Merge branch '2.7' into 2.8

* 2.7:
  always check for all fields to be mapped
  clarify exception when no args are configured
  [PropertyAccess] Handle interfaces in the invalid argument exception
  [Debug] Workaround "null" $context
  [Debug] Remove $context arg from handleError(), preparing for PHP 7.2
  [Routing] Fix BC break in AnnotationClassLoader defaults attributes handling
  Fix tests with ICU 57.1
  Fix the condition checking the minimum ICU version

Author: fabpot

Definition.php

@@ -308,6 +308,10 @@ public function addArgument($argument)
      */
     public function replaceArgument($index, $argument)
     {
+        if (0 === count($this->arguments)) {
+            throw new OutOfBoundsException('Cannot replace arguments if none have been configured yet.');
+        }
+
         if ($index < 0 || $index > count($this->arguments) - 1) {
             throw new OutOfBoundsException(sprintf('The index "%d" is not in the range [0, %d].', $index, count($this->arguments) - 1));
         }

Tests/DefinitionTest.php

@@ -292,6 +292,7 @@ public function testGetArgumentShouldCheckBounds()
 
     /**
      * @expectedException \OutOfBoundsException
+     * @expectedExceptionMessage The index "1" is not in the range [0, 0].
      */
     public function testReplaceArgumentShouldCheckBounds()
     {
@@ -301,6 +302,16 @@ public function testReplaceArgumentShouldCheckBounds()
         $def->replaceArgument(1, 'bar');
     }
 
+    /**
+     * @expectedException \OutOfBoundsException
+     * @expectedExceptionMessage Cannot replace arguments if none have been configured yet.
+     */
+    public function testReplaceArgumentWithoutExistingArgumentsShouldCheckBounds()
+    {
+        $def = new Definition('stdClass');
+        $def->replaceArgument(0, 'bar');
+    }
+
     public function testSetGetProperties()
     {
         $def = new Definition('stdClass');