public function test_extend() { $r1 = new ValidationResult(); $r2 = new ValidationResult(); $r3 = new ValidationResult(); $e1 = new ValidationError('foo', 'bar', new StringConstraint()); $e2 = new ValidationError('bar', 'foo', new StringConstraint()); $e3 = new ValidationError('baz', 'bar', new StringConstraint()); $r1->addErrors([$e1, $e2]); $r2->addError($e2); $r3->addError($e3); $this->assertEquals([$e1, $e2], $r1->getErrors()); $r1->extend($r2); $this->assertEquals([$e1, $e2, $e2], $r1->getErrors()); $r1->extend($r3); $this->assertEquals([$e1, $e2, $e2, $e3], $r1->getErrors()); }