// Copy the test binary to a location that a non-root user can read/execute
	// after we drop privileges
	tempDir, err := os.MkdirTemp("", "TestSyscallNoError")
	if err != nil {
		t.Fatalf("cannot create temporary directory: %v", err)
	}
	defer os.RemoveAll(tempDir)
	os.Chmod(tempDir, 0755)

	tmpBinary := filepath.Join(tempDir, filepath.Base(os.Args[0]))

	src, err := os.Open(os.Args[0])
	if err != nil {

			check: DirAvailableCheck{
				Path: fileDir,
			},
			expectedError: false,
		},
		{
			name: "Directory exists and has something",
			check: DirAvailableCheck{
				Path: os.TempDir(), // a directory was created previously in this test
			},
			expectedError: true,
		},
		{
			name: "Directory does not exist",
			check: DirAvailableCheck{
				Path: "/does/not/exist",
			},

	called bool
	dstfd  int
	srcfd  int

	written int64
	handled bool
	err     error
}

func createTempFile(t *testing.T, size int64) (*File, []byte) {
	f, err := CreateTemp(t.TempDir(), "writeto-sendfile-to-socket")
	if err != nil {
		t.Fatalf("failed to create temporary file: %v", err)
	}
	t.Cleanup(func() {
		f.Close()
	})

	randSeed := time.Now().Unix()

	exe, err := os.Executable()
	if err != nil {
		t.Helper()
		t.Fatal(err)
	}
	return exe
}

// Top level tempdir for test.
var testTempDir string

// If set, this will preserve all the tmpdir files from the test run.
var preserveTmp = flag.Bool("preservetmp", false, "keep tmpdir files for debugging")

// TestMain used here so that we can leverage the test executable

		},
	}

	for _, c := range cases {
		t.Run(c.name, func(t *testing.T) {
			tmpDir := t.TempDir()
			options := defaultOptions()
			if c.purgeInterval != 0 {
				options.PurgeInterval = c.purgeInterval
			}
			if c.wasmModuleExpiry != 0 {
				options.ModuleExpiry = c.wasmModuleExpiry
			}
			cache := NewLocalFileCache(tmpDir, options)
			cache.httpFetcher.initialBackoff = time.Microsecond

	return func(testID string) (*resource.Settings, error) {
		s.TestID = testID
		s.BaseDir = os.TempDir()
		return s, nil
	}
}

func defaultSettingsFn(testID string) (*resource.Settings, error) {
	s := resource.DefaultSettings()
	s.TestID = testID
	s.BaseDir = os.TempDir()

	return s, nil
}

func cleanupRT() {
	rtMu.Lock()
	defer rtMu.Unlock()
	rt = nil
}

func init() {
	log.EnableKlogWithGoFlag()
	flag.StringVar(&settingsFromCommandLine.BaseDir, "istio.test.work_dir", os.TempDir(),
		"Local working directory for creating logs/temp files. If left empty, os.TempDir() is used.")

	var env string
	flag.StringVar(&env, "istio.test.env", "", "Deprecated. This flag does nothing")

}

func TestSetCrashOutput(t *testing.T) {
	testenv.MustHaveExec(t)
	exe, err := os.Executable()
	if err != nil {
		t.Fatal(err)
	}

	crashOutput := filepath.Join(t.TempDir(), "crash.out")

	cmd := exec.Command(exe)
	cmd.Stderr = new(strings.Builder)
	cmd.Env = append(os.Environ(), "GO_RUNTIME_DEBUG_TEST_ENTRYPOINT=setcrashoutput", "CRASHOUTPUT="+crashOutput)
	err = cmd.Run()

				ShutdownGracePeriodCriticalPods: tc.shutdownGracePeriodCriticalPods,
				Clock:                           testingclock.NewFakeClock(time.Now()),
				StateDirectory:                  os.TempDir(),
			})

			err := manager.Start()
			lock.Unlock()

			if tc.expectedError != nil {
				if err == nil {
					t.Errorf("unexpected error message. Got: <nil> want %s", tc.expectedError.Error())

import org.spockframework.runtime.SpockAssertionError
import spock.lang.Specification
import spock.lang.TempDir

class DefaultJvmMetadataDetectorTest extends Specification {

    @TempDir
    File temporaryFolder

    TestFile tmpDir
    def setup() {
        tmpDir = new TestFile(new File(temporaryFolder, "tmp").tap { mkdirs() })
    }

    def "cleans up generated Probe class"() {
        given: