Generic/UnusedFunctionParameter: improve code coverage

Author: rodrigoprimo

src/Standards/Generic/Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.1.inc

@@ -249,3 +249,26 @@ class MagicMethodsWithParamsNotDictatedByPHPInChildClass extends SomeParent{
         $this->foo = $foo;
     }
 }
+
+/**
+ * Methods that throw an exception or return on the first line and are part
+ * of a class that implements an interface should not trigger the sniff.
+ */
+class InterfaceMethodNotImplement implements SomeInterface {
+    public function notImplemented($param) {
+        throw new Exception('Not implemented.');
+    }
+
+    public function notImplemented2($param) {
+        return 'Not implemented.';
+    }
+}
+
+/**
+ * Should trigger the sniff as this method is not part of an interface.
+ */
+class MethodThrowsException {
+    public function throwsException($param) {
+        throw new Exception();
+    }
+}

src/Standards/Generic/Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.2.inc

@@ -0,0 +1,5 @@
+<?php
+
+// Intentional parse error (missing opening parenthesis). Testing that the sniff is *not* triggered
+// in this case.
+function syntaxError

src/Standards/Generic/Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.3.inc

@@ -0,0 +1,5 @@
+<?php
+
+// Intentional parse error (missing opening bracket). Testing that the sniff is *not* triggered
+// in this case.
+function syntaxError()

src/Standards/Generic/Tests/CodeAnalysis/UnusedFunctionParameterUnitTest.php

@@ -65,6 +65,7 @@ public function getWarningList($testFile='')
                 232 => 2,
                 244 => 2,
                 248 => 2,
+                271 => 1,
             ];
 
         default: