[debug-wrapper] Conditional breaks, locals, evaluate, scopes

test/mjsunit/debug-evaluate-declaration.js

-// 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);