ChakraCore/test/es6GeneratorJit/jit-async-loop-body.js

//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Copyright (c) ChakraCore Project Contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------

let bar = [];
let j = 0;

function printif (text, x, mod) {
    if (x % mod == 0) {
        print (text + x);
    }
}

async function basicAsync(a, b) {
    print("Beginning basicAsync")
    await b;
    var foo = [0.1, 0.2, 0.3, 0.4, 0];
    while (a < 200) { // Loop 0 - should be jitted
        foo[a] = Math.random();
        printif(arguments.callee.name + " Loop 0 a = ", a, 80);
        printif(arguments.callee.name + " Loop 0 arguments[0] = ", arguments[0], 80);
        for (let k in foo) { bar[k] = a - k;} // Loop 1 - shuld be jitted
        ++a;
    }
    while (true){ // Loop 2 - should not be jitted
        for (j = 0; j < 100; ++j) { // Loop 3 - should not be jitted
            await j;
            foo[j] = j;
        }
        print("Loop 3 completed");
        for (let k of bar) { // Loop 4 - should be jitted
            printif("Loop 4 k = ", k, 80);
            foo[0] = foo[1] + 1;
        }
        print("Loop 4 completed");
        return j;
    }
}

basicAsync(4, 3).then(x => basicAsync(3, 2));