public function testDefaultParametersTypes($defaultExpression, $expectedValue)
{
$content = "<?php class Foo { public function myMethod(\$var = {$defaultExpression}) {} }";
$reflector = new ClassReflector(new StringSourceLocator($content));
$classInfo = $reflector->reflect('Foo');
$methodInfo = $classInfo->getMethod('myMethod');
$paramInfo = $methodInfo->getParameter('var');
$actualValue = $paramInfo->getDefaultValue();
$this->assertSame($expectedValue, $actualValue);
}