package model

import (
	"encoding/json"
	"testing"
)

func TestIDBinaryAndJSONRoundTrip(t *testing.T) {
	id, err := NewID()
	if err != nil {
		t.Fatal(err)
	}
	binary, err := id.Value()
	if err != nil {
		t.Fatal(err)
	}
	var copy ID
	if err := copy.Scan(binary); err != nil || copy != id {
		t.Fatalf("binary roundtrip: %s %v", copy, err)
	}
	b, err := json.Marshal(id)
	if err != nil {
		t.Fatal(err)
	}
	if err := json.Unmarshal(b, &copy); err != nil || copy != id {
		t.Fatalf("JSON roundtrip: %s %v", copy, err)
	}
	if err := json.Unmarshal([]byte(`"0123"`), &copy); err == nil {
		t.Fatal("accepted truncated ID")
	}
	if _, err := ID("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA").Value(); err == nil {
		t.Fatal("accepted case-folded ID")
	}
	if err := copy.Scan([]byte{1}); err == nil {
		t.Fatal("accepted truncated binary ID")
	}
}
func TestJSONScanOwnsBytes(t *testing.T) {
	src := []byte(`{"ok":true}`)
	var doc JSON
	if err := doc.Scan(src); err != nil {
		t.Fatal(err)
	}
	src[2] = 'x'
	if string(doc) != `{"ok":true}` {
		t.Fatal("document aliases driver buffer")
	}
	if _, err := JSON(`{broken`).Value(); err == nil {
		t.Fatal("accepted invalid JSON")
	}
}