Swift 2.0 benchmark

StructVsClassTests.swift

import XCTest
//@testable import Playground

class StructVsClassTests: XCTestCase {
    let times = 1000000
    
    // 0.023 sec
    // 0.002 sec on Release build
    func testPerformanceStructConstructor() {
        // This is an example of a performance test case.
        self.measureBlock {
            for _ in 0...self.times {
                _ = MyStruct(x: 10)
            }
        }
    }

    // 0.135 sec
    // 0.116 sec on Release build
    func testPerformanceClassConstructor() {
        // This is an example of a performance test case.
        self.measureBlock {
            //var x: MyStruct
            for _ in 0...self.times {
                _ = MyClass(x: 10)
            }
        }
    }

    // 0.024 sec
    // 0.001 sec on Release build
    func testPerformanceStructMethodCall() {
        // This is an example of a performance test case.
        self.measureBlock {
            let x = MyStruct(x: 10)
            
            for _ in 0...self.times {
                _ = x.doubledX()
            }
        }
    }
    
    // 0.027 sec
    // 0.003 sec on Release build
    func testPerformanceClassMethodCall() {
        // This is an example of a performance test case.
        self.measureBlock {
            let x = MyClass(x: 10)
            for _ in 0...self.times {
                _ = x.doubledX()
            }
        }
    }

    // 0.021 sec
    // 0.000 sec on Release build
    func testPerformanceStructPropertyAccess() {
        // This is an example of a performance test case.
        self.measureBlock {
            let x = MyStruct(x: 10)
            
            for _ in 0...self.times {
                _ = x.x
            }
        }
    }
    
    // 0.023 sec
    // 0.002 sec on Release build
    func testPerformanceClassPropertyAccess() {
        // This is an example of a performance test case.
        self.measureBlock {
            let x = MyClass(x: 10)
            for _ in 0...self.times {
                _ = x.x
            }
        }
    }
}