NotOrdered succeeds if at least one element is less than the previous element as defined on the given `less` comparator function. For default, it will use built-in comparator function for each data type. Built-in comparator requires all elements in the array to have same data type. Array with 0 or 1
(less ...func(x, y *Value) bool)
| 1651 | // return x.Number().Raw() < y.Number().Raw() |
| 1652 | // }) // succeeds |
| 1653 | func (a *Array) NotOrdered(less ...func(x, y *Value) bool) *Array { |
| 1654 | opChain := a.chain.enter("NotOrdered()") |
| 1655 | defer opChain.leave() |
| 1656 | |
| 1657 | if opChain.failed() { |
| 1658 | return a |
| 1659 | } |
| 1660 | |
| 1661 | if len(less) > 1 { |
| 1662 | opChain.fail(AssertionFailure{ |
| 1663 | Type: AssertUsage, |
| 1664 | Errors: []error{ |
| 1665 | errors.New("unexpected multiple less arguments"), |
| 1666 | }, |
| 1667 | }) |
| 1668 | return a |
| 1669 | } |
| 1670 | |
| 1671 | var lessFn func(x, y *Value) bool |
| 1672 | if len(less) == 1 { |
| 1673 | lessFn = less[0] |
| 1674 | if lessFn == nil { |
| 1675 | opChain.fail(AssertionFailure{ |
| 1676 | Type: AssertUsage, |
| 1677 | Errors: []error{ |
| 1678 | errors.New("unexpected nil less argument"), |
| 1679 | }, |
| 1680 | }) |
| 1681 | return a |
| 1682 | } |
| 1683 | } else { |
| 1684 | lessFn = builtinComparator(opChain, a.value) |
| 1685 | if lessFn == nil { |
| 1686 | return a |
| 1687 | } |
| 1688 | } |
| 1689 | |
| 1690 | if len(a.value) <= 1 { |
| 1691 | return a |
| 1692 | } |
| 1693 | |
| 1694 | ordered := true |
| 1695 | |
| 1696 | for i := 0; i < len(a.value)-1; i++ { |
| 1697 | func() { |
| 1698 | xChain := opChain.replace("IsOrdered[%d]", i) |
| 1699 | defer xChain.leave() |
| 1700 | |
| 1701 | yChain := opChain.replace("IsOrdered[%d]", i+1) |
| 1702 | defer yChain.leave() |
| 1703 | |
| 1704 | x := newValue(xChain, a.value[i]) |
| 1705 | y := newValue(yChain, a.value[i+1]) |
| 1706 | |
| 1707 | if lessFn(y, x) { |
| 1708 | ordered = false |
| 1709 | } |
| 1710 | }() |