DusanKasan /
Knapsack
| @@ 196-206 (lines=11) @@ | ||
| 193 | $collection->size()->shouldReturn(6); |
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| 194 | } |
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| 195 | ||
| 196 | function it_can_map() |
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| 197 | { |
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| 198 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 199 | ||
| 200 | $this |
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| 201 | ->map(function ($item) { |
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| 202 | return $item + 1; |
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| 203 | }) |
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| 204 | ->toArray() |
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| 205 | ->shouldReturn([2, 4, 4, 3]); |
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| 206 | } |
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| 207 | ||
| 208 | function it_can_reduce() |
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| 209 | { |
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| @@ 671-680 (lines=10) @@ | ||
| 668 | ->shouldReturn([1, 3, 3, 2, 1, 3, 3, 2]); |
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| 669 | } |
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| 670 | ||
| 671 | function it_can_prepend_item() |
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| 672 | { |
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| 673 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 674 | ||
| 675 | $this |
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| 676 | ->prepend(1) |
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| 677 | ->values() |
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| 678 | ->toArray() |
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| 679 | ->shouldReturn([1, 1, 3, 3, 2]); |
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| 680 | } |
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| 681 | ||
| 682 | function it_can_prepend_item_with_key() |
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| 683 | { |
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| @@ 692-701 (lines=10) @@ | ||
| 689 | ->shouldReturn(['a' => 1, 0 => 1, 1 => 3, 2 => 3, 3 => 2]); |
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| 690 | } |
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| 691 | ||
| 692 | function it_can_append_item() |
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| 693 | { |
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| 694 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 695 | ||
| 696 | $this |
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| 697 | ->append(1) |
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| 698 | ->values() |
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| 699 | ->toArray() |
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| 700 | ->shouldReturn([1, 3, 3, 2, 1]); |
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| 701 | } |
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| 702 | ||
| 703 | function it_can_append_item_with_key() |
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| 704 | { |
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| @@ 802-810 (lines=9) @@ | ||
| 799 | $s2->second()->toArray()->shouldBe([1 => 3, 2 => 3, 3 => 2]); |
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| 800 | } |
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| 801 | ||
| 802 | function it_can_replace_items_by_items_from_another_collection() |
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| 803 | { |
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| 804 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 805 | ||
| 806 | $this |
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| 807 | ->replace([3 => 'a']) |
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| 808 | ->toArray() |
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| 809 | ->shouldReturn([1, 'a', 'a', 2]); |
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| 810 | } |
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| 811 | ||
| 812 | function it_can_get_reduction_steps() |
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| 813 | { |
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| @@ 812-825 (lines=14) @@ | ||
| 809 | ->shouldReturn([1, 'a', 'a', 2]); |
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| 810 | } |
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| 811 | ||
| 812 | function it_can_get_reduction_steps() |
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| 813 | { |
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| 814 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 815 | ||
| 816 | $this |
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| 817 | ->reductions( |
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| 818 | function ($tmp, $i) { |
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| 819 | return $tmp + $i; |
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| 820 | }, |
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| 821 | 0 |
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| 822 | ) |
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| 823 | ->toArray() |
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| 824 | ->shouldReturn([0, 1, 4, 7, 9]); |
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| 825 | } |
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| 826 | ||
| 827 | function it_can_return_every_nth_item() |
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| 828 | { |
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