SiroDiaz / DataStructures

        $this->assertTrue($this->list->empty());

    }

    public function testPush() {

        $this->list->push(20);

        $this->assertEquals(1, $this->list->size());

        $this->assertEquals(20, $this->list->get(0));

        $this->list->push(true);

        $this->assertEquals(2, $this->list->size());

        $this->assertTrue($this->list->get(1));

        $this->list->push(30);

        $this->assertEquals(30, $this->list->get(2));

    }

    public function testInsert() {

        $this->list->insert(0, 100);

        $this->assertEquals(8, $this->tree->size());

    }

    public function testWordCount() {

        $this->tree->add('hello');

        $this->assertEquals(1, $this->tree->wordCount());

        $this->tree->add('bye');

        $this->assertEquals(2, $this->tree->wordCount());

        $this->tree->add('hello');

        $this->assertEquals(2, $this->tree->wordCount());

        $this->tree->add('hell');

        $this->assertEquals(3, $this->tree->wordCount());

    }

    public function testContains() {

        $this->tree->add('hello');