ca8eaef638
R=rossberg@chromium.org BUG=v8:2198 LOG=N Review URL: https://codereview.chromium.org/713413003 Cr-Commit-Position: refs/heads/master@{#25406}
36 lines
855 B
JavaScript
36 lines
855 B
JavaScript
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-scoping
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function CheckError(source) {
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var exception = null;
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try {
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eval(source);
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} catch (e) {
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exception = e;
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}
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assertNotNull(exception);
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assertEquals(
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"Lexical declarations are currently only allowed in strict mode",
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exception.message);
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}
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function CheckOk(source) {
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eval(source);
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}
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CheckError("let x = 1;");
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CheckError("{ let x = 1; }");
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CheckError("function f() { let x = 1; }");
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CheckError("for (let x = 1; x < 1; x++) {}");
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CheckError("for (let x of []) {}");
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CheckError("for (let x in []) {}");
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CheckOk("let = 1;");
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CheckOk("{ let = 1; }");
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CheckOk("function f() { let = 1; }");
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CheckOk("for (let = 1; let < 1; let++) {}");
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