WP/DiscouragedConstants: add tests for namespaced function calls

Add tests safeguarding that namespaced calls to functions named `define` are handled correctly.

Author: rodrigoprimo

WordPress/Tests/WP/DiscouragedConstantsUnitTest.inc

@@ -102,3 +102,11 @@ enum ContainsConst {
 }
 
 echo HEADER_TEXTCOLOR::$var; // OK.
+
+/*
+ * Safeguard correct handling of all types of namespaced function calls.
+ */
+\define( 'STYLESHEETPATH', 'something' ); // Bad.
+\MyNamespace\define( 'STYLESHEETPATH', 'something' ); // Ok.
+MyNamespace\define( 'STYLESHEETPATH', 'something' ); // Ok.
+namespace\define( 'STYLESHEETPATH', 'something' ); // Ok.

WordPress/Tests/WP/DiscouragedConstantsUnitTest.php

@@ -36,25 +36,26 @@ public function getErrorList() {
 	 */
 	public function getWarningList() {
 		return array(
-			50 => 1,
-			51 => 1,
-			52 => 1,
-			53 => 1,
-			54 => 1,
-			55 => 1,
-			56 => 1,
-			57 => 1,
-			58 => 1,
-			59 => 1,
-			60 => 1,
-			61 => 1,
-			63 => 1,
-			66 => 1,
-			67 => 1,
-			71 => 1,
-			72 => 1,
-			83 => 1,
-			88 => 1,
+			50  => 1,
+			51  => 1,
+			52  => 1,
+			53  => 1,
+			54  => 1,
+			55  => 1,
+			56  => 1,
+			57  => 1,
+			58  => 1,
+			59  => 1,
+			60  => 1,
+			61  => 1,
+			63  => 1,
+			66  => 1,
+			67  => 1,
+			71  => 1,
+			72  => 1,
+			83  => 1,
+			88  => 1,
+			109 => 1,
 		);
 	}
 }