Node.js v11.13.0

16 files changed, 1106 insertions, 0 deletions

diff --git a/deps/node/deps/node-inspect/test/cli/backtrace.test.js b/deps/node/deps/node-inspect/test/cli/backtrace.test.js
new file mode 100644
index 00000000..127ea56b
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/backtrace.test.js
@@ -0,0 +1,30 @@
+'use strict';
+const Path = require('path');
+
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('display and navigate backtrace', (t) => {
+  const script = Path.join('examples', 'backtrace.js');
+  const cli = startCLI([script]);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.stepCommand('c'))
+    .then(() => cli.command('bt'))
+    .then(() => {
+      t.match(cli.output, `#0 topFn ${script}:7:2`);
+    })
+    .then(() => cli.command('backtrace'))
+    .then(() => {
+      t.match(cli.output, `#0 topFn ${script}:7:2`);
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
diff --git a/deps/node/deps/node-inspect/test/cli/break.test.js b/deps/node/deps/node-inspect/test/cli/break.test.js
new file mode 100644
index 00000000..ce8c8d6d
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/break.test.js
@@ -0,0 +1,195 @@
+'use strict';
+const Path = require('path');
+
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('stepping through breakpoints', (t) => {
+  const script = Path.join('examples', 'break.js');
+  const cli = startCLI([script]);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => {
+      t.match(
+        cli.output,
+        `break in ${script}:1`,
+        'pauses in the first line of the script');
+      t.match(
+        cli.output,
+        /> 1 \(function \([^)]+\) \{ const x = 10;/,
+        'shows the source and marks the current line');
+    })
+    .then(() => cli.stepCommand('n'))
+    .then(() => {
+      t.match(
+        cli.output,
+        `break in ${script}:2`,
+        'pauses in next line of the script');
+      t.match(
+        cli.output,
+        '> 2 let name = \'World\';',
+        'marks the 2nd line');
+    })
+    .then(() => cli.stepCommand('next'))
+    .then(() => {
+      t.match(
+        cli.output,
+        `break in ${script}:3`,
+        'pauses in next line of the script');
+      t.match(
+        cli.output,
+        '> 3 name = \'Robin\';',
+        'marks the 3nd line');
+    })
+    .then(() => cli.stepCommand('cont'))
+    .then(() => {
+      t.match(
+        cli.output,
+        `break in ${script}:10`,
+        'pauses on the next breakpoint');
+      t.match(
+        cli.output,
+        '>10 debugger;',
+        'marks the debugger line');
+    })
+
+    // Prepare additional breakpoints
+    .then(() => cli.command('sb("break.js", 6)'))
+    .then(() => t.notMatch(cli.output, 'Could not resolve breakpoint'))
+    .then(() => cli.command('sb("otherFunction()")'))
+    .then(() => cli.command('sb(16)'))
+    .then(() => t.notMatch(cli.output, 'Could not resolve breakpoint'))
+    .then(() => cli.command('breakpoints'))
+    .then(() => {
+      t.match(cli.output, `#0 ${script}:6`);
+      t.match(cli.output, `#1 ${script}:16`);
+    })
+
+    .then(() => cli.command('list()'))
+    .then(() => {
+      t.match(cli.output, '>10 debugger;', 'prints and marks current line');
+      t.strictDeepEqual(
+        cli.parseSourceLines(),
+        [5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15],
+        'prints 5 lines before and after');
+    })
+    .then(() => cli.command('list(2)'))
+    .then(() => {
+      t.match(cli.output, '>10 debugger;', 'prints and marks current line');
+      t.strictDeepEqual(
+        cli.parseSourceLines(),
+        [8, 9, 10, 11, 12],
+        'prints 2 lines before and after');
+    })
+
+    .then(() => cli.stepCommand('s'))
+    .then(() => cli.stepCommand(''))
+    .then(() => {
+      t.match(
+        cli.output,
+        'break in timers.js',
+        'entered timers.js');
+    })
+    .then(() => cli.stepCommand('cont'))
+    .then(() => {
+      t.match(
+        cli.output,
+        `break in ${script}:16`,
+        'found breakpoint we set above w/ line number only');
+    })
+    .then(() => cli.stepCommand('cont'))
