test: split heap prof tests

The original heap prof tests can take too long to complete on
azure Windows machines, resulting in timeouts. Split them into
smaller tests and move them into the parallel directory to
speed up the execution.

PR-URL: https://github.com/nodejs/node/pull/44388
Refs: https://github.com/nodejs/reliability/issues/356
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

test/common/prof.js

@@ -0,0 +1,67 @@
+'use strict';
+
+const assert = require('assert');
+const fs = require('fs');
+const path = require('path');
+
+function getHeapProfiles(dir) {
+  const list = fs.readdirSync(dir);
+  return list
+    .filter((file) => file.endsWith('.heapprofile'))
+    .map((file) => path.join(dir, file));
+}
+
+function findFirstFrameInNode(root, func) {
+  const first = root.children.find(
+    (child) => child.callFrame.functionName === func
+  );
+  if (first) {
+    return first;
+  }
+  for (const child of root.children) {
+    const first = findFirstFrameInNode(child, func);
+    if (first) {
+      return first;
+    }
+  }
+  return undefined;
+}
+
+function findFirstFrame(file, func) {
+  const data = fs.readFileSync(file, 'utf8');
+  const profile = JSON.parse(data);
+  const first = findFirstFrameInNode(profile.head, func);
+  return { frame: first, roots: profile.head.children };
+}
+
+function verifyFrames(output, file, func) {
+  const { frame, roots } = findFirstFrame(file, func);
+  if (!frame) {
+    // Show native debug output and the profile for debugging.
+    console.log(output.stderr.toString());
+    console.log(roots);
+  }
+  assert.notStrictEqual(frame, undefined);
+}
+
+// We need to set --heap-prof-interval to a small enough value to make
+// sure we can find our workload in the samples, so we need to set
+// TEST_ALLOCATION > kHeapProfInterval.
+const kHeapProfInterval = 128;
+const TEST_ALLOCATION = kHeapProfInterval * 2;
+
+const env = {
+  ...process.env,
+  TEST_ALLOCATION,
+  NODE_DEBUG_NATIVE: 'INSPECTOR_PROFILER'
+};
+
+// TODO(joyeecheung): share the fixutres with v8 coverage tests
+module.exports = {
+  getHeapProfiles,
+  verifyFrames,
+  findFirstFrame,
+  kHeapProfInterval,
+  TEST_ALLOCATION,
+  env
+};

test/parallel/test-heap-prof-basic.js

@@ -0,0 +1,37 @@
+'use strict';
+
+// Tests --heap-prof without --heap-prof-interval. Here we just verify that
+// we manage to generate a profile.
+
+const common = require('../common');
+
+const fixtures = require('../common/fixtures');
+common.skipIfInspectorDisabled();
+
+const assert = require('assert');
+const { spawnSync } = require('child_process');
+
+const tmpdir = require('../common/tmpdir');
+
+const {
+  getHeapProfiles,
+  env
+} = require('../common/prof');
+
+{
+  tmpdir.refresh();
+  const output = spawnSync(process.execPath, [
+    '--heap-prof',
+    fixtures.path('workload', 'allocation.js'),
+  ], {
+    cwd: tmpdir.path,
+    env
+  });
+  if (output.status !== 0) {
+    console.log(output.stderr.toString());
+    console.log(output);
+  }
+  assert.strictEqual(output.status, 0);
+  const profiles = getHeapProfiles(tmpdir.path);
+  assert.strictEqual(profiles.length, 1);
+}

