[inspector] store creation stack in current V8StackTraceImpl

test/inspector/debugger/max-async-call-chain-depth.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 that we trim async call chains correctly.');
+
+Protocol.Debugger.enable();
+InspectorTest.log('set async chain depth to 8');
+Protocol.Debugger.setAsyncCallStackDepth({maxDepth: 8});
+InspectorTest.runAsyncTestSuite([
+  async function testDebuggerPaused() {
+    runWithAsyncChain(4, 'debugger;');
+    dumpAsyncChainLength(await Protocol.Debugger.oncePaused());
+    await Protocol.Debugger.resume();
+
+    runWithAsyncChain(8, 'debugger;');
+    dumpAsyncChainLength(await Protocol.Debugger.oncePaused());
+    await Protocol.Debugger.resume();
+
+    runWithAsyncChain(9, 'debugger;');
+    dumpAsyncChainLength(await Protocol.Debugger.oncePaused());
+    await Protocol.Debugger.resume();
+
+    runWithAsyncChain(32, 'debugger;');
+    dumpAsyncChainLength(await Protocol.Debugger.oncePaused());
+    await Protocol.Debugger.resume();
+  },
+
+  async function testConsoleTrace() {
+    Protocol.Runtime.enable();
+    runWithAsyncChain(4, 'console.trace(42);');
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+
+    runWithAsyncChain(8, 'console.trace(42);');
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+
+    runWithAsyncChain(9, 'console.trace(42);');
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+
+    runWithAsyncChain(32, 'console.trace(42);');
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+  },
+
+  async function testDebuggerPausedSetTimeout() {
+    runWithAsyncChainSetTimeout(4, 'debugger;');
+    dumpAsyncChainLength(await Protocol.Debugger.oncePaused());
+    await Protocol.Debugger.resume();
+
+    runWithAsyncChainSetTimeout(8, 'debugger;');
+    dumpAsyncChainLength(await Protocol.Debugger.oncePaused());
+    await Protocol.Debugger.resume();
+
+    runWithAsyncChainSetTimeout(9, 'debugger;');
+    dumpAsyncChainLength(await Protocol.Debugger.oncePaused());
+    await Protocol.Debugger.resume();
+
+    runWithAsyncChainSetTimeout(32, 'debugger;');
+    dumpAsyncChainLength(await Protocol.Debugger.oncePaused());
+    await Protocol.Debugger.resume();
+  },
+
+  async function testConsoleTraceSetTimeout() {
+    runWithAsyncChainSetTimeout(4, 'console.trace(42);');
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+
+    runWithAsyncChainSetTimeout(8, 'console.trace(42);');
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+
+    runWithAsyncChainSetTimeout(9, 'console.trace(42);');
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+
+    runWithAsyncChainSetTimeout(32, 'console.trace(42);');
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+  },
+
+  async function testConsoleTraceWithEmptySync() {
+    Protocol.Runtime.evaluate({
+      expression: 'new Promise(resolve => setTimeout(resolve, 0)).then(() => console.trace(42))'
+    });
+    InspectorTest.logMessage((await Protocol.Runtime.onceConsoleAPICalled()).params.stackTrace);
+  },
+
+  async function testDebuggerPausedThenableJob() {
+    runWithThenableJob(4, 'debugger;');
+    dumpAsyncChainLength(await Protocol.Debugger.oncePaused());
+    await Protocol.Debugger.resume();
+
+    runWithThenableJob(8, 'debugger;');
+    dumpAsyncChainLength(await Protocol.Debugger.oncePaused());
+    await Protocol.Debugger.resume();
+
+    runWithThenableJob(9, 'debugger;');
+    dumpAsyncChainLength(await Protocol.Debugger.oncePaused());
+    await Protocol.Debugger.resume();
+
+    runWithThenableJob(32, 'debugger;');
+    dumpAsyncChainLength(await Protocol.Debugger.oncePaused());
+    await Protocol.Debugger.resume();
+  },
+
+  async function testConsoleTraceThenableJob() {
+    runWithThenableJob(4, 'console.trace(42);');
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+
+    runWithThenableJob(8, 'console.trace(42);');
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+
+    runWithThenableJob(9, 'console.trace(42);');
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+
+    runWithThenableJob(32, 'console.trace(42);');
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+  },
+
+  async function twoConsoleAssert() {
+    Protocol.Runtime.evaluate({
+      expression: 'setTimeout(' +
+        'setTimeout.bind(null, ' +
+          'setTimeout.bind(null, () => { console.assert(); setTimeout(console.assert, 0) }, 0), 0), 0)'
+    });
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+    dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
+  }
+]);
+
+function runWithAsyncChain(len, source) {
+  InspectorTest.log(`Run expression '${source}' with async chain len: ${len}`);
+  let then = '.then(() => 1)';
+  let pause = `.then(() => { ${source} })`;
+  Protocol.Runtime.evaluate({
+    expression: `Promise.resolve()${then.repeat(len - 1)}${pause}`
+  });
+}
+
+function runWithAsyncChainSetTimeout(len, source) {
+  InspectorTest.log(`Run expression '${source}' with async chain len: ${len}`);
+  let setTimeout = 'setTimeout(() => {';
+  let suffix = '}, 0)';
+  Protocol.Runtime.evaluate({
+    expression: `${setTimeout.repeat(len)}${source}${suffix.repeat(len)}`
+  });
+}
+
+function runWithThenableJob(len, source) {
+  InspectorTest.log(`Run expression '${source}' with async chain len: ${len}`);
+  let then = '.then(Promise.resolve.bind(Promise, 0))';
+  let pause = `.then(() => { ${source} })`;
+  Protocol.Runtime.evaluate({
+    expression: `Promise.resolve()${then.repeat(len - 1)}${pause}`
+  });
+}
+
+function dumpAsyncChainLength(message) {
+  let stackTrace = message.params.asyncStackTrace || message.params.stackTrace.parent;
+  let asyncChainCount = 0;
+  while (stackTrace) {
+    ++asyncChainCount;
+    stackTrace = stackTrace.parent;
+  }
+  InspectorTest.log(`actual async chain len: ${asyncChainCount}`);
+}