+    .then(() => {
+      t.match(
+        cli.output,
+        `break in ${script}:6`,
+        'found breakpoint we set above w/ line number & script');
+    })
+    .then(() => cli.stepCommand(''))
+    .then(() => {
+      t.match(
+        cli.output,
+        `debugCommand in ${script}:14`,
+        'found function breakpoint we set above');
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
+
+test('sb before loading file', (t) => {
+  const script = Path.join('examples', 'cjs', 'index.js');
+  const otherScript = Path.join('examples', 'cjs', 'other.js');
+  const cli = startCLI([script]);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.command('sb("other.js", 2)'))
+    .then(() => {
+      t.match(
+        cli.output,
+        'not loaded yet',
+        'warns that the script was not loaded yet');
+    })
+    .then(() => cli.stepCommand('cont'))
+    .then(() => {
+      t.match(
+        cli.output,
+        `break in ${otherScript}:2`,
+        'found breakpoint in file that was not loaded yet');
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
+
+test('clearBreakpoint', (t) => {
+  const script = Path.join('examples', 'break.js');
+  const cli = startCLI([script]);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.command('sb("break.js", 3)'))
+    .then(() => cli.command('sb("break.js", 9)'))
+    .then(() => cli.command('breakpoints'))
+    .then(() => {
+      t.match(cli.output, `#0 ${script}:3`);
+      t.match(cli.output, `#1 ${script}:9`);
+    })
+    .then(() => cli.command('clearBreakpoint("break.js", 4)'))
+    .then(() => {
+      t.match(cli.output, 'Could not find breakpoint');
+    })
+    .then(() => cli.command('clearBreakpoint("not-such-script.js", 3)'))
+    .then(() => {
+      t.match(cli.output, 'Could not find breakpoint');
+    })
+    .then(() => cli.command('clearBreakpoint("break.js", 3)'))
+    .then(() => cli.command('breakpoints'))
+    .then(() => {
+      t.match(cli.output, `#0 ${script}:9`);
+    })
+    .then(() => cli.stepCommand('cont'))
+    .then(() => {
+      t.match(
+        cli.output,
+        `break in ${script}:9`,
+        'hits the 2nd breakpoint because the 1st was cleared');
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
diff --git a/deps/node/deps/node-inspect/test/cli/exceptions.test.js b/deps/node/deps/node-inspect/test/cli/exceptions.test.js
new file mode 100644
index 00000000..18b7f185
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/exceptions.test.js
@@ -0,0 +1,68 @@
+'use strict';
+const Path = require('path');
+
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('break on (uncaught) exceptions', (t) => {
+  const script = Path.join('examples', 'exceptions.js');
+  const cli = startCLI([script]);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => {
+      t.match(cli.output, `break in ${script}:1`);
+    })
+    // making sure it will die by default:
+    .then(() => cli.command('c'))
+    // TODO: Remove FATAL ERROR once node doesn't show a FATAL ERROR anymore
+    .then(() => cli.waitFor(/disconnect|FATAL ERROR/))
+
+    // Next run: With `breakOnException` it pauses in both places
+    .then(() => cli.stepCommand('r'))
+    .then(() => cli.waitForInitialBreak())
+    .then(() => {
+      t.match(cli.output, `break in ${script}:1`);
+    })
+    .then(() => cli.command('breakOnException'))
+    .then(() => cli.stepCommand('c'))
+    .then(() => {
+      t.match(cli.output, `exception in ${script}:3`);
+    })
+    .then(() => cli.stepCommand('c'))
+    .then(() => {
+      t.match(cli.output, `exception in ${script}:9`);
+    })
+
+    // Next run: With `breakOnUncaught` it only pauses on the 2nd exception
+    .then(() => cli.command('breakOnUncaught'))
+    .then(() => cli.stepCommand('r')) // also, the setting survives the restart
+    .then(() => cli.waitForInitialBreak())
+    .then(() => {
+      t.match(cli.output, `break in ${script}:1`);
+    })
+    .then(() => cli.stepCommand('c'))
+    .then(() => {
+      t.match(cli.output, `exception in ${script}:9`);
+    })
+
+    // Next run: Back to the initial state! It should die again.