test/parallel/test-heap-prof-dir-absolute.js

@@ -0,0 +1,47 @@
+'use strict';
+
+// This tests that --heap-prof, --heap-prof-dir and --heap-prof-name works.
+
+const common = require('../common');
+
+const fixtures = require('../common/fixtures');
+common.skipIfInspectorDisabled();
+
+const assert = require('assert');
+const fs = require('fs');
+const path = require('path');
+const { spawnSync } = require('child_process');
+
+const tmpdir = require('../common/tmpdir');
+
+const {
+  getHeapProfiles,
+  verifyFrames,
+  kHeapProfInterval,
+  env
+} = require('../common/prof');
+
+// Tests absolute --heap-prof-dir
+{
+  tmpdir.refresh();
+  const dir = path.join(tmpdir.path, 'prof');
+  const output = spawnSync(process.execPath, [
+    '--heap-prof',
+    '--heap-prof-dir',
+    dir,
+    '--heap-prof-interval',
+    kHeapProfInterval,
+    fixtures.path('workload', 'allocation.js'),
+  ], {
+    cwd: tmpdir.path,
+    env
+  });
+  if (output.status !== 0) {
+    console.log(output.stderr.toString());
+  }
+  assert.strictEqual(output.status, 0);
+  assert(fs.existsSync(dir));
+  const profiles = getHeapProfiles(dir);
+  assert.strictEqual(profiles.length, 1);
+  verifyFrames(output, profiles[0], 'runAllocation');
+}

test/parallel/test-heap-prof-dir-name.js

@@ -0,0 +1,49 @@
+'use strict';
+
+// Tests --heap-prof-dir and --heap-prof-name work together.
+
+const common = require('../common');
+
+const fixtures = require('../common/fixtures');
+common.skipIfInspectorDisabled();
+
+const assert = require('assert');
+const fs = require('fs');
+const path = require('path');
+const { spawnSync } = require('child_process');
+
+const tmpdir = require('../common/tmpdir');
+
+const {
+  getHeapProfiles,
+  verifyFrames,
+  kHeapProfInterval,
+  env
+} = require('../common/prof');
+
+{
+  tmpdir.refresh();
+  const dir = path.join(tmpdir.path, 'prof');
+  const file = path.join(dir, 'test.heapprofile');
+  const output = spawnSync(process.execPath, [
+    '--heap-prof',
+    '--heap-prof-name',
+    'test.heapprofile',
+    '--heap-prof-dir',
+    dir,
+    '--heap-prof-interval',
+    kHeapProfInterval,
+    fixtures.path('workload', 'allocation.js'),
+  ], {
+    cwd: tmpdir.path,
+    env
+  });
+  if (output.status !== 0) {
+    console.log(output.stderr.toString());
+  }
+  assert.strictEqual(output.status, 0);
+  assert(fs.existsSync(dir));
+  const profiles = getHeapProfiles(dir);
+  assert.deepStrictEqual(profiles, [file]);
+  verifyFrames(output, file, 'runAllocation');
+}

test/parallel/test-heap-prof-dir-relative.js

@@ -0,0 +1,46 @@
+'use strict';
+
+// Tests relative --heap-prof-dir works.
+
+const common = require('../common');
+
+const fixtures = require('../common/fixtures');
+common.skipIfInspectorDisabled();
+
+const assert = require('assert');
+const fs = require('fs');
+const path = require('path');
+const { spawnSync } = require('child_process');
+
+const tmpdir = require('../common/tmpdir');
+
+const {
+  getHeapProfiles,
+  verifyFrames,
+  kHeapProfInterval,
+  env
+} = require('../common/prof');
+
+{
+  tmpdir.refresh();
+  const output = spawnSync(process.execPath, [
+    '--heap-prof',
+    '--heap-prof-dir',
+    'prof',
+    '--heap-prof-interval',
+    kHeapProfInterval,
+    fixtures.path('workload', 'allocation.js'),
+  ], {
+    cwd: tmpdir.path,
+    env
+  });
+  if (output.status !== 0) {
+    console.log(output.stderr.toString());
+  }
+  assert.strictEqual(output.status, 0);
+  const dir = path.join(tmpdir.path, 'prof');
+  assert(fs.existsSync(dir));
+  const profiles = getHeapProfiles(dir);
+  assert.strictEqual(profiles.length, 1);
+  verifyFrames(output, profiles[0], 'runAllocation');
+}

