Merge branch '4.10' into 4

src/Forms/FormField.php

@@ -1355,13 +1355,14 @@ class FormField extends RequestHandler
             $field = $classOrCopy::create($this->name);
         }
 
+        $extraClasses = $this->extraClasses ? array_values($this->extraClasses) : [];
         $field
             ->setValue($this->value)
             ->setForm($this->form)
             ->setTitle($this->Title())
             ->setLeftTitle($this->LeftTitle())
             ->setRightTitle($this->RightTitle())
-            ->addExtraClass($this->extraClass) // Don't use extraClass(), since this merges calculated values
+            ->addExtraClass(implode(' ', $extraClasses)) // Don't use extraClass(), since this merges calculated values
             ->setDescription($this->getDescription());
 
         // Only include built-in attributes, ignore anything set through getAttributes().

src/Security/Member.php

@@ -937,6 +937,11 @@ class Member extends DataObject
             $this->Locale = i18n::config()->get('default_locale');
         }
 
+        // Ensure FailedLoginCount is non-negative
+        if ($this->FailedLoginCount < 0) {
+            $this->FailedLoginCount = 0;
+        }
+
         parent::onBeforeWrite();
     }
 

tests/php/Forms/FormFieldTest.php

@@ -259,6 +259,14 @@ class FormFieldTest extends SapphireTest
         $this->assertStringNotContainsString('readonly="readonly"', $field->getAttributesHTML());
     }
 
+    public function testReadonlyPreservesExtraClass()
+    {
+        $field = new FormField('MyField');
+        $field->addExtraClass('myextraclass1')->addExtraClass('myextraclass2');
+        $field->setReadonly(true);
+        $this->assertStringContainsString('myextraclass1 myextraclass2', $field->getAttributesHTML());
+    }
+
     public function testDisabled()
     {
         $field = new FormField('MyField');

tests/php/Security/MemberTest.php

@@ -1270,6 +1270,15 @@ class MemberTest extends FunctionalTest
         }
     }
 
+    public function testFailedLoginCountNegative()
+    {
+        /** @var Member $member */
+        $member = $this->objFromFixture(Member::class, 'test');
+        $member->FailedLoginCount = -1;
+        $member->write();
+        $this->assertSame(0, $member->FailedLoginCount);
+    }
+
     public function testMemberValidator()
     {
         // clear custom requirements for this test