+    .then(() => cli.command('breakOnNone'))
+    .then(() => cli.stepCommand('r'))
+    .then(() => cli.waitForInitialBreak())
+    .then(() => {
+      t.match(cli.output, `break in ${script}:1`);
+    })
+    .then(() => cli.command('c'))
+    // TODO: Remove FATAL ERROR once node doesn't show a FATAL ERROR anymore
+    .then(() => cli.waitFor(/disconnect|FATAL ERROR/))
+
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
diff --git a/deps/node/deps/node-inspect/test/cli/exec.test.js b/deps/node/deps/node-inspect/test/cli/exec.test.js
new file mode 100644
index 00000000..acfd6e34
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/exec.test.js
@@ -0,0 +1,77 @@
+'use strict';
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('examples/alive.js', (t) => {
+  const cli = startCLI(['examples/alive.js']);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.command('exec [typeof heartbeat, typeof process.exit]'))
+    .then(() => {
+      t.match(cli.output, '[ \'function\', \'function\' ]', 'works w/o paren');
+    })
+    .then(() => cli.command('repl'))
+    .then(() => {
+      t.match(
+        cli.output,
+        'Press Ctrl + C to leave debug repl\n> ',
+        'shows hint for how to leave repl');
+      t.notMatch(cli.output, 'debug>', 'changes the repl style');
+    })
+    .then(() => cli.command('[typeof heartbeat, typeof process.exit]'))
+    .then(() => cli.waitFor(/function/))
+    .then(() => cli.waitForPrompt())
+    .then(() => {
+      t.match(
+        cli.output,
+        '[ \'function\', \'function\' ]', 'can evaluate in the repl');
+      t.match(cli.output, /> $/);
+    })
+    .then(() => cli.ctrlC())
+    .then(() => cli.waitFor(/debug> $/))
+    .then(() => cli.command('exec("[typeof heartbeat, typeof process.exit]")'))
+    .then(() => {
+      t.match(cli.output, '[ \'function\', \'function\' ]', 'works w/ paren');
+    })
+    .then(() => cli.command('cont'))
+    .then(() => cli.command('exec [typeof heartbeat, typeof process.exit]'))
+    .then(() => {
+      t.match(
+        cli.output,
+        '[ \'undefined\', \'function\' ]',
+        'non-paused exec can see global but not module-scope values');
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
+
+test('exec .scope', (t) => {
+  const cli = startCLI(['examples/backtrace.js']);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.stepCommand('c'))
+    .then(() => cli.command('exec .scope'))
+    .then(() => {
+      t.match(
+        cli.output,
+        '\'moduleScoped\'', 'displays closure from module body');
+      t.match(cli.output, '\'a\'', 'displays local / function arg');
+      t.match(cli.output, '\'l1\'', 'displays local scope');
+      t.notMatch(cli.output, '\'encodeURIComponent\'', 'omits global scope');
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
diff --git a/deps/node/deps/node-inspect/test/cli/heap-profiler.test.js b/deps/node/deps/node-inspect/test/cli/heap-profiler.test.js
new file mode 100644
index 00000000..ebd734e0
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/heap-profiler.test.js
@@ -0,0 +1,34 @@
+'use strict';
+const { test } = require('tap');
+const { readFileSync, unlinkSync } = require('fs');
+
+const startCLI = require('./start-cli');
+const filename = 'node.heapsnapshot';
+
+function cleanup() {
+  try {
+    unlinkSync(filename);
+  } catch (_) {
+    // Ignore.
+  }
+}
+
+cleanup();
+
+test('Heap profiler take snapshot', (t) => {
+  const cli = startCLI(['examples/empty.js']);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  // Check that the snapshot is valid JSON.
