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Commit 7ea3b099 authored by littledan's avatar littledan Committed by Commit bot
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Destructuring/default tests for generators and async functions 

This patch adds additional tests for async functions and generators, in how
they interact with destructuring, default arguments and shadow parameter
copying.

BUG=v8:5167

Review-Url: https://codereview.chromium.org/2229243002
Cr-Commit-Position: refs/heads/master@{#38560}
parent e61bd68e
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Showing with 854 additions and 21 deletions
test/mjsunit/es6/default-parameters.js
View file @ 7ea3b099
......@@ -350,14 +350,15 @@
(function TestDirectiveThrows() {
"use strict";
assertThrows(function(){ eval("function(x=1){'use strict';}") }, SyntaxError);
assertThrows(function(){ eval("(x=1) => {'use strict';}") }, SyntaxError);
assertThrows(
function(){ eval("(class{foo(x=1) {'use strict';}});") }, SyntaxError);
assertThrows(
function(){ eval("function(a, x=1){'use strict';}") }, SyntaxError);
assertThrows(function(){ eval("(a, x=1) => {'use strict';}") }, SyntaxError);
assertThrows(
function(){ eval("(class{foo(a, x=1) {'use strict';}});") }, SyntaxError);
assertThrows("(function(x=1){'use strict';})", SyntaxError);
assertThrows("(x=1) => {'use strict';}", SyntaxError);
assertThrows("(class{foo(x=1) {'use strict';}});", SyntaxError);
assertThrows("(function(a, x=1){'use strict';})", SyntaxError);
assertThrows("(a, x=1) => {'use strict';}", SyntaxError);
assertThrows("(class{foo(a, x=1) {'use strict';}});", SyntaxError);
assertThrows("(function({x}){'use strict';})", SyntaxError);
assertThrows("({x}) => {'use strict';}", SyntaxError);
assertThrows("(class{foo({x}) {'use strict';}});", SyntaxError);
})();
test/mjsunit/es6/destructuring.js
View file @ 7ea3b099
......@@ -1045,9 +1045,9 @@
function f20({x}) { function x() { return 2 }; return x(); }
assertEquals(2, f20({x: 1}));
// Function hoisting is blocked by the conflicting x declaration
function f21({x}) { { function x() { return 2 } } return x(); }
assertThrows(() => f21({x: 1}), TypeError);
// Annex B 3.3 function hoisting is blocked by the conflicting x declaration
function f21({x}) { { function x() { return 2 } } return x; }
assertEquals(1, f21({x: 1}));
var g1 = ({x}) => { var x = 2; return x };
assertEquals(2, g1({x: 1}));
......@@ -1082,15 +1082,15 @@
var g21 = ({x}) => { { function x() { return 2 } } return x(); }
assertThrows(() => g21({x: 1}), TypeError);
assertThrows("'use strict'; function f(x) { let x = 0; }; f({});", SyntaxError);
assertThrows("'use strict'; function f({x}) { let x = 0; }; f({});", SyntaxError);
assertThrows("'use strict'; function f(x) { const x = 0; }; f({});", SyntaxError);
assertThrows("'use strict'; function f({x}) { const x = 0; }; f({});", SyntaxError);
assertThrows("'use strict'; function f(x) { let x = 0; }", SyntaxError);
assertThrows("'use strict'; function f({x}) { let x = 0; }", SyntaxError);
assertThrows("'use strict'; function f(x) { const x = 0; }", SyntaxError);
assertThrows("'use strict'; function f({x}) { const x = 0; }", SyntaxError);
assertThrows("'use strict'; let g = (x) => { let x = 0; }; f({});", SyntaxError);
assertThrows("'use strict'; let g = ({x}) => { let x = 0; }; f({});", SyntaxError);
assertThrows("'use strict'; let g = (x) => { const x = 0; }; f({});", SyntaxError);
assertThrows("'use strict'; let g = ({x}) => { const x = 0; }; f({});", SyntaxError);
assertThrows("'use strict'; let g = (x) => { let x = 0; }", SyntaxError);
assertThrows("'use strict'; let g = ({x}) => { let x = 0; }", SyntaxError);
assertThrows("'use strict'; let g = (x) => { const x = 0; }", SyntaxError);
assertThrows("'use strict'; let g = ({x}) => { const x = 0; }", SyntaxError);
}());
......
