Function isOrdered

assert/assertion_order.go:9–45

isOrdered checks that collection contains orderable elements.

(t TestingT, object interface{}, allowedComparesResults []compareResult, failMessage string, msgAndArgs ...interface{})

// isOrdered checks that collection contains orderable elements.
func isOrdered(t TestingT, object interface{}, allowedComparesResults []compareResult, failMessage string, msgAndArgs ...interface{}) bool {
	objKind := reflect.TypeOf(object).Kind()
	if objKind != reflect.Slice && objKind != reflect.Array {
		return false
	}

	objValue := reflect.ValueOf(object)
	objLen := objValue.Len()

	if objLen <= 1 {
		return true
	}

	value := objValue.Index(0)
	valueInterface := value.Interface()
	firstValueKind := value.Kind()

	for i := 1; i < objLen; i++ {
		prevValue := value
		prevValueInterface := valueInterface

		value = objValue.Index(i)
		valueInterface = value.Interface()

		compareResult, isComparable := compare(prevValueInterface, valueInterface, firstValueKind)

		if !isComparable {
			return Fail(t, fmt.Sprintf(`Can not compare type "%T" and "%T"`, value, prevValue), msgAndArgs...)
		}

		if !containsValue(allowedComparesResults, compareResult) {
			return Fail(t, fmt.Sprintf(failMessage, prevValue, value), msgAndArgs...)
		}
	}

	return true
}

// IsIncreasing asserts that the collection is increasing
//