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Unified Diff: test/mjsunit/harmony/destructuring.js

Issue 1776683003: Remove destructuring and default arguments runtime flags (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Rebased Created 4 years, 9 months ago
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Index: test/mjsunit/harmony/destructuring.js
diff --git a/test/mjsunit/harmony/destructuring.js b/test/mjsunit/harmony/destructuring.js
deleted file mode 100644
index d058b8a77d2817fb593e69b20b2d6d03d340e023..0000000000000000000000000000000000000000
--- a/test/mjsunit/harmony/destructuring.js
+++ /dev/null
@@ -1,1137 +0,0 @@
-// Copyright 2015 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-destructuring-bind
-// Flags: --harmony-default-parameters
-
-(function TestObjectLiteralPattern() {
- var { x : x, y : y, get, set } = { x : 1, y : 2, get: 3, set: 4 };
- assertEquals(1, x);
- assertEquals(2, y);
- assertEquals(3, get);
- assertEquals(4, set);
-
- var {z} = { z : 3 };
- assertEquals(3, z);
-
-
- var sum = 0;
- for (var {z} = { z : 3 }; z != 0; z--) {
- sum += z;
- }
- assertEquals(6, sum);
-
-
- var log = [];
- var o = {
- get x() {
- log.push("x");
- return 0;
- },
- get y() {
- log.push("y");
- return {
- get z() { log.push("z"); return 1; }
- }
- }
- };
- var { x : x0, y : { z : z1 }, x : x1 } = o;
- assertSame(0, x0);
- assertSame(1, z1);
- assertSame(0, x1);
- assertArrayEquals(["x", "y", "z", "x"], log);
-}());
-
-
-(function TestObjectLiteralPatternInitializers() {
- var { x : x, y : y = 2 } = { x : 1 };
- assertEquals(1, x);
- assertEquals(2, y);
-
- var {z = 3} = {};
- assertEquals(3, z);
-
- var sum = 0;
- for (var {z = 3} = {}; z != 0; z--) {
- sum += z;
- }
- assertEquals(6, sum);
-
- var log = [];
- var o = {
- get x() {
- log.push("x");
- return undefined;
- },
- get y() {
- log.push("y");
- return {
- get z() { log.push("z"); return undefined; }
- }
- }
- };
- var { x : x0 = 0, y : { z : z1 = 1}, x : x1 = 0} = o;
- assertSame(0, x0);
- assertSame(1, z1);
- assertSame(0, x1);
- assertArrayEquals(["x", "y", "z", "x"], log);
-}());
-
-
-(function TestObjectLiteralPatternLexicalInitializers() {
- 'use strict';
- let { x : x, y : y = 2 } = { x : 1 };
- assertEquals(1, x);
- assertEquals(2, y);
-
- let {z = 3} = {};
- assertEquals(3, z);
-
- let log = [];
- let o = {
- get x() {
- log.push("x");
- return undefined;
- },
- get y() {
- log.push("y");
- return {
- get z() { log.push("z"); return undefined; }
- }
- }
- };
-
- let { x : x0 = 0, y : { z : z1 = 1 }, x : x1 = 5} = o;
- assertSame(0, x0);
- assertSame(1, z1);
- assertSame(5, x1);
- assertArrayEquals(["x", "y", "z", "x"], log);
-
- let sum = 0;
- for (let {x = 0, z = 3} = {}; z != 0; z--) {
- assertEquals(0, x);
- sum += z;
- }
- assertEquals(6, sum);
-}());
-
-
-(function TestObjectLiteralPatternLexical() {
- 'use strict';
- let { x : x, y : y } = { x : 1, y : 2 };
- assertEquals(1, x);
- assertEquals(2, y);
-
- let {z} = { z : 3 };
- assertEquals(3, z);
-
- let log = [];
- let o = {
- get x() {
- log.push("x");
- return 0;
- },
- get y() {
- log.push("y");
- return {
- get z() { log.push("z"); return 1; }
- }
- }
- };
- let { x : x0, y : { z : z1 }, x : x1 } = o;
- assertSame(0, x0);
- assertSame(1, z1);
- assertSame(0, x1);
- assertArrayEquals(["x", "y", "z", "x"], log);
-
- let sum = 0;
- for (let {x, z} = { x : 0, z : 3 }; z != 0; z--) {
- assertEquals(0, x);
- sum += z;
- }
- assertEquals(6, sum);
-}());
-
-
-(function TestObjectLiteralPatternLexicalConst() {
- 'use strict';
- const { x : x, y : y } = { x : 1, y : 2 };
- assertEquals(1, x);
- assertEquals(2, y);
-
- assertThrows(function() { x++; }, TypeError);
- assertThrows(function() { y++; }, TypeError);
-
- const {z} = { z : 3 };
- assertEquals(3, z);
-
