mirror of https://github.com/golang/go.git
30 lines
714 B
Go
30 lines
714 B
Go
// Copyright 2022 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package runtime_test
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import (
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"bytes"
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"internal/testenv"
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"os"
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"os/exec"
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"testing"
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)
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// Test that the generated code for the lock rank graph is up-to-date.
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func TestLockRankGenerated(t *testing.T) {
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testenv.MustHaveGoRun(t)
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want, err := testenv.CleanCmdEnv(exec.Command(testenv.GoToolPath(t), "run", "mklockrank.go")).CombinedOutput()
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if err != nil {
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t.Fatal(err)
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}
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got, err := os.ReadFile("lockrank.go")
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(want, got) {
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t.Fatalf("lockrank.go is out of date. Please run go generate.")
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}
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}
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