v := make([]int, len(b))
	for i, x := range b {
		v[i] = x + a
	}
	return v
}

var myError = errors.New("my error")

// MyError returns a value and an error according to its argument.
func (t *T) MyError(error bool) (bool, error) {
	if error {
		return true, myError
	}
	return false, nil
}

// A few methods to test chaining.
func (t *T) GetU() *U {
	return t.U
}

		CaseName
		dest any
		in   string
	}{
		{Name(""), new(string), `{"user": "name"}`}, // issue 4628.
		{Name(""), new(error), `{}`},                // issue 4222
		{Name(""), new(error), `[]`},
		{Name(""), new(error), `""`},
		{Name(""), new(error), `123`},
		{Name(""), new(error), `true`},
	}
	for _, tt := range tests {
		t.Run(tt.Name, func(t *testing.T) {
			err := Unmarshal([]byte(tt.in), tt.dest)

			if err != nil {
				// We look at error strings as the
				// expected errors are OS-specific.
				switch {
				case errors.Is(err, ErrClosed),
					strings.Contains(err.Error(), "broken pipe"),
					strings.Contains(err.Error(), "pipe is being closed"),
					strings.Contains(err.Error(), "hungup channel"):
					// Ignore an expected error.
				default:
					// Unexpected error.
					t.Error(err)
				}

				_, err = result.Infos()
			}

			if len(tc.expectedError) == 0 {
				if err != nil {
					t.Errorf("unexpected error: %v", err)
				}
			} else {
				if err == nil {
					t.Errorf("expected error, got none")
				} else if !strings.Contains(err.Error(), tc.expectedError) {
					t.Errorf("expected error with '%s', got: %v", tc.expectedError, err)
				}
			}

		})
	}
}

	err := client.Handshake()
	if err != nil {
		if err, ok := err.(net.Error); ok && err.Timeout() {
			t.Errorf("Expected a closed network connection error but got '%s'", err.Error())
		}
	} else {
		t.Errorf("Error expected, but no error returned")
	}
}

func testDowngradeCanary(t *testing.T, clientVersion, serverVersion uint16) error {
	defer func() { testingOnlyForceDowngradeCanary = false }()

				// Report the error on the 2nd operand since we only
				// know after seeing the 2nd operand whether we have
				// an invalid comparison.
				errOp = y
				goto Error
			}

		case !Comparable(x.typ):
			errOp = x
			cause = check.incomparableCause(x.typ)
			goto Error

		case !Comparable(y.typ):
			errOp = y
			cause = check.incomparableCause(y.typ)
			goto Error

			if testCase.expectedError.Error() != actualErr.Error() {
				t.Errorf("Test %d: %s: Expected to fail with error \"%s\", but instead failed with error \"%s\" instead.", i+1, instanceType, testCase.expectedError.Error(), actualErr.Error())
			}
		}
		// Test passes as expected, but the output values are verified for correctness here.
		if actualErr == nil && testCase.shouldPass {

	derrs := make([]error, len(poolIndices))
	dobjects := make([]ObjectInfo, len(poolIndices))

	// Delete concurrently in all server pools that reported no error or read quorum error
	// where the read quorum issue is from metadata inconsistency.
	var wg sync.WaitGroup
	for idx, pe := range poolIndices {

			goto Error
		}
		if isTypeParam(x.typ) {
			check.errorf(x, InvalidAssert, invalidOp+"cannot use type assertion on type parameter value %s", x)
			goto Error
		}
		if _, ok := under(x.typ).(*Interface); !ok {
			check.errorf(x, InvalidAssert, invalidOp+"%s is not an interface", x)
			goto Error
		}
		T := check.varType(e.Type)
		if !isValid(T) {
			goto Error
		}
		check.typeAssertion(e, x, T, false)

	if err := DB.Exec(sql).Error; err != nil {
		t.Errorf("Failed, got error: %v", err)
	}

	session := DB.Session(&gorm.Session{Logger: Tracer{
		Logger: DB.Config.Logger,
		Test: func(ctx context.Context, begin time.Time, fc func() (sql string, rowsAffected int64), err error) {
			sql, _ := fc()
			if strings.HasPrefix(sql, "ALTER TABLE") {
				t.Errorf("shouldn't execute: sql=%s", sql)
			}
		},