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

test/mjsunit/regress/regress-crbug-582051.js

-// Copyright 2016 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
-
-var test_y = false;
-
-function foo(a = 1) {
-  var x = 2;
-  debugger;
-  eval("var y = 3");
-  test_y = true;
-  debugger;
-}
-
-var exception = null;
-var break_count = 0;
-var Debug = debug.Debug;
-var ScopeType = debug.ScopeType;
-
-function listener(event, exec_state) {
-  if (event != Debug.DebugEvent.Break) return;
-  try {
-    var scopes = exec_state.frame(0).allScopes();
-    var expectation = [ ScopeType.Block,
-                        ScopeType.Local,
-                        ScopeType.Script,
-                        ScopeType.Global ];
-    assertEquals(expectation, scopes.map(x => x.scopeType()));
-    assertEquals(2, scopes[0].scopeObject().value().x);
-    if (test_y) assertEquals(3, scopes[0].scopeObject().value().y);
-    assertEquals(1, scopes[1].scopeObject().value().a);
-    break_count++;
-  } catch (e) {
-    print(e);
-    exception = e;
-  }
-}
-Debug.setListener(listener);
-foo();
-
-assertNull(exception);
-assertEquals(2, break_count);