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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --expose-debug-as debug
// Test that debug-evaluate only resolves variables that are used by
// the function inside which we debug-evaluate. This is to avoid
// incorrect variable resolution when a context-allocated variable is
// shadowed by a stack-allocated variable.
"use strict";
var Debug = debug.Debug
var exception = null;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
exec_state.frame(0).evaluate("var x = 2");
exec_state.frame(0).evaluate("'use strict'; let y = 3");
exec_state.frame(0).evaluate("var z = 4");
exec_state.frame(0).evaluate("function bar() { return 5; }");
} catch (e) {
exception = e;
print(e + e.stack);
}
}
Debug.setListener(listener);
var z = 1;
(function() {
debugger;
})();
assertEquals(2, x); // declaration
assertThrows(() => y, ReferenceError); // let-declaration does not stick
assertEquals(4, z); // re-declaration
assertEquals(5, bar()); // function declaration
Debug.setListener(null);
assertNull(exception);