test/parallel/test-heap-prof-exec-argv.js

@@ -0,0 +1,39 @@
+'use strict';
+
+// Tests --heap-prof generates a heap profile from worker
+// when execArgv is set.
+
+const common = require('../common');
+
+const fixtures = require('../common/fixtures');
+common.skipIfInspectorDisabled();
+
+const assert = require('assert');
+const { spawnSync } = require('child_process');
+
+const tmpdir = require('../common/tmpdir');
+
+const {
+  getHeapProfiles,
+  verifyFrames,
+} = require('../common/prof');
+
+{
+  tmpdir.refresh();
+  const output = spawnSync(process.execPath, [
+    fixtures.path('workload', 'allocation-worker-argv.js'),
+  ], {
+    cwd: tmpdir.path,
+    env: {
+      ...process.env,
+      HEAP_PROF_INTERVAL: '128'
+    }
+  });
+  if (output.status !== 0) {
+    console.log(output.stderr.toString());
+  }
+  assert.strictEqual(output.status, 0);
+  const profiles = getHeapProfiles(tmpdir.path);
+  assert.strictEqual(profiles.length, 1);
+  verifyFrames(output, profiles[0], 'runAllocation');
+}

test/parallel/test-heap-prof-exit.js

@@ -0,0 +1,41 @@
+'use strict';
+
+// Tests --heap-prof generates a heap profile when process.exit(55) exits
+// process.
+
+const common = require('../common');
+
+const fixtures = require('../common/fixtures');
+common.skipIfInspectorDisabled();
+
+const assert = require('assert');
+const { spawnSync } = require('child_process');
+
+const tmpdir = require('../common/tmpdir');
+
+const {
+  getHeapProfiles,
+  verifyFrames,
+  kHeapProfInterval,
+  env
+} = require('../common/prof');
+
+{
+  tmpdir.refresh();
+  const output = spawnSync(process.execPath, [
+    '--heap-prof',
+    '--heap-prof-interval',
+    kHeapProfInterval,
+    fixtures.path('workload', 'allocation-exit.js'),
+  ], {
+    cwd: tmpdir.path,
+    env
+  });
+  if (output.status !== 55) {
+    console.log(output.stderr.toString());
+  }
+  assert.strictEqual(output.status, 55);
+  const profiles = getHeapProfiles(tmpdir.path);
+  assert.strictEqual(profiles.length, 1);
+  verifyFrames(output, profiles[0], 'runAllocation');
+}

test/parallel/test-heap-prof-interval.js

@@ -0,0 +1,56 @@
+'use strict';
+
+// Tests multiple profiles generated by --heap-prof-interval are valid.
+
+const common = require('../common');
+
+const fixtures = require('../common/fixtures');
+common.skipIfInspectorDisabled();
+
+const assert = require('assert');
+const fs = require('fs');
+const path = require('path');
+const { spawnSync } = require('child_process');
+
+const tmpdir = require('../common/tmpdir');
+
+const {
+  getHeapProfiles,
+  findFirstFrame,
+  kHeapProfInterval,
+  env
+} = require('../common/prof');
+
+{
+  tmpdir.refresh();
+  const output = spawnSync(process.execPath, [
+    '--heap-prof-interval',
+    kHeapProfInterval,
+    '--heap-prof-dir',
+    'prof',
+    '--heap-prof',
+    fixtures.path('workload', 'allocation-worker.js'),
+  ], {
+    cwd: tmpdir.path,
+    env
+  });
+  if (output.status !== 0) {
+    console.log(output.stderr.toString());
+  }
+  assert.strictEqual(output.status, 0);
+  const dir = path.join(tmpdir.path, 'prof');
+  assert(fs.existsSync(dir));
+  const profiles = getHeapProfiles(dir);
+  assert.strictEqual(profiles.length, 2);
+  const profile1 = findFirstFrame(profiles[0], 'runAllocation');
+  const profile2 = findFirstFrame(profiles[1], 'runAllocation');
+  if (!profile1.frame && !profile2.frame) {
+    // Show native debug output and the profile for debugging.
+    console.log(output.stderr.toString());
+    console.log('heap path: ', profiles[0]);
+    console.log(profile1.roots);
+    console.log('heap path: ', profiles[1]);
+    console.log(profile2.roots);
+  }
+  assert(profile1.frame || profile2.frame);
+}

