DusanKasan /
Knapsack
| @@ 140-150 (lines=11) @@ | ||
| 137 | $collection->size()->shouldReturn(6); |
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| 138 | } |
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| 139 | ||
| 140 | function it_can_map() |
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| 141 | { |
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| 142 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 143 | ||
| 144 | $this |
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| 145 | ->map(function ($item) { |
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| 146 | return $item + 1; |
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| 147 | }) |
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| 148 | ->toArray() |
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| 149 | ->shouldReturn([2, 4, 4, 3]); |
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| 150 | } |
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| 151 | ||
| 152 | function it_can_reduce() |
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| 153 | { |
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| @@ 625-634 (lines=10) @@ | ||
| 622 | ->shouldReturn([1, 3, 3, 2, 1, 3, 3, 2]); |
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| 623 | } |
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| 624 | ||
| 625 | function it_can_prepend_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 | ->prepend(1) |
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| 631 | ->values() |
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| 632 | ->toArray() |
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| 633 | ->shouldReturn([1, 1, 3, 3, 2]); |
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| 634 | } |
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| 635 | ||
| 636 | function it_can_prepend_item_with_key() |
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| 637 | { |
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| @@ 646-655 (lines=10) @@ | ||
| 643 | ->shouldReturn(['a' => 1, 0 => 1, 1 => 3, 2 => 3, 3 => 2]); |
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| 644 | } |
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| 645 | ||
| 646 | function it_can_append_item() |
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| 647 | { |
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| 648 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 649 | ||
| 650 | $this |
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| 651 | ->append(1) |
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| 652 | ->values() |
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| 653 | ->toArray() |
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| 654 | ->shouldReturn([1, 3, 3, 2, 1]); |
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| 655 | } |
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| 656 | ||
| 657 | function it_can_append_item_with_key() |
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| 658 | { |
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| @@ 756-764 (lines=9) @@ | ||
| 753 | $s2->second()->toArray()->shouldBe([1 => 3, 2 => 3, 3 => 2]); |
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| 754 | } |
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| 755 | ||
| 756 | function it_can_replace_items_by_items_from_another_collection() |
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| 757 | { |
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| 758 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 759 | ||
| 760 | $this |
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| 761 | ->replace([3 => 'a']) |
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| 762 | ->toArray() |
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| 763 | ->shouldReturn([1, 'a', 'a', 2]); |
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| 764 | } |
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| 765 | ||
| 766 | function it_can_get_reduction_steps() |
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| 767 | { |
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| @@ 766-779 (lines=14) @@ | ||
| 763 | ->shouldReturn([1, 'a', 'a', 2]); |
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| 764 | } |
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| 765 | ||
| 766 | function it_can_get_reduction_steps() |
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| 767 | { |
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| 768 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 769 | ||
| 770 | $this |
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| 771 | ->reductions( |
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| 772 | function ($tmp, $i) { |
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| 773 | return $tmp + $i; |
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| 774 | }, |
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| 775 | 0 |
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| 776 | ) |
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| 777 | ->toArray() |
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| 778 | ->shouldReturn([0, 1, 4, 7, 9]); |
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| 779 | } |
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| 780 | ||
| 781 | function it_can_return_every_nth_item() |
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| 782 | { |
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