- for (const {x, z} = { x : 0, z : 3 }; z != 3 || x != 0;) {
- assertTrue(false);
- }
-}());
-
-
-(function TestFailingMatchesSloppy() {
- var {x, y} = {};
- assertSame(undefined, x);
- assertSame(undefined, y);
-
- var { x : { z1 }, y2} = { x : {}, y2 : 42 }
- assertSame(undefined, z1);
- assertSame(42, y2);
-}());
-
-
-(function TestFailingMatchesStrict() {
- 'use strict';
- var {x, y} = {};
- assertSame(undefined, x);
- assertSame(undefined, y);
-
- var { x : { z1 }, y2} = { x : {}, y2 : 42 }
- assertSame(undefined, z1);
- assertSame(42, y2);
-
- {
- let {x1,y1} = {};
- assertSame(undefined, x1);
- assertSame(undefined, y1);
-
- let { x : { z1 }, y2} = { x : {}, y2 : 42 }
- assertSame(undefined, z1);
- assertSame(42, y2);
- }
-}());
-
-
-(function TestTDZInIntializers() {
- 'use strict';
- {
- let {x, y = x} = {x : 42, y : 27};
- assertSame(42, x);
- assertSame(27, y);
- }
-
- {
- let {x, y = x + 1} = { x : 42 };
- assertSame(42, x);
- assertSame(43, y);
- }
- assertThrows(function() {
- let {x = y, y} = { y : 42 };
- }, ReferenceError);
-
- {
- let {x, y = eval("x+1")} = {x:42};
- assertEquals(42, x);
- assertEquals(43, y);
- }
-
- {
- let {x, y = () => eval("x+1")} = {x:42};
- assertEquals(42, x);
- assertEquals(43, y());
- }
-
- {
- let {x = function() {return y+1;}, y} = {y:42};
- assertEquals(43, x());
- assertEquals(42, y);
- }
- {
- let {x = function() {return eval("y+1");}, y} = {y:42};
- assertEquals(43, x());
- assertEquals(42, y);
- }
-}());
-
-
-(function TestSideEffectsInInitializers() {
- var callCount = 0;
- function f(v) { callCount++; return v; }
-
- callCount = 0;
- var { x = f(42) } = { x : 27 };
- assertSame(27, x);
- assertEquals(0, callCount);
-
- callCount = 0;
- var { x = f(42) } = {};
- assertSame(42, x);
- assertEquals(1, callCount);
-}());
-
-
-(function TestMultipleAccesses() {
- assertThrows(
- "'use strict';"+
- "const {x,x} = {x:1};",
- SyntaxError);
-
- assertThrows(
- "'use strict';"+
- "let {x,x} = {x:1};",
- SyntaxError);
-
- (function() {
- var {x,x = 2} = {x : 1};
- assertSame(1, x);
- }());
-
- assertThrows(function () {
- 'use strict';
- let {x = (function() { x = 2; }())} = {};
- }, ReferenceError);
-
- (function() {
- 'use strict';
- let {x = (function() { x = 2; }())} = {x:1};
- assertSame(1, x);
- }());
-}());
-
-
-(function TestComputedNames() {
- var x = 1;
- var {[x]:y} = {1:2};
- assertSame(2, y);
-
- (function(){
- 'use strict';
- let {[x]:y} = {1:2};
- assertSame(2, y);
- }());
-
- var callCount = 0;
- function foo(v) { callCount++; return v; }
-
- (function() {
- callCount = 0;
- var {[foo("abc")]:x} = {abc:42};
- assertSame(42, x);
- assertEquals(1, callCount);
- }());
-
- (function() {
- 'use strict';
- callCount = 0;
- let {[foo("abc")]:x} = {abc:42};
- assertSame(42, x);
- assertEquals(1, callCount);
- }());
-
- (function() {
- callCount = 0;
- var {[foo("abc")]:x} = {};
- assertSame(undefined, x);
- assertEquals(1, callCount);
- }());
-
- (function() {
- 'use strict';
- callCount = 0;
- let {[foo("abc")]:x} = {};
- assertSame(undefined, x);
- assertEquals(1, callCount);
- }());
-
- for (val of [null, undefined]) {
- callCount = 0;
- assertThrows(function() {
- var {[foo()]:x} = val;
- }, TypeError);
- assertEquals(0, callCount);
-
- callCount = 0;
- assertThrows(function() {
- 'use strict';
- let {[foo()]:x} = val;
- }, TypeError);
- assertEquals(0, callCount);
- }
-
- var log = [];
- var o = {
- get x() { log.push("get x"); return 1; },
- get y() { log.push("get y"); return 2; }
- }
- function f(v) { log.push("f " + v); return v; }
-
- (function() {
- log = [];
- var { [f('x')]:x, [f('y')]:y } = o;
- assertSame(1, x);
- assertSame(2, y);
- assertArrayEquals(["f x", "get x", "f y", "get y"], log);
- }());
-
- (function() {
- 'use strict';
- log = [];
- let { [f('x')]:x, [f('y')]:y } = o;
