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Matteo Collina
49ad95045a
Enable node:vfs by default. --no-experimental-vfs disables node:vfs exposure and --vfs-load. Assisted-by: pi Signed-off-by: Matteo Collina <hello@matteocollina.com> PR-URL: https://github.com/nodejs/node/pull/66318 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Paolo Insogna <paolo@cowtech.it>
43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
// Flags: --disable-warning=ExperimentalWarning
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'use strict';
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// MemoryProvider: numeric open flags (mirroring fs.constants.O_*) must be
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// normalised to their string equivalents.
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require('../common');
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const assert = require('assert');
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const fs = require('fs');
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const vfs = require('node:vfs');
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const { O_RDONLY, O_RDWR, O_WRONLY, O_CREAT, O_TRUNC, O_EXCL, O_APPEND } = fs.constants;
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const myVfs = vfs.create();
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myVfs.writeFileSync('/file.txt', 'orig');
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// O_RDONLY (0)
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myVfs.closeSync(myVfs.openSync('/file.txt', O_RDONLY));
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// O_RDWR ('r+')
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myVfs.closeSync(myVfs.openSync('/file.txt', O_RDWR));
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// 'w' = O_WRONLY | O_CREAT | O_TRUNC
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myVfs.closeSync(myVfs.openSync('/created.txt', O_WRONLY | O_CREAT | O_TRUNC));
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// 'wx' = O_WRONLY | O_CREAT | O_EXCL
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myVfs.closeSync(myVfs.openSync('/excl.txt', O_WRONLY | O_CREAT | O_EXCL));
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// 'wx' on an existing file throws EEXIST
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assert.throws(
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() => myVfs.openSync('/file.txt', O_WRONLY | O_CREAT | O_EXCL),
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{ code: 'EEXIST' });
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// 'a' = O_APPEND | O_RDWR | O_CREAT (mapped to 'a+')
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myVfs.closeSync(myVfs.openSync('/app.txt', O_APPEND | O_RDWR | O_CREAT));
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// 'ax+' = O_APPEND | O_EXCL | O_RDWR | O_CREAT
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myVfs.closeSync(myVfs.openSync('/axplus.txt',
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O_APPEND | O_EXCL | O_RDWR | O_CREAT));
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// Bogus non-string non-number defaults to 'r'
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myVfs.closeSync(myVfs.openSync('/file.txt', null));
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