--- /dev/null
+<?php
+
+namespace Drupal\Tests\drupalmoduleupgrader\Unit\Plugin\DMU\Converter\Functions;
+
+use Pharborist\Parser;
+
+/**
+ * @group DMU.Converter.Functions
+ * @covers \Drupal\drupalmoduleupgrader\Plugin\DMU\Converter\Functions\FormStateValuesClean
+ */
+class FormStateValuesCleanTest extends FunctionCallModifierTestBase {
+
+ public function testRewrite() {
+ $function_call = Parser::parseExpression('form_state_values_clean($form_state)');
+ $rewritten = $this->plugin->rewrite($function_call, $this->target);
+ $this->assertInstanceOf('\Pharborist\Objects\ObjectMethodCallNode', $rewritten);
+ $this->assertEquals('$form_state->cleanValues()', $rewritten->getText());
+ }
+
+}