[debug-wrapper] LiveEdit, frame.restart(), breakpoints

test/mjsunit/es6/debug-liveedit-new-target-2.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 --allow-natives-syntax
-
-// Test that live-editing a frame to introduce new.target fails.
-
-Debug = debug.Debug
-var calls = 0;
-var exceptions = 0;
-var results = [];
-var replace_again;
-
-eval(`
-  function LogNewTarget() {
-    calls++;
-    ReplaceOnce();
-    results.push(true);
-  }
-`);
-
-function Replace(fun, original, patch) {
-  %ExecuteInDebugContext(function() {
-    var change_log = [];
-    try {
-      var script = Debug.findScript(fun);
-      var patch_pos = script.source.indexOf(original);
-      Debug.LiveEdit.TestApi.ApplySingleChunkPatch(
-          script, patch_pos, original.length, patch, change_log);
-    } catch (e) {
-      assertEquals("BLOCKED_NO_NEW_TARGET_ON_RESTART",
-                   change_log[0].functions_on_stack[0].replace_problem);
-      assertInstanceof(e, Debug.LiveEdit.Failure);
-      exceptions++;
-    }
-  });
-}
-
-function ReplaceOnce(x) {
-  if (replace_again) {
-    replace_again = false;
-    Replace(LogNewTarget, "true", "new.target");
-  }
-}
-
-function Revert() {
-  Replace(LogNewTarget, "new.target", "true");
-}
-
-replace_again = true;
-ReplaceOnce();
-new LogNewTarget();
-Revert();
-assertEquals(1, calls);
-assertEquals(0, exceptions);
-assertEquals([LogNewTarget], results);
-
-replace_again = true;
-new LogNewTarget();
-assertEquals(2, calls);  // No restarts
-assertEquals(1, exceptions);  // Replace failed.
-assertEquals([LogNewTarget, true], results);