Generic/DisallowYodaConditions: handle FQN true/false/null

This commit fixes the sniff to handle "fully qualified true/false" the same as unqualified true/false.

Includes tests.

Author: jrfnl

src/Standards/Generic/Sniffs/ControlStructures/DisallowYodaConditionsSniff.php

@@ -164,6 +164,8 @@ public function isArrayStatic(File $phpcsFile, $arrayToken)
             T_COMMA        => T_COMMA,
             T_TRUE         => T_TRUE,
             T_FALSE        => T_FALSE,
+            T_NULL         => T_NULL,
+            T_NS_SEPARATOR => T_NS_SEPARATOR,
         ];
 
         for ($i = ($start + 1); $i < $end; $i++) {

src/Standards/Generic/Tests/ControlStructures/DisallowYodaConditionsUnitTest.inc

@@ -7,8 +7,8 @@ if ($value == true) {}
 if (true === $value) {}
 if (true == $value) {}
 
-if($value === true){}
-if($value == true){}
+if($value === false){}
+if($value == false){}
 if(false === $value){}
 if(!false == $value || true !== $value){}
 
@@ -139,8 +139,8 @@ if (is_array($val)
     && array('foo', 'bar') === array($foo, $bar)
     && ['foo', 'bar'] === [$foo, $bar]
     && array('foo' => true, 'bar' => false) === array(getContents())
-    && ['foo' => true, 'bar' => false] === array(getContents())
-    && array(getContents()) === ['foo' => true, 'bar' => false]
+    && ['foo' => true, 'bar' => \false, 'baz' => null] === array(getContents())
+    && array(getContents()) === ['foo' => \true, 'bar' => false, 'baz' => \null]
 ) {
 }
 
@@ -185,3 +185,14 @@ echo match ($text) {
 1 >= $value;
 1 <= $value;
 1 <=> $value;
+
+// Handle FQN true/false/null the same as plain true/false/null.
+if ($value === \true) {}
+if (\true === $value) {}
+
+if($value == \FALSE){}
+if(\FALSE === $value){}
+if(!\false == $value || true !== $value){}
+
+if($value === \Null){}
+if(\Null == $value){}

src/Standards/Generic/Tests/ControlStructures/DisallowYodaConditionsUnitTest.php

@@ -72,6 +72,10 @@ public function getErrorList()
             185 => 1,
             186 => 1,
             187 => 1,
+            191 => 1,
+            194 => 1,
+            195 => 2,
+            198 => 1,
         ];
 
     }//end getErrorList()