- assertSame(1, x);
- assertSame(2, y);
- assertArrayEquals(["f x", "get x", "f y", "get y"], log);
- }());
-
- (function() {
- 'use strict';
- log = [];
- const { [f('x')]:x, [f('y')]:y } = o;
- assertSame(1, x);
- assertSame(2, y);
- assertArrayEquals(["f x", "get x", "f y", "get y"], log);
- }());
-}());
-
-
-(function TestExceptions() {
- for (var val of [null, undefined]) {
- assertThrows(function() { var {} = val; }, TypeError);
- assertThrows(function() { var {x} = val; }, TypeError);
- assertThrows(function() { var { x : {} } = { x : val }; }, TypeError);
- assertThrows(function() { 'use strict'; let {} = val; }, TypeError);
- assertThrows(function() { 'use strict'; let {x} = val; }, TypeError);
- assertThrows(function() { 'use strict'; let { x : {} } = { x : val }; },
- TypeError);
- }
-}());
-
-
-(function TestArrayLiteral() {
- var [a, b, c] = [1, 2, 3];
- assertSame(1, a);
- assertSame(2, b);
- assertSame(3, c);
-}());
-
-(function TestIterators() {
- var log = [];
- function* f() {
- log.push("1");
- yield 1;
- log.push("2");
- yield 2;
- log.push("3");
- yield 3;
- log.push("done");
- };
-
- (function() {
- log = [];
- var [a, b, c] = f();
- assertSame(1, a);
- assertSame(2, b);
- assertSame(3, c);
- assertArrayEquals(["1", "2", "3"], log);
- }());
-
- (function() {
- log = [];
- var [a, b, c, d] = f();
- assertSame(1, a);
- assertSame(2, b);
- assertSame(3, c);
- assertSame(undefined, d);
- assertArrayEquals(["1", "2", "3", "done"], log);
- }());
-
- (function() {
- log = [];
- var [a, , c] = f();
- assertSame(1, a);
- assertSame(3, c);
- assertArrayEquals(["1", "2", "3"], log);
- }());
-
- (function() {
- log = [];
- var [a, , c, d] = f();
- assertSame(1, a);
- assertSame(3, c);
- assertSame(undefined, d);
- assertArrayEquals(["1", "2", "3", "done"], log);
- }());
-
- (function() {
- log = [];
- // last comma is not an elision.
- var [a, b,] = f();
- assertSame(1, a);
- assertSame(2, b);
- assertArrayEquals(["1", "2"], log);
- }());
-
- (function() {
- log = [];
- // last comma is not an elision, but the comma before the last is.
- var [a, b, ,] = f();
- assertSame(1, a);
- assertSame(2, b);
- assertArrayEquals(["1", "2", "3"], log);
- }());
-
- (function() {
- log = [];
- var [a, ...rest] = f();
- assertSame(1, a);
- assertArrayEquals([2,3], rest);
- assertArrayEquals(["1", "2", "3", "done"], log);
- }());
-
- (function() {
- log = [];
- var [a, b, c, ...rest] = f();
- assertSame(1, a);
- assertSame(2, b);
- assertSame(3, c);
- assertArrayEquals([], rest);
- assertArrayEquals(["1", "2", "3", "done"], log);
- }());
-
- (function() {
- log = [];
- var [a, b, c, d, ...rest] = f();
- assertSame(1, a);
- assertSame(2, b);
- assertSame(3, c);
- assertSame(undefined, d);
- assertArrayEquals([], rest);
- assertArrayEquals(["1", "2", "3", "done"], log);
- }());
-}());
-
-
-(function TestIteratorsLexical() {
- 'use strict';
- var log = [];
- function* f() {
- log.push("1");
- yield 1;
- log.push("2");
- yield 2;
- log.push("3");
- yield 3;
- log.push("done");
- };
-
- (function() {
- log = [];
- let [a, b, c] = f();
- assertSame(1, a);
- assertSame(2, b);
- assertSame(3, c);
- assertArrayEquals(["1", "2", "3"], log);
- }());
-
- (function() {
- log = [];
- let [a, b, c, d] = f();
- assertSame(1, a);
- assertSame(2, b);
- assertSame(3, c);
- assertSame(undefined, d);
- assertArrayEquals(["1", "2", "3", "done"], log);
- }());
-
- (function() {
- log = [];
- let [a, , c] = f();
- assertSame(1, a);
- assertSame(3, c);
- assertArrayEquals(["1", "2", "3"], log);
- }());
-
- (function() {
- log = [];
- let [a, , c, d] = f();
- assertSame(1, a);
- assertSame(3, c);
- assertSame(undefined, d);
- assertArrayEquals(["1", "2", "3", "done"], log);
- }());
-
- (function() {
- log = [];
- // last comma is not an elision.