test/parallel/test-heap-prof-invalid-args.js

@@ -0,0 +1,82 @@
+'use strict';
+
+// Tests invalid --heap-prof CLI arguments.
+
+const common = require('../common');
+
+const fixtures = require('../common/fixtures');
+common.skipIfInspectorDisabled();
+
+const assert = require('assert');
+const { spawnSync } = require('child_process');
+
+const tmpdir = require('../common/tmpdir');
+
+const {
+  kHeapProfInterval,
+  env
+} = require('../common/prof');
+
+// Tests --heap-prof-name without --heap-prof.
+{
+  tmpdir.refresh();
+  const output = spawnSync(process.execPath, [
+    '--heap-prof-name',
+    'test.heapprofile',
+    fixtures.path('workload', 'allocation.js'),
+  ], {
+    cwd: tmpdir.path,
+    env
+  });
+  const stderr = output.stderr.toString().trim();
+  if (output.status !== 9) {
+    console.log(stderr);
+  }
+  assert.strictEqual(output.status, 9);
+  assert.strictEqual(
+    stderr,
+    `${process.execPath}: --heap-prof-name must be used with --heap-prof`);
+}
+
+// Tests --heap-prof-dir without --heap-prof.
+{
+  tmpdir.refresh();
+  const output = spawnSync(process.execPath, [
+    '--heap-prof-dir',
+    'prof',
+    fixtures.path('workload', 'allocation.js'),
+  ], {
+    cwd: tmpdir.path,
+    env
+  });
+  const stderr = output.stderr.toString().trim();
+  if (output.status !== 9) {
+    console.log(stderr);
+  }
+  assert.strictEqual(output.status, 9);
+  assert.strictEqual(
+    stderr,
+    `${process.execPath}: --heap-prof-dir must be used with --heap-prof`);
+}
+
+// Tests --heap-prof-interval without --heap-prof.
+{
+  tmpdir.refresh();
+  const output = spawnSync(process.execPath, [
+    '--heap-prof-interval',
+    kHeapProfInterval,
+    fixtures.path('workload', 'allocation.js'),
+  ], {
+    cwd: tmpdir.path,
+    env
+  });
+  const stderr = output.stderr.toString().trim();
+  if (output.status !== 9) {
+    console.log(stderr);
+  }
+  assert.strictEqual(output.status, 9);
+  assert.strictEqual(
+    stderr,
+    `${process.execPath}: ` +
+    '--heap-prof-interval must be used with --heap-prof');
+}

test/parallel/test-heap-prof-loop-drained.js

@@ -0,0 +1,41 @@
+'use strict';
+
+// Tests that --heap-prof outputs heap profile when event loop is drained.
+
+const common = require('../common');
+
+const fixtures = require('../common/fixtures');
+common.skipIfInspectorDisabled();
+
+const assert = require('assert');
+const { spawnSync } = require('child_process');
+
+const tmpdir = require('../common/tmpdir');
+
+const {
+  getHeapProfiles,
+  verifyFrames,
+  kHeapProfInterval,
+  env,
+} = require('../common/prof');
+
+{
+  tmpdir.refresh();
+  const output = spawnSync(process.execPath, [
+    '--heap-prof',
+    '--heap-prof-interval',
+    kHeapProfInterval,
+    fixtures.path('workload', 'allocation.js'),
+  ], {
+    cwd: tmpdir.path,
+    env
+  });
+  if (output.status !== 0) {
+    console.log(output.stderr.toString());
+    console.log(output);
+  }
+  assert.strictEqual(output.status, 0);
+  const profiles = getHeapProfiles(tmpdir.path);
+  assert.strictEqual(profiles.length, 1);
+  verifyFrames(output, profiles[0], 'runAllocation');
+}