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.command('takeHeapSnapshot()'))
+    .then(() => JSON.parse(readFileSync(filename, 'utf8')))
+    .then(() => cleanup())
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
diff --git a/deps/node/deps/node-inspect/test/cli/help.test.js b/deps/node/deps/node-inspect/test/cli/help.test.js
new file mode 100644
index 00000000..9f0c081b
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/help.test.js
@@ -0,0 +1,22 @@
+'use strict';
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('examples/empty.js', (t) => {
+  const cli = startCLI(['examples/empty.js']);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.command('help'))
+    .then(() => {
+      t.match(cli.output, /run, restart, r\s+/m);
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
diff --git a/deps/node/deps/node-inspect/test/cli/invalid-args.test.js b/deps/node/deps/node-inspect/test/cli/invalid-args.test.js
new file mode 100644
index 00000000..c1aaeb6a
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/invalid-args.test.js
@@ -0,0 +1,54 @@
+'use strict';
+const Path = require('path');
+const { createServer } = require('net');
+
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('launch CLI w/o args', (t) => {
+  const cli = startCLI([]);
+  return cli.quit()
+    .then((code) => {
+      t.equal(code, 1, 'exits with non-zero exit code');
+      t.match(cli.output, /^Usage:/, 'Prints usage info');
+    });
+});
+
+test('launch w/ invalid host:port', (t) => {
+  const cli = startCLI(['localhost:914']);
+  return cli.quit()
+    .then((code) => {
+      t.match(
+        cli.output,
+        'failed to connect',
+        'Tells the user that the connection failed');
+      t.equal(code, 1, 'exits with non-zero exit code');
+    });
+});
+
+test('launch w/ unavailable port', async (t) => {
+  const blocker = createServer((socket) => socket.end());
+  const port = await new Promise((resolve, reject) => {
+    blocker.on('error', reject);
+    blocker.listen(0, '127.0.0.1', () => resolve(blocker.address().port));
+  });
+
+  try {
+    const script = Path.join('examples', 'three-lines.js');
+    const cli = startCLI([`--port=${port}`, script]);
+    const code = await cli.quit();
+
+    t.notMatch(
+      cli.output,
+      'report this bug',
+      'Omits message about reporting this as a bug');
+    t.match(
+      cli.output,
+      `waiting for 127.0.0.1:${port} to be free`,
+      'Tells the user that the port wasn\'t available');
+    t.equal(code, 1, 'exits with non-zero exit code');
+  } finally {
+    blocker.close();
+  }
+});
diff --git a/deps/node/deps/node-inspect/test/cli/launch.test.js b/deps/node/deps/node-inspect/test/cli/launch.test.js
new file mode 100644
index 00000000..8808d47a
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/launch.test.js
@@ -0,0 +1,176 @@
+'use strict';
+const Path = require('path');
+
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('custom port', (t) => {
+  const CUSTOM_PORT = '9230';
+  const script = Path.join('examples', 'three-lines.js');
+
+  const cli = startCLI([`--port=${CUSTOM_PORT}`, script]);
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => {
+      t.match(cli.output, 'debug>', 'prints a prompt');
+      t.match(
+        cli.output,
+        new RegExp(`< Debugger listening on [^\n]*${CUSTOM_PORT}`),
+        'forwards child output');
+    })
+    .then(() => cli.quit())
+    .then((code) => {
+      t.equal(code, 0, 'exits with success');
+    });
+});
+
+test('random port', (t) => {
+  const script = Path.join('examples', 'three-lines.js');
+
+  const cli = startCLI(['--port=0', script]);
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => {
+      t.match(cli.output, 'debug>', 'prints a prompt');
+      t.match(
+        cli.output,
+        /< Debugger listening on /,
+        'forwards child output');
+    })
+    .then(() => cli.quit())
+    .then((code) => {
+      t.equal(code, 0, 'exits with success');
+    });
+});
+
+test('random port with --inspect-port=0', (t) => {
+  const script = Path.join('examples', 'three-lines.js');
+
+  const cli = startCLI([script], ['--inspect-port=0']);
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => {
+      t.match(cli.output, 'debug>', 'prints a prompt');
+      t.match(
+        cli.output,
+        /< Debugger listening on /,
+        'forwards child output');
+    })
+    .then(() => cli.quit())
+    .then((code) => {
+      t.equal(code, 0, 'exits with success');
+    });
+});
+
+test('examples/three-lines.js', (t) => {