- let [a, b,] = f();
- assertSame(1, a);
- assertSame(2, b);
- assertArrayEquals(["1", "2"], log);
- }());
-
- (function() {
- log = [];
- // last comma is not an elision, but the comma before the last is.
- let [a, b, ,] = f();
- assertSame(1, a);
- assertSame(2, b);
- assertArrayEquals(["1", "2", "3"], log);
- }());
-
- (function() {
- log = [];
- let [a, ...rest] = f();
- assertSame(1, a);
- assertArrayEquals([2,3], rest);
- assertArrayEquals(["1", "2", "3", "done"], log);
- }());
-
- (function() {
- log = [];
- let [a, b, c, ...rest] = f();
- assertSame(1, a);
- assertSame(2, b);
- assertSame(3, c);
- assertArrayEquals([], rest);
- assertArrayEquals(["1", "2", "3", "done"], log);
- }());
-
- (function() {
- log = [];
- let [a, b, c, d, ...rest] = f();
- assertSame(1, a);
- assertSame(2, b);
- assertSame(3, c);
- assertSame(undefined, d);
- assertArrayEquals([], rest);
- assertArrayEquals(["1", "2", "3", "done"], log);
- }());
-}());
-
-(function TestIteratorsRecursive() {
- var log = [];
- function* f() {
- log.push("1");
- yield {x : 1, y : 2};
- log.push("2");
- yield [42, 27, 30];
- log.push("3");
- yield "abc";
- log.push("done");
- };
-
- (function() {
- var [{x, y}, [a, b]] = f();
- assertSame(1, x);
- assertSame(2, y);
- assertSame(42, a);
- assertSame(27, b);
- assertArrayEquals(["1", "2"], log);
- }());
-
- (function() {
- 'use strict';
- log = [];
- let [{x, y}, [a, b]] = f();
- assertSame(1, x);
- assertSame(2, y);
- assertSame(42, a);
- assertSame(27, b);
- assertArrayEquals(["1", "2"], log);
- }());
-}());
-
-
-(function TestForEachLexical() {
- 'use strict';
- let a = [{x:1, y:-1}, {x:2,y:-2}, {x:3,y:-3}];
- let sumX = 0;
- let sumY = 0;
- let fs = [];
- for (let {x,y} of a) {
- sumX += x;
- sumY += y;
- fs.push({fx : function() { return x; }, fy : function() { return y }});
- }
- assertSame(6, sumX);
- assertSame(-6, sumY);
- assertSame(3, fs.length);
- for (let i = 0; i < fs.length; i++) {
- let {fx,fy} = fs[i];
- assertSame(i+1, fx());
- assertSame(-(i+1), fy());
- }
-
- var o = { __proto__:null, 'a1':1, 'b2':2 };
- let sx = '';
- let sy = '';
- for (let [x,y] in o) {
- sx += x;
- sy += y;
- }
- assertEquals('ab', sx);
- assertEquals('12', sy);
-}());
-
-
-(function TestForEachVars() {
- var a = [{x:1, y:-1}, {x:2,y:-2}, {x:3,y:-3}];
- var sumX = 0;
- var sumY = 0;
- var fs = [];
- for (var {x,y} of a) {
- sumX += x;
- sumY += y;
- fs.push({fx : function() { return x; }, fy : function() { return y }});
- }
- assertSame(6, sumX);
- assertSame(-6, sumY);
- assertSame(3, fs.length);
- for (var i = 0; i < fs.length; i++) {
- var {fx,fy} = fs[i];
- assertSame(3, fx());
- assertSame(-3, fy());
- }
-
- var o = { __proto__:null, 'a1':1, 'b2':2 };
- var sx = '';
- var sy = '';
- for (var [x,y] in o) {
- sx += x;
- sy += y;
- }
- assertEquals('ab', sx);
- assertEquals('12', sy);
-}());
-
-
-(function TestParameters() {
- function f({a, b}) { return a - b; }
- assertEquals(1, f({a : 6, b : 5}));
-
- function f1(c, {a, b}) { return c + a - b; }
- assertEquals(8, f1(7, {a : 6, b : 5}));
-
- function f2({c, d}, {a, b}) { return c - d + a - b; }
- assertEquals(7, f2({c : 7, d : 1}, {a : 6, b : 5}));
-
- function f3([{a, b}]) { return a - b; }
- assertEquals(1, f3([{a : 6, b : 5}]));
-
- var g = ({a, b}) => { return a - b; };
