SiroDiaz / DataStructures

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

    }

    public function testDelete() {

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

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

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

        $this->tree->delete('hellou');

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

        $this->assertFalse($this->tree->contains('hellou'));

        $this->assertTrue($this->tree->contains('hell'));

        $this->assertTrue($this->tree->contains('yellow'));

        $this->tree->delete('yellow');

        $this->assertEquals(4, $this->tree->size());

    }

    public function testClear() {

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

        $this->assertEquals(4, $this->tree->size());

    }

    public function testClear() {

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

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

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

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

        $this->tree->clear();

        var_dump($this->tree);

        $this->assertFalse($this->tree->contains('hellou'));

        $this->assertFalse($this->tree->contains('hell'));

        $this->assertFalse($this->tree->contains('yellow'));

        $this->assertEquals(0, $this->tree->size());

    }

}