function HTMLRestrictionsTest::testOperations

@covers ::diff
@covers ::intersect
@covers ::merge
@dataProvider providerOperands

File

core/modules/ckeditor5/tests/src/Unit/HTMLRestrictionsTest.php, line 880

Class

HTMLRestrictionsTest

@coversDefaultClass \Drupal\ckeditor5\HTMLRestrictions[[api-linebreak]] @group ckeditor5

Namespace

Code

public function testOperations(HTMLRestrictions $a, HTMLRestrictions $b, $expected_diff, $expected_intersection, $expected_union) : void {
  // This looks more complicated than it is: it applies the same processing to
  // all three of the expected operation results.
  foreach ([
    'diff',
    'intersection',
    'union',
  ] as $op) {
    $parameter = "expected_{$op}";
    // Ensure that the operation expectation is 'a' or 'b' whenever possible.
    if ($a == ${$parameter}) {
      throw new \LogicException("List 'a' as the expected {$op} rather than specifying it in full, to keep the tests legible.");
    }
    else {
      if ($b == ${$parameter}) {
        throw new \LogicException("List 'b' as the expected {$op} rather than specifying it in full, to keep the tests legible.");
      }
    }
    // Map any expected 'a' or 'b' string value to the corresponding operand.
    if (${$parameter} === 'a') {
      ${$parameter} = $a;
    }
    elseif (${$parameter} === 'b') {
      ${$parameter} = $b;
    }
    assert(${$parameter} instanceof HTMLRestrictions);
  }
  $this->assertEquals($expected_diff, $a->diff($b));
  $this->assertEquals($expected_intersection, $a->intersect($b));
  $this->assertEquals($expected_union, $a->merge($b));
}