function NaturalSortTest::testExplicitLangcode

Tests comparing strings with an explicit language code.

Attributes

File

core/tests/Drupal/Tests/Core/Utility/NaturalSortTest.php, line 28

Class

NaturalSortTest

Tests Drupal\Core\Utility\NaturalSort.

Namespace

Code

public function testExplicitLangcode() : void {
  // Numbers embedded in strings are compared by their numeric value.
  $this->assertGreaterThan(0, NaturalSort::strnatcasecmp('Format 100x100', 'Format 10x10', 'en'));
  $this->assertLessThan(0, NaturalSort::strnatcasecmp('Format 10x10', 'Format 100x100', 'en'));
  $this->assertSame(0, NaturalSort::strnatcasecmp('Format 10x10', 'Format 10x10', 'en'));
  // Accented characters are sorted by their base letter, unlike
  // strnatcasecmp(), which sorts them after all ASCII characters.
  $this->assertLessThan(0, NaturalSort::strnatcasecmp('Émission', 'Format', 'en'));
  $this->assertGreaterThan(0, NaturalSort::strnatcasecmp('Format', 'Émission', 'en'));
  // Comparing is case-insensitive for different letters.
  $this->assertLessThan(0, NaturalSort::strnatcasecmp('apple', 'Banana', 'en'));
  $this->assertGreaterThan(0, NaturalSort::strnatcasecmp('Banana', 'apple', 'en'));
}