+  const script = Path.join('examples', 'three-lines.js');
+  const cli = startCLI([script]);
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => {
+      t.match(cli.output, 'debug>', 'prints a prompt');
+      t.match(
+        cli.output,
+        /< Debugger listening on [^\n]*9229/,
+        'forwards child output');
+    })
+    .then(() => cli.command('["hello", "world"].join(" ")'))
+    .then(() => {
+      t.match(cli.output, 'hello world', 'prints the result');
+    })
+    .then(() => cli.command(''))
+    .then(() => {
+      t.match(cli.output, 'hello world', 'repeats the last command on <enter>');
+    })
+    .then(() => cli.command('version'))
+    .then(() => {
+      t.match(cli.output, process.versions.v8, 'version prints the v8 version');
+    })
+    .then(() => cli.quit())
+    .then((code) => {
+      t.equal(code, 0, 'exits with success');
+    });
+});
+
+test('run after quit / restart', (t) => {
+  const script = Path.join('examples', 'three-lines.js');
+  const cli = startCLI([script]);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.stepCommand('n'))
+    .then(() => {
+      t.match(
+        cli.output,
+        `break in ${script}:2`,
+        'steps to the 2nd line');
+    })
+    .then(() => cli.command('cont'))
+    .then(() => cli.waitFor(/disconnect/))
+    .then(() => {
+      t.match(
+        cli.output,
+        'Waiting for the debugger to disconnect',
+        'the child was done');
+    })
+    .then(() => {
+      // On windows the socket won't close by itself
+      return cli.command('kill');
+    })
+    .then(() => cli.command('cont'))
+    .then(() => cli.waitFor(/start the app/))
+    .then(() => {
+      t.match(cli.output, 'Use `run` to start the app again');
+    })
+    .then(() => cli.stepCommand('run'))
+    .then(() => cli.waitForInitialBreak())
+    .then(() => cli.waitForPrompt())
+    .then(() => {
+      t.match(
+        cli.output,
+        `break in ${script}:1`,
+        'is back at the beginning');
+    })
+    .then(() => cli.stepCommand('n'))
+    .then(() => {
+      t.match(
+        cli.output,
+        `break in ${script}:2`,
+        'steps to the 2nd line');
+    })
+    .then(() => cli.stepCommand('restart'))
+    .then(() => cli.waitForInitialBreak())
+    .then(() => {
+      t.match(
+        cli.output,
+        `break in ${script}:1`,
+        'is back at the beginning');
+    })
+    .then(() => cli.command('kill'))
+    .then(() => cli.command('cont'))
+    .then(() => cli.waitFor(/start the app/))
+    .then(() => {
+      t.match(cli.output, 'Use `run` to start the app again');
+    })
+    .then(() => cli.stepCommand('run'))
+    .then(() => cli.waitForInitialBreak())
+    .then(() => cli.waitForPrompt())
+    .then(() => {
+      t.match(
+        cli.output,
+        `break in ${script}:1`,
+        'is back at the beginning');
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
diff --git a/deps/node/deps/node-inspect/test/cli/low-level.test.js b/deps/node/deps/node-inspect/test/cli/low-level.test.js
new file mode 100644
index 00000000..77e3fc2b
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/low-level.test.js
@@ -0,0 +1,34 @@
+'use strict';
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('Debugger agent direct access', (t) => {
+  const cli = startCLI(['examples/three-lines.js']);
+  const scriptPattern = /^\* (\d+): examples(?:\/|\\)three-lines.js/;
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.command('scripts'))
+    .then(() => {
+      const [, scriptId] = cli.output.match(scriptPattern);
+      return cli.command(
+        `Debugger.getScriptSource({ scriptId: '${scriptId}' })`
+      );
+    })
+    .then(() => {
+      t.match(
+        cli.output,
+        /scriptSource: '\(function \(/);
+      t.match(
+        cli.output,
+        /let x = 1;/);
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
diff --git a/deps/node/deps/node-inspect/test/cli/pid.test.js b/deps/node/deps/node-inspect/test/cli/pid.test.js
new file mode 100644
index 00000000..15d7fdea
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/pid.test.js
@@ -0,0 +1,52 @@
+'use strict';
+const { spawn } = require('child_process');
+const Path = require('path');
+
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+function launchTarget(...args) {
+  const childProc = spawn(process.execPath, args);
+  return Promise.resolve(childProc);
+}
+
+// process.debugPort is our proxy for "the version of node used to run this
+// test suite doesn't support SIGUSR1 for enabling --inspect for a process".
