--- /dev/null
+// Copyright 2017, The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE.md file.
+
+package teststructs
+
+import (
+ "time"
+
+ pb "github.com/google/go-cmp/cmp/internal/testprotos"
+)
+
+// This is an sanitized example of equality from a real use-case.
+// The original equality function was as follows:
+/*
+func equalBatch(b1, b2 *GermBatch) bool {
+ for _, b := range []*GermBatch{b1, b2} {
+ for _, l := range b.DirtyGerms {
+ sort.Slice(l, func(i, j int) bool { return l[i].String() < l[j].String() })
+ }
+ for _, l := range b.CleanGerms {
+ sort.Slice(l, func(i, j int) bool { return l[i].String() < l[j].String() })
+ }
+ }
+ if !pb.DeepEqual(b1.DirtyGerms, b2.DirtyGerms) ||
+ !pb.DeepEqual(b1.CleanGerms, b2.CleanGerms) ||
+ !pb.DeepEqual(b1.GermMap, b2.GermMap) {
+ return false
+ }
+ if len(b1.DishMap) != len(b2.DishMap) {
+ return false
+ }
+ for id := range b1.DishMap {
+ kpb1, err1 := b1.DishMap[id].Proto()
+ kpb2, err2 := b2.DishMap[id].Proto()
+ if !pb.Equal(kpb1, kpb2) || !reflect.DeepEqual(err1, err2) {
+ return false
+ }
+ }
+ return b1.HasPreviousResult == b2.HasPreviousResult &&
+ b1.DirtyID == b2.DirtyID &&
+ b1.CleanID == b2.CleanID &&
+ b1.GermStrain == b2.GermStrain &&
+ b1.TotalDirtyGerms == b2.TotalDirtyGerms &&
+ b1.InfectedAt.Equal(b2.InfectedAt)
+}
+*/
+
+type GermBatch struct {
+ DirtyGerms, CleanGerms map[int32][]*pb.Germ
+ GermMap map[int32]*pb.Germ
+ DishMap map[int32]*Dish
+ HasPreviousResult bool
+ DirtyID, CleanID int32
+ GermStrain int32
+ TotalDirtyGerms int
+ InfectedAt time.Time
+}
+
+type Dish struct {
+ pb *pb.Dish
+ err error
+}
+
+func CreateDish(m *pb.Dish, err error) *Dish {
+ return &Dish{pb: m, err: err}
+}
+
+func (d *Dish) Proto() (*pb.Dish, error) {
+ if d.err != nil {
+ return nil, d.err
+ }
+ return d.pb, nil
+}