test/mjsunit/es6/generator-destructuring.js 0 → 100644
View file @ 7ea3b099
// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
(function TestDefaultBeforeInitializingYield() {
var y = 0;
var z = 0;
function* f1(x = (y = 1)) { z = 1 };
assertEquals(0, y);
assertEquals(0, z);
var gen = f1();
assertEquals(1, y);
assertEquals(0, z);
gen.next();
assertEquals(1, y);
assertEquals(1, z);
})();
(function TestShadowingOfParameters() {
function* f1({x}) { var x = 2; return x }
assertEquals(2, f1({x: 1}).next().value);
function* f2({x}) { { var x = 2; } return x; }
assertEquals(2, f2({x: 1}).next().value);
function* f3({x}) { var y = x; var x = 2; return y; }
assertEquals(1, f3({x: 1}).next().value);
function* f4({x}) { { var y = x; var x = 2; } return y; }
assertEquals(1, f4({x: 1}).next().value);
function* f5({x}, g = () => x) { var x = 2; return g(); }
assertEquals(1, f5({x: 1}).next().value);
function* f6({x}, g = () => x) { { var x = 2; } return g(); }
assertEquals(1, f6({x: 1}).next().value);
function* f7({x}) { var g = () => x; var x = 2; return g(); }
assertEquals(2, f7({x: 1}).next().value);
function* f8({x}) { { var g = () => x; var x = 2; } return g(); }
assertEquals(2, f8({x: 1}).next().value);
function* f9({x}, g = () => eval("x")) { var x = 2; return g(); }
assertEquals(1, f9({x: 1}).next().value);
function* f10({x}, y) { var y; return y }
assertEquals(2, f10({x: 6}, 2).next().value);
function* f11({x}, y) { var z = y; var y = 2; return z; }
assertEquals(1, f11({x: 6}, 1).next().value);
function* f12(y, g = () => y) { var y = 2; return g(); }
assertEquals(1, f12(1).next().value);
function* f13({x}, y, [z], v) { var x, y, z; return x*y*z*v }
assertEquals(210, f13({x: 2}, 3, [5], 7).next().value);
function* f20({x}) { function x() { return 2 }; return x(); }
assertEquals(2, f20({x: 1}).next().value);
// Annex B 3.3 function hoisting is blocked by the conflicting x declaration
function* f21({x}) { { function x() { return 2 } } return x; }
assertEquals(1, f21({x: 1}).next().value);
assertThrows("'use strict'; function* f(x) { let x = 0; }", SyntaxError);
assertThrows("'use strict'; function* f({x}) { let x = 0; }", SyntaxError);
assertThrows("'use strict'; function* f(x) { const x = 0; }", SyntaxError);
assertThrows("'use strict'; function* f({x}) { const x = 0; }", SyntaxError);
}());
(function TestDefaults() {
function* f1(x = 1) { return x }
assertEquals(1, f1().next().value);
assertEquals(1, f1(undefined).next().value);
assertEquals(2, f1(2).next().value);
assertEquals(null, f1(null).next().value);
function* f2(x, y = x) { return x + y; }
assertEquals(8, f2(4).next().value);
assertEquals(8, f2(4, undefined).next().value);
assertEquals(6, f2(4, 2).next().value);
function* f3(x = 1, y) { return x + y; }
assertEquals(8, f3(5, 3).next().value);
assertEquals(3, f3(undefined, 2).next().value);
assertEquals(6, f3(4, 2).next().value);
function* f4(x = () => 1) { return x() }
assertEquals(1, f4().next().value);
assertEquals(1, f4(undefined).next().value);
assertEquals(2, f4(() => 2).next().value);
assertThrows(() => f4(null).next(), TypeError);
function* f5(x, y = () => x) { return x + y(); }
assertEquals(8, f5(4).next().value);
assertEquals(8, f5(4, undefined).next().value);
assertEquals(6, f5(4, () => 2).next().value);
function* f6(x = {a: 1, m() { return 2 }}) { return x.a + x.m(); }
assertEquals(3, f6().next().value);
assertEquals(3, f6(undefined).next().value);
assertEquals(5, f6({a: 2, m() { return 3 }}).next().value);
}());
(function TestEvalInParameters() {
function* f1(x = eval(0)) { return x }
assertEquals(0, f1().next().value);
function* f2(x = () => eval(1)) { return x() }
assertEquals(1, f2().next().value);
})();
(function TestParameterScopingSloppy() {
var x = 1;
function* f1(a = x) { var x = 2; return a; }
assertEquals(1, f1().next().value);
function* f2(a = x) { function x() {}; return a; }
assertEquals(1, f2().next().value);
function* f3(a = eval("x")) { var x; return a; }
assertEquals(1, f3().next().value);
function* f31(a = eval("'use strict'; x")) { var x; return a; }
assertEquals(1, f31().next().value);
function* f4(a = function() { return x }) { var x; return a(); }
assertEquals(1, f4().next().value);
function* f5(a = () => x) { var x; return a(); }
assertEquals(1, f5().next().value);
function* f6(a = () => eval("x")) { var x; return a(); }
assertEquals(1, f6().next().value);
function* f61(a = () => { 'use strict'; return eval("x") }) { var x; return a(); }
assertEquals(1, f61().next().value);
