Neos\Flow\Tests\Unit\Aop\Builder\ClassNameIndexTest::applyUnionWorks PHP Method

    public function applyUnionWorks()
    {
        $index1 = new Aop\Builder\ClassNameIndex();
        $index1->setClassNames(['\\Foo\\Bar', '\\Foo\\Baz']);
        $index2 = new Aop\Builder\ClassNameIndex();
        $index2->setClassNames(['\\Foo\\Baz', '\\Foo\\Blubb']);
        $index1->applyUnion($index2);
        $index1->sort();
        $this->assertEquals(['\\Foo\\Bar', '\\Foo\\Baz', '\\Foo\\Blubb'], $index1->getClassNames());
    }