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

test/mjsunit/regress/regress-131994.js

-// Copyright 2012 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-//       copyright notice, this list of conditions and the following
-//       disclaimer in the documentation and/or other materials provided
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Flags: --expose-debug-as debug
-
-// Test that a variable in the local scope that shadows a context-allocated
-// variable is correctly resolved when being evaluated in the debugger.
-
-Debug = debug.Debug;
-
-var exception = false;
-
-function listener(event, exec_state, event_data, data) {
-  if (event != Debug.DebugEvent.Break) return;
-  var breakpoint = exec_state.frame(0);
-  try {
-    // Assert correct break point.
-    assertTrue(breakpoint.sourceLineText().indexOf("// Break") > -1);
-    // Assert correct value.
-    assertEquals(3, breakpoint.evaluate('x').value());
-  } catch (e) {
-    exception = e;
-  }
-}
-
-Debug.setListener(listener);
-
-function h() {
-  var x;  // Context-allocated due to g().
-
-  var g = function g() {
-    x = -7;
-  };
-
-  var f = function f() {
-    var x = 3;  // Allocated in the local scope.
-    debugger;  // Break.
-  };
-
-  f();
-}
-
-h();
-
-assertFalse(exception);