mirror of
https://github.com/tc39/test262.git
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b62dccf1dc
- lastIndex in RegExp.prototype[Symbol.split]: tc39/ecma262@08b4756747 - Missing number conversion in DataView.prototype.setXXX: tc39/ecma262@4f875fe96d - Negative zero byteoffset in TypedArray: tc39/ecma262@2d1ed20db7 - EvalDeclarationInstantiation throws TypeError: tc39/ecma262@2be6968715 - BindingRestElement allows BindingPattern: tc39/ecma262@d322357e6b - Eval in parameters with computed property keys: tc39/ecma262@04e2e9b719 - Use strict with non-simple parameters: tc39/ecma262@15b0db41ed - __proto__ in strict mode: tc39/ecma262@5c1984334d
42 lines
1.1 KiB
JavaScript
Executable File
42 lines
1.1 KiB
JavaScript
Executable File
// Copyright (C) 2015 André Bargull. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 18.2.1.2
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description: Throws a TypeError if a global variable cannot be defined.
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info: >
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Runtime Semantics: EvalDeclarationInstantiation( body, varEnv, lexEnv, strict)
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...
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10. For each d in varDeclarations, do
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a. If d is a VariableDeclaration or a ForBinding, then
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i. For each String vn in the BoundNames of d, do
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1. If vn is not an element of declaredFunctionNames, then
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a. If varEnvRec is a global Environment Record, then
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i. Let vnDefinable be varEnvRec.CanDeclareGlobalVar(vn).
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ii. ReturnIfAbrupt(vnDefinable).
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iii. If vnDefinable is false, throw TypeError exception.
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...
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flags: [noStrict]
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---*/
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var nonExtensible;
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try {
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Object.preventExtensions(this);
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nonExtensible = !Object.isExtensible(this);
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} catch (e) {
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nonExtensible = false;
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}
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// Run test if global object is non-extensible.
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if (nonExtensible) {
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var error;
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try {
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eval("var unlikelyVariableName");
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} catch (e) {
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error = e;
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}
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assert(error instanceof TypeError);
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}
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