function* f62(a = () => eval("'use strict'; x")) { var x; return a(); }
assertEquals(1, f62().next().value);
var f11 = function* f(x = f) { var f; return x; }
assertSame(f11, f11().next().value);
var f12 = function* f(x = f) { function f() {}; return x; }
assertSame(f12, f12().next().value);
var f13 = function* f(f = 7, x = f) { return x; }
assertSame(7, f13().next().value);
var o1 = {f: function*(x = this) { return x; }};
assertSame(o1, o1.f().next().value);
assertSame(1, o1.f(1).next().value);
})();
(function TestParameterScopingStrict() {
"use strict";
var x = 1;
function* f1(a = x) { let x = 2; return a; }
assertEquals(1, f1().next().value);
function* f2(a = x) { const x = 2; return a; }
assertEquals(1, f2().next().value);
function* f3(a = x) { function x() {}; return a; }
assertEquals(1, f3().next().value);
function* f4(a = eval("x")) { var x; return a; }
assertEquals(1, f4().next().value);
function* f5(a = () => eval("x")) { var x; return a(); }
assertEquals(1, f5().next().value);
var f11 = function* f(x = f) { let f; return x; }
assertSame(f11, f11().next().value);
var f12 = function* f(x = f) { const f = 0; return x; }
assertSame(f12, f12().next().value);
var f13 = function* f(x = f) { function f() {}; return x; }
assertSame(f13, f13().next().value);
})();
(function TestSloppyEvalScoping() {
var x = 1;
function* f1(y = eval("var x = 2")) { with ({}) { return x; } }
assertEquals(1, f1().next().value);
function* f2(y = eval("var x = 2"), z = x) { return z; }
assertEquals(1, f2().next().value);
assertEquals(1, f2(0).next().value);
function* f3(y = eval("var x = 2"), z = eval("x")) { return z; }
assertEquals(1, f3().next().value);
assertEquals(1, f3(0).next().value);
function* f8(y = (eval("var x = 2"), x)) { return y; }
assertEquals(2, f8().next().value);
assertEquals(0, f8(0).next().value);
function* f11(z = eval("var y = 2")) { return y; }
assertThrows(() => f11().next(), ReferenceError);
function* f12(z = eval("var y = 2"), b = y) {}
assertThrows(() => f12().next(), ReferenceError);
function* f13(z = eval("var y = 2"), b = eval("y")) {}
assertThrows(() => f13().next(), ReferenceError);
function* f21(f = () => x) { eval("var x = 2"); return f() }
assertEquals(1, f21().next().value);
assertEquals(3, f21(() => 3).next().value);
function* f22(f = () => eval("x")) { eval("var x = 2"); return f() }
assertEquals(1, f22().next().value);
assertEquals(3, f22(() => 3).next().value);
})();
(function TestStrictEvalScoping() {
'use strict';
var x = 1;
function* f1(y = eval("var x = 2")) { return x; }
assertEquals(1, f1().next().value);
function* f2(y = eval("var x = 2"), z = x) { return z; }
assertEquals(1, f2().next().value);
assertEquals(1, f2(0).next().value);
function* f3(y = eval("var x = 2"), z = eval("x")) { return z; }
assertEquals(1, f3().next().value);
assertEquals(1, f3(0).next().value);
function* f8(y = (eval("var x = 2"), x)) { return y; }
assertEquals(1, f8().next().value);
assertEquals(0, f8(0).next().value);
function* f11(z = eval("var y = 2")) { return y; }
assertThrows(() => f11().next().value, ReferenceError);
function* f12(z = eval("var y = 2"), b = y) {}
assertThrows(() => f12().next().value, ReferenceError);
function* f13(z = eval("var y = 2"), b = eval("y")) {}
assertThrows(() => f13().next().value, ReferenceError);
function* f21(f = () => x) { eval("var x = 2"); return f() }
assertEquals(1, f21().next().value);
assertEquals(3, f21(() => 3).next().value);
function* f22(f = () => eval("x")) { eval("var x = 2"); return f() }
assertEquals(1, f22().next().value);
assertEquals(3, f22(() => 3).next().value);
})();
(function TestParameterTDZSloppy() {
function* f1(a = x, x) { return a }
assertThrows(() => f1(undefined, 4), ReferenceError);
assertEquals(4, f1(4, 5).next().value);
function* f2(a = eval("x"), x) { return a }
assertThrows(() => f2(undefined, 4), ReferenceError);
assertEquals(4, f2(4, 5).next().value);
function* f3(a = eval("'use strict'; x"), x) { return a }
assertThrows(() => f3(undefined, 4), ReferenceError);
assertEquals(4, f3(4, 5).next().value);
function* f4(a = () => x, x) { return a() }
assertEquals(4, f4(() => 4, 5).next().value);
function* f5(a = () => eval("x"), x) { return a() }
assertEquals(4, f5(() => 4, 5).next().value);
function* f6(a = () => eval("'use strict'; x"), x) { return a() }
assertEquals(4, f6(() => 4, 5).next().value);
function* f11(a = x, x = 2) { return a }
assertThrows(() => f11(), ReferenceError);
assertThrows(() => f11(undefined), ReferenceError);
assertThrows(() => f11(undefined, 4), ReferenceError);
