feat(node): support uncaughtException and uncaughtExceptionMonitor

node/_tools/config.json

@@ -254,7 +254,10 @@
       "test-events-list.js",
       "test-events-on-async-iterator.js",
       "test-events-once.js",
+      "test-events-uncaught-exception-stack.js",
       "test-eventtarget-brandcheck.js",
+      "test-exception-handler.js",
+      "test-exception-handler2.js",
       "test-file-write-stream.js",
       "test-file-write-stream2.js",
       "test-fs-access.js",
@@ -288,6 +291,7 @@
       "test-fs-write.js",
       "test-fs-writev-sync.js",
       "test-fs-writev.js",
+      "test-handle-wrap-close-abort.js",
       "test-http-agent-getname.js",
       "test-http-client-get-url.js",
       "test-http-client-read-in-error.js",
@@ -415,6 +419,8 @@
       "test-process-exit-recursive.js",
       "test-process-exit.js",
       "test-process-uptime.js",
+      "test-promise-unhandled-silent.js",
+      "test-promise-unhandled-throw-handler.js",
       "test-punycode.js",
       "test-querystring-escape.js",
       "test-querystring-maxKeys-non-finite.js",
@@ -583,9 +589,12 @@
       "test-timers-clear-object-does-not-throw-error.js",
       "test-timers-clear-timeout-interval-equivalent.js",
       "test-timers-clearImmediate.js",
+      "test-timers-interval-throw.js",
       "test-timers-non-integer-delay.js",
       "test-timers-same-timeout-wrong-list-deleted.js",
       "test-timers-timeout-with-non-integer.js",
+      "test-timers-uncaught-exception.js",
+      "test-timers-unref-throw-then-ref.js",
       "test-timers-user-call.js",
       "test-timers-zero-timeout.js",
       "test-url-fileurltopath.js",

node/_tools/test/parallel/test-events-uncaught-exception-stack.js

@@ -0,0 +1,23 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 16.13.0
+// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const EventEmitter = require('events');
+
+// Tests that the error stack where the exception was thrown is *not* appended.
+
+process.on('uncaughtException', common.mustCall((err) => {
+  const lines = err.stack.split('\n');
+  assert.strictEqual(lines[0], 'Error');
+  lines.slice(1).forEach((line) => {
+    assert.match(line, /^    at/);
+  });
+}));
+
+new EventEmitter().emit('error', new Error());

node/_tools/test/parallel/test-exception-handler.js

@@ -0,0 +1,47 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 16.13.0
+// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
+
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+
+const MESSAGE = 'catch me if you can';
+
+process.on('uncaughtException', common.mustCall((e) => {
+  console.log('uncaught exception! 1');
+  assert.strictEqual(MESSAGE, e.message);
+}));
+
+process.on('uncaughtException', common.mustCall((e) => {
+  console.log('uncaught exception! 2');
+  assert.strictEqual(MESSAGE, e.message);
+}));
+
+setTimeout(() => {
+  throw new Error(MESSAGE);
+}, 10);

node/_tools/test/parallel/test-exception-handler2.js

@@ -0,0 +1,43 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 16.13.0
+// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
+
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+
+process.on('uncaughtException', function(err) {
+  console.log(`Caught exception: ${err}`);
+});
+
+setTimeout(common.mustCall(function() {
+  console.log('This will still run.');
+}), 50);
+
+// Intentionally cause an exception, but don't catch it.
+nonexistentFunc(); // eslint-disable-line no-undef
+assert.fail('This will not run.');

node/_tools/test/parallel/test-handle-wrap-close-abort.js

@@ -0,0 +1,44 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 16.13.0
+// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
+
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+const common = require('../common');
+
+process.on('uncaughtException', common.mustCall(2));
+
+setTimeout(function() {
+  process.nextTick(function() {
+    const c = setInterval(function() {
+      clearInterval(c);
+      throw new Error('setInterval');
+    }, 1);
+  });
+  setTimeout(function() {
+    throw new Error('setTimeout');
+  }, 1);
+}, 1);

node/_tools/test/parallel/test-promise-unhandled-silent.js

@@ -0,0 +1,28 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 16.13.0
+// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
+
+// Flags: --unhandled-rejections=none
+'use strict';
+
+const common = require('../common');
+
+// Verify that ignoring unhandled rejection works fine and that no warning is
+// logged.
+
+new Promise(() => {
+  throw new Error('One');
+});
+
+Promise.reject('test');
+
+process.on('warning', common.mustNotCall('warning'));
+process.on('uncaughtException', common.mustNotCall('uncaughtException'));
+process.on('rejectionHandled', common.mustNotCall('rejectionHandled'));
+
+process.on('unhandledRejection', common.mustCall(2));
+
+setTimeout(common.mustCall(), 2);

node/_tools/test/parallel/test-promise-unhandled-throw-handler.js

@@ -0,0 +1,43 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 16.13.0
+// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
+
+// Flags: --unhandled-rejections=throw
+'use strict';
+
+const common = require('../common');
+const Countdown = require('../common/countdown');
+const assert = require('assert');
+
+// Verify that the unhandledRejection handler prevents triggering
+// uncaught exceptions
+
+const err1 = new Error('One');
+
+const errors = [err1, null];
+
+const ref = new Promise(() => {
+  throw err1;
+});
+// Explicitly reject `null`.
+Promise.reject(null);
+
+process.on('warning', common.mustNotCall('warning'));
+process.on('rejectionHandled', common.mustNotCall('rejectionHandled'));
+process.on('exit', assert.strictEqual.bind(null, 0));
+process.on('uncaughtException', common.mustNotCall('uncaughtException'));
+
+const timer = setTimeout(() => console.log(ref), 1000);
+
+const counter = new Countdown(2, () => {
+  clearTimeout(timer);
+});
+
+process.on('unhandledRejection', common.mustCall((err) => {
+  counter.dec();
+  const knownError = errors.shift();
+  assert.deepStrictEqual(err, knownError);
+}, 2));

node/_tools/test/parallel/test-timers-interval-throw.js

@@ -0,0 +1,24 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 16.13.0
+// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
+
+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+
+// To match browser behaviour, interval should continue
+// being rescheduled even if it throws.
+
+let count = 2;
+const interval = setInterval(() => { throw new Error('IntervalError'); }, 1);
+
+process.on('uncaughtException', common.mustCall((err) => {
+  assert.strictEqual(err.message, 'IntervalError');
+  if (--count === 0) {
+    clearInterval(interval);
+  }
+}, 2));

node/_tools/test/parallel/test-timers-uncaught-exception.js

@@ -0,0 +1,46 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 16.13.0
+// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
+
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const errorMsg = 'BAM!';
+
+// The first timer throws...
+setTimeout(common.mustCall(function() {
+  throw new Error(errorMsg);
+}), 1);
+
+// ...but the second one should still run
+setTimeout(common.mustCall(), 1);
+
+function uncaughtException(err) {
+  assert.strictEqual(err.message, errorMsg);
+}
+
+process.on('uncaughtException', common.mustCall(uncaughtException));

node/_tools/test/parallel/test-timers-unref-throw-then-ref.js

@@ -0,0 +1,26 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 16.13.0
+// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+
+process.once('uncaughtException', common.mustCall((err) => {
+  common.expectsError({
+    message: 'Timeout Error'
+  })(err);
+}));
+
+let called = false;
+const t = setTimeout(() => {
+  assert(!called);
+  called = true;
+  t.ref();
+  throw new Error('Timeout Error');
+}, 1).unref();
+
+setTimeout(common.mustCall(), 1);