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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| @@ 464-478 (lines=15) @@ | ||
| 461 | ->shouldReturn(false); |
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| 462 | } |
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| 463 | ||
| 464 | function it_can_reverse() |
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| 465 | { |
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| 466 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 467 | ||
| 468 | $this |
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| 469 | ->reverse() |
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| 470 | ->toArray() |
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| 471 | ->shouldReturn([ |
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| 472 | 3 => 2, |
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| 473 | 2 => 3, |
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| 474 | 1 => 3, |
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| 475 | 0 => 1, |
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| 476 | ]) |
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| 477 | ; |
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| 478 | } |
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| 479 | ||
| 480 | function it_can_reduce_from_right() |
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| 481 | { |
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| @@ 615-624 (lines=10) @@ | ||
| 612 | ->shouldReturn([1, 3, 3, 2, 1, 3, 3, 2]); |
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| 613 | } |
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| 614 | ||
| 615 | function it_can_prepend_item() |
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| 616 | { |
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| 617 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 618 | ||
| 619 | $this |
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| 620 | ->prepend(1) |
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| 621 | ->values() |
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| 622 | ->toArray() |
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| 623 | ->shouldReturn([1, 1, 3, 3, 2]); |
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| 624 | } |
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| 625 | ||
| 626 | function it_can_prepend_item_with_key() |
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| 627 | { |
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| @@ 636-645 (lines=10) @@ | ||
| 633 | ->shouldReturn(['a' => 1, 0 => 1, 1 => 3, 2 => 3, 3 => 2]); |
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| 634 | } |
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| 635 | ||
| 636 | function it_can_append_item() |
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| 637 | { |
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| 638 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 639 | ||
| 640 | $this |
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| 641 | ->append(1) |
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| 642 | ->values() |
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| 643 | ->toArray() |
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| 644 | ->shouldReturn([1, 3, 3, 2, 1]); |
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| 645 | } |
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| 646 | ||
| 647 | function it_can_append_item_with_key() |
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| 648 | { |
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| @@ 746-754 (lines=9) @@ | ||
| 743 | $s2->second()->toArray()->shouldBe([1 => 3, 2 => 3, 3 => 2]); |
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| 744 | } |
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| 745 | ||
| 746 | function it_can_replace_items_by_items_from_another_collection() |
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| 747 | { |
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| 748 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 749 | ||
| 750 | $this |
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| 751 | ->replace([3 => 'a']) |
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| 752 | ->toArray() |
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| 753 | ->shouldReturn([1, 'a', 'a', 2]); |
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| 754 | } |
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| 755 | ||
| 756 | function it_can_get_reduction_steps() |
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| 757 | { |
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| @@ 756-769 (lines=14) @@ | ||
| 753 | ->shouldReturn([1, 'a', 'a', 2]); |
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| 754 | } |
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| 755 | ||
| 756 | function it_can_get_reduction_steps() |
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| 757 | { |
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| 758 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 759 | ||
| 760 | $this |
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| 761 | ->reductions( |
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| 762 | function ($tmp, $i) { |
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| 763 | return $tmp + $i; |
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| 764 | }, |
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| 765 | 0 |
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| 766 | ) |
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| 767 | ->toArray() |
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| 768 | ->shouldReturn([0, 1, 4, 7, 9]); |
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| 769 | } |
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| 770 | ||
| 771 | function it_can_return_every_nth_item() |
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| 772 | { |
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