// Passes for unpacking quantized ops to int valued StableHLO ops. This is
// useful when uniform quantized types are suboptimal for the hardware. It goes
// through a StableHLO <-> MHLO roundtrip to utilize the MHLOQuantToInt pass.
void AddStablehloQuantToIntPasses(OpPassManager& pm);

// Processes tensors with NCHW format (== (batch, channel, height, weight)) by

			s := FormatFloat(f, 'e', -1, 64)
			if x, _ := ParseFloat(s, 64); x != f {
				t.Errorf("failed roundtrip %v => %s => %v", f, s, x)
			}
		}
		f32 := float32(f)
		if !math.IsInf(float64(f32), 0) {
			s := FormatFloat(float64(f32), 'e', -1, 32)
			if x, _ := ParseFloat(s, 32); float32(x) != f32 {
				t.Errorf("failed roundtrip %v => %s => %v", f32, s, float32(x))
			}
		}
	}
}

			featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.JobPodReplacementPolicy, test.enablePodReplacementPolicy)
			original := test.original
			expected := test.expected
			obj2 := roundTrip(t, runtime.Object(original))
			actual, ok := obj2.(*batchv1.Job)
			if !ok {
				t.Fatalf("Unexpected object: %v", actual)
			}

			if diff := cmp.Diff(expected.Spec.Suspend, actual.Spec.Suspend); diff != "" {

				t.Fatal(err)
			}
			if !reflect.DeepEqual(got, *tt.expected) {
				t.Fatalf("expected %#v, got %#v", *tt.expected, got)
			}

			roundTrip := got.String()
			if roundTrip != tt.input {
				t.Fatalf("round trip failed, expected %q got %q", tt.input, roundTrip)
			}
		})
	}

			agent := tt.agent
			if len(agent) == 0 {
				agent = "-"
			}
			expect := WarningHeader{Code: tt.code, Agent: agent, Text: tt.text}
			if roundTrip != expect {
				t.Fatalf("after round trip, want:\n%#v\ngot\n%#v", expect, roundTrip)
			}
		})
	}
}

func TestParseWarningHeaders(t *testing.T) {
	tests := []struct {
		name string

		headers []string

		want     []WarningHeader
		wantErrs []string

// round trips (the time it takes to send data to etcd and get the
// complete response back)
//
// If an API request involves N (N>=1) round trips to etcd, then we will sum
// up the latenciy incurred in each roundtrip.

// It uses the context associated with the request in flight, so there
// are no states shared among the requests in flight, and so there is no
// concurrency overhead.

	wr := &bio.Writer{Writer: bufio.NewWriter(buf)} // hacky: no file, so cannot seek
	return NewWriter(wr)
}

func TestReadWrite(t *testing.T) {
	// Test that we get the same data in a write-read roundtrip.

	// Write a symbol, a relocation, and an aux info.
	var buf bytes.Buffer
	w := dummyWriter(&buf)

	var s Sym
	s.SetABI(1)
	s.SetType(uint8(objabi.STEXT))
	s.SetFlag(0x12)
	s.SetSiz(12345)

//	c := &http.Client{Transport: t}
//	res, err := c.Get("file:///etc/passwd")
//	...
func NewFileTransportFS(fsys fs.FS) RoundTripper {
	return NewFileTransport(FS(fsys))
}

func (t fileTransport) RoundTrip(req *Request) (resp *Response, err error) {
	// We start ServeHTTP in a goroutine, which may take a long
	// time if the file is large. The newPopulateResponseWriter
	// call returns a channel which either ServeHTTP or finish()

		LastPong:           time.Now().UnixNano(),
		BaseFlags:          parent.baseFlags,
		clientPingInterval: parent.clientPingInterval,
	}
}

// roundtrip performs a roundtrip, returning the first response.
// This cannot be used concurrently.
func (m *muxClient) roundtrip(h HandlerID, req []byte) ([]byte, error) {
	if m.init {
		return nil, errors.New("mux client already used")
	}
	m.init = true
	m.singleResp = true

  // on StableHLO, treating StableHLO purely as an input format, and do all
  // optimizations via MHLO passes that can be shared with the OpenXLA compiler.
  // Therefore, this function inserts a StableHLO <=> MHLO roundtrip to make
  // this happen.

  // StableHLO -> MHLO legalization.
  pm.addPass(mhlo::createStablehloLegalizeToHloPass());

  AddMhloOptimizationPasses(pm, /*enable_stablehlo_quantizer=*/false);