graze / data-structure

        $this->assertEquals('c', $cont->get('baz'));

    }

    public function testExtractedChildDoesNotModifyParent()

    {

        $cont = new ImmutableContainer(['a' => 'b', 'c' => new Container(['d' => 'e'])]);

        $child = $cont->get('c');

        $child->set('d', 'f');

        $this->assertEquals(

            ['a' => 'b', 'c' => new Container(['d' => 'e'])],

            $cont->getAll(),

            'modifying a child object should not modify the parent container'

        );

    }

}

        );

    }

    public function testImmutableChildReferences()

    {

        $child = new Container(['a' => 'b', 'c' => 'd']);

        $container = new ImmutableFlatContainer(['child' => $child]);

        $child->set('c', 'e');

        $this->assertEquals(

            ['child' => new Container(['a' => 'b', 'c' => 'd'])],

            $container->getAll()

        );

    }

    public function testExtractedChildDoesNotModifyParent()

    {

        );

    }

    public function testExtractedChildDoesNotModifyParent()

    {

        $cont = new ImmutableFlatContainer(['a' => 'b', 'c' => new Container(['d' => 'e'])]);

        $child = $cont->get('c');

        $child->set('d', 'f');

        $this->assertEquals(

            ['a' => 'b', 'c' => new Container(['d' => 'e'])],

            $cont->getAll(),

            'modifying a child object should not modify the parent container'

        );

    }

}