+const defaultsToOldProtocol = process.debugPort === 5858;
+
+test('examples/alive.js', { skip: defaultsToOldProtocol }, (t) => {
+  const script = Path.join('examples', 'alive.js');
+  let cli = null;
+  let target = null;
+
+  function cleanup(error) {
+    if (cli) {
+      cli.quit();
+      cli = null;
+    }
+    if (target) {
+      target.kill();
+      target = null;
+    }
+    if (error) throw error;
+  }
+
+  return launchTarget(script)
+    .then((childProc) => {
+      target = childProc;
+      cli = startCLI(['-p', `${target.pid}`]);
+      return cli.waitForPrompt();
+    })
+    .then(() => cli.command('sb("alive.js", 3)'))
+    .then(() => cli.waitFor(/break/))
+    .then(() => cli.waitForPrompt())
+    .then(() => {
+      t.match(
+        cli.output,
+        '> 3   ++x;',
+        'marks the 3rd line');
+    })
+    .then(() => cleanup())
+    .then(null, cleanup);
+});
diff --git a/deps/node/deps/node-inspect/test/cli/preserve-breaks.test.js b/deps/node/deps/node-inspect/test/cli/preserve-breaks.test.js
new file mode 100644
index 00000000..94f61408
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/preserve-breaks.test.js
@@ -0,0 +1,64 @@
+'use strict';
+const Path = require('path');
+
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('run after quit / restart', (t) => {
+  const script = Path.join('examples', 'three-lines.js');
+  const cli = startCLI([script]);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.command('breakpoints'))
+    .then(() => {
+      t.match(cli.output, 'No breakpoints yet');
+    })
+    .then(() => cli.command('sb(2)'))
+    .then(() => cli.command('sb(3)'))
+    .then(() => cli.command('breakpoints'))
+    .then(() => {
+      t.match(cli.output, `#0 ${script}:2`);
+      t.match(cli.output, `#1 ${script}:3`);
+    })
+    .then(() => cli.stepCommand('c')) // hit line 2
+    .then(() => cli.stepCommand('c')) // hit line 3
+    .then(() => {
+      t.match(cli.output, `break in ${script}:3`);
+    })
+    .then(() => cli.command('restart'))
+    .then(() => cli.waitForInitialBreak())
+    .then(() => {
+      t.match(cli.output, `break in ${script}:1`);
+    })
+    .then(() => cli.stepCommand('c'))
+    .then(() => {
+      t.match(cli.output, `break in ${script}:2`);
+    })
+    .then(() => cli.stepCommand('c'))
+    .then(() => {
+      t.match(cli.output, `break in ${script}:3`);
+    })
+    .then(() => cli.command('breakpoints'))
+    .then(() => {
+      if (process.platform === 'aix') {
+        // TODO: There is a known issue on AIX where the breakpoints aren't
+        // properly resolved yet when we reach this point.
+        // Eventually that should be figured out but for now we don't want
+        // to fail builds because of it.