assertEquals(4, f1(4, 5).next().value);
function* f12(a = eval("x"), x = 2) { return a }
assertThrows(() => f12(), ReferenceError);
assertThrows(() => f12(undefined), ReferenceError);
assertThrows(() => f12(undefined, 4), ReferenceError);
assertEquals(4, f12(4, 5).next().value);
function* f13(a = eval("'use strict'; x"), x = 2) { return a }
assertThrows(() => f13(), ReferenceError);
assertThrows(() => f13(undefined), ReferenceError);
assertThrows(() => f13(undefined, 4), ReferenceError);
assertEquals(4, f13(4, 5).next().value);
function* f21(x = function() { return a }, ...a) { return x()[0] }
assertEquals(4, f21(undefined, 4).next().value);
function* f22(x = () => a, ...a) { return x()[0] }
assertEquals(4, f22(undefined, 4).next().value);
function* f23(x = () => eval("a"), ...a) { return x()[0] }
assertEquals(4, f23(undefined, 4).next().value);
function* f24(x = () => {'use strict'; return eval("a") }, ...a) {
return x()[0]
}
assertEquals(4, f24(undefined, 4).next().value);
function* f25(x = () => eval("'use strict'; a"), ...a) { return x()[0] }
assertEquals(4, f25(undefined, 4).next().value);
})();
(function TestParameterTDZStrict() {
"use strict";
function* f1(a = eval("x"), x) { return a }
assertThrows(() => f1(undefined, 4), ReferenceError);
assertEquals(4, f1(4, 5).next().value);
function* f2(a = () => eval("x"), x) { return a() }
assertEquals(4, f2(() => 4, 5).next().value);
function* f11(a = eval("x"), x = 2) { return a }
assertThrows(() => f11(), ReferenceError);
assertThrows(() => f11(undefined), ReferenceError);
assertThrows(() => f11(undefined, 4), ReferenceError);
assertEquals(4, f11(4, 5).next().value);
function* f21(x = () => eval("a"), ...a) { return x()[0] }
assertEquals(4, f21(undefined, 4).next().value);
})();
(function TestArgumentsForNonSimpleParameters() {
function* f1(x = 900) { arguments[0] = 1; return x }
assertEquals(9, f1(9).next().value);
assertEquals(900, f1().next().value);
function* f2(x = 1001) { x = 2; return arguments[0] }
assertEquals(10, f2(10).next().value);
assertEquals(undefined, f2().next().value);
}());
(function TestFunctionLength() {
assertEquals(0, (function*(x = 1) {}).length);
assertEquals(0, (function*(x = 1, ...a) {}).length);
assertEquals(1, (function*(x, y = 1) {}).length);
assertEquals(1, (function*(x, y = 1, ...a) {}).length);
assertEquals(2, (function*(x, y, z = 1) {}).length);
assertEquals(2, (function*(x, y, z = 1, ...a) {}).length);
assertEquals(1, (function*(x, y = 1, z) {}).length);
assertEquals(1, (function*(x, y = 1, z, ...a) {}).length);
assertEquals(1, (function*(x, y = 1, z, v = 2) {}).length);
assertEquals(1, (function*(x, y = 1, z, v = 2, ...a) {}).length);
})();
(function TestDirectiveThrows() {
"use strict";
assertThrows("(function*(x=1){'use strict';})", SyntaxError);
assertThrows("(function*(a, x=1){'use strict';})", SyntaxError);
assertThrows("(function*({x}){'use strict';})", SyntaxError);
})();
test/mjsunit/harmony/async-destructuring.js 0 → 100644
View file @ 7ea3b099
// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-async-await --allow-natives-syntax
function assertThrowsAsync(run, errorType, message) {
var actual;
var hadValue = false;
var hadError = false;
var promise = run();
if (typeof promise !== "object" || typeof promise.then !== "function") {
throw new MjsUnitAssertionError(
"Expected " + run.toString() +
" to return a Promise, but it returned " + PrettyPrint(promise));
}
promise.then(function(value) { hadValue = true; actual = value; },
function(error) { hadError = true; actual = error; });
assertFalse(hadValue || hadError);
%RunMicrotasks();
if (!hadError) {
throw new MjsUnitAssertionError(
"Expected " + run + "() to throw " + errorType.name +
", but did not throw.");
}
if (!(actual instanceof errorType))
throw new MjsUnitAssertionError(
"Expected " + run + "() to throw " + errorType.name +
", but threw '" + actual + "'");
if (message !== void 0 && actual.message !== message)
throw new MjsUnitAssertionError(
"Expected " + run + "() to throw '" + message + "', but threw '" +
actual.message + "'");
};
function assertEqualsAsync(expected, run, msg) {
var actual;
var hadValue = false;
var hadError = false;
var promise = run();
if (typeof promise !== "object" || typeof promise.then !== "function") {
throw new MjsUnitAssertionError(
"Expected " + run.toString() +
" to return a Promise, but it returned " + PrettyPrint(promise));
}
promise.then(function(value) { hadValue = true; actual = value; },
function(error) { hadError = true; actual = error; });
assertFalse(hadValue || hadError);
