/**
  * Test method for the <tt>toJSON()</tt> function.
  */
 public function testToJSON()
 {
     $pushStatRequest = new PushStatRequest();
     // Test without the 'application' parameter set
     try {
         $pushStatRequest->toJSON();
         $this->fail('Must have thrown a PushwooshException !');
     } catch (PushwooshException $pe) {
         // Expected
     }
     // Test without the 'hash' parameter set
     $pushStatRequest->setApplication('APPLICATION');
     try {
         $pushStatRequest->toJSON();
         $this->fail('Must have thrown a PushwooshException !');
     } catch (PushwooshException $pe) {
         // Expected
     }
     // Test without the 'hwid' parameter set
     $pushStatRequest->setHash('hash');
     try {
         $pushStatRequest->toJSON();
         $this->fail('Must have thrown a PushwooshException !');
     } catch (PushwooshException $pe) {
         // Expected
     }
     // Test with valid values
     $pushStatRequest->setHwid('HWID');
     $array = $pushStatRequest->toJSON();
     $this->assertEquals('APPLICATION', $array['application']);
     $this->assertEquals('hash', $array['hash']);
     $this->assertEquals('HWID', $array['hwid']);
 }