--- /dev/null
+// Copyright 2020 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 file.
+
+// TODO(rfindley): figure out why go generate fails on android builders.
+
+// +build !android
+
+package regtest
+
+import (
+ "testing"
+
+ "golang.org/x/tools/internal/lsp"
+)
+
+func TestGenerateProgress(t *testing.T) {
+ const generatedWorkspace = `
+-- go.mod --
+module fake.test
+
+go 1.14
+-- lib/generate.go --
+// +build ignore
+
+package main
+
+import "io/ioutil"
+
+func main() {
+ ioutil.WriteFile("generated.go", []byte("package lib\n\nconst answer = 42"), 0644)
+}
+-- lib/lib.go --
+package lib
+
+func GetAnswer() int {
+ return answer
+}
+
+//go:generate go run generate.go
+`
+
+ runner.Run(t, generatedWorkspace, func(t *testing.T, env *Env) {
+ env.Await(
+ env.DiagnosticAtRegexp("lib/lib.go", "answer"),
+ )
+ env.RunGenerate("./lib")
+ env.Await(
+ OnceMet(
+ CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromDidChangeWatchedFiles), 1),
+ EmptyDiagnostics("lib/lib.go")),
+ )
+ })
+}