// Do read lock for given LockArgs.  It should return
	// * a boolean to indicate success/failure of the operation
	// * an error on failure of lock request operation.
	RLock(ctx context.Context, args LockArgs) (bool, error)

	// Do write lock for given LockArgs. It should return
	// * a boolean to indicate success/failure of the operation
	// * an error on failure of lock request operation.
	Lock(ctx context.Context, args LockArgs) (bool, error)

	initial := timeout.Timeout()

	for i := 0; i < dynamicTimeoutLogSize; i++ {
		timeout.LogFailure()
	}

	adjusted := timeout.Timeout()

	if initial >= adjusted {
		t.Errorf("Failure to increase timeout, expected %v to be more than %v", adjusted, initial)
	}
}

func TestDynamicTimeoutDualIncrease(t *testing.T) {
	timeout := newDynamicTimeout(time.Minute, time.Second)

	initial := timeout.Timeout()

			sctx := &serverCtxt{}
			err := mergeServerCtxtFromConfigFile(testcase.config, sctx)
			if testcase.expectedErr && err == nil {
				t.Error("expected failure, got success")
			}
			if !testcase.expectedErr && err != nil {
				t.Error("expected success, got failure", err)
			}
			if err == nil {
				if len(sctx.Layout.pools) != 2 {
					t.Error("expected parsed pools to be 2, not", len(sctx.Layout.pools))
				}

			}
			result, err := createKubeConfig(cfg)
			if err != nil {
				if !c.expectedFailure {
					t.Fatalf("did not expect failure: %v", err)
				}
				// Successful test case expecting failure
				return
			} else if c.expectedFailure {
				t.Fatalf("expected failure")
			}

			goldenFilepath := "testdata/kubeconfig-tls"
			if c.skipTLSVerify {
				goldenFilepath = "testdata/kubeconfig-skip-tls"
			}

			false,
		},
	}

	// Valid all test cases.
	for i, testCase := range testCases {
		if err := checkFormatErasureValue(testCase.format, nil); err != nil && testCase.success {
			t.Errorf("Test %d: Expected failure %s", i+1, err)
		}
	}
}

// Tests getFormatErasureInQuorum()
func TestGetFormatErasureInQuorumCheck(t *testing.T) {
	setCount := 2
	setDriveCount := 16

package mountinfo

import (
	"fmt"
	"os"
	"path/filepath"
	"strings"
	"testing"
)

// Tests cross device mount verification function, for both failure
// and success cases.
func TestCrossDeviceMountPaths(t *testing.T) {
	successCase := `/dev/0 /path/to/0/1 type0 flags 0 0
		/dev/1    /path/to/1   type1	flags 1 1
		/dev/2 /path/to/1/2 type2 flags,1,2=3 2 2

			claims["exp"] = testCase.exp
			err := updateClaimsExpiry(testCase.dsecs, claims)
			if err != nil && !testCase.expectedFailure {
				t.Errorf("Expected success, got failure %s", err)
			}
			if err == nil && testCase.expectedFailure {
				t.Error("Expected failure, got success")
			}
		})
	}
}

func initJWKSServer() *httptest.Server {
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {

							NoAuditLog:         true,
						})
					var failure bool
					if err != nil {
						if isErrObjectNotFound(err) || isErrVersionNotFound(err) {
							err = nil
						}
					}
					stopFn(err)
					if err != nil {
						decomLogIf(ctx, err)
						failure = true
					}
					z.poolMetaMutex.Lock()
					z.poolMeta.CountItem(idx, 0, failure)
					z.poolMetaMutex.Unlock()
					if !failure {

}

type tierMetrics struct {
	sync.RWMutex  // protects requestsCount only
	requestsCount map[string]struct {
		success int64
		failure int64
	}
	histogram *prometheus.HistogramVec
}

var globalTierMetrics = tierMetrics{
	requestsCount: make(map[string]struct {
		success int64
		failure int64
	}),
	histogram: prometheus.NewHistogramVec(prometheus.HistogramOpts{
		Name:    "tier_ttlb_seconds",

							SkipRebalancing:   true, // make sure we skip the decommissioned pool
							NoAuditLog:        true,
						})
					var failure bool
					if err != nil && !isErrObjectNotFound(err) && !isErrVersionNotFound(err) {
						rebalanceLogIf(ctx, err)
						failure = true
					}

					if !failure {
						z.updatePoolStats(poolIdx, bucket, version)
						rebalanced++
					}