test/parallel/test-heap-prof-name.js

@@ -0,0 +1,44 @@
+'use strict';
+
+// Tests --heap-prof-name works.
+
+const common = require('../common');
+
+const fixtures = require('../common/fixtures');
+common.skipIfInspectorDisabled();
+
+const assert = require('assert');
+const path = require('path');
+const { spawnSync } = require('child_process');
+
+const tmpdir = require('../common/tmpdir');
+
+const {
+  getHeapProfiles,
+  verifyFrames,
+  kHeapProfInterval,
+  env
+} = require('../common/prof');
+
+{
+  tmpdir.refresh();
+  const file = path.join(tmpdir.path, 'test.heapprofile');
+  const output = spawnSync(process.execPath, [
+    '--heap-prof',
+    '--heap-prof-name',
+    'test.heapprofile',
+    '--heap-prof-interval',
+    kHeapProfInterval,
+    fixtures.path('workload', 'allocation.js'),
+  ], {
+    cwd: tmpdir.path,
+    env
+  });
+  if (output.status !== 0) {
+    console.log(output.stderr.toString());
+  }
+  assert.strictEqual(output.status, 0);
+  const profiles = getHeapProfiles(tmpdir.path);
+  assert.deepStrictEqual(profiles, [file]);
+  verifyFrames(output, file, 'runAllocation');
+}

test/parallel/test-heap-prof-sigint.js

@@ -0,0 +1,43 @@
+'use strict';
+
+// Tests --heap-prof generates a heap profile when
+// process.kill(process.pid, "SIGINT"); exits process.
+
+const common = require('../common');
+
+const fixtures = require('../common/fixtures');
+common.skipIfInspectorDisabled();
+
+const assert = require('assert');
+const { spawnSync } = require('child_process');
+
+const tmpdir = require('../common/tmpdir');
+
+const {
+  getHeapProfiles,
+  verifyFrames,
+  kHeapProfInterval,
+  env
+} = require('../common/prof');
+
+{
+  tmpdir.refresh();
+  const output = spawnSync(process.execPath, [
+    '--heap-prof',
+    '--heap-prof-interval',
+    kHeapProfInterval,
+    fixtures.path('workload', 'allocation-sigint.js'),
+  ], {
+    cwd: tmpdir.path,
+    env
+  });
+  if (!common.isWindows) {
+    if (output.signal !== 'SIGINT') {
+      console.log(output.stderr.toString());
+    }
+    assert.strictEqual(output.signal, 'SIGINT');
+  }
+  const profiles = getHeapProfiles(tmpdir.path);
+  assert.strictEqual(profiles.length, 1);
+  verifyFrames(output, profiles[0], 'runAllocation');
+}

