Grand test fixup (#138)

* start fixing up tests

* fix up tests + automate with drone

* fiddle with linting

* messing about with drone.yml

* some more fiddling

* hmmm

* add cache

* add vendor directory

* verbose

* ci updates

* update some little things

* update sig

vendor/github.com/goccy/go-json/decode_map.go

@@ -0,0 +1,154 @@
+package json
+
+import (
+	"unsafe"
+)
+
+type mapDecoder struct {
+	mapType      *rtype
+	keyType      *rtype
+	valueType    *rtype
+	keyDecoder   decoder
+	valueDecoder decoder
+	structName   string
+	fieldName    string
+}
+
+func newMapDecoder(mapType *rtype, keyType *rtype, keyDec decoder, valueType *rtype, valueDec decoder, structName, fieldName string) *mapDecoder {
+	return &mapDecoder{
+		mapType:      mapType,
+		keyDecoder:   keyDec,
+		keyType:      keyType,
+		valueType:    valueType,
+		valueDecoder: valueDec,
+		structName:   structName,
+		fieldName:    fieldName,
+	}
+}
+
+//go:linkname makemap reflect.makemap
+func makemap(*rtype, int) unsafe.Pointer
+
+//go:linkname mapassign reflect.mapassign
+//go:noescape
+func mapassign(t *rtype, m unsafe.Pointer, key, val unsafe.Pointer)
+
+func (d *mapDecoder) decodeStream(s *stream, depth int64, p unsafe.Pointer) error {
+	depth++
+	if depth > maxDecodeNestingDepth {
+		return errExceededMaxDepth(s.char(), s.cursor)
+	}
+
+	s.skipWhiteSpace()
+	switch s.char() {
+	case 'n':
+		if err := nullBytes(s); err != nil {
+			return err
+		}
+		**(**unsafe.Pointer)(unsafe.Pointer(&p)) = nil
+		return nil
+	case '{':
+	default:
+		return errExpected("{ character for map value", s.totalOffset())
+	}
+	s.skipWhiteSpace()
+	mapValue := *(*unsafe.Pointer)(p)
+	if mapValue == nil {
+		mapValue = makemap(d.mapType, 0)
+	}
+	if s.buf[s.cursor+1] == '}' {
+		*(*unsafe.Pointer)(p) = mapValue
+		s.cursor += 2
+		return nil
+	}
+	for {
+		s.cursor++
+		k := unsafe_New(d.keyType)
+		if err := d.keyDecoder.decodeStream(s, depth, k); err != nil {
+			return err
+		}
+		s.skipWhiteSpace()
+		if !s.equalChar(':') {
+			return errExpected("colon after object key", s.totalOffset())
+		}
+		s.cursor++
+		v := unsafe_New(d.valueType)
+		if err := d.valueDecoder.decodeStream(s, depth, v); err != nil {
+			return err
+		}
+		mapassign(d.mapType, mapValue, k, v)
+		s.skipWhiteSpace()
+		if s.equalChar('}') {
+			**(**unsafe.Pointer)(unsafe.Pointer(&p)) = mapValue
+			s.cursor++
+			return nil
+		}
+		if !s.equalChar(',') {
+			return errExpected("comma after object value", s.totalOffset())
+		}
+	}
+}
+
+func (d *mapDecoder) decode(buf []byte, cursor, depth int64, p unsafe.Pointer) (int64, error) {
+	depth++
+	if depth > maxDecodeNestingDepth {
+		return 0, errExceededMaxDepth(buf[cursor], cursor)
+	}
+
+	cursor = skipWhiteSpace(buf, cursor)
+	buflen := int64(len(buf))
+	if buflen < 2 {
+		return 0, errExpected("{} for map", cursor)
+	}
+	switch buf[cursor] {
+	case 'n':
+		if err := validateNull(buf, cursor); err != nil {
+			return 0, err
+		}
+		cursor += 4
+		**(**unsafe.Pointer)(unsafe.Pointer(&p)) = nil
+		return cursor, nil
+	case '{':
+	default:
+		return 0, errExpected("{ character for map value", cursor)
+	}
+	cursor++
+	cursor = skipWhiteSpace(buf, cursor)
+	mapValue := *(*unsafe.Pointer)(p)
+	if mapValue == nil {
+		mapValue = makemap(d.mapType, 0)
+	}
+	if buf[cursor] == '}' {
+		**(**unsafe.Pointer)(unsafe.Pointer(&p)) = mapValue
+		cursor++
+		return cursor, nil
+	}
+	for {
+		k := unsafe_New(d.keyType)
+		keyCursor, err := d.keyDecoder.decode(buf, cursor, depth, k)
+		if err != nil {
+			return 0, err
+		}
+		cursor = skipWhiteSpace(buf, keyCursor)
+		if buf[cursor] != ':' {
+			return 0, errExpected("colon after object key", cursor)
+		}
+		cursor++
+		v := unsafe_New(d.valueType)
+		valueCursor, err := d.valueDecoder.decode(buf, cursor, depth, v)
+		if err != nil {
+			return 0, err
+		}
+		mapassign(d.mapType, mapValue, k, v)
+		cursor = skipWhiteSpace(buf, valueCursor)
+		if buf[cursor] == '}' {
+			**(**unsafe.Pointer)(unsafe.Pointer(&p)) = mapValue
+			cursor++
+			return cursor, nil
+		}
+		if buf[cursor] != ',' {
+			return 0, errExpected("comma after object value", cursor)
+		}
+		cursor++
+	}
+}