import (
	"context"
	"io"
	"sync"
	"time"

	"github.com/minio/madmin-go/v3"
)

// naughtyDisk wraps a POSIX disk and returns programmed errors
// specified by the developer. The purpose is to simulate errors
// that are hard to simulate in practice like DiskNotFound.
// Programmed errors are stored in errors field.
type naughtyDisk struct {
	// The real disk
	disk StorageAPI
	// Programmed errors: API call number => error to return

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	pods := &fakePodCache{}

	pod, f := podAndNetns()
	f.Close()
	pods.pods = map[string]WorkloadInfo{
		string(pod.UID): {}, // simulate unknown netns
	}

	fixture := connectWithPods(ctx, pods)
	ztunClient := fixture.ztunClient
	// read initial pod add
	keep, fds := readRequest(t, ztunClient)
	assert.Equal(t, len(fds), 0)

      val sleepUntil = nanoTime + durationNanos
      yieldUntil { nanoTime >= sleepUntil }
    }
  }

  /**
   * Artificially stall until manually resumed by the test thread with [runTasks]. Use this to
   * simulate races in tasks that doesn't have a deterministic sequence.
   */
  fun yield() {
    taskRunner.assertThreadDoesntHoldLock()
    taskRunner.lock.withLock {
      yieldUntil()
    }
  }

	var bb Buffer
	bb.Grow(16 << 20)
	b.SetBytes(int64(bb.Available()))
	b.ReportAllocs()
	for i := 0; i < b.N; i++ {
		bb.Reset()
		b := bb.AvailableBuffer()
		b = b[:cap(b)] // use max capacity to simulate a large append operation
		bb.Write(b)    // should be nearly infinitely fast
	}

    // incomplete.
    val creator = cache.edit("k1")!!
    creator.newSink(0).buffer().use {
      it.writeUtf8("Hello")
    }

    // Simulate a severe Filesystem failure on the first initialization.
    filesystem.setFaultyDelete(cacheDir / "k1.0.tmp", true)
    filesystem.setFaultyDelete(cacheDir, true)
    cache =

	"github.com/minio/minio/internal/hash/sha256"
	xhttp "github.com/minio/minio/internal/http"
	ioutilx "github.com/minio/minio/internal/ioutil"
)

// Type to capture different modifications to API request to simulate failure cases.
type Fault int

const (
	None Fault = iota
	MissingContentLength
	TooBigObject
	TooBigDecodedLength
	BadSignature
	BadMD5
	MissingUploadID
)

}

// Fd returns the file descriptor
func (f *fakeNs) Fd() uintptr {
	return f.fd
}

func (f *fakeNs) Inode() uint64 {
	return f.inode
}

// Close simulates closing the file descriptor and returns nil for no error
func (f *fakeNs) Close() error {
	f.closed.Store(true)
	return nil
}

func fakeFs() fs.FS {
	subFs, err := fs.Sub(fakeProc, "testdata")
	if err != nil {

*   `tf.lite`:

    *   `tf.quantization.quantize_and_dequantize_v2` has been introduced, which
        updates the gradient definition for quantization which is outside the
        range to be 0. To simulate the V1 the behavior of
        `tf.quantization.quantize_and_dequantize(...)` use
        `tf.grad_pass_through(tf.quantization.quantize_and_dequantize_v2)(...)`.

*   Building TensorFlow:

      Thread.sleep(2000L)
    }
    if (connection.isHealthy(false)) {
      throw TimeoutException("connection didn't shutdown within timeout")
    }
  }

  /**
   * This simulates a race condition where we receive a healthy HTTP/2 connection and just prior to
   * writing our request, we get a GOAWAY frame from the server.
   */
  @ParameterizedTest
  @ArgumentsSource(ProtocolParamProvider::class)