%RunMicrotasks();
if (hadError) throw actual;
assertTrue(
hadValue, "Expected '" + run.toString() + "' to produce a value");
assertEquals(expected, actual, msg);
};
(function TestDefaultEvaluationOrder() {
var y = 0;
var z = 0;
var w = 0;
async function f1(x = (y = 1)) { z = 1; await undefined; w = 1; };
assertEquals(0, y);
assertEquals(0, z);
assertEquals(0, w);
f1();
assertEquals(1, y);
assertEquals(1, z);
assertEquals(0, w);
%RunMicrotasks();
assertEquals(1, y);
assertEquals(1, z);
assertEquals(1, w);
})();
(function TestShadowingOfParameters() {
async function f1({x}) { var x = 2; return x }
assertEqualsAsync(2, () => f1({x: 1}));
async function f2({x}) { { var x = 2; } return x; }
assertEqualsAsync(2, () => f2({x: 1}));
async function f3({x}) { var y = x; var x = 2; return y; }
assertEqualsAsync(1, () => f3({x: 1}));
async function f4({x}) { { var y = x; var x = 2; } return y; }
assertEqualsAsync(1, () => f4({x: 1}));
async function f5({x}, g = () => x) { var x = 2; return g(); }
assertEqualsAsync(1, () => f5({x: 1}));
async function f6({x}, g = () => x) { { var x = 2; } return g(); }
assertEqualsAsync(1, () => f6({x: 1}));
async function f7({x}) { var g = () => x; var x = 2; return g(); }
assertEqualsAsync(2, () => f7({x: 1}));
async function f8({x}) { { var g = () => x; var x = 2; } return g(); }
assertEqualsAsync(2, () => f8({x: 1}));
async function f9({x}, g = () => eval("x")) { var x = 2; return g(); }
assertEqualsAsync(1, () => f9({x: 1}));
async function f10({x}, y) { var y; return y }
assertEqualsAsync(2, () => f10({x: 6}, 2));
async function f11({x}, y) { var z = y; var y = 2; return z; }
assertEqualsAsync(1, () => f11({x: 6}, 1));
async function f12(y, g = () => y) { var y = 2; return g(); }
assertEqualsAsync(1, () => f12(1));
async function f13({x}, y, [z], v) { var x, y, z; return x*y*z*v }
assertEqualsAsync(210, () => f13({x: 2}, 3, [5], 7));
async function f20({x}) { function x() { return 2 }; return x(); }
assertEqualsAsync(2, () => f20({x: 1}));
// Annex B 3.3 function hoisting is blocked by the conflicting x declaration
async function f21({x}) { { function x() { return 2 } } return x; }
assertEqualsAsync(1, () => f21({x: 1}));
var g1 = async ({x}) => { var x = 2; return x };
assertEqualsAsync(2, () => g1({x: 1}));
var g2 = async ({x}) => { { var x = 2; } return x; };
assertEqualsAsync(2, () => g2({x: 1}));
var g3 = async ({x}) => { var y = x; var x = 2; return y; };
assertEqualsAsync(1, () => g3({x: 1}));
var g4 = async ({x}) => { { var y = x; var x = 2; } return y; };
assertEqualsAsync(1, () => g4({x: 1}));
var g5 = async ({x}, g = () => x) => { var x = 2; return g(); };
assertEqualsAsync(1, () => g5({x: 1}));
var g6 = async ({x}, g = () => x) => { { var x = 2; } return g(); };
assertEqualsAsync(1, () => g6({x: 1}));
var g7 = async ({x}) => { var g = () => x; var x = 2; return g(); };
assertEqualsAsync(2, () => g7({x: 1}));
var g8 = async ({x}) => { { var g = () => x; var x = 2; } return g(); };
assertEqualsAsync(2, () => g8({x: 1}));
var g9 = async ({x}, g = () => eval("x")) => { var x = 2; return g(); };
assertEqualsAsync(1, () => g9({x: 1}));
var g10 = async ({x}, y) => { var y; return y };
assertEqualsAsync(2, () => g10({x: 6}, 2));
var g11 = async ({x}, y) => { var z = y; var y = 2; return z; };
assertEqualsAsync(1, () => g11({x: 6}, 1));
var g12 = async (y, g = () => y) => { var y = 2; return g(); };
assertEqualsAsync(1, () => g12(1));
var g13 = async ({x}, y, [z], v) => { var x, y, z; return x*y*z*v };
assertEqualsAsync(210, () => g13({x: 2}, 3, [5], 7));
var g20 = async ({x}) => { function x() { return 2 }; return x(); }
assertEqualsAsync(2, () => g20({x: 1}));
var g21 = async ({x}) => { { function x() { return 2 } } return x(); }
assertThrowsAsync(() => g21({x: 1}), TypeError);
assertThrows("'use strict'; async function f(x) { let x = 0; }", SyntaxError);
assertThrows("'use strict'; async function f({x}) { let x = 0; }", SyntaxError);
assertThrows("'use strict'; async function f(x) { const x = 0; }", SyntaxError);
assertThrows("'use strict'; async function f({x}) { const x = 0; }", SyntaxError);
assertThrows("'use strict'; let g = async (x) => { let x = 0; }", SyntaxError);
assertThrows("'use strict'; let g = async ({x}) => { let x = 0; }", SyntaxError);
assertThrows("'use strict'; let g = async (x) => { const x = 0; }", SyntaxError);
assertThrows("'use strict'; let g = async ({x}) => { const x = 0; }", SyntaxError);
}());
(function TestDefaults() {
async function f1(x = 1) { return x }
