Added unit test for #1640

Author: adamwojs

src/test/java/fr/adrienbrault/idea/symfony2plugin/tests/dic/container/util/ServiceContainerUtilTest.java

@@ -357,6 +357,10 @@ public void testVisitNamedArguments() {
         assertFalse(arguments.contains("private"));
     }
 
+    public void testGetTargetsForConstantForEmptyClassConstName() {
+        assertEmpty(ServiceContainerUtil.getTargetsForConstant(getProject(), "\\App\\Service\\FooService::"));
+    }
+
     private static class MyStringServiceInterfaceCondition implements Condition<ServiceInterface> {
 
         @NotNull

src/test/java/fr/adrienbrault/idea/symfony2plugin/tests/dic/container/util/fixtures/classes.php

@@ -26,4 +26,12 @@ private function fooPrivate($private)
         {
         }
     }
+}
+
+namespace App\Service
+{
+    class FooService
+    {
+        public const FOO = "foo";
+    }
 }