test/sequential/test-heap-prof.js

@@ -1,375 +0,0 @@
-'use strict';
-
-// This tests that --heap-prof, --heap-prof-dir and --heap-prof-name works.
-
-const common = require('../common');
-
-const fixtures = require('../common/fixtures');
-common.skipIfInspectorDisabled();
-
-const assert = require('assert');
-const fs = require('fs');
-const path = require('path');
-const { spawnSync } = require('child_process');
-
-const tmpdir = require('../common/tmpdir');
-
-function getHeapProfiles(dir) {
-  const list = fs.readdirSync(dir);
-  return list
-    .filter((file) => file.endsWith('.heapprofile'))
-    .map((file) => path.join(dir, file));
-}
-
-function findFirstFrameInNode(root, func) {
-  const first = root.children.find(
-    (child) => child.callFrame.functionName === func
-  );
-  if (first) {
-    return first;
-  }
-  for (const child of root.children) {
-    const first = findFirstFrameInNode(child, func);
-    if (first) {
-      return first;
-    }
-  }
-  return undefined;
-}
-
-function findFirstFrame(file, func) {
-  const data = fs.readFileSync(file, 'utf8');
-  const profile = JSON.parse(data);
-  const first = findFirstFrameInNode(profile.head, func);
-  return { frame: first, roots: profile.head.children };
-}
-
-function verifyFrames(output, file, func) {
-  const { frame, roots } = findFirstFrame(file, func);
-  if (!frame) {
-    // Show native debug output and the profile for debugging.
-    console.log(output.stderr.toString());
-    console.log(roots);
-  }
-  assert.notStrictEqual(frame, undefined);
-}
-
-// We need to set --heap-prof-interval to a small enough value to make
-// sure we can find our workload in the samples, so we need to set
-// TEST_ALLOCATION > kHeapProfInterval.
-const kHeapProfInterval = 128;
-const TEST_ALLOCATION = kHeapProfInterval * 2;
-
-const env = {
-  ...process.env,
-  TEST_ALLOCATION,
-  NODE_DEBUG_NATIVE: 'INSPECTOR_PROFILER'
-};
-
-// Test --heap-prof without --heap-prof-interval. Here we just verify that
-// we manage to generate a profile.
-{
-  tmpdir.refresh();
-  const output = spawnSync(process.execPath, [
-    '--heap-prof',
-    fixtures.path('workload', 'allocation.js'),
-  ], {
-    cwd: tmpdir.path,
-    env
-  });
-  if (output.status !== 0) {
-    console.log(output.stderr.toString());
-    console.log(output);
-  }
-  assert.strictEqual(output.status, 0);
-  const profiles = getHeapProfiles(tmpdir.path);
-  assert.strictEqual(profiles.length, 1);
-}
-
-// Outputs heap profile when event loop is drained.
-// TODO(joyeecheung): share the fixutres with v8 coverage tests
-{
-  tmpdir.refresh();
-  const output = spawnSync(process.execPath, [
-    '--heap-prof',
-    '--heap-prof-interval',
-    kHeapProfInterval,
-    fixtures.path('workload', 'allocation.js'),
-  ], {
-    cwd: tmpdir.path,
-    env
-  });
-  if (output.status !== 0) {
-    console.log(output.stderr.toString());
-    console.log(output);
-  }
-  assert.strictEqual(output.status, 0);
-  const profiles = getHeapProfiles(tmpdir.path);
-  assert.strictEqual(profiles.length, 1);
-  verifyFrames(output, profiles[0], 'runAllocation');
-}
-
-// Outputs heap profile when process.exit(55) exits process.
-{
-  tmpdir.refresh();
-  const output = spawnSync(process.execPath, [
-    '--heap-prof',
-    '--heap-prof-interval',
-    kHeapProfInterval,
-    fixtures.path('workload', 'allocation-exit.js'),
-  ], {
-    cwd: tmpdir.path,
-    env
-  });
