DusanKasan /
Knapsack
| @@ 197-207 (lines=11) @@ | ||
| 194 | $collection->size()->shouldReturn(6); |
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| 195 | } |
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| 196 | ||
| 197 | function it_can_map() |
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| 198 | { |
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| 199 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 200 | ||
| 201 | $this |
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| 202 | ->map(function ($item) { |
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| 203 | return $item + 1; |
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| 204 | }) |
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| 205 | ->toArray() |
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| 206 | ->shouldReturn([2, 4, 4, 3]); |
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| 207 | } |
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| 208 | ||
| 209 | function it_can_reduce() |
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| 210 | { |
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| @@ 528-542 (lines=15) @@ | ||
| 525 | ->shouldReturn(false); |
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| 526 | } |
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| 527 | ||
| 528 | function it_can_reverse() |
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| 529 | { |
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| 530 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 531 | ||
| 532 | $this |
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| 533 | ->reverse() |
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| 534 | ->toArray() |
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| 535 | ->shouldReturn([ |
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| 536 | 3 => 2, |
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| 537 | 2 => 3, |
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| 538 | 1 => 3, |
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| 539 | 0 => 1, |
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| 540 | ]) |
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| 541 | ; |
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| 542 | } |
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| 543 | ||
| 544 | function it_can_reduce_from_right() |
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| 545 | { |
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| @@ 679-688 (lines=10) @@ | ||
| 676 | ->shouldReturn([1, 3, 3, 2, 1, 3, 3, 2]); |
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| 677 | } |
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| 678 | ||
| 679 | function it_can_prepend_item() |
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| 680 | { |
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| 681 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 682 | ||
| 683 | $this |
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| 684 | ->prepend(1) |
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| 685 | ->values() |
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| 686 | ->toArray() |
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| 687 | ->shouldReturn([1, 1, 3, 3, 2]); |
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| 688 | } |
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| 689 | ||
| 690 | function it_can_prepend_item_with_key() |
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| 691 | { |
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| @@ 700-709 (lines=10) @@ | ||
| 697 | ->shouldReturn(['a' => 1, 0 => 1, 1 => 3, 2 => 3, 3 => 2]); |
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| 698 | } |
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| 699 | ||
| 700 | function it_can_append_item() |
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| 701 | { |
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| 702 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 703 | ||
| 704 | $this |
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| 705 | ->append(1) |
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| 706 | ->values() |
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| 707 | ->toArray() |
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| 708 | ->shouldReturn([1, 3, 3, 2, 1]); |
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| 709 | } |
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| 710 | ||
| 711 | function it_can_append_item_with_key() |
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| 712 | { |
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| @@ 810-818 (lines=9) @@ | ||
| 807 | $s2->second()->toArray()->shouldBe([1 => 3, 2 => 3, 3 => 2]); |
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| 808 | } |
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| 809 | ||
| 810 | function it_can_replace_items_by_items_from_another_collection() |
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| 811 | { |
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| 812 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 813 | ||
| 814 | $this |
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| 815 | ->replace([3 => 'a']) |
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| 816 | ->toArray() |
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| 817 | ->shouldReturn([1, 'a', 'a', 2]); |
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| 818 | } |
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| 819 | ||
| 820 | function it_can_get_reduction_steps() |
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| 821 | { |
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| @@ 820-833 (lines=14) @@ | ||
| 817 | ->shouldReturn([1, 'a', 'a', 2]); |
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| 818 | } |
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| 819 | ||
| 820 | function it_can_get_reduction_steps() |
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| 821 | { |
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| 822 | $this->beConstructedWith([1, 3, 3, 2,]); |
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| 823 | ||
| 824 | $this |
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| 825 | ->reductions( |
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| 826 | function ($tmp, $i) { |
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| 827 | return $tmp + $i; |
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| 828 | }, |
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| 829 | 0 |
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| 830 | ) |
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| 831 | ->toArray() |
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| 832 | ->shouldReturn([0, 1, 4, 7, 9]); |
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| 833 | } |
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| 834 | ||
| 835 | function it_can_return_every_nth_item() |
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| 836 | { |
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