function testCreationOfSnapShots() { $this->assertEmpty(self::$initSnap->timePassed()); $this->assertNotEmpty(self::$initSnap->numClassesDeclared()); $this->assertNotEmpty(self::$initSnap->numFilesIncluded()); usleep(100); $snapShot = new PerformanceSnapshot(self::$initSnap); $this->assertNotEmpty($snapShot->timePassed()); $bits = str_repeat('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 10000); $snapShot = new PerformanceSnapshot(self::$initSnap); $this->assertNotEmpty($snapShot->memoryAllocationDifference()); }