c983689d39
Does not entirely disallow the use of 'eval' as an identifier in strong mode, as originally proposed. BUG=v8:3956 LOG=N Review URL: https://codereview.chromium.org/1059273004 Cr-Commit-Position: refs/heads/master@{#27796}
63 lines
2.0 KiB
JavaScript
63 lines
2.0 KiB
JavaScript
// 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: --strong-mode
|
|
// Flags: --harmony-classes --harmony-arrow-functions
|
|
|
|
'use strong';
|
|
|
|
class C {}
|
|
|
|
let indirect_eval = eval;
|
|
|
|
function assertTypeError(script) { assertThrows(script, TypeError) }
|
|
function assertSyntaxError(script) { assertThrows(script, SyntaxError) }
|
|
function assertReferenceError(script) { assertThrows(script, ReferenceError) }
|
|
|
|
(function ImmutableClassBindings() {
|
|
class D {}
|
|
assertTypeError(function(){ indirect_eval("C = 0") });
|
|
assertEquals('function', typeof C);
|
|
assertEquals('function', typeof D);
|
|
assertTypeError("'use strong'; (function f() {class E {}; E = 0})()");
|
|
})();
|
|
|
|
function constructor(body) {
|
|
return "'use strong'; " +
|
|
"(class extends Object { constructor() { " + body + " } })";
|
|
}
|
|
|
|
(function NoMissingSuper() {
|
|
assertReferenceError(constructor(""));
|
|
assertReferenceError(constructor("1"));
|
|
})();
|
|
|
|
(function NoNestedSuper() {
|
|
assertSyntaxError(constructor("(super());"));
|
|
assertSyntaxError(constructor("(() => super())();"));
|
|
assertSyntaxError(constructor("{ super(); }"));
|
|
assertSyntaxError(constructor("if (1) super();"));
|
|
})();
|
|
|
|
(function NoDuplicateSuper() {
|
|
assertSyntaxError(constructor("super(), super();"));
|
|
assertSyntaxError(constructor("super(); super();"));
|
|
assertSyntaxError(constructor("super(); (super());"));
|
|
assertSyntaxError(constructor("super(); { super() }"));
|
|
assertSyntaxError(constructor("super(); (() => super())();"));
|
|
})();
|
|
|
|
(function NoReturnValue() {
|
|
assertSyntaxError(constructor("return {};"));
|
|
assertSyntaxError(constructor("return undefined;"));
|
|
assertSyntaxError(constructor("{ return {}; }"));
|
|
assertSyntaxError(constructor("if (1) return {};"));
|
|
})();
|
|
|
|
(function NoReturnBeforeSuper() {
|
|
assertSyntaxError(constructor("return; super();"));
|
|
assertSyntaxError(constructor("if (0) return; super();"));
|
|
assertSyntaxError(constructor("{ return; } super();"));
|
|
})();
|