[inspector] introduced Debugger.scheduleStepIntoAsync

test/inspector/debugger/schedule-step-into-async.js

+// Copyright 2017 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.
+
+InspectorTest.log('Checks Debugger.scheduleStepIntoAsync.');
+
+InspectorTest.addScript(`
+function testNoScheduledTask() {
+  debugger;
+  return 42;
+}
+
+function testSimple() {
+  debugger;
+  Promise.resolve().then(v => v * 2);
+}
+
+function testNotResolvedPromise() {
+  var resolveCallback;
+  var p = new Promise(resolve => resolveCallback = resolve);
+  debugger;
+  p.then(v => v * 2);
+  resolveCallback();
+}
+
+function testTwoAsyncTasks() {
+  debugger;
+  Promise.resolve().then(v => v * 2);
+  Promise.resolve().then(v => v * 4);
+}
+
+function testTwoAsyncTasksWithBreak() {
+  debugger;
+  Promise.resolve().then(v => v * 2);
+  debugger;
+  Promise.resolve().then(v => v * 4);
+}
+//# sourceURL=test.js`);
+
+InspectorTest.setupScriptMap();
+
+Protocol.Debugger.enable();
+InspectorTest.runAsyncTestSuite([
+  async function testScheduleErrors() {
+    Protocol.Runtime.evaluate({ expression: 'testNoScheduledTask()' });
+    await waitPauseAndDumpLocation();
+    Protocol.Debugger.scheduleStepIntoAsync().then(InspectorTest.logMessage);
+    Protocol.Debugger.scheduleStepIntoAsync().then(InspectorTest.logMessage);
+    await Protocol.Debugger.stepInto();
+    await waitPauseAndDumpLocation();
+    await Protocol.Debugger.resume();
+  },
+
+  async function testSimple() {
+    Protocol.Runtime.evaluate({ expression: 'testSimple()' });
+    await waitPauseAndDumpLocation();
+    await Protocol.Debugger.stepOver();

[dgozman, 2017/03/01 23:03:57]

Should not await stepping most of the time.

[kozy, 2017/03/02 00:53:03]

Done.

+    await waitPauseAndDumpLocation();
+    Protocol.Debugger.scheduleStepIntoAsync().then(InspectorTest.logMessage);
+    await Protocol.Debugger.stepInto();
+    await waitPauseAndDumpLocation();
+    await Protocol.Debugger.resume();
+  },
+
+  async function testNotResolvedPromise() {
+    Protocol.Runtime.evaluate({ expression: 'testNotResolvedPromise()' });
+    await waitPauseAndDumpLocation();
+    await Protocol.Debugger.stepOver();
+    await waitPauseAndDumpLocation();
+    Protocol.Debugger.scheduleStepIntoAsync().then(InspectorTest.logMessage);
+    await Protocol.Debugger.stepInto();
+    await waitPauseAndDumpLocation();
+    await Protocol.Debugger.resume();
+  },
+
+  async function testTwoAsyncTasks() {
+    Protocol.Runtime.evaluate({ expression: 'testTwoAsyncTasks()'});
+    await waitPauseAndDumpLocation();
+    Protocol.Debugger.scheduleStepIntoAsync().then(InspectorTest.logMessage);
+    await Protocol.Debugger.resume();
+    await waitPauseAndDumpLocation();
+    await Protocol.Debugger.resume();
+  },
+
+  async function testTwoTasksAndGoToSecond() {
+    Protocol.Runtime.evaluate({ expression: 'testTwoAsyncTasks()'});
+    await waitPauseAndDumpLocation();
+    await Protocol.Debugger.stepOver();
+    await waitPauseAndDumpLocation();
+    await Protocol.Debugger.stepOver();
+    await waitPauseAndDumpLocation();
+    Protocol.Debugger.scheduleStepIntoAsync().then(InspectorTest.logMessage);
+    await Protocol.Debugger.resume();
+    await waitPauseAndDumpLocation();
+    await Protocol.Debugger.resume();
+  },
+
+  async function testTwoAsyncTasksWithBreak() {
+    Protocol.Runtime.evaluate({ expression: 'testTwoAsyncTasksWithBreak()'});
+    await waitPauseAndDumpLocation();
+    await Protocol.Debugger.stepOver();
+    await waitPauseAndDumpLocation();
+    Protocol.Debugger.scheduleStepIntoAsync().then(InspectorTest.logMessage);
+    await Protocol.Debugger.resume();
+    await waitPauseAndDumpLocation();
+    Protocol.Debugger.scheduleStepIntoAsync().then(InspectorTest.logMessage);
+    await Protocol.Debugger.resume();
+    await waitPauseAndDumpLocation();
+    await Protocol.Debugger.resume();
+  }
+]);
+
+async function waitPauseAndDumpLocation() {
+  var message = await Protocol.Debugger.oncePaused();
+  InspectorTest.log('paused at:');
+  InspectorTest.logCallFrameSourceLocation(message.params.callFrames[0]);
+  return message;
+}