1 files changed, 109 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-process-env-allowed-flags.js b/tests/node_compat/test/parallel/test-process-env-allowed-flags.js
new file mode 100644
index 000000000..1b2c96e68
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-process-env-allowed-flags.js
@@ -0,0 +1,109 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 18.12.1
+// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
+
+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+
+// Assert legit flags are allowed, and bogus flags are disallowed
+{
+  const goodFlags = [
+    '--perf_basic_prof',
+    '--perf-basic-prof',
+    'perf-basic-prof',
+    '--perf_basic-prof',
+    'perf_basic-prof',
+    'perf_basic_prof',
+    '-r',
+    'r',
+    '--stack-trace-limit=100',
+    '--stack-trace-limit=-=xX_nodejs_Xx=-',
+  ].concat(process.features.inspector ? [
+    '--inspect-brk',
+    'inspect-brk',
+    '--inspect_brk',
+  ] : []);
+
+  const badFlags = [
+    'INSPECT-BRK',
+    '--INSPECT-BRK',
+    '--r',
+    '-R',
+    '---inspect-brk',
+    '--cheeseburgers',
+  ];
+
+  goodFlags.forEach((flag) => {
+    assert.strictEqual(
+      process.allowedNodeEnvironmentFlags.has(flag),
+      true,
+      `flag should be in set: ${flag}`
+    );
+  });
+
+  badFlags.forEach((flag) => {
+    assert.strictEqual(
+      process.allowedNodeEnvironmentFlags.has(flag),
+      false,
+      `flag should not be in set: ${flag}`
+    );
+  });
+}
+
+// Assert all "canonical" flags begin with dash(es)
+{
+  process.allowedNodeEnvironmentFlags.forEach((flag) => {
+    assert.match(flag, /^--?[a-zA-Z0-9._-]+$/);
+  });
+}
+
+// Assert immutability of process.allowedNodeEnvironmentFlags
+{
+  assert.strictEqual(Object.isFrozen(process.allowedNodeEnvironmentFlags),
+                     true);
+
+  process.allowedNodeEnvironmentFlags.add('foo');
+  assert.strictEqual(process.allowedNodeEnvironmentFlags.has('foo'), false);
+  Set.prototype.add.call(process.allowedNodeEnvironmentFlags, 'foo');
+  assert.strictEqual(process.allowedNodeEnvironmentFlags.has('foo'), false);
+
+  const thisArg = {};
+  process.allowedNodeEnvironmentFlags.forEach(
+    common.mustCallAtLeast(function(flag, _, set) {
+      assert.notStrictEqual(flag, 'foo');
+      assert.strictEqual(this, thisArg);
+      assert.strictEqual(set, process.allowedNodeEnvironmentFlags);
+    }),
+    thisArg
+  );
+
+  for (const flag of process.allowedNodeEnvironmentFlags.keys()) {
+    assert.notStrictEqual(flag, 'foo');
+  }
+  for (const flag of process.allowedNodeEnvironmentFlags.values()) {
+    assert.notStrictEqual(flag, 'foo');
+  }
+  for (const flag of process.allowedNodeEnvironmentFlags) {
+    assert.notStrictEqual(flag, 'foo');
+  }
+  for (const [flag] of process.allowedNodeEnvironmentFlags.entries()) {
+    assert.notStrictEqual(flag, 'foo');
+  }
+
+  const size = process.allowedNodeEnvironmentFlags.size;
+
+  process.allowedNodeEnvironmentFlags.clear();
+  assert.strictEqual(process.allowedNodeEnvironmentFlags.size, size);
+  Set.prototype.clear.call(process.allowedNodeEnvironmentFlags);
+  assert.strictEqual(process.allowedNodeEnvironmentFlags.size, size);
+
+  process.allowedNodeEnvironmentFlags.delete('-r');
+  assert.strictEqual(process.allowedNodeEnvironmentFlags.size, size);
+  Set.prototype.delete.call(process.allowedNodeEnvironmentFlags, '-r');
+  assert.strictEqual(process.allowedNodeEnvironmentFlags.size, size);
+}