public function testCreate()
{
$props = new Props(['a' => 5, 'b' => 1000, 'c' => 'c']);
$props->computed('sum', function ($props) {
return $props->a + $props->b;
});
$this->assertEquals(['a', 'b', 'c', 'sum'], $props->keys());
$clone1 = $props->create(['a', 'sum'], ['extra' => 'extra_value']);
$this->assertFalse($clone1->immutable());
$this->assertEquals(['extra', 'a', 'sum'], $clone1->keys());
$clone1->computed('b', function ($props) {
return $props->a * 100;
});
$this->assertEquals(['extra', 'a', 'sum', 'b'], $clone1->keys());
$this->assertEquals(500, $clone1->b);
$this->assertEquals(505, $clone1->sum);
$this->assertException(function () use($props) {
$props->create(['a', 'b'], ['a' => 3]);
}, 'Ra\\PropExistsException');
}