assertEqualsAsync(1, () => f1());
assertEqualsAsync(1, () => f1(undefined));
assertEqualsAsync(2, () => f1(2));
assertEqualsAsync(null, () => f1(null));
async function f2(x, y = x) { return x + y; }
assertEqualsAsync(8, () => f2(4));
assertEqualsAsync(8, () => f2(4, undefined));
assertEqualsAsync(6, () => f2(4, 2));
async function f3(x = 1, y) { return x + y; }
assertEqualsAsync(8, () => f3(5, 3));
assertEqualsAsync(3, () => f3(undefined, 2));
assertEqualsAsync(6, () => f3(4, 2));
async function f4(x = () => 1) { return x() }
assertEqualsAsync(1, () => f4());
assertEqualsAsync(1, () => f4(undefined));
assertEqualsAsync(2, () => f4(() => 2));
assertThrowsAsync(() => f4(null), TypeError);
async function f5(x, y = () => x) { return x + y(); }
assertEqualsAsync(8, () => f5(4));
assertEqualsAsync(8, () => f5(4, undefined));
assertEqualsAsync(6, () => f5(4, () => 2));
async function f6(x = {a: 1, m() { return 2 }}) { return x.a + x.m(); }
assertEqualsAsync(3, () => f6());
assertEqualsAsync(3, () => f6(undefined));
assertEqualsAsync(5, () => f6({a: 2, m() { return 3 }}));
var g1 = async (x = 1) => { return x };
assertEqualsAsync(1, () => g1());
assertEqualsAsync(1, () => g1(undefined));
assertEqualsAsync(2, () => g1(2));
assertEqualsAsync(null, () => g1(null));
var g2 = async (x, y = x) => { return x + y; };
assertEqualsAsync(8, () => g2(4));
assertEqualsAsync(8, () => g2(4, undefined));
assertEqualsAsync(6, () => g2(4, 2));
var g3 = async (x = 1, y) => { return x + y; };
assertEqualsAsync(8, () => g3(5, 3));
assertEqualsAsync(3, () => g3(undefined, 2));
assertEqualsAsync(6, () => g3(4, 2));
var g4 = async (x = () => 1) => { return x() };
assertEqualsAsync(1, () => g4());
assertEqualsAsync(1, () => g4(undefined));
assertEqualsAsync(2, () => g4(() => 2));
assertThrowsAsync(() => g4(null), TypeError);
var g5 = async (x, y = () => x) => { return x + y(); };
assertEqualsAsync(8, () => g5(4));
assertEqualsAsync(8, () => g5(4, undefined));
assertEqualsAsync(6, () => g5(4, () => 2));
var g6 = async (x = {a: 1, m() { return 2 }}) => { return x.a + x.m(); };
assertEqualsAsync(3, () => g6());
assertEqualsAsync(3, () => g6(undefined));
assertEqualsAsync(5, () => g6({a: 2, m() { return 3 }}));
}());
(function TestEvalInParameters() {
async function f1(x = eval(0)) { return x }
assertEqualsAsync(0, f1);
async function f2(x = () => eval(1)) { return x() }
assertEqualsAsync(1, f2);
})();
(function TestParameterScopingSloppy() {
var x = 1;
async function f1(a = x) { var x = 2; return a; }
assertEqualsAsync(1, f1);
async function f2(a = x) { function x() {}; return a; }
assertEqualsAsync(1, () => f2());
async function f3(a = eval("x")) { var x; return a; }
assertEqualsAsync(1, () => f3());
async function f31(a = eval("'use strict'; x")) { var x; return a; }
assertEqualsAsync(1, () => f31());
async function f4(a = function() { return x }) { var x; return a(); }
assertEqualsAsync(1, () => f4());
async function f5(a = () => x) { var x; return a(); }
assertEqualsAsync(1, () => f5());
async function f6(a = () => eval("x")) { var x; return a(); }
assertEqualsAsync(1, () => f6());
async function f61(a = () => { 'use strict'; return eval("x") }) { var x; return a(); }
assertEqualsAsync(1, () => f61());
async function f62(a = () => eval("'use strict'; x")) { var x; return a(); }
assertEqualsAsync(1, () => f62());
var g1 = async (a = x) => { var x = 2; return a; };
assertEqualsAsync(1, () => g1());
var g2 = async (a = x) => { function x() {}; return a; };
assertEqualsAsync(1, () => g2());
var g3 = async (a = eval("x")) => { var x; return a; };
assertEqualsAsync(1, g3);
var g31 = async (a = eval("'use strict'; x")) => { var x; return a; };
assertEqualsAsync(1, () => g31());
var g4 = async (a = function() { return x }) => { var x; return a(); };
assertEqualsAsync(1, () => g4());
var g5 = async (a = () => x) => { var x; return a(); };
assertEqualsAsync(1, () => g5());
var g6 = async (a = () => eval("x")) => { var x; return a(); };
assertEqualsAsync(1, () => g6());
var g61 = async (a = () => { 'use strict'; return eval("x") }) => { var x; return a(); };
assertEqualsAsync(1, () => g61());
var g62 = async (a = () => eval("'use strict'; x")) => { var x; return a(); };
assertEqualsAsync(1, () => g62());
var f11 = async function f(x = f) { var f; return x; }
assertEqualsAsync(f11, f11);
var f12 = async function f(x = f) { function f() {}; return x; }
assertEqualsAsync(f12, f12);
var f13 = async function f(f = 7, x = f) { return x; }
assertEqualsAsync(7, f13);
var o1 = {f: async function(x = this) { return x; }};