- assertEquals(1, g({a : 6, b : 5}));
-
- var g1 = (c, {a, b}) => { return c + a - b; };
- assertEquals(8, g1(7, {a : 6, b : 5}));
-
- var g2 = ({c, d}, {a, b}) => { return c - d + a - b; };
- assertEquals(7, g2({c : 7, d : 1}, {a : 6, b : 5}));
-
- var g3 = ([{a, b}]) => { return a - b; };
- assertEquals(1, g3([{a : 6, b : 5}]));
-}());
-
-
-(function TestExpressionsInParameters() {
- function f0(x = eval(0)) { return x }
- assertEquals(0, f0());
- function f1({a = eval(1)}) { return a }
- assertEquals(1, f1({}));
- function f2([x = eval(2)]) { return x }
- assertEquals(2, f2([]));
- function f3({[eval(7)]: x}) { return x }
- assertEquals(3, f3({7: 3}));
-})();
-
-
-(function TestParameterScoping() {
- var x = 1;
-
- function f1({a = x}) { var x = 2; return a; }
- assertEquals(1, f1({}));
- function f2({a = x}) { function x() {}; return a; }
- assertEquals(1, f2({}));
- (function() {
- 'use strict';
- function f3({a = x}) { let x = 2; return a; }
- assertEquals(1, f3({}));
- function f4({a = x}) { const x = 2; return a; }
- assertEquals(1, f4({}));
- function f5({a = x}) { function x() {}; return a; }
- assertEquals(1, f5({}));
- })();
- function f6({a = eval("x")}) { var x; return a; }
- assertEquals(1, f6({}));
- (function() {
- 'use strict';
- function f61({a = eval("x")}) { var x; return a; }
- assertEquals(1, f61({}));
- })();
- function f62({a = eval("'use strict'; x")}) { var x; return a; }
- assertEquals(1, f62({}));
- function f7({a = function() { return x }}) { var x; return a(); }
- assertEquals(1, f7({}));
- function f8({a = () => x}) { var x; return a(); }
- assertEquals(1, f8({}));
- function f9({a = () => eval("x")}) { var x; return a(); }
- assertEquals(1, f9({}));
- (function TestInitializedWithEvalArrowStrict() {
- 'use strict';
- function f91({a = () => eval("x")}) { var x; return a(); }
- assertEquals(1, f91({}));
- })();
- function f92({a = () => { 'use strict'; return eval("x") }}) { var x; return a(); }
- assertEquals(1, f92({}));
- function f93({a = () => eval("'use strict'; x")}) { var x; return a(); }
- assertEquals(1, f93({}));
-
- var g1 = ({a = x}) => { var x = 2; return a; };
- assertEquals(1, g1({}));
- var g2 = ({a = x}) => { function x() {}; return a; };
- assertEquals(1, g2({}));
- (function() {
- 'use strict';
- var g3 = ({a = x}) => { let x = 2; return a; };
- assertEquals(1, g3({}));
- var g4 = ({a = x}) => { const x = 2; return a; };
- assertEquals(1, g4({}));
- var g5 = ({a = x}) => { function x() {}; return a; };
- assertEquals(1, g5({}));
- })();
- var g6 = ({a = eval("x")}) => { var x; return a; };
- assertEquals(1, g6({}));
- (function() {
- 'use strict';
- var g61 = ({a = eval("x")}) => { var x; return a; };
- assertEquals(1, g61({}));
- })();
- var g62 = ({a = eval("'use strict'; x")}) => { var x; return a; };
- assertEquals(1, g62({}));
- var g7 = ({a = function() { return x }}) => { var x; return a(); };
- assertEquals(1, g7({}));
- var g8 = ({a = () => x}) => { var x; return a(); };
- assertEquals(1, g8({}));
- var g9 = ({a = () => eval("x")}) => { var x; return a(); };
- assertEquals(1, g9({}));
- (function() {
- 'use strict';
- var g91 = ({a = () => eval("x")}) => { var x; return a(); };
- assertEquals(1, g91({}));
- var g92 = ({a = () => { return eval("x") }}) => { var x; return a(); };
