golang exists_test 代码
文件路径：/src/os/exec/internal/fdtest/exists_test.go
// Copyright 2021 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 fdtest
import (
"os"
"runtime"
"testing"
)
func TestExists(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("Exists not implemented for windows")
}
if !Exists(os.Stdout.Fd()) {
t.Errorf("Exists(%d) got false want true", os.Stdout.Fd())
}
}