"failed WriteToDisk with an error:\n\texpected: %s\n\t  actual: %s",
					rt.expected,
					err,
				)
			}
			newFile, _ := os.ReadFile(configPath)
			if !bytes.Equal(newFile, rt.file) {
				t.Errorf(
					"failed WriteToDisk config write:\n\texpected: %s\n\t  actual: %s",
					rt.file,
					newFile,
				)
			}
		})
	}
}

func TestGetCurrentAuthInfo(t *testing.T) {
	var testCases = []struct {

        outputs.snapshot { run 'compileGroovy' }

        when:
        src.text = newFile
        run 'compileGroovy'

        then:
        outputs.recompiledClasses(recompileClasses as String[])
        outputs.deletedClasses(deletedClasses as String[])

        where:
        action     | oldFile                                   | newFile                                    | recompileClasses | deletedClasses

	t.Parallel()

	var p [2]syscallDescriptor
	err := syscall.Pipe(p[:])
	if err != nil {
		t.Fatal(err)
	}
	// os.NewFile returns a blocking mode file.
	testCloseWithBlockingRead(t, os.NewFile(uintptr(p[0]), "reader"), os.NewFile(uintptr(p[1]), "writer"))
}

func TestCloseWithBlockingReadByFd(t *testing.T) {
	t.Parallel()

	r, w, err := os.Pipe()
	if err != nil {

func Open(name string) (*File, error) {
	f, err := os.Open(name)
	if err != nil {
		return nil, err
	}
	ff, err := NewFile(f)
	if err != nil {
		f.Close()
		return nil, err
	}
	ff.closer = f
	return ff, nil
}

// Close closes the File.
// If the File was created using NewFile directly instead of Open,
// Close has no effect.
func (f *File) Close() error {
	var err error
	if f.closer != nil {

		t.Fatalf("%v: %v:\n%s", cmd.Args, err, out)
	}

	fi, err := os.Open(binFile)
	if err != nil {
		t.Fatalf("failed to open built file: %v", err)
	}
	defer fi.Close()

	elfFile, err := elf.NewFile(fi)
	if err != nil {
		t.Skip("The system may not support ELF, skipped.")
	}

	section := elfFile.Section(".dynsym")
	if section == nil {
		t.Fatal("no dynsym")
	}

		nullaryQ = NewSignatureType(nil, nil, []*TypeParam{tparam}, nil, nil, false)
	}
	{
		// type unaryP = func[P any](_ P)
		tparam := NewTypeParam(NewTypeName(nopos, nil, "P", nil), &emptyInterface)
		params := NewTuple(NewVar(nopos, nil, "_", tparam))
		unaryP = NewSignatureType(nil, nil, []*TypeParam{tparam}, params, nil, false)
	}

	ctxt := NewContext()

	// Update the context with an instantiation of nullaryP.

	if errno, ok := err.(syscall.Errno); ok {
		if errno == syscall.ENOENT || errno == syscall.ESRCH {
			return false, true, nil
		}
	}
	if err != nil {
		return false, false, err
	}
	status, err := io.ReadAll(os.NewFile(uintptr(fd), statusFile))
	if err != nil {
		return false, false, err
	}
	lines := bytes.Split(status, []byte{'\n'})
	// Find the State line.
	stateLineIdx := -1
	for i, line := range lines {

		t.Fatal(err)
	}
	if err := syscall.SetNonblock(p[0], true); err != nil {
		t.Fatal(err)
	}
	f := os.NewFile(uintptr(p[0]), "pipe")
	nonblock, err := unix.IsNonblock(p[0])
	if err != nil {
		t.Fatal(err)
	}
	defer f.Close()
	if !nonblock {
		t.Error("pipe blocking after NewFile")
	}
	fd := f.Fd()
	if fd != uintptr(p[0]) {
		t.Errorf("Fd returned %d, want %d", fd, p[0])
	}

                        .build()

                private
                fun withBuildscript(script: String) =
                    temporaryFolder.newFile("build.gradle.kts").apply {
                        writeText(script)
                    }

                @Rule @JvmField val temporaryFolder = TemporaryFolder()
            }
            """
        )

	assertPathError(t, path, err)
}

// Use TempDir (via newFile) to make sure we're on a local file system,
// so that timings are not distorted by latency and caching.
// On NFS, timings can be off due to caching of meta-data on
// NFS servers (Issue 848).
func TestChtimes(t *testing.T) {
	t.Parallel()

	f := newFile("TestChtimes", t)
	defer Remove(f.Name())

	f.Write([]byte("hello, world\n"))