blob: a7b1b8df7cde26e5724ddbdb53ba41f2f5d68d93 [file] [log] [blame] [edit]
// Copyright 2022 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 runtime_test
import (
"bytes"
"internal/testenv"
"os"
"os/exec"
"testing"
)
// Test that the generated code for the lock rank graph is up-to-date.
func TestLockRankGenerated(t *testing.T) {
testenv.MustHaveGoRun(t)
want, err := testenv.CleanCmdEnv(exec.Command(testenv.GoToolPath(t), "run", "mklockrank.go")).CombinedOutput()
if err != nil {
t.Fatal(err)
}
got, err := os.ReadFile("lockrank.go")
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(want, got) {
t.Fatalf("lockrank.go is out of date. Please run go generate.")
}
}