allow \ as root namespace

jaapio · jaapio · commit 40471d73a46f · 2015-06-04T10:27:39.000+02:00
diff --git a/src/Fqsen.php b/src/Fqsen.php
@@ -38,7 +38,7 @@ final class Fqsen
     public function __construct($fqsen)
     {
         $matches = array();
-        $result = preg_match('/^\\\\([\\w_\\\\]+)(?:[:]{2}\\$?([\\w_]+))?(?:\\(\\))?$/', $fqsen, $matches);
+        $result = preg_match('/^\\\\([\\w_\\\\]*)(?:[:]{2}\\$?([\\w_]+))?(?:\\(\\))?$/', $fqsen, $matches);
 
         if ($result === 0) {
             throw new \InvalidArgumentException(
diff --git a/tests/unit/FqsenTest.php b/tests/unit/FqsenTest.php
@@ -36,6 +36,7 @@ public function testValidFormats($fqsen, $name)
     public function validFqsenProvider()
     {
         return [
+            ['\\', ''],
             ['\My\Space', 'Space'],
             ['\My\Space\myFunction()', 'myFunction'],
             ['\My\Space\MY_CONSTANT', 'MY_CONSTANT'],

Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,7 @@ final class Fqsen`
`38`	`38`	`public function __construct($fqsen)`
`39`	`39`	`{`
`40`	`40`	`$matches = array();`
`41`		`- $result = preg_match('/^\\\\([\\w_\\\\]+)(?:[:]{2}\\$?([\\w_]+))?(?:\\(\\))?$/', $fqsen, $matches);`
	`41`	`+ $result = preg_match('/^\\\\([\\w_\\\\]*)(?:[:]{2}\\$?([\\w_]+))?(?:\\(\\))?$/', $fqsen, $matches);`
`42`	`42`
`43`	`43`	`if ($result === 0) {`
`44`	`44`	`throw new \InvalidArgumentException(`
Original file line number	Diff line number	Diff line change
`@@ -36,6 +36,7 @@ public function testValidFormats($fqsen, $name)`
`36`	`36`	`public function validFqsenProvider()`
`37`	`37`	`{`
`38`	`38`	`return [`
	`39`	`+ ['\\', ''],`
`39`	`40`	`['\My\Space', 'Space'],`
`40`	`41`	`['\My\Space\myFunction()', 'myFunction'],`
`41`	`42`	`['\My\Space\MY_CONSTANT', 'MY_CONSTANT'],`