exec_windows_test.go

     1  // Copyright 2021 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build windows
     6  
     7  package exec_test
     8  
     9  import (
    10  	"io"
    11  	"os"
    12  	"os/exec"
    13  	"strconv"
    14  	"syscall"
    15  	"testing"
    16  )
    17  
    18  func TestPipePassing(t *testing.T) {
    19  	r, w, err := os.Pipe()
    20  	if err != nil {
    21  		t.Error(err)
    22  	}
    23  	const marker = "arrakis, dune, desert planet"
    24  	childProc := helperCommand(t, "pipehandle", strconv.FormatUint(uint64(w.Fd()), 16), marker)
    25  	childProc.SysProcAttr = &syscall.SysProcAttr{AdditionalInheritedHandles: []syscall.Handle{syscall.Handle(w.Fd())}}
    26  	err = childProc.Start()
    27  	if err != nil {
    28  		t.Error(err)
    29  	}
    30  	w.Close()
    31  	response, err := io.ReadAll(r)
    32  	if err != nil {
    33  		t.Error(err)
    34  	}
    35  	r.Close()
    36  	if string(response) != marker {
    37  		t.Errorf("got %q; want %q", string(response), marker)
    38  	}
    39  	err = childProc.Wait()
    40  	if err != nil {
    41  		t.Error(err)
    42  	}
    43  }
    44  
    45  func TestNoInheritHandles(t *testing.T) {
    46  	cmd := exec.Command("cmd", "/c exit 88")
    47  	cmd.SysProcAttr = &syscall.SysProcAttr{NoInheritHandles: true}
    48  	err := cmd.Run()
    49  	exitError, ok := err.(*exec.ExitError)
    50  	if !ok {
    51  		t.Fatalf("got error %v; want ExitError", err)
    52  	}
    53  	if exitError.ExitCode() != 88 {
    54  		t.Fatalf("got exit code %d; want 88", exitError.ExitCode())
    55  	}
    56  }
    57
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