function ElementsVerticalTabsTest::testJavaScriptOrdering

Ensures that vertical-tabs.js is included before collapse.js.

Otherwise, collapse.js adds "SHOW" or "HIDE" labels to the tabs.

File

core/modules/system/tests/src/Functional/Form/ElementsVerticalTabsTest.php, line 57

Class

ElementsVerticalTabsTest

Tests the vertical_tabs form element for expected behavior.

Namespace

Code

public function testJavaScriptOrdering() {
    $this->drupalGet('form_test/vertical-tabs');
    $content = $this->getSession()
        ->getPage()
        ->getContent();
    $position1 = strpos($content, 'core/misc/vertical-tabs.js');
    $position2 = strpos($content, 'core/misc/collapse.js');
    $this->assertTrue($position1 !== FALSE && $position2 !== FALSE && $position1 < $position2, 'vertical-tabs.js is included before collapse.js');
}