async-contains-unicode-escape.js

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var BUGNUMBER = 1315815;

var summary = "async/await containing escapes";

print(BUGNUMBER + ": " + summary);

// Using "eval" as the argument name is fugly, but it means evals below are

// *direct* evals, and so their effects in the unescaped case won't extend

// past each separate |test| call (as would happen if we used a different name

// that made each eval into an indirect eval, affecting code in the global

// scope).

function test(code, eval)

  var unescaped = code.replace("###", "async");

  var escaped = code.replace("###", "\\u0061");

  assertThrowsInstanceOf(() => eval(escaped), SyntaxError);

  eval(unescaped);

test("### function f() {}", eval);

test("var x = ### function f() {}", eval);

test("### x => {};", eval);

test("var x = ### x => {}", eval);

test("### () => {};", eval);

test("var x = ### () => {}", eval);

test("### (y) => {};", eval);

test("var x = ### (y) => {}", eval);

test("({ ### x() {} })", eval);

test("var x = ### function f() {}", eval);

if (typeof parseModule === "function")

  test("export default ### function f() {}", parseModule);

assertThrowsInstanceOf(() => eval("async await => 1;"),

                       SyntaxError);

assertThrowsInstanceOf(() => eval("async aw\\u0061it => 1;"),

                       SyntaxError);

var async = 0;

assertEq(\u0061sync, 0);

var obj = { \u0061sync() { return 1; } };

assertEq(obj.async(), 1);

async = function() { return 42; };

var z = async(obj);

assertEq(z, 42);

var w = async(obj)=>{};

assertEq(typeof w, "function");

if (typeof reportCompare === "function")

    reportCompare(true, true);