assertEqualsAsync(o1, () => o1.f());
assertEqualsAsync(1, () => o1.f(1));
})();
(function TestParameterScopingStrict() {
"use strict";
var x = 1;
async function f1(a = x) { let x = 2; return a; }
assertEqualsAsync(1, () => f1());
async function f2(a = x) { const x = 2; return a; }
assertEqualsAsync(1, () => f2());
async function f3(a = x) { function x() {}; return a; }
assertEqualsAsync(1, () => f3());
async function f4(a = eval("x")) { var x; return a; }
assertEqualsAsync(1, () => f4());
async function f5(a = () => eval("x")) { var x; return a(); }
assertEqualsAsync(1, () => f5());
var g1 = async (a = x) => { let x = 2; return a; };
assertEqualsAsync(1, () => g1());
var g2 = async (a = x) => { const x = 2; return a; };
assertEqualsAsync(1, () => g2());
var g3 = async (a = x) => { function x() {}; return a; };
assertEqualsAsync(1, () => g3());
var g4 = async (a = eval("x")) => { var x; return a; };
assertEqualsAsync(1, () => g4());
var g5 = async (a = () => eval("x")) => { var x; return a(); };
assertEqualsAsync(1, () => g5());
var f11 = async function f(x = f) { let f; return x; }
assertEqualsAsync(f11, f11);
var f12 = async function f(x = f) { const f = 0; return x; }
assertEqualsAsync(f12, f12);
var f13 = async function f(x = f) { function f() {}; return x; }
assertEqualsAsync(f13, f13);
})();
(function TestSloppyEvalScoping() {
var x = 1;
async function f1(y = eval("var x = 2")) { with ({}) { return x; } }
assertEqualsAsync(1, () => f1());
async function f2(y = eval("var x = 2"), z = x) { return z; }
assertEqualsAsync(1, () => f2());
assertEqualsAsync(1, () => f2(0));
async function f3(y = eval("var x = 2"), z = eval("x")) { return z; }
assertEqualsAsync(1, () => f3());
assertEqualsAsync(1, () => f3(0));
async function f8(y = (eval("var x = 2"), x)) { return y; }
assertEqualsAsync(2, () => f8());
assertEqualsAsync(0, () => f8(0));
async function f11(z = eval("var y = 2")) { return y; }
assertThrowsAsync(f11, ReferenceError);
async function f12(z = eval("var y = 2"), b = y) {}
assertThrowsAsync(f12, ReferenceError);
async function f13(z = eval("var y = 2"), b = eval("y")) {}
assertThrowsAsync(f13, ReferenceError);
async function f21(f = () => x) { eval("var x = 2"); return f() }
assertEqualsAsync(1, () => f21());
assertEqualsAsync(3, () => f21(() => 3));
async function f22(f = () => eval("x")) { eval("var x = 2"); return f() }
assertEqualsAsync(1, () => f22());
assertEqualsAsync(3, () => f22(() => 3));
var g1 = async (y = eval("var x = 2")) => { with ({}) { return x; } };
assertEqualsAsync(1, () => g1());
var g2 = async (y = eval("var x = 2"), z = x) => { return z; };
assertEqualsAsync(1, () => g2());
assertEqualsAsync(1, () => g2(0));
var g3 = async (y = eval("var x = 2"), z = eval("x")) => { return z; };
assertEqualsAsync(1, () => g3());
assertEqualsAsync(1, () => g3(0));
var g8 = async (y = (eval("var x = 2"), x)) => { return y; };
assertEqualsAsync(2, () => g8());
assertEqualsAsync(0, () => g8(0));
var g11 = async (z = eval("var y = 2")) => { return y; };
assertThrowsAsync(g11, ReferenceError);
var g12 = async (z = eval("var y = 2"), b = y) => {};
assertThrowsAsync(g12, ReferenceError);
var g13 = async (z = eval("var y = 2"), b = eval("y")) => {};
assertThrowsAsync(g13, ReferenceError);
var g21 = async (f = () => x) => { eval("var x = 2"); return f() };
assertEqualsAsync(1, () => g21());
assertEqualsAsync(3, () => g21(() => 3));
var g22 = async (f = () => eval("x")) => { eval("var x = 2"); return f() };
assertEqualsAsync(1, () => g22());
assertEqualsAsync(3, () => g22(() => 3));
})();
(function TestStrictEvalScoping() {
'use strict';
var x = 1;
async function f1(y = eval("var x = 2")) { return x; }
assertEqualsAsync(1, () => f1());
async function f2(y = eval("var x = 2"), z = x) { return z; }
assertEqualsAsync(1, () => f2());
assertEqualsAsync(1, () => f2(0));
async function f3(y = eval("var x = 2"), z = eval("x")) { return z; }
assertEqualsAsync(1, () => f3());
assertEqualsAsync(1, () => f3(0));
async function f8(y = (eval("var x = 2"), x)) { return y; }
assertEqualsAsync(1, () => f8());
assertEqualsAsync(0, () => f8(0));
async function f11(z = eval("var y = 2")) { return y; }
assertThrowsAsync(f11, ReferenceError);
async function f12(z = eval("var y = 2"), b = y) {}
assertThrowsAsync(f12, ReferenceError);
async function f13(z = eval("var y = 2"), b = eval("y")) {}
assertThrowsAsync(f13, ReferenceError);
async function f21(f = () => x) { eval("var x = 2"); return f() }
assertEqualsAsync(1, () => f21());
