public function ResettableStaticTest::testDrupalStatic

Tests drupal_static() function.

Tests that a variable reference returned by drupal_static() gets reset when drupal_static_reset() is called.

File

core/tests/Drupal/KernelTests/Core/Bootstrap/ResettableStaticTest.php, line 22

Class

ResettableStaticTest

Tests that drupal_static() and drupal_static_reset() work.

Namespace

Code

public function testDrupalStatic() {
  $name = __CLASS__ . '_' . __METHOD__;
  $var =& drupal_static($name, 'foo');
  $this
    ->assertEquals('foo', $var, 'Variable returned by drupal_static() was set to its default.');

  // Call the specific reset and the global reset each twice to ensure that
  // multiple resets can be issued without odd side effects.
  $var = 'bar';
  drupal_static_reset($name);
  $this
    ->assertEquals('foo', $var, 'Variable was reset after first invocation of name-specific reset.');
  $var = 'bar';
  drupal_static_reset($name);
  $this
    ->assertEquals('foo', $var, 'Variable was reset after second invocation of name-specific reset.');
  $var = 'bar';
  drupal_static_reset();
  $this
    ->assertEquals('foo', $var, 'Variable was reset after first invocation of global reset.');
  $var = 'bar';
  drupal_static_reset();
  $this
    ->assertEquals('foo', $var, 'Variable was reset after second invocation of global reset.');

  // Test calling drupal_static() with no arguments (empty string).
  $name1 = __CLASS__ . '_' . __METHOD__ . '1';
  $name2 = '';
  $var1 =& drupal_static($name1, 'initial1');
  $var2 =& drupal_static($name2, 'initial2');
  $this
    ->assertEquals('initial1', $var1, 'Variable 1 returned by drupal_static() was set to its default.');
  $this
    ->assertEquals('initial2', $var2, 'Variable 2 returned by drupal_static() was set to its default.');
  $var1 = 'modified1';
  $var2 = 'modified2';
  drupal_static_reset($name1);
  drupal_static_reset($name2);
  $this
    ->assertEquals('initial1', $var1, 'Variable 1 was reset after invocation of name-specific reset.');
  $this
    ->assertEquals('initial2', $var2, 'Variable 2 was reset after invocation of name-specific reset.');
  $var1 = 'modified1';
  $var2 = 'modified2';
  drupal_static_reset();
  $this
    ->assertEquals('initial1', $var1, 'Variable 1 was reset after invocation of global reset.');
  $this
    ->assertEquals('initial2', $var2, 'Variable 2 was reset after invocation of global reset.');
}