mirror of https://github.com/tc39/test262.git
49 lines
1.7 KiB
JavaScript
49 lines
1.7 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/annex-b-fns/global-skip-early-err-for-in.case
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// - src/annex-b-fns/global/if-decl-else-decl-a.template
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/*---
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description: Extension not observed when creation of variable binding would produce an early error (for-of statement) (IfStatement with a declaration in both statement positions in the global scope)
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esid: sec-functiondeclarations-in-ifstatement-statement-clauses
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flags: [generated, noStrict]
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info: |
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The following rules for IfStatement augment those in 13.6:
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IfStatement[Yield, Return]:
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if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return]
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if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield]
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if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield]
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if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield]
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B.3.3.2 Changes to GlobalDeclarationInstantiation
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[...]
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b. If replacing the FunctionDeclaration f with a VariableStatement that has
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F as a BindingIdentifier would not produce any Early Errors for script,
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then
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[...]
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---*/
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assert.throws(ReferenceError, function() {
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f;
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}, 'An initialized binding is not created prior to evaluation');
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assert.sameValue(
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typeof f,
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'undefined',
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'An uninitialized binding is not created prior to evaluation'
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);
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for (let f in { key: 0 }) {
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if (true) function f() { } else function _f() {}
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}
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assert.throws(ReferenceError, function() {
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f;
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}, 'An initialized binding is not created following evaluation');
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assert.sameValue(
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typeof f,
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'undefined',
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'An uninitialized binding is not created following evaluation'
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);
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