assertEqualsAsync(3, () => f21(() => 3));
async function f22(f = () => eval("x")) { eval("var x = 2"); return f() }
assertEqualsAsync(1, () => f22());
assertEqualsAsync(3, () => f22(() => 3));
})();
(function TestParameterTDZSloppy() {
async function f1(a = x, x) { return a }
assertThrowsAsync(() => f1(undefined, 4), ReferenceError);
assertEqualsAsync(4, () => f1(4, 5));
async function f2(a = eval("x"), x) { return a }
assertThrowsAsync(() => f2(undefined, 4), ReferenceError);
assertEqualsAsync(4, () => f2(4, 5));
async function f3(a = eval("'use strict'; x"), x) { return a }
assertThrowsAsync(() => f3(undefined, 4), ReferenceError);
assertEqualsAsync(4, () => f3(4, 5));
async function f4(a = () => x, x) { return a() }
assertEqualsAsync(4, () => f4(() => 4, 5));
async function f5(a = () => eval("x"), x) { return a() }
assertEqualsAsync(4, () => f5(() => 4, 5));
async function f6(a = () => eval("'use strict'; x"), x) { return a() }
assertEqualsAsync(4, () => f6(() => 4, 5));
async function f11(a = x, x = 2) { return a }
assertThrowsAsync(() => f11(), ReferenceError);
assertThrowsAsync(() => f11(undefined), ReferenceError);
assertThrowsAsync(() => f11(undefined, 4), ReferenceError);
assertEqualsAsync(4, () => f1(4, 5));
async function f12(a = eval("x"), x = 2) { return a }
assertThrowsAsync(() => f12(), ReferenceError);
assertThrowsAsync(() => f12(undefined), ReferenceError);
assertThrowsAsync(() => f12(undefined, 4), ReferenceError);
assertEqualsAsync(4, () => f12(4, 5));
async function f13(a = eval("'use strict'; x"), x = 2) { return a }
assertThrowsAsync(() => f13(), ReferenceError);
assertThrowsAsync(() => f13(undefined), ReferenceError);
assertThrowsAsync(() => f13(undefined, 4), ReferenceError);
assertEqualsAsync(4, () => f13(4, 5));
async function f21(x = function() { return a }, ...a) { return x()[0] }
assertEqualsAsync(4, () => f21(undefined, 4));
async function f22(x = () => a, ...a) { return x()[0] }
assertEqualsAsync(4, () => f22(undefined, 4));
async function f23(x = () => eval("a"), ...a) { return x()[0] }
assertEqualsAsync(4, () => f23(undefined, 4));
async function f24(x = () => {'use strict'; return eval("a") }, ...a) {
return x()[0]
}
assertEqualsAsync(4, () => f24(undefined, 4));
async function f25(x = () => eval("'use strict'; a"), ...a) { return x()[0] }
assertEqualsAsync(4, () => f25(undefined, 4));
var g1 = async (x = function() { return a }, ...a) => { return x()[0] };
assertEqualsAsync(4, () => g1(undefined, 4));
var g2 = async (x = () => a, ...a) => { return x()[0] };
assertEqualsAsync(4, () => g2(undefined, 4));
})();
(function TestParameterTDZStrict() {
"use strict";
async function f1(a = eval("x"), x) { return a }
assertThrowsAsync(() => f1(undefined, 4), ReferenceError);
assertEqualsAsync(4, () => f1(4, 5));
async function f2(a = () => eval("x"), x) { return a() }
assertEqualsAsync(4, () => f2(() => 4, 5));
async function f11(a = eval("x"), x = 2) { return a }
assertThrowsAsync(() => f11(), ReferenceError);
assertThrowsAsync(() => f11(undefined), ReferenceError);
assertThrowsAsync(() => f11(undefined, 4), ReferenceError);
assertEqualsAsync(4, () => f11(4, 5));
async function f21(x = () => eval("a"), ...a) { return x()[0] }
assertEqualsAsync(4, () => f21(undefined, 4));
})();
(function TestArgumentsForNonSimpleParameters() {
async function f1(x = 900) { arguments[0] = 1; return x }
assertEqualsAsync(9, () => f1(9));
assertEqualsAsync(900, () => f1());
async function f2(x = 1001) { x = 2; return arguments[0] }
assertEqualsAsync(10, () => f2(10));
assertEqualsAsync(undefined, () => f2());
}());
(function TestFunctionLength() {
assertEquals(0, (async function(x = 1) {}).length);
assertEquals(0, (async function(x = 1, ...a) {}).length);
assertEquals(1, (async function(x, y = 1) {}).length);
assertEquals(1, (async function(x, y = 1, ...a) {}).length);
assertEquals(2, (async function(x, y, z = 1) {}).length);
assertEquals(2, (async function(x, y, z = 1, ...a) {}).length);
assertEquals(1, (async function(x, y = 1, z) {}).length);
assertEquals(1, (async function(x, y = 1, z, ...a) {}).length);
assertEquals(1, (async function(x, y = 1, z, v = 2) {}).length);
assertEquals(1, (async function(x, y = 1, z, v = 2, ...a) {}).length);
})();
(function TestDirectiveThrows() {
"use strict";
assertThrows("(async function(x=1){'use strict';})", SyntaxError);
assertThrows("(async function(a, x=1){'use strict';})", SyntaxError);
assertThrows("(async function({x}){'use strict';})", SyntaxError);
})();
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