public function testGetDefinedConstantsCode()
 {
     $testee = new WpTestsStarter('');
     $const = strtoupper(__FUNCTION__);
     $value = __METHOD__;
     $testee->defineConst($const, $value);
     $definedConstantsCode = $testee->getDefinedConstantsCode();
     $expectedConst = $testee->escapePhpString($const);
     $expectedValue = $testee->escapePhpString($value);
     $expectPattern = sprintf("~define\\(\\s*'%s',\\s*'%s'\\s*\\);~", preg_quote($expectedConst), preg_quote($expectedValue));
     $this->assertRegExp($expectPattern, $definedConstantsCode);
 }