PhpParser\Node\NameTest::testSlice PHP Method

    public function testSlice()
    {
        $name = new Name('foo\\bar\\baz');
        $this->assertEquals(new Name('foo\\bar\\baz'), $name->slice(0));
        $this->assertEquals(new Name('bar\\baz'), $name->slice(1));
        $this->assertNull($name->slice(3));
        $this->assertEquals(new Name('foo\\bar\\baz'), $name->slice(-3));
        $this->assertEquals(new Name('bar\\baz'), $name->slice(-2));
        $this->assertEquals(new Name('foo\\bar'), $name->slice(0, -1));
        $this->assertNull($name->slice(0, -3));
        $this->assertEquals(new Name('bar'), $name->slice(1, -1));
        $this->assertNull($name->slice(1, -2));
        $this->assertEquals(new Name('bar'), $name->slice(-2, 1));
        $this->assertEquals(new Name('bar'), $name->slice(-2, -1));
        $this->assertNull($name->slice(-2, -2));
    }