diff options
Diffstat (limited to 'src/os/exec/exec_test.go')
| -rw-r--r-- | src/os/exec/exec_test.go | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/src/os/exec/exec_test.go b/src/os/exec/exec_test.go index dbe59fea11..a0bb89e203 100644 --- a/src/os/exec/exec_test.go +++ b/src/os/exec/exec_test.go @@ -1838,7 +1838,7 @@ func TestPathRace(t *testing.T) { func TestAbsPathExec(t *testing.T) { testenv.MustHaveExec(t) - testenv.MustHaveGoBuild(t) // must have GOROOT/bin/gofmt, but close enough + testenv.MustHaveGoBuild(t) // must have GOROOT/bin/{go,gofmt} // A simple exec of a full path should work. // Go 1.22 broke this on Windows, requiring ".exe"; see #66586. @@ -1863,4 +1863,24 @@ func TestAbsPathExec(t *testing.T) { if err == nil { t.Errorf("using exec.Cmd{Path: %#q}: unexpected success", cmd.Path) } + + // A simple exec after modifying Cmd.Path should work. + // This broke on Windows. See go.dev/issue/68314. + t.Run("modified", func(t *testing.T) { + if exec.Command(filepath.Join(testenv.GOROOT(t), "bin/go")).Run() == nil { + // The implementation of the test case below relies on the go binary + // exiting with a non-zero exit code when run without any arguments. + // In the unlikely case that changes, we need to use another binary. + t.Fatal("test case needs updating to verify fix for go.dev/issue/68314") + } + exe1 := filepath.Join(testenv.GOROOT(t), "bin/go") + exe2 := filepath.Join(testenv.GOROOT(t), "bin/gofmt") + cmd := exec.Command(exe1) + cmd.Path = exe2 + cmd.Args = []string{cmd.Path} + err := cmd.Run() + if err != nil { + t.Error("ran wrong binary") + } + }) } |