mirror of https://github.com/tc39/test262.git
51 lines
1.4 KiB
Plaintext
51 lines
1.4 KiB
Plaintext
// Copyright (C) 2016 the V8 project authors. 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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desc: >
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Extension is observed when creation of variable binding would not produce an
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early error (try statement)
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template: global
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info: |
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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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B.3.5 VariableStatements in Catch Blocks
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[...]
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- It is a Syntax Error if any element of the BoundNames of CatchParameter
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also occurs in the VarDeclaredNames of Block unless CatchParameter is
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CatchParameter:BindingIdentifier and that element is only bound by a
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VariableStatement, the VariableDeclarationList of a for statement, or the
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ForBinding of a for-in statement.
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---*/
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//- setup
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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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try {
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throw {};
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} catch ({ f }) {
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//- teardown
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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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