1 files changed, 76 insertions, 0 deletions
diff --git a/deps/v8/test/debugger/debug/es6/debug-stepin-microtasks.js b/deps/v8/test/debugger/debug/es6/debug-stepin-microtasks.js
new file mode 100644
index 0000000000..dd3f7a1c9e
--- /dev/null
+++ b/deps/v8/test/debugger/debug/es6/debug-stepin-microtasks.js
@@ -0,0 +1,76 @@
+// 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.
+
+
+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 if (source.indexOf("StepOut.") !== -1) {
+        exec_state.prepareStep(Debug.StepAction.StepOut);
+      } 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. StepOver.
+
+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. StepOut.
+
+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);
+    }
+  });
+}