test Exceptions

src/Settings.php

@@ -314,7 +314,7 @@ class Settings implements \Iterator
 	{
 		if ( !isset( $this->settings[$name] ) )
 		{
-			throw new \Exception("Setting '$name' not found");
+			throw new \OutOfRangeException("Setting '$name' not found");
 // todo: 	throw new SettingNotFoundException();
 		}
 

tests/SettingsTest.php

@@ -82,9 +82,20 @@ class SettingsTest extends TestCase
 		$this->assertIsObject($nested);
 		$this->assertIsIterable($nested);
 		$this->assertEquals(1, $nested->level);
+		$this->assertEquals(2, $nested->nested->level);
 		$this->assertEquals('default', $nested->testFiles);
 	}
 	
+	/**
+	 * @depends testLoad
+	 */
+	public function testSettingNotFound(Settings $cfg)
+	{
+		$this->assertEquals('default', $cfg->testFiles);
+		$this->expectException(\OutOfRangeException::class);
+		$cfg->keyDoesNotExist;
+	}
+	
 	/**
 	 */
 	public function testSiteOverride()

tests/cfg/config/default.conf.php

@@ -6,5 +6,9 @@
 	[
 		'level' => 1,
 		'testFiles' => 'default',
+		'nested' =>
+		[
+			'level' => 2
+		]
 	]
 ];