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// 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 typecheck
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t.Fatal("builtin.go out of date; run mkbuiltin.go")
}
}
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