44 lines
928 B
Go
44 lines
928 B
Go
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// Copyright 2021 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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//go:build windows
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// +build windows
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package exec_test
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import (
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"io"
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"os"
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"strconv"
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"syscall"
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"testing"
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)
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func TestPipePassing(t *testing.T) {
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r, w, err := os.Pipe()
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if err != nil {
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t.Error(err)
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}
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const marker = "arrakis, dune, desert planet"
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childProc := helperCommand(t, "pipehandle", strconv.FormatUint(uint64(w.Fd()), 16), marker)
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childProc.SysProcAttr = &syscall.SysProcAttr{AdditionalInheritedHandles: []syscall.Handle{syscall.Handle(w.Fd())}}
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err = childProc.Start()
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if err != nil {
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t.Error(err)
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}
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w.Close()
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response, err := io.ReadAll(r)
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if err != nil {
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t.Error(err)
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}
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r.Close()
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if string(response) != marker {
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t.Errorf("got %q; want %q", string(response), marker)
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}
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err = childProc.Wait()
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if err != nil {
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t.Error(err)
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}
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}
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