- assertEquals(1, g92({}));
- })();
- var g93 = ({a = () => eval("'use strict'; x")}) => { var x; return a(); };
- assertEquals(1, g93({}));
-
- var f11 = function f({x = f}) { var f; return x; }
- assertSame(f11, f11({}));
- var f12 = function f({x = f}) { function f() {}; return x; }
- assertSame(f12, f12({}));
- (function() {
- 'use strict';
- var f13 = function f({x = f}) { let f; return x; }
- assertSame(f13, f13({}));
- var f14 = function f({x = f}) { const f = 0; return x; }
- assertSame(f14, f14({}));
- var f15 = function f({x = f}) { function f() {}; return x; }
- assertSame(f15, f15({}));
- })();
- var f16 = function f({f = 7, x = f}) { return x; }
- assertSame(7, f16({}));
-
- var y = 'a';
- function f20({[y]: x}) { var y = 'b'; return x; }
- assertEquals(1, f20({a: 1, b: 2}));
- function f21({[eval('y')]: x}) { var y = 'b'; return x; }
- assertEquals(1, f21({a: 1, b: 2}));
- var g20 = ({[y]: x}) => { var y = 'b'; return x; };
- assertEquals(1, g20({a: 1, b: 2}));
- var g21 = ({[eval('y')]: x}) => { var y = 'b'; return x; };
- assertEquals(1, g21({a: 1, b: 2}));
-})();
-
-
-(function TestParameterDestructuringTDZ() {
- function f1({a = x}, x) { return a }
- assertThrows(() => f1({}, 4), ReferenceError);
- assertEquals(4, f1({a: 4}, 5));
- function f2({a = eval("x")}, x) { return a }
- assertThrows(() => f2({}, 4), ReferenceError);
- assertEquals(4, f2({a: 4}, 5));
- (function() {
- 'use strict';
- function f3({a = eval("x")}, x) { return a }
- assertThrows(() => f3({}, 4), ReferenceError);
- assertEquals(4, f3({a: 4}, 5));
- })();
- function f4({a = eval("'use strict'; x")}, x) { return a }
- assertThrows(() => f4({}, 4), ReferenceError);
- assertEquals(4, f4({a: 4}, 5));
-
- function f5({a = () => x}, x) { return a() }
- assertEquals(4, f5({a: () => 4}, 5));
- function f6({a = () => eval("x")}, x) { return a() }
- assertEquals(4, f6({a: () => 4}, 5));
- (function() {
- 'use strict';
- function f7({a = () => eval("x")}, x) { return a() }
- assertEquals(4, f7({a: () => 4}, 5));
- })();
- function f8({a = () => eval("'use strict'; x")}, x) { return a() }
- assertEquals(4, f8({a: () => 4}, 5));
-
- function f11({a = b}, {b}) { return a }
- assertThrows(() => f11({}, {b: 4}), ReferenceError);
- assertEquals(4, f11({a: 4}, {b: 5}));
- function f12({a = eval("b")}, {b}) { return a }
- assertThrows(() => f12({}, {b: 4}), ReferenceError);
- assertEquals(4, f12({a: 4}, {b: 5}));
- (function() {
- 'use strict';
- function f13({a = eval("b")}, {b}) { return a }
- assertThrows(() => f13({}, {b: 4}), ReferenceError);
- assertEquals(4, f13({a: 4}, {b: 5}));
- })();
- function f14({a = eval("'use strict'; b")}, {b}) { return a }
- assertThrows(() => f14({}, {b: 4}), ReferenceError);
- assertEquals(4, f14({a: 4}, {b: 5}));
-
- function f15({a = () => b}, {b}) { return a() }
- assertEquals(4, f15({a: () => 4}, {b: 5}));
- function f16({a = () => eval("b")}, {b}) { return a() }
- assertEquals(4, f16({a: () => 4}, {b: 5}));
- (function() {
- 'use strict';
- function f17({a = () => eval("b")}, {b}) { return a() }
- assertEquals(4, f17({a: () => 4}, {b: 5}));
- })();
- function f18({a = () => eval("'use strict'; b")}, {b}) { return a() }
- assertEquals(4, f18({a: () => 4}, {b: 5}));
-
- // TODO(caitp): TDZ for rest parameters is not working yet.
