[inspector] Test how multiple sessions interact with pausing

test/inspector/sessions/debugger-stepping-and-breakpoints.js

Index: test/inspector/sessions/debugger-stepping-and-breakpoints.js
diff --git a/test/inspector/sessions/debugger-stepping-and-breakpoints.js b/test/inspector/sessions/debugger-stepping-and-breakpoints.js
new file mode 100644
index 0000000000000000000000000000000000000000..b2464c2868ac7ac785b4124d8b8f4b5af032c79c
--- /dev/null
+++ b/test/inspector/sessions/debugger-stepping-and-breakpoints.js
@@ -0,0 +1,172 @@
+// 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('Tests how multiple sessions interact while pausing, stepping, setting breakpoints and blackboxing.');
+
+var contextGroup = new InspectorTest.ContextGroup();
+
+contextGroup.addScript(`
+function foo() {
+  return 1;
+}
+function baz() {
+  return 2;
+}
+function stepping() {
+  debugger;
+  var a = 1;
+  var b = 1;
+}
+//# sourceURL=test.js`, 9, 25);
+
+contextGroup.addScript(`
+function bar() {
+  debugger;
+}
+//# sourceURL=test2.js`, 23, 25);
+
+(async function test() {
+  var session1 = contextGroup.connect();
+  await session1.Protocol.Debugger.enable();
+  var session2 = contextGroup.connect();
+  await session2.Protocol.Debugger.enable();
+
+  InspectorTest.log('Setting breakpoints in 1');
+  await session1.Protocol.Debugger.setBreakpointByUrl({url: 'test.js', lineNumber: 11});
+  await session1.Protocol.Debugger.setBreakpointByUrl({url: 'test.js', lineNumber: 14});
+  InspectorTest.log('Setting breakpoints in 2');
+  await session2.Protocol.Debugger.setBreakpointByUrl({url: 'test.js', lineNumber: 11});
+
+  InspectorTest.log('Evaluating common breakpoint in 1');
+  session1.Protocol.Runtime.evaluate({expression: 'foo();'});
+  await waitForBothPaused();
+  InspectorTest.log('Resuming in 1');
+  session1.Protocol.Debugger.resume();
+  await waitForBothResumed();
+
+  InspectorTest.log('Evaluating debugger in 1');
+  session1.Protocol.Runtime.evaluate({expression: 'bar();'});
+  await waitForBothPaused();
+  InspectorTest.log('Resuming in 2');
+  session2.Protocol.Debugger.resume();
+  await waitForBothResumed();
+
+  InspectorTest.log('Evaluating exclusive breakpoint in 1');
+  session1.Protocol.Runtime.evaluate({expression: 'baz();'});
+  await waitForBothPaused();
+  InspectorTest.log('Resuming in 1');
+  session1.Protocol.Debugger.resume();
+  await waitForBothResumed();
+
+  InspectorTest.log('Evaluating common breakpoint in 2');
+  session2.Protocol.Runtime.evaluate({expression: 'foo();'});
+  await waitForBothPaused();
+  InspectorTest.log('Resuming in 2');
+  session2.Protocol.Debugger.resume();
+  await waitForBothResumed();
+
+  InspectorTest.log('Evaluating debugger in 2');
+  session2.Protocol.Runtime.evaluate({expression: 'bar();'});
+  await waitForBothPaused();
+  InspectorTest.log('Resuming in 2');
+  session2.Protocol.Debugger.resume();
+  await waitForBothResumed();
+
+  InspectorTest.log('Evaluating exclusive breakpoint in 2');
+  session2.Protocol.Runtime.evaluate({expression: 'baz();'});
+  await waitForBothPaused();
+  InspectorTest.log('Resuming in 1');
+  session1.Protocol.Debugger.resume();
+  await waitForBothResumed();
+
+  InspectorTest.log('Evaluating stepping in 1');
+  session1.Protocol.Runtime.evaluate({expression: 'stepping();'});
+  await waitForBothPaused();
+  InspectorTest.log('Stepping into in 2');
+  session2.Protocol.Debugger.stepInto();
+  await waitForBothResumed();