+        t.match(cli.output, /#0 [^\n]+three-lines\.js\$?:2/);
+        t.match(cli.output, /#1 [^\n]+three-lines\.js\$?:3/);
+      } else {
+        t.match(cli.output, `#0 ${script}:2`);
+        t.match(cli.output, `#1 ${script}:3`);
+      }
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
diff --git a/deps/node/deps/node-inspect/test/cli/profile.test.js b/deps/node/deps/node-inspect/test/cli/profile.test.js
new file mode 100644
index 00000000..0f900c5a
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/profile.test.js
@@ -0,0 +1,32 @@
+'use strict';
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+function delay(ms) {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}
+
+test('profiles', (t) => {
+  const cli = startCLI(['examples/empty.js']);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.command('exec console.profile()'))
+    .then(() => {
+      t.match(cli.output, 'undefined');
+    })
+    .then(() => cli.command('exec console.profileEnd()'))
+    .then(() => delay(250))
+    .then(() => {
+      t.match(cli.output, 'undefined');
+      t.match(cli.output, 'Captured new CPU profile.');
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
diff --git a/deps/node/deps/node-inspect/test/cli/scripts.test.js b/deps/node/deps/node-inspect/test/cli/scripts.test.js
new file mode 100644
index 00000000..1546b804
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/scripts.test.js
@@ -0,0 +1,43 @@
+'use strict';
+const Path = require('path');
+
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('list scripts', (t) => {
+  const script = Path.join('examples', 'three-lines.js');
+  const cli = startCLI([script]);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.command('scripts'))
+    .then(() => {
+      t.match(
+        cli.output,
+        /^\* \d+: examples(?:\/|\\)three-lines\.js/,
+        'lists the user script');
+      t.notMatch(
+        cli.output,
+        /\d+: module\.js <native>/,
+        'omits node-internal scripts');
+    })
+    .then(() => cli.command('scripts(true)'))
+    .then(() => {
+      t.match(
+        cli.output,
+        /\* \d+: examples(?:\/|\\)three-lines\.js/,
+        'lists the user script');
+      t.match(
+        cli.output,
+        /\d+: module\.js <native>/,
+        'includes node-internal scripts');
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
diff --git a/deps/node/deps/node-inspect/test/cli/start-cli.js b/deps/node/deps/node-inspect/test/cli/start-cli.js
new file mode 100644
index 00000000..b086dcd8
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/start-cli.js
@@ -0,0 +1,156 @@
+'use strict';
+const spawn = require('child_process').spawn;
+
+// This allows us to keep the helper inside of `test/` without tap warning
+// about "pending" test files.
+const tap = require('tap');
+tap.test('startCLI', (t) => t.end());
+
+const CLI =
+  process.env.USE_EMBEDDED_NODE_INSPECT === '1' ?
+  'inspect' :
+  require.resolve('../../cli.js');
+
+const BREAK_MESSAGE = new RegExp('(?:' + [
+  'assert', 'break', 'break on start', 'debugCommand',
+  'exception', 'other', 'promiseRejection',
+].join('|') + ') in', 'i');
+
+function startCLI(args, flags = []) {
+  const child = spawn(process.execPath, [...flags, CLI, ...args]);
+  let isFirstStdoutChunk = true;
+
+  const outputBuffer = [];
+  function bufferOutput(chunk) {
+    if (isFirstStdoutChunk) {
+      isFirstStdoutChunk = false;
+      outputBuffer.push(chunk.replace(/^debug>\s*/, ''));
+    } else {
+      outputBuffer.push(chunk);
+    }
+  }
+
+  function getOutput() {
+    return outputBuffer.join('').toString()
+      .replace(/^[^\n]*?[\b]/mg, '');
+  }
+
+  child.stdout.setEncoding('utf8');
+  child.stdout.on('data', bufferOutput);
+  child.stderr.setEncoding('utf8');
+  child.stderr.on('data', bufferOutput);
+
+  if (process.env.VERBOSE === '1') {
+    child.stdout.pipe(process.stderr);
+    child.stderr.pipe(process.stderr);
+  }
+
+  return {
+    flushOutput() {
+      const output = this.output;
+      outputBuffer.length = 0;
+      return output;
+    },
+
+    waitFor(pattern, timeout = 2000) {
+      function checkPattern(str) {
+        if (Array.isArray(pattern)) {
+          return pattern.every((p) => p.test(str));
+        }
+        return pattern.test(str);
+      }
+
+      return new Promise((resolve, reject) => {
+        function checkOutput() {
+          if (checkPattern(getOutput())) {
+            tearDown(); // eslint-disable-line no-use-before-define
+            resolve();