- // function f30({x = a}, ...a) { return x[0] }
- // assertThrows(() => f30({}), ReferenceError);
- // assertEquals(4, f30({a: [4]}, 5));
- // function f31({x = eval("a")}, ...a) { return x[0] }
- // assertThrows(() => f31({}), ReferenceError);
- // assertEquals(4, f31({a: [4]}, 5));
- // function f32({x = eval("a")}, ...a) { 'use strict'; return x[0] }
- // assertThrows(() => f32({}), ReferenceError);
- // assertEquals(4, f32({a: [4]}, 5));
- // function f33({x = eval("'use strict'; a")}, ...a) { return x[0] }
- // assertThrows(() => f33({}), ReferenceError);
- // assertEquals(4, f33({a: [4]}, 5));
-
- function f34({x = function() { return a }}, ...a) { return x()[0] }
- assertEquals(4, f34({}, 4));
- function f35({x = () => a}, ...a) { return x()[0] }
- assertEquals(4, f35({}, 4));
- function f36({x = () => eval("a")}, ...a) { return x()[0] }
- assertEquals(4, f36({}, 4));
- (function() {
- 'use strict';
- function f37({x = () => eval("a")}, ...a) { return x()[0] }
- assertEquals(4, f37({}, 4));
- })();
- function f38({x = () => { 'use strict'; return eval("a") }}, ...a) { return x()[0] }
- assertEquals(4, f38({}, 4));
- function f39({x = () => eval("'use strict'; a")}, ...a) { return x()[0] }
- assertEquals(4, f39({}, 4));
-
- // var g30 = ({x = a}, ...a) => {};
- // assertThrows(() => g30({}), ReferenceError);
- // var g31 = ({x = eval("a")}, ...a) => {};
- // assertThrows(() => g31({}), ReferenceError);
- // var g32 = ({x = eval("a")}, ...a) => { 'use strict'; };
- // assertThrows(() => g32({}), ReferenceError);
- // var g33 = ({x = eval("'use strict'; a")}, ...a) => {};
- // assertThrows(() => g33({}), ReferenceError);
- var g34 = ({x = function() { return a }}, ...a) => { return x()[0] };
- assertEquals(4, g34({}, 4));
- var g35 = ({x = () => a}, ...a) => { return x()[0] };
- assertEquals(4, g35({}, 4));
-})();
-
-
-(function TestDuplicatesInParameters() {
- assertThrows("'use strict';function f(x,x){}", SyntaxError);
- assertThrows("'use strict';function f({x,x}){}", SyntaxError);
- assertThrows("'use strict';function f(x, {x}){}", SyntaxError);
- assertThrows("'use strict';var f = (x,x) => {};", SyntaxError);
- assertThrows("'use strict';var f = ({x,x}) => {};", SyntaxError);
- assertThrows("'use strict';var f = (x, {x}) => {};", SyntaxError);
-
- function ok1(x) { var x; return x; };
- assertEquals(1, ok1(1));
- function ok2(x) { 'use strict'; { let x = 2; return x; } };
- assertEquals(2, ok2(1));
-}());
-
-
-(function TestShadowingOfParameters() {
- function f1({x}) { var x = 2; return x }
- assertEquals(2, f1({x: 1}));
- function f2({x}) { { var x = 2; } return x; }
- assertEquals(2, f2({x: 1}));
- function f3({x}) { var y = x; var x = 2; return y; }
- assertEquals(1, f3({x: 1}));
- function f4({x}) { { var y = x; var x = 2; } return y; }
- assertEquals(1, f4({x: 1}));
- function f5({x}, g = () => x) { var x = 2; return g(); }
- assertEquals(1, f5({x: 1}));
- function f6({x}, g = () => x) { { var x = 2; } return g(); }
- assertEquals(1, f6({x: 1}));
- function f7({x}) { var g = () => x; var x = 2; return g(); }
- assertEquals(2, f7({x: 1}));
- function f8({x}) { { var g = () => x; var x = 2; } return g(); }
- assertEquals(2, f8({x: 1}));
- function f9({x}, g = () => eval("x")) { var x = 2; return g(); }
- assertEquals(1, f9({x: 1}));
-
- function f10({x}, y) { var y; return y }
- assertEquals(2, f10({x: 6}, 2));
- function f11({x}, y) { var z = y; var y = 2; return z; }
- assertEquals(1, f11({x: 6}, 1));
- function f12(y, g = () => y) { var y = 2; return g(); }
- assertEquals(1, f12(1));
- function f13({x}, y, [z], v) { var x, y, z; return x*y*z*v }
- assertEquals(210, f13({x: 2}, 3, [5], 7));
-
- 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);
-
- var g1 = ({x}) => { var x = 2; return x };
- assertEquals(2, g1({x: 1}));
- var g2 = ({x}) => { { var x = 2; } return x; };
- assertEquals(2, g2({x: 1}));
- var g3 = ({x}) => { var y = x; var x = 2; return y; };
- assertEquals(1, g3({x: 1}));
- var g4 = ({x}) => { { var y = x; var x = 2; } return y; };
- assertEquals(1, g4({x: 1}));
- var g5 = ({x}, g = () => x) => { var x = 2; return g(); };
- assertEquals(1, g5({x: 1}));
- var g6 = ({x}, g = () => x) => { { var x = 2; } return g(); };
