1 files changed, 86 insertions, 0 deletions
diff --git a/compat/json/testcompat_test.go b/compat/json/testcompat_test.go
new file mode 100644
index 0000000..07c75bc
--- /dev/null
+++ b/compat/json/testcompat_test.go
@@ -0,0 +1,86 @@
+// Copyright (C) 2022-2023  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package json
+
+import (
+	"bytes"
+	"encoding/json"
+	"io"
+	_ "unsafe"
+
+	"git.lukeshu.com/go/lowmemjson"
+	"git.lukeshu.com/go/lowmemjson/internal/fastio"
+	"git.lukeshu.com/go/lowmemjson/internal/jsonparse"
+	"git.lukeshu.com/go/lowmemjson/internal/jsonstruct"
+)
+
+var (
+	parseTag         = jsonstruct.ParseTag
+	clearCache       = jsonstruct.ClearCache
+	cachedTypeFields = jsonstruct.IndexStruct
+)
+
+type scanner = lowmemjson.ReEncoderConfig
+
+func checkValid(in []byte, scan *lowmemjson.ReEncoderConfig) error {
+	return reencode(io.Discard, in, *scan)
+}
+
+func isValidNumber(s string) bool {
+	var parser jsonparse.Parser
+	for _, r := range s {
+		if t, _ := parser.HandleRune(r); !t.IsNumber() {
+			return false
+		}
+	}
+	if t, _ := parser.HandleEOF(); t == jsonparse.RuneTypeError {
+		return false
+	}
+	return true
+}
+
+const (
+	startDetectingCyclesAfter = 1000
+)
+
+func isSpace(c byte) bool {
+	switch c {
+	case 0x0020, 0x000A, 0x000D, 0x0009:
+		return true
+	default:
+		return false
+	}
+}
+
+type encodeState struct {
+	bytes.Buffer
+}
+
+//go:linkname encodeStringFromString git.lukeshu.com/go/lowmemjson.encodeStringFromString
+func encodeStringFromString(w fastio.AllWriter, escaper lowmemjson.BackslashEscaper, str string) error
+
+//go:linkname encodeStringFromBytes git.lukeshu.com/go/lowmemjson.encodeStringFromBytes
+func encodeStringFromBytes(w fastio.AllWriter, escaper lowmemjson.BackslashEscaper, str []byte) error
+
+func (es *encodeState) string(str string, _ bool) {
+	if err := encodeStringFromString(&es.Buffer, nil, str); err != nil {
+		panic(err)
+	}
+}
+
+func (es *encodeState) stringBytes(str []byte, _ bool) {
+	if err := encodeStringFromBytes(&es.Buffer, nil, str); err != nil {
+		panic(err)
+	}
+}
+
+type (
+	Token = json.Token
+	Delim = json.Delim
+)
+
+func (dec *Decoder) Token() (Token, error) {
+	panic("not implemented")
+}