Add stub test case methods.

Cake/ORM/Entity.php

@@ -318,6 +318,21 @@ public function hiddenProperties() {
 		return $this->_hidden;
 	}
 
+/**
+ * Get the list of visible properties.
+ *
+ * The list of visible properties is all standard properties
+ * plus virtual properties minus hidden properties.
+ *
+ * @return array A list of properties that are 'visible' in all
+ *     representations.
+ */
+	public function visibleProperties() {
+		$properties = array_keys($this->_properties);
+		$properties = array_merge($properties, $this->_virtual);
+		return array_diff($properties, $this->_hidden);
+	}
+
 /**
  * Returns an array with all the properties that have been set
  * to this entity
@@ -329,7 +344,7 @@ public function hiddenProperties() {
  */
 	public function toArray() {
 		$result = [];
-		foreach ($this->_properties as $property => $value) {
+		foreach ($this->visibleProperties() as $property) {
 			$value = $this->get($property);
 			if (is_array($value) && isset($value[0]) && $value[0] instanceof self) {
 				$result[$property] = [];

Cake/Test/TestCase/ORM/EntityTest.php

@@ -649,6 +649,14 @@ public function testToArrayWithAccessor() {
 		$this->assertEquals($expected, $entity->toArray());
 	}
 
+	public function testToArrayHiddenProperties() {
+		$this->markTestIncomplete("not done");
+	}
+
+	public function testToArrayVirtualProperties() {
+		$this->markTestIncomplete("not done");
+	}
+
 /**
  * Tests that missing fields will not be passed as null to the validator
  *
@@ -745,4 +753,13 @@ public function testCleanRemovesErrors() {
 		$entity->clean();
 		$this->assertEmpty($entity->errors());
 	}
+
+	public function testHideProperties() {
+		$this->markTestIncomplete("not done");
+	}
+
+	public function testVisibleProperties() {
+		$this->markTestIncomplete("not done");
+	}
+
 }