016-12-07 08:49:52 +08:00
parent 87a35bd7e4
commit 71cdbd249c
2 changed files with 69 additions and 15 deletions
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32
jsoniter_reflect_test.go
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@ -218,7 +218,7 @@ func Test_reflect_struct_tag_field(t *testing.T) {
func Test_reflect_slice(t *testing.T) {
iter := ParseString(`["hello", "world"]`)
slice := make([]string, 0, 1)
slice := make([]string, 0, 5)
iter.Read(&slice)
if len(slice) != 2 {
fmt.Println(iter.Error)
@ -234,6 +234,24 @@ func Test_reflect_slice(t *testing.T) {
}
}
func Test_reflect_large_slice(t *testing.T) {
iter := ParseString(`[1,2,3,4,5,6,7,8,9]`)
slice := make([]int, 0, 1)
iter.Read(&slice)
if len(slice) != 9 {
fmt.Println(iter.Error)
t.Fatal(len(slice))
}
if slice[0] != 1 {
fmt.Println(iter.Error)
t.Fatal(slice[0])
}
if slice[8] != 9 {
fmt.Println(iter.Error)
t.Fatal(slice[1])
}
}
func Test_reflect_nested(t *testing.T) {
iter := ParseString(`[{"field1": "hello"}, null, {"field2": "world"}]`)
slice := []*StructOfString{}
@ -267,12 +285,12 @@ type StructOfTagOne struct {
func Benchmark_jsoniter_reflect(b *testing.B) {
b.ReportAllocs()
for n := 0; n < b.N; n++ {
iter := ParseString(`{"field3": "100"}`)
struct_ := StructOfTagOne{}
iter.Read(&struct_)
//iter := ParseString(`["hello", "world"]`)
//array := make([]string, 0, 1)
//iter.Read(&array)
//iter := ParseString(`{"field3": "100"}`)
//struct_ := StructOfTagOne{}
//iter.Read(&struct_)
iter := ParseString(`[1,2,3]`)
var array []int
iter.Read(&array)
}
}