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debug/pe: add TestBuildingWindowsGUI

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Change-Id: I6b6a6dc57e48e02ff0d452755b8dcf5543b3caed
Reviewed-on: https://go-review.googlesource.com/38759
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Alex Brainman 2017-03-27 15:55:15 +11:00
parent 23f56c186d
commit 6e7d5d0326
1 changed files with 46 additions and 0 deletions
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46
src/debug/pe/file_test.go
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@ -476,3 +476,49 @@ func main() {
fmt.Printf("main=%p\n", main) fmt.Printf("main=%p\n", main)
} }
` `
func TestBuildingWindowsGUI(t *testing.T) {
testenv.MustHaveGoBuild(t)
if runtime.GOOS != "windows" {
t.Skip("skipping windows only test")
}
tmpdir, err := ioutil.TempDir("", "TestBuildingWindowsGUI")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpdir)
src := filepath.Join(tmpdir, "a.go")
err = ioutil.WriteFile(src, []byte(`package main; func main() {}`), 0644)
if err != nil {
t.Fatal(err)
}
exe := filepath.Join(tmpdir, "a.exe")
cmd := exec.Command(testenv.GoToolPath(t), "build", "-ldflags", "-H=windowsgui", "-o", exe, src)
out, err := cmd.CombinedOutput()
if err != nil {
t.Fatalf("building test executable failed: %s %s", err, out)
}
f, err := Open(exe)
if err != nil {
t.Fatal(err)
}
defer f.Close()
const _IMAGE_SUBSYSTEM_WINDOWS_GUI = 2
switch oh := f.OptionalHeader.(type) {
case *OptionalHeader32:
if oh.Subsystem != _IMAGE_SUBSYSTEM_WINDOWS_GUI {
t.Errorf("unexpected Subsystem value: have %d, but want %d", oh.Subsystem, _IMAGE_SUBSYSTEM_WINDOWS_GUI)
}
case *OptionalHeader64:
if oh.Subsystem != _IMAGE_SUBSYSTEM_WINDOWS_GUI {
t.Errorf("unexpected Subsystem value: have %d, but want %d", oh.Subsystem, _IMAGE_SUBSYSTEM_WINDOWS_GUI)
}
default:
t.Fatalf("unexpected OptionalHeader type: have %T, but want *pe.OptionalHeader32 or *pe.OptionalHeader64", oh)
}
}