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Code Duplication    Length = 17-17 lines in 3 locations

tests/Lists/CircularLinkedListTest.php 1 location

@@ 126-142 (lines=17) @@
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        $this->list->pop();
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    }
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    public function testUnshift() {
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        $this->list->unshift(999);
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        $this->assertEquals(1, $this->list->size());
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        $this->assertEquals(999, $this->list->get(0));
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        $this->assertEquals($this->list->getLast(), 999);
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        $this->list->unshift(888);
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        $this->assertEquals(2, $this->list->size());
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        $this->assertEquals(888, $this->list->get(0));
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        $this->assertEquals(999, $this->list->get(1));
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        $this->assertEquals($this->list->getLast(), 999);
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        $this->list->unshift(777);
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        $this->assertEquals(3, $this->list->size());
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        $this->assertEquals(777, $this->list->get(0));
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        $this->assertEquals(888, $this->list->get(1));
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        $this->assertEquals(999, $this->list->get(2));
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        $this->assertEquals($this->list->getLast(), 999);
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    }
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    public function testGet() {
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        $this->list->push(20);

tests/Lists/ArrayListTest.php 1 location

@@ 124-140 (lines=17) @@
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        $this->list->pop();
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    }
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    public function testUnshift() {
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        $this->list->unshift(999);
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        $this->assertEquals(1, $this->list->size());
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        $this->assertEquals(999, $this->list->get(0));
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        $this->assertEquals($this->list->getLast(), 999);
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        $this->list->unshift(888);
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        $this->assertEquals(2, $this->list->size());
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        $this->assertEquals(888, $this->list->get(0));
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        $this->assertEquals(999, $this->list->get(1));
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        $this->assertEquals($this->list->getLast(), 999);
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        $this->list->unshift(777);
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        $this->assertEquals(3, $this->list->size());
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        $this->assertEquals(777, $this->list->get(0));
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        $this->assertEquals(888, $this->list->get(1));
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        $this->assertEquals(999, $this->list->get(2));
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        $this->assertEquals($this->list->getLast(), 999);
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    }
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    public function testGet() {
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        $this->list->push(20);

tests/Lists/DoublyLinkedListTest.php 1 location

@@ 126-142 (lines=17) @@
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        $this->list->pop();
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    }
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    public function testUnshift() {
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        $this->list->unshift(999);
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        $this->assertEquals(1, $this->list->size());
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        $this->assertEquals(999, $this->list->get(0));
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        $this->assertEquals($this->list->getLast(), 999);
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        $this->list->unshift(888);
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        $this->assertEquals(2, $this->list->size());
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        $this->assertEquals(888, $this->list->get(0));
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        $this->assertEquals(999, $this->list->get(1));
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        $this->assertEquals($this->list->getLast(), 999);
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        $this->list->unshift(777);
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        $this->assertEquals(3, $this->list->size());
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        $this->assertEquals(777, $this->list->get(0));
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        $this->assertEquals(888, $this->list->get(1));
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        $this->assertEquals(999, $this->list->get(2));
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        $this->assertEquals($this->list->getLast(), 999);
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    }
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    public function testGet() {
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        $this->list->push(20);