-  if (output.status !== 55) {
-    console.log(output.stderr.toString());
-  }
-  assert.strictEqual(output.status, 55);
-  const profiles = getHeapProfiles(tmpdir.path);
-  assert.strictEqual(profiles.length, 1);
-  verifyFrames(output, profiles[0], 'runAllocation');
-}
-
-// Outputs heap profile when process.kill(process.pid, "SIGINT"); exits process.
-{
-  tmpdir.refresh();
-  const output = spawnSync(process.execPath, [
-    '--heap-prof',
-    '--heap-prof-interval',
-    kHeapProfInterval,
-    fixtures.path('workload', 'allocation-sigint.js'),
-  ], {
-    cwd: tmpdir.path,
-    env
-  });
-  if (!common.isWindows) {
-    if (output.signal !== 'SIGINT') {
-      console.log(output.stderr.toString());
-    }
-    assert.strictEqual(output.signal, 'SIGINT');
-  }
-  const profiles = getHeapProfiles(tmpdir.path);
-  assert.strictEqual(profiles.length, 1);
-  verifyFrames(output, profiles[0], 'runAllocation');
-}
-
-// Outputs heap profile from worker when execArgv is set.
-{
-  tmpdir.refresh();
-  const output = spawnSync(process.execPath, [
-    fixtures.path('workload', 'allocation-worker-argv.js'),
-  ], {
-    cwd: tmpdir.path,
-    env: {
-      ...process.env,
-      HEAP_PROF_INTERVAL: '128'
-    }
-  });
-  if (output.status !== 0) {
-    console.log(output.stderr.toString());
-  }
-  assert.strictEqual(output.status, 0);
-  const profiles = getHeapProfiles(tmpdir.path);
-  assert.strictEqual(profiles.length, 1);
-  verifyFrames(output, profiles[0], 'runAllocation');
-}
-
-// --heap-prof-name without --heap-prof
-{
-  tmpdir.refresh();
-  const output = spawnSync(process.execPath, [
-    '--heap-prof-name',
-    'test.heapprofile',
-    fixtures.path('workload', 'allocation.js'),
-  ], {
-    cwd: tmpdir.path,
-    env
-  });
-  const stderr = output.stderr.toString().trim();
-  if (output.status !== 9) {
-    console.log(stderr);
-  }
-  assert.strictEqual(output.status, 9);
-  assert.strictEqual(
-    stderr,
-    `${process.execPath}: --heap-prof-name must be used with --heap-prof`);
-}
-
-// --heap-prof-dir without --heap-prof
-{
-  tmpdir.refresh();
-  const output = spawnSync(process.execPath, [
-    '--heap-prof-dir',
-    'prof',
-    fixtures.path('workload', 'allocation.js'),
-  ], {
-    cwd: tmpdir.path,
-    env
-  });
-  const stderr = output.stderr.toString().trim();
-  if (output.status !== 9) {
-    console.log(stderr);
-  }
-  assert.strictEqual(output.status, 9);
-  assert.strictEqual(
-    stderr,
-    `${process.execPath}: --heap-prof-dir must be used with --heap-prof`);
-}
-
-// --heap-prof-interval without --heap-prof
-{
-  tmpdir.refresh();
-  const output = spawnSync(process.execPath, [
-    '--heap-prof-interval',
-    kHeapProfInterval,
-    fixtures.path('workload', 'allocation.js'),
-  ], {
-    cwd: tmpdir.path,
-    env
-  });
-  const stderr = output.stderr.toString().trim();
-  if (output.status !== 9) {
-    console.log(stderr);
-  }
-  assert.strictEqual(output.status, 9);
-  assert.strictEqual(
-    stderr,
-    `${process.execPath}: ` +
-    '--heap-prof-interval must be used with --heap-prof');
-}
-
-// --heap-prof-name
-{
-  tmpdir.refresh();
-  const file = path.join(tmpdir.path, 'test.heapprofile');
-  const output = spawnSync(process.execPath, [
-    '--heap-prof',
-    '--heap-prof-name',
-    'test.heapprofile',
-    '--heap-prof-interval',
-    kHeapProfInterval,
-    fixtures.path('workload', 'allocation.js'),
