go std_test 源码

  • 2022-07-15
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golang std_test 代码

文件路径:/src/go/doc/comment/std_test.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 comment

import (
	"internal/diff"
	"internal/testenv"
	"os/exec"
	"sort"
	"strings"
	"testing"
)

func TestStd(t *testing.T) {
	out, err := exec.Command(testenv.GoToolPath(t), "list", "std").CombinedOutput()
	if err != nil {
		t.Fatalf("%v\n%s", err, out)
	}

	var list []string
	for _, pkg := range strings.Fields(string(out)) {
		if !strings.Contains(pkg, "/") {
			list = append(list, pkg)
		}
	}
	sort.Strings(list)

	have := strings.Join(stdPkgs, "\n") + "\n"
	want := strings.Join(list, "\n") + "\n"
	if have != want {
		t.Errorf("stdPkgs is out of date: regenerate with 'go generate'\n%s", diff.Diff("stdPkgs", []byte(have), "want", []byte(want)))
	}
}

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