8 calls to Inspector::assertTraversable() in Drupal 9

Inspector::assertAll in core/lib/Drupal/Component/Assertion/Inspector.php

Asserts callback returns TRUE for each member of a traversable.

Inspector::assertAllHaveKey in core/lib/Drupal/Component/Assertion/Inspector.php

Asserts all given keys exist in every member array.

Inspector::assertAllMatch in core/lib/Drupal/Component/Assertion/Inspector.php

Asserts that all members are strings that contain the specified string.

Inspector::assertAllNotEmpty in core/lib/Drupal/Component/Assertion/Inspector.php

Asserts that all members are not empty.

Inspector::assertAllObjects in core/lib/Drupal/Component/Assertion/Inspector.php

Asserts that all members are objects.

Inspector::assertAllRegularExpressionMatch in core/lib/Drupal/Component/Assertion/Inspector.php

Asserts that all members are strings matching a regular expression.

Inspector::assertAllStringable in core/lib/Drupal/Component/Assertion/Inspector.php

Asserts all members are strings or objects with magic __toString() method.

InspectorTest::testAssertTraversable in core/tests/Drupal/Tests/Component/Assertion/InspectorTest.php

Tests asserting argument is an array or traversable object.