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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| @@ 618-627 (lines=10) @@ | ||
| 615 | ->shouldReturn([1, 3, 3, 2, 1, 3, 3, 2]); |
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| 616 | } |
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| 617 | ||
| 618 | function it_can_prepend_item() |
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| 619 | { |
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| 620 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 621 | ||
| 622 | $this |
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| 623 | ->prepend(1) |
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| 624 | ->values() |
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| 625 | ->toArray() |
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| 626 | ->shouldReturn([1, 1, 3, 3, 2]); |
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| 627 | } |
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| 628 | ||
| 629 | function it_can_prepend_item_with_key() |
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| 630 | { |
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| @@ 639-648 (lines=10) @@ | ||
| 636 | ->shouldReturn(['a' => 1, 0 => 1, 1 => 3, 2 => 3, 3 => 2]); |
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| 637 | } |
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| 638 | ||
| 639 | function it_can_append_item() |
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| 640 | { |
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| 641 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 642 | ||
| 643 | $this |
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| 644 | ->append(1) |
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| 645 | ->values() |
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| 646 | ->toArray() |
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| 647 | ->shouldReturn([1, 3, 3, 2, 1]); |
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| 648 | } |
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| 649 | ||
| 650 | function it_can_append_item_with_key() |
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| 651 | { |
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| @@ 749-757 (lines=9) @@ | ||
| 746 | $s2->second()->toArray()->shouldBe([1 => 3, 2 => 3, 3 => 2]); |
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| 747 | } |
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| 748 | ||
| 749 | function it_can_replace_items_by_items_from_another_collection() |
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| 750 | { |
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| 751 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 752 | ||
| 753 | $this |
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| 754 | ->replace([3 => 'a']) |
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| 755 | ->toArray() |
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| 756 | ->shouldReturn([1, 'a', 'a', 2]); |
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| 757 | } |
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| 758 | ||
| 759 | function it_can_get_reduction_steps() |
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| 760 | { |
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| @@ 759-772 (lines=14) @@ | ||
| 756 | ->shouldReturn([1, 'a', 'a', 2]); |
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| 757 | } |
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| 758 | ||
| 759 | function it_can_get_reduction_steps() |
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| 760 | { |
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| 761 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 762 | ||
| 763 | $this |
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| 764 | ->reductions( |
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| 765 | function ($tmp, $i) { |
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| 766 | return $tmp + $i; |
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| 767 | }, |
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| 768 | 0 |
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| 769 | ) |
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| 770 | ->toArray() |
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| 771 | ->shouldReturn([0, 1, 4, 7, 9]); |
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| 772 | } |
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| 773 | ||
| 774 | function it_can_return_every_nth_item() |
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| 775 | { |
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