1 files changed, 101 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-fs-open-flags.js b/tests/node_compat/test/parallel/test-fs-open-flags.js
new file mode 100644
index 000000000..532194e06
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-fs-open-flags.js
@@ -0,0 +1,101 @@
+// 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.
+
+// 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.
+
+// Flags: --expose-internals
+'use strict';
+const common = require('../common');
+
+const fixtures = require('../common/fixtures');
+
+const assert = require('assert');
+const fs = require('fs');
+const path = require('path');
+
+// 0 if not found in fs.constants
+const { O_APPEND = 0,
+        O_CREAT = 0,
+        O_EXCL = 0,
+        O_RDONLY = 0,
+        O_RDWR = 0,
+        O_SYNC = 0,
+        O_DSYNC = 0,
+        O_TRUNC = 0,
+        O_WRONLY = 0 } = fs.constants;
+
+const { stringToFlags } = require('internal/fs/utils');
+
+assert.strictEqual(stringToFlags('r'), O_RDONLY);
+assert.strictEqual(stringToFlags('r+'), O_RDWR);
+assert.strictEqual(stringToFlags('rs+'), O_RDWR | O_SYNC);
+assert.strictEqual(stringToFlags('sr+'), O_RDWR | O_SYNC);
+assert.strictEqual(stringToFlags('w'), O_TRUNC | O_CREAT | O_WRONLY);
+assert.strictEqual(stringToFlags('w+'), O_TRUNC | O_CREAT | O_RDWR);
+assert.strictEqual(stringToFlags('a'), O_APPEND | O_CREAT | O_WRONLY);
+assert.strictEqual(stringToFlags('a+'), O_APPEND | O_CREAT | O_RDWR);
+
+assert.strictEqual(stringToFlags('wx'), O_TRUNC | O_CREAT | O_WRONLY | O_EXCL);
+assert.strictEqual(stringToFlags('xw'), O_TRUNC | O_CREAT | O_WRONLY | O_EXCL);
+assert.strictEqual(stringToFlags('wx+'), O_TRUNC | O_CREAT | O_RDWR | O_EXCL);
+assert.strictEqual(stringToFlags('xw+'), O_TRUNC | O_CREAT | O_RDWR | O_EXCL);
+assert.strictEqual(stringToFlags('ax'), O_APPEND | O_CREAT | O_WRONLY | O_EXCL);
+assert.strictEqual(stringToFlags('xa'), O_APPEND | O_CREAT | O_WRONLY | O_EXCL);
+assert.strictEqual(stringToFlags('as'), O_APPEND | O_CREAT | O_WRONLY | O_SYNC);
+assert.strictEqual(stringToFlags('sa'), O_APPEND | O_CREAT | O_WRONLY | O_SYNC);
+assert.strictEqual(stringToFlags('ax+'), O_APPEND | O_CREAT | O_RDWR | O_EXCL);
+assert.strictEqual(stringToFlags('xa+'), O_APPEND | O_CREAT | O_RDWR | O_EXCL);
+assert.strictEqual(stringToFlags('as+'), O_APPEND | O_CREAT | O_RDWR | O_SYNC);
+assert.strictEqual(stringToFlags('sa+'), O_APPEND | O_CREAT | O_RDWR | O_SYNC);
+
+('+ +a +r +w rw wa war raw r++ a++ w++ x +x x+ rx rx+ wxx wax xwx xxx')
+  .split(' ')
+  .forEach(function(flags) {
+    assert.throws(
+      () => stringToFlags(flags),
+      { code: 'ERR_INVALID_ARG_VALUE', name: 'TypeError' }
+    );
+  });
+
+assert.throws(
+  () => stringToFlags({}),
+  { code: 'ERR_INVALID_ARG_VALUE', name: 'TypeError' }
+);
+
+assert.throws(
+  () => stringToFlags(true),
+  { code: 'ERR_INVALID_ARG_VALUE', name: 'TypeError' }
+);
+
+if (common.isLinux || common.isOSX) {
+  const tmpdir = require('../common/tmpdir');
+  tmpdir.refresh();
+  const file = path.join(tmpdir.path, 'a.js');
+  fs.copyFileSync(fixtures.path('a.js'), file);
+  fs.open(file, O_DSYNC, common.mustSucceed((fd) => {
+    fs.closeSync(fd);
+  }));
+}