mirror of https://go.googlesource.com/go
34 lines
856 B
Go
34 lines
856 B
Go
// 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)
|
|
cmd := testenv.CleanCmdEnv(testenv.Command(t, testenv.GoToolPath(t), "run", "mklockrank.go"))
|
|
want, err := cmd.Output()
|
|
if err != nil {
|
|
if ee, ok := err.(*exec.ExitError); ok && len(ee.Stderr) > 0 {
|
|
t.Fatalf("%v: %v\n%s", cmd, err, ee.Stderr)
|
|
}
|
|
t.Fatalf("%v: %v", cmd, 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t.Fatalf("lockrank.go is out of date.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.")
|
|
}
|
|
}
|