+  await waitForBothPaused();
+  InspectorTest.log('Stepping over in 1');
+  session1.Protocol.Debugger.stepOver();
+  await waitForBothResumed();
+  await waitForBothPaused();
+  InspectorTest.log('Stepping out in 2');
+  session2.Protocol.Debugger.stepOut();
+  await waitForBothResumed();
+  await waitForBothPaused();
+  InspectorTest.log('Resuming in 1');
+  session1.Protocol.Debugger.resume();
+  await waitForBothResumed();
+
+  InspectorTest.log('Pausing in next statement');
+  contextGroup.schedulePauseOnNextStatement('some-reason', JSON.stringify({a: 42}));
+  session2.Protocol.Runtime.evaluate({expression: 'var a = 1;'});
+  await waitForBothPaused();
+  InspectorTest.log('Resuming in 1');
+  session1.Protocol.Debugger.resume();
+  await waitForBothResumed();
+
+  InspectorTest.log('Pausing in next statement');
+  contextGroup.schedulePauseOnNextStatement('some-reason', JSON.stringify({a: 42}));
+  session2.Protocol.Runtime.evaluate({expression: 'var a = 1;'});
+  await waitForBothPaused();
+  InspectorTest.log('Resuming in 2');
+  session2.Protocol.Debugger.resume();
+  await waitForBothResumed();
+
+  InspectorTest.log('Blackboxing bar() in 2');
+  await session2.Protocol.Debugger.setBlackboxPatterns({patterns: ['test2.js']});
+  InspectorTest.log('Evaluating bar() in 2');
+  session2.Protocol.Runtime.evaluate({expression: 'bar();'});
+  await waitForPaused(session1, 1);
+  InspectorTest.log('Resuming in 1');
+  session1.Protocol.Debugger.resume();
+  await waitForResumed(session1, 1);
+
+  InspectorTest.log('Blackboxing bar() in 1');
+  await session1.Protocol.Debugger.setBlackboxPatterns({patterns: ['test2.js']});
+  InspectorTest.log('Evaluating bar() in 2');
+  await session2.Protocol.Runtime.evaluate({expression: 'bar();'});
+
+  InspectorTest.log('Skipping pauses in 1');
+  await session1.Protocol.Debugger.setSkipAllPauses({skip: true});
+  InspectorTest.log('Evaluating common breakpoint in 1');
+  session1.Protocol.Runtime.evaluate({expression: 'foo();'});
+  await waitForPaused(session2, 2);
+  InspectorTest.log('Resuming in 2');
+  session2.Protocol.Debugger.resume();
+  await waitForResumed(session2, 2);
+
+  InspectorTest.log('Skipping pauses in 2');
+  await session2.Protocol.Debugger.setSkipAllPauses({skip: true});
+  InspectorTest.log('Evaluating common breakpoint in 1');
+  await session1.Protocol.Runtime.evaluate({expression: 'foo();'});
+
+  InspectorTest.completeTest();
+
+  function waitForBothPaused() {
+    return Promise.all([waitForPaused(session1, 1), waitForPaused(session2, 2)]);
+  }
+
+  function waitForBothResumed() {
+    return Promise.all([waitForResumed(session1, 1), waitForResumed(session2, 2)]);
+  }
+})();
+
+function waitForPaused(session, num) {
+  return session.Protocol.Debugger.oncePaused().then(message => {
+    InspectorTest.log(`Paused in ${num}:`);
+    InspectorTest.log(`  reason: ${message.params.reason}`);
+    InspectorTest.log(`  hit breakpoints: ${(message.params.hitBreakpoints || []).join(';')}`);
+    var callFrame = message.params.callFrames[0];
+    InspectorTest.log(`  location: ${callFrame.functionName || '<anonymous>'}@${callFrame.location.lineNumber}`);
+    InspectorTest.log(`  data: ${JSON.stringify(message.params.data || null)}`);
+  });
+}
+
+function waitForResumed(session, num) {
+  return session.Protocol.Debugger.onceResumed().then(message => {
+    InspectorTest.log(`Resumed in ${num}`);
+  });
+}