- assertEquals(1, g6({x: 1}));
- var g7 = ({x}) => { var g = () => x; var x = 2; return g(); };
- assertEquals(2, g7({x: 1}));
- var g8 = ({x}) => { { var g = () => x; var x = 2; } return g(); };
- assertEquals(2, g8({x: 1}));
- var g9 = ({x}, g = () => eval("x")) => { var x = 2; return g(); };
- assertEquals(1, g9({x: 1}));
-
- var g10 = ({x}, y) => { var y; return y };
- assertEquals(2, g10({x: 6}, 2));
- var g11 = ({x}, y) => { var z = y; var y = 2; return z; };
- assertEquals(1, g11({x: 6}, 1));
- var g12 = (y, g = () => y) => { var y = 2; return g(); };
- assertEquals(1, g12(1));
- var g13 = ({x}, y, [z], v) => { var x, y, z; return x*y*z*v };
- assertEquals(210, g13({x: 2}, 3, [5], 7));
-
- var g20 = ({x}) => { function x() { return 2 }; return x(); }
- assertEquals(2, g20({x: 1}));
- 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'; 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);
-}());
-
-
-(function TestArgumentsForNonSimpleParameters() {
- function f1({}, x) { arguments[1] = 0; return x }
- assertEquals(6, f1({}, 6));
- function f2({}, x) { x = 2; return arguments[1] }
- assertEquals(7, f2({}, 7));
- function f3(x, {}) { arguments[0] = 0; return x }
- assertEquals(6, f3(6, {}));
- function f4(x, {}) { x = 2; return arguments[0] }
- assertEquals(7, f4(7, {}));
- function f5(x, ...a) { arguments[0] = 0; return x }
- assertEquals(6, f5(6, {}));
- function f6(x, ...a) { x = 2; return arguments[0] }
- assertEquals(6, f6(6, {}));
- function f7({a: x}) { x = 2; return arguments[0].a }
- assertEquals(5, f7({a: 5}));
- function f8(x, ...a) { a = []; return arguments[1] }
- assertEquals(6, f8(5, 6));
-}());
-
-
-(function TestForInOfTDZ() {
- assertThrows("'use strict'; let x = {}; for (let [x, y] of [x]);", ReferenceError);
- assertThrows("'use strict'; let x = {}; for (let [y, x] of [x]);", ReferenceError);
- assertThrows("'use strict'; let x = {}; for (let [x, y] in {x});", ReferenceError);
- assertThrows("'use strict'; let x = {}; for (let [y, x] in {x});", ReferenceError);
-}());
-
-
-(function TestFunctionLength() {
- assertEquals(1, (function({}) {}).length);
- assertEquals(1, (function([]) {}).length);
- assertEquals(1, (function({x}) {}).length);
- assertEquals(1, (function({}, ...a) {}).length);
- assertEquals(1, (function({x}, {y} = {}) {}).length);
- assertEquals(1, (function({x}, {y} = {}, ...a) {}).length);
- assertEquals(2, (function(x, {y}, {z} = {}) {}).length);
- assertEquals(2, (function({x}, {}, {z} = {}, ...a) {}).length);
- assertEquals(1, (function(x, {y} = {}, {z}) {}).length);
- assertEquals(1, (function({x}, {y} = {}, {z}, ...a) {}).length);
- assertEquals(1, (function(x, {y} = {}, {z}, {v} = {}) {}).length);
- assertEquals(1, (function({x}, {y} = {}, {z}, {v} = {}, ...a) {}).length);
-})();
-
-
-(function TestDirectiveThrows() {
- "use strict";
-
- assertThrows(function(){ eval("function({}){'use strict';}") }, SyntaxError);
- assertThrows(function(){ eval("({}) => {'use strict';}") }, SyntaxError);
- assertThrows(
- function(){ eval("(class{foo({}) {'use strict';}});") }, SyntaxError);
-
- assertThrows(
- function(){ eval("function(a, {}){'use strict';}") }, SyntaxError);
- assertThrows(function(){ eval("(a, {}) => {'use strict';}") }, SyntaxError);
- assertThrows(
- function(){ eval("(class{foo(a, {}) {'use strict';}});") }, SyntaxError);
-})();
-
-
-(function TestLegacyConstDestructuringInForLoop() {
- var result;
- for (const {foo} of [{foo: 1}]) { result = foo; }
- assertEquals(1, result);
-})();
-
-
-(function TestCatch() {
- "use strict";
-
- // For testing proper scoping.
- var foo = "hello", bar = "world", baz = 42;
-
- try {
- throw {foo: 1, bar: 2};
- } catch ({foo, bar, baz = 3}) {
- assertEquals(1, foo);
- assertEquals(2, bar);
- assertEquals(3, baz);
- }
-
- try {
- throw [1, 2, 3];
- } catch ([foo, ...bar]) {
- assertEquals(1, foo);
- assertEquals([2, 3], bar);
- }
-
- assertEquals("hello", foo);
- assertEquals("world", bar);
- assertEquals(42, baz);
-
- assertEquals(undefined, eval('try {throw {foo: 1, bar: 2}} catch({foo}) {}'));
- assertEquals(undefined, eval('try {throw [1, 2, 3]} catch([x]) {}'));
-})();
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