DusanKasan /
Knapsack
| @@ 132-142 (lines=11) @@ | ||
| 129 | $collection->size()->shouldReturn(6); |
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| 130 | } |
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| 131 | ||
| 132 | function it_can_map() |
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| 133 | { |
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| 134 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 135 | ||
| 136 | $this |
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| 137 | ->map(function ($item) { |
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| 138 | return $item + 1; |
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| 139 | }) |
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| 140 | ->toArray() |
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| 141 | ->shouldReturn([2, 4, 4, 3]); |
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| 142 | } |
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| 143 | ||
| 144 | function it_can_reduce() |
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| 145 | { |
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| @@ 604-613 (lines=10) @@ | ||
| 601 | ->shouldReturn([1, 3, 3, 2, 1, 3, 3, 2]); |
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| 602 | } |
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| 603 | ||
| 604 | function it_can_prepend_item() |
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| 605 | { |
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| 606 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 607 | ||
| 608 | $this |
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| 609 | ->prepend(1) |
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| 610 | ->values() |
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| 611 | ->toArray() |
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| 612 | ->shouldReturn([1, 1, 3, 3, 2]); |
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| 613 | } |
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| 614 | ||
| 615 | function it_can_prepend_item_with_key() |
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| 616 | { |
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| @@ 625-634 (lines=10) @@ | ||
| 622 | ->shouldReturn(['a' => 1, 0 => 1, 1 => 3, 2 => 3, 3 => 2]); |
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| 623 | } |
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| 624 | ||
| 625 | function it_can_append_item() |
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| 626 | { |
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| 627 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 628 | ||
| 629 | $this |
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| 630 | ->append(1) |
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| 631 | ->values() |
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| 632 | ->toArray() |
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| 633 | ->shouldReturn([1, 3, 3, 2, 1]); |
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| 634 | } |
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| 635 | ||
| 636 | function it_can_append_item_with_key() |
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| 637 | { |
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| @@ 735-743 (lines=9) @@ | ||
| 732 | $s2->second()->toArray()->shouldBe([1 => 3, 2 => 3, 3 => 2]); |
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| 733 | } |
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| 734 | ||
| 735 | function it_can_replace_items_by_items_from_another_collection() |
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| 736 | { |
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| 737 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 738 | ||
| 739 | $this |
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| 740 | ->replace([3 => 'a']) |
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| 741 | ->toArray() |
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| 742 | ->shouldReturn([1, 'a', 'a', 2]); |
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| 743 | } |
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| 744 | ||
| 745 | function it_can_get_reduction_steps() |
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| 746 | { |
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| @@ 745-758 (lines=14) @@ | ||
| 742 | ->shouldReturn([1, 'a', 'a', 2]); |
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| 743 | } |
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| 744 | ||
| 745 | function it_can_get_reduction_steps() |
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| 746 | { |
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| 747 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 748 | ||
| 749 | $this |
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| 750 | ->reductions( |
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| 751 | function ($tmp, $i) { |
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| 752 | return $tmp + $i; |
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| 753 | }, |
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| 754 | 0 |
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| 755 | ) |
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| 756 | ->toArray() |
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| 757 | ->shouldReturn([0, 1, 4, 7, 9]); |
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| 758 | } |
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| 759 | ||
| 760 | function it_can_return_every_nth_item() |
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| 761 | { |
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