+          }
+        }
+
+        function onChildExit() {
+          tearDown(); // eslint-disable-line no-use-before-define
+          reject(new Error(
+            `Child quit while waiting for ${pattern}; found: ${this.output}`));
+        }
+
+        const timer = setTimeout(() => {
+          tearDown(); // eslint-disable-line no-use-before-define
+          reject(new Error([
+            `Timeout (${timeout}) while waiting for ${pattern}`,
+            `found: ${this.output}`,
+          ].join('; ')));
+        }, timeout);
+
+        function tearDown() {
+          clearTimeout(timer);
+          child.stdout.removeListener('data', checkOutput);
+          child.removeListener('exit', onChildExit);
+        }
+
+        child.on('exit', onChildExit);
+        child.stdout.on('data', checkOutput);
+        checkOutput();
+      });
+    },
+
+    waitForPrompt(timeout = 2000) {
+      return this.waitFor(/>\s+$/, timeout);
+    },
+
+    waitForInitialBreak(timeout = 2000) {
+      return this.waitFor(/break (?:on start )?in/i, timeout)
+        .then(() => {
+          if (/Break on start/.test(this.output)) {
+            return this.command('next', false)
+              .then(() => this.waitFor(/break in/, timeout));
+          }
+        });
+    },
+
+    ctrlC() {
+      return this.command('.interrupt');
+    },
+
+    get output() {
+      return getOutput();
+    },
+
+    get rawOutput() {
+      return outputBuffer.join('').toString();
+    },
+
+    parseSourceLines() {
+      return getOutput().split('\n')
+        .map((line) => line.match(/(?:\*|>)?\s*(\d+)/))
+        .filter((match) => match !== null)
+        .map((match) => +match[1]);
+    },
+
+    command(input, flush = true) {
+      if (flush) {
+        this.flushOutput();
+      }
+      child.stdin.write(input);
+      child.stdin.write('\n');
+      return this.waitForPrompt();
+    },
+
+    stepCommand(input) {
+      this.flushOutput();
+      child.stdin.write(input);
+      child.stdin.write('\n');
+      return this
+        .waitFor(BREAK_MESSAGE)
+        .then(() => this.waitForPrompt());
+    },
+
+    quit() {
+      return new Promise((resolve) => {
+        child.stdin.end();
+        child.on('exit', resolve);
+      });
+    },
+  };
+}
+module.exports = startCLI;
diff --git a/deps/node/deps/node-inspect/test/cli/use-strict.test.js b/deps/node/deps/node-inspect/test/cli/use-strict.test.js
new file mode 100644
index 00000000..780802a5
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/use-strict.test.js
@@ -0,0 +1,27 @@
+'use strict';
+const Path = require('path');
+
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('for whiles that starts with strict directive', (t) => {
+  const script = Path.join('examples', 'use-strict.js');
+  const cli = startCLI([script]);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => {
+      t.match(
+        cli.output,
+        /break in [^:]+:(?:1|2)[^\d]/,
+        'pauses either on strict directive or first "real" line');
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});
diff --git a/deps/node/deps/node-inspect/test/cli/watchers.test.js b/deps/node/deps/node-inspect/test/cli/watchers.test.js
new file mode 100644
index 00000000..46bcde19
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/watchers.test.js
@@ -0,0 +1,42 @@
+'use strict';
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('stepping through breakpoints', (t) => {
+  const cli = startCLI(['examples/break.js']);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.command('watch("x")'))
+    .then(() => cli.command('watch("\\"Hello\\"")'))
+    .then(() => cli.command('watch("42")'))
+    .then(() => cli.command('watch("NaN")'))
+    .then(() => cli.command('watch("true")'))
+    .then(() => cli.command('watch("[1, 2]")'))
+    .then(() => cli.command('watch("process.env")'))
+    .then(() => cli.command('watchers'))
+    .then(() => {
+      t.match(cli.output, 'x is not defined');
+    })
+    .then(() => cli.command('unwatch("42")'))
+    .then(() => cli.stepCommand('n'))
+    .then(() => {
+      t.match(cli.output, '0: x = 10');
+      t.match(cli.output, '1: "Hello" = \'Hello\'');
+      t.match(cli.output, '2: NaN = NaN');
+      t.match(cli.output, '3: true = true');
+      t.match(cli.output, '4: [1, 2] = [ 1, 2 ]');
+      t.match(
+        cli.output,
+        /5: process\.env =\n\s+\{[\s\S]+,\n\s+\.\.\. \}/,
+        'shows "..." for process.env');
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});