symfony
diff --git a/‎src/Symfony/Component/Config/Definition/Builder/EnumNodeDefinition.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Config/Definition/Builder/EnumNodeDefinition.php
+2-2Lines changed: 2 additions & 2 deletions b/‎src/Symfony/Component/Config/Definition/Builder/EnumNodeDefinition.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Config/Definition/Builder/EnumNodeDefinition.php
+2-2Lines changed: 2 additions & 2 deletions
diff --git a/‎src/Symfony/Component/Config/Tests/Definition/Builder/EnumNodeDefinitionTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Config/Tests/Definition/Builder/EnumNodeDefinitionTest.php
+23-5Lines changed: 23 additions & 5 deletions b/‎src/Symfony/Component/Config/Tests/Definition/Builder/EnumNodeDefinitionTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Config/Tests/Definition/Builder/EnumNodeDefinitionTest.php
+23-5Lines changed: 23 additions & 5 deletions
@@ -31,8 +31,8 @@ public function values(array $values)
     {
         $values = array_unique($values);
 
-        if (count($values) <= 1) {
-            throw new \InvalidArgumentException('->values() must be called with at least two distinct values.');
+        if (empty($values)) {
+            throw new \InvalidArgumentException('->values() must be called with at least one value.');
         }
 
         $this->values = $values;
 
@@ -15,14 +15,22 @@
 
 class EnumNodeDefinitionTest extends \PHPUnit_Framework_TestCase
 {
-    /**
-     * @expectedException \InvalidArgumentException
-     * @expectedExceptionMessage ->values() must be called with at least two distinct values.
-     */
-    public function testNoDistinctValues()
+    public function testWithOneValue()
+    {
+        $def = new EnumNodeDefinition('foo');
+        $def->values(array('foo'));
+
+        $node = $def->getNode();
+        $this->assertEquals(array('foo'), $node->getValues());
+    }
+
+    public function testWithOneDistinctValue()
     {
         $def = new EnumNodeDefinition('foo');
         $def->values(array('foo', 'foo'));
+
+        $node = $def->getNode();
+        $this->assertEquals(array('foo'), $node->getValues());
     }
 
     /**
@@ -35,6 +43,16 @@ public function testNoValuesPassed()
         $def->getNode();
     }
 
+    /**
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage ->values() must be called with at least one value.
+     */
+    public function testWithNoValues()
+    {
+        $def = new EnumNodeDefinition('foo');
+        $def->values(array());
+    }
+
     public function testGetNode()
     {
         $def = new EnumNodeDefinition('foo');
Original file line number	Diff line number	Diff line change
`@@ -31,8 +31,8 @@ public function values(array $values)`
`31`	`31`	`{`
`32`	`32`	`$values = array_unique($values);`
`33`	`33`
`34`		`- if (count($values) <= 1) {`
`35`		`- throw new \InvalidArgumentException('->values() must be called with at least two distinct values.');`
	`34`	`+ if (empty($values)) {`
	`35`	`+ throw new \InvalidArgumentException('->values() must be called with at least one value.');`
`36`	`36`	`}`
`37`	`37`
`38`	`38`	`$this->values = $values;`