isDebug() public method

In debug mode, the verbosity is always {@link IO::DEBUG}.
See also: setDebug()
public isDebug ( ) : boolean
return boolean Returns `true` if the application is in debug mode.
 public function testSetDebug()
 {
     $this->assertFalse($this->config->isDebug());
     $this->config->setDebug(true);
     $this->assertTrue($this->config->isDebug());
     $this->config->setDebug(false);
     $this->assertFalse($this->config->isDebug());
 }