mirror of https://github.com/tc39/test262.git
28 lines
1.1 KiB
JavaScript
28 lines
1.1 KiB
JavaScript
// Copyright (C) 2016 the V8 project authors. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
/*---
|
|
esid: sec-evaldeclarationinstantiation
|
|
es6id: 18.2.1.2
|
|
description: Throws a TypeError if a global function cannot be defined.
|
|
info: |
|
|
Runtime Semantics: EvalDeclarationInstantiation( body, varEnv, lexEnv, strict)
|
|
|
|
...
|
|
8. For each d in varDeclarations, in reverse list order do
|
|
a. If d is neither a VariableDeclaration or a ForBinding, then
|
|
i. Assert: d is either a FunctionDeclaration or a GeneratorDeclaration.
|
|
ii. NOTE If there are multiple FunctionDeclarations for the same name,
|
|
the last declaration is used.
|
|
iii. Let fn be the sole element of the BoundNames of d.
|
|
iv. If fn is not an element of declaredFunctionNames, then
|
|
1. If varEnvRec is a global Environment Record, then
|
|
a. Let fnDefinable be varEnvRec.CanDeclareGlobalFunction(fn).
|
|
b. ReturnIfAbrupt(fnDefinable).
|
|
c. If fnDefinable is false, throw TypeError exception.
|
|
...
|
|
---*/
|
|
|
|
assert.throws(TypeError, function() {
|
|
(0,eval)("function NaN() {}");
|
|
});
|