-  ], {
-    cwd: tmpdir.path,
-    env
-  });
-  if (output.status !== 0) {
-    console.log(output.stderr.toString());
-  }
-  assert.strictEqual(output.status, 0);
-  const profiles = getHeapProfiles(tmpdir.path);
-  assert.deepStrictEqual(profiles, [file]);
-  verifyFrames(output, file, 'runAllocation');
-}
-
-// relative --heap-prof-dir
-{
-  tmpdir.refresh();
-  const output = spawnSync(process.execPath, [
-    '--heap-prof',
-    '--heap-prof-dir',
-    'prof',
-    '--heap-prof-interval',
-    kHeapProfInterval,
-    fixtures.path('workload', 'allocation.js'),
-  ], {
-    cwd: tmpdir.path,
-    env
-  });
-  if (output.status !== 0) {
-    console.log(output.stderr.toString());
-  }
-  assert.strictEqual(output.status, 0);
-  const dir = path.join(tmpdir.path, 'prof');
-  assert(fs.existsSync(dir));
-  const profiles = getHeapProfiles(dir);
-  assert.strictEqual(profiles.length, 1);
-  verifyFrames(output, profiles[0], 'runAllocation');
-}
-
-// absolute --heap-prof-dir
-{
-  tmpdir.refresh();
-  const dir = path.join(tmpdir.path, 'prof');
-  const output = spawnSync(process.execPath, [
-    '--heap-prof',
-    '--heap-prof-dir',
-    dir,
-    '--heap-prof-interval',
-    kHeapProfInterval,
-    fixtures.path('workload', 'allocation.js'),
-  ], {
-    cwd: tmpdir.path,
-    env
-  });
-  if (output.status !== 0) {
-    console.log(output.stderr.toString());
-  }
-  assert.strictEqual(output.status, 0);
-  assert(fs.existsSync(dir));
-  const profiles = getHeapProfiles(dir);
-  assert.strictEqual(profiles.length, 1);
-  verifyFrames(output, profiles[0], 'runAllocation');
-}
-
-// --heap-prof-dir and --heap-prof-name
-{
-  tmpdir.refresh();
-  const dir = path.join(tmpdir.path, 'prof');
-  const file = path.join(dir, 'test.heapprofile');
-  const output = spawnSync(process.execPath, [
-    '--heap-prof',
-    '--heap-prof-name',
-    'test.heapprofile',
-    '--heap-prof-dir',
-    dir,
-    '--heap-prof-interval',
-    kHeapProfInterval,
-    fixtures.path('workload', 'allocation.js'),
-  ], {
-    cwd: tmpdir.path,
-    env
-  });
-  if (output.status !== 0) {
-    console.log(output.stderr.toString());
-  }
-  assert.strictEqual(output.status, 0);
-  assert(fs.existsSync(dir));
-  const profiles = getHeapProfiles(dir);
-  assert.deepStrictEqual(profiles, [file]);
-  verifyFrames(output, file, 'runAllocation');
-}
-
-{
-  tmpdir.refresh();
-  const output = spawnSync(process.execPath, [
-    '--heap-prof-interval',
-    kHeapProfInterval,
-    '--heap-prof-dir',
-    'prof',
-    '--heap-prof',
-    fixtures.path('workload', 'allocation-worker.js'),
-  ], {
-    cwd: tmpdir.path,
-    env
-  });
-  if (output.status !== 0) {
-    console.log(output.stderr.toString());
-  }
-  assert.strictEqual(output.status, 0);
-  const dir = path.join(tmpdir.path, 'prof');
-  assert(fs.existsSync(dir));
-  const profiles = getHeapProfiles(dir);
-  assert.strictEqual(profiles.length, 2);
-  const profile1 = findFirstFrame(profiles[0], 'runAllocation');
-  const profile2 = findFirstFrame(profiles[1], 'runAllocation');
-  if (!profile1.frame && !profile2.frame) {
-    // Show native debug output and the profile for debugging.
-    console.log(output.stderr.toString());
-    console.log('heap path: ', profiles[0]);
-    console.log(profile1.roots);
-    console.log('heap path: ', profiles[1]);
-    console.log(profile2.roots);
-  }
-  assert(profile1.frame || profile2.frame);
-}