fix: incorrect unmarshal behavior for pointer primitives

This commit is contained in:
yusing 2025-05-14 12:20:52 +08:00
parent 7435b8e485
commit 8e27886235
2 changed files with 74 additions and 5 deletions

View file

@ -314,12 +314,26 @@ func Convert(src reflect.Value, dst reflect.Value, checkValidateTag bool) gperr.
return gperr.Errorf("convert: dst is %w", ErrNilValue)
}
if !src.IsValid() || src.IsZero() {
if dst.CanSet() {
dst.Set(reflect.Zero(dst.Type()))
return nil
if (src.Kind() == reflect.Pointer && src.IsNil()) || !src.IsValid() {
if !dst.CanSet() {
return gperr.Errorf("convert: src is %w", ErrNilValue)
}
return gperr.Errorf("convert: src is %w", ErrNilValue)
// manually set nil
dst.Set(reflect.Zero(dst.Type()))
return nil
}
if src.IsZero() {
if !dst.CanSet() {
return gperr.Errorf("convert: src is %w", ErrNilValue)
}
switch dst.Kind() {
case reflect.Pointer, reflect.Interface:
dst.Set(reflect.New(dst.Type().Elem()))
default:
dst.Set(reflect.Zero(dst.Type()))
}
return nil
}
srcT := src.Type()

View file

@ -73,6 +73,61 @@ func TestDeserializeAnonymousField(t *testing.T) {
ExpectEqual(t, s2.C, 3)
}
func TestPointerPrimitives(t *testing.T) {
type testType struct {
B *bool `json:"b"`
I8 *int8 `json:"i8"`
I16 *int16 `json:"i16"`
I32 *int32 `json:"i32"`
I64 *int64 `json:"i64"`
U8 *uint8 `json:"u8"`
U16 *uint16 `json:"u16"`
U32 *uint32 `json:"u32"`
U64 *uint64 `json:"u64"`
}
var test testType
err := MapUnmarshalValidate(map[string]any{"b": true, "i8": int8(127), "i16": int16(127), "i32": int32(127), "i64": int64(127), "u8": uint8(127), "u16": uint16(127), "u32": uint32(127), "u64": uint64(127)}, &test)
ExpectNoError(t, err)
ExpectEqual(t, *test.B, true)
ExpectEqual(t, *test.I8, int8(127))
ExpectEqual(t, *test.I16, int16(127))
ExpectEqual(t, *test.I32, int32(127))
ExpectEqual(t, *test.I64, int64(127))
ExpectEqual(t, *test.U8, uint8(127))
ExpectEqual(t, *test.U16, uint16(127))
ExpectEqual(t, *test.U32, uint32(127))
ExpectEqual(t, *test.U64, uint64(127))
// zero values
err = MapUnmarshalValidate(map[string]any{"b": false, "i8": int8(0), "i16": int16(0), "i32": int32(0), "i64": int64(0), "u8": uint8(0), "u16": uint16(0), "u32": uint32(0), "u64": uint64(0)}, &test)
ExpectNoError(t, err)
ExpectEqual(t, *test.B, false)
ExpectEqual(t, *test.I8, int8(0))
ExpectEqual(t, *test.I16, int16(0))
ExpectEqual(t, *test.I32, int32(0))
ExpectEqual(t, *test.I64, int64(0))
ExpectEqual(t, *test.U8, uint8(0))
ExpectEqual(t, *test.U16, uint16(0))
ExpectEqual(t, *test.U32, uint32(0))
ExpectEqual(t, *test.U64, uint64(0))
// nil values
err = MapUnmarshalValidate(map[string]any{"b": true, "i8": int8(127), "i16": int16(127), "i32": int32(127), "i64": int64(127), "u8": uint8(127), "u16": uint16(127), "u32": uint32(127), "u64": uint64(127)}, &test)
ExpectNoError(t, err)
err = MapUnmarshalValidate(map[string]any{"b": nil, "i8": nil, "i16": nil, "i32": nil, "i64": nil, "u8": nil, "u16": nil, "u32": nil, "u64": nil}, &test)
ExpectNoError(t, err)
ExpectEqual(t, test.B, nil)
ExpectEqual(t, test.I8, nil)
ExpectEqual(t, test.I16, nil)
ExpectEqual(t, test.I32, nil)
ExpectEqual(t, test.I64, nil)
ExpectEqual(t, test.U8, nil)
ExpectEqual(t, test.U16, nil)
ExpectEqual(t, test.U32, nil)
ExpectEqual(t, test.U64, nil)
}
func TestStringIntConvert(t *testing.T) {
s := "127"