[debug-wrapper] Adapt tests, breakpoint.actual_location

test/mjsunit/es6/debug-stepin-microtasks.js

-// Copyright 2014 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: --allow-natives-syntax --expose-debug-as debug
-
-Debug = debug.Debug
-var exception = null;
-var break_count = 0;
-const expected_breaks = 9;
-
-function listener(event, exec_state, event_data, data) {
-  try {
-    if (event == Debug.DebugEvent.Break) {
-      assertTrue(exec_state.frameCount() != 0, "FAIL: Empty stack trace");
-      var source = exec_state.frame(0).sourceLineText();
-      print("paused at: " + source);
-      assertTrue(source.indexOf("// Break " + break_count + ".") > 0,
-                 "Unexpected pause at: " + source + "\n" +
-                 "Expected: // Break " + break_count + ".");
-      if (source.indexOf("StepOver.") !== -1) {
-        exec_state.prepareStep(Debug.StepAction.StepNext);
-      } else {
-        exec_state.prepareStep(Debug.StepAction.StepIn);
-      }
-      ++break_count;
-    }
-  } catch (e) {
-    exception = e;
-    print(e, e.stack);
-  }
-};
-
-Debug.setListener(listener);
-
-Promise.resolve(42)
-  .then(promise1)
-  .then(Object) // Should skip stepping into native.
-  .then(Boolean) // Should skip stepping into native.
-  .then(promise2)
-  .catch(promise3)
-  .then(promise4)
-  .catch(function(e) {
-    %AbortJS("FAIL: uncaught exception " + e);
-  });
-
-function promise1() {
-  debugger; // Break 0.
-  return exception || 1; // Break 1.
-} // Break 2.
-
-function promise2() {
-  throw new Error; // Break 3.
-}
-
-function promise3() {
-  return break_count; // Break 4.
-} // Break 5.
-
-function promise4() {
-  finalize(); // Break 6. StepOver.
-  return 0; // Break 7.
-} // Break 8. StepOver.
-
-function finalize() {
-  Promise.resolve().then(function() {
-    if (expected_breaks !== break_count) {
-      %AbortJS("FAIL: expected <" + expected_breaks + "> breaks instead of <" +
-               break_count + ">");
-    }
-    if (exception !== null) {
-      %AbortJS("FAIL: exception: " + exception);
-    }
-  });
-}