| // Copyright 2016 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. | |
| package gc_test | |
| import ( | |
| "bytes" | |
| "internal/testenv" | |
| "io/ioutil" | |
| "os/exec" | |
| "testing" | |
| ) | |
| func TestBuiltin(t *testing.T) { | |
| testenv.MustHaveGoRun(t) | |
| t.Parallel() | |
| old, err := ioutil.ReadFile("builtin.go") | |
| if err != nil { | |
| t.Fatal(err) | |
| } | |
| new, err := exec.Command(testenv.GoToolPath(t), "run", "mkbuiltin.go", "-stdout").Output() | |
| if err != nil { | |
| t.Fatal(err) | |
| } | |
| if !bytes.Equal(old, new) { | |
| t.Fatal("builtin.go out of date; run mkbuiltin.go") | |
| } | |
| } |