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test: fs.link() on same device #4859

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test: fs.link() on same device #4859

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7 changes: 5 additions & 2 deletions test/parallel/test-fs-link.js
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Original file line number Diff line number Diff line change
Expand Up @@ -8,13 +8,16 @@ common.refreshTmpDir();

// test creating and reading hard link
const srcPath = path.join(common.fixturesDir, 'cycles', 'root.js');
const tmpSrcPath = path.join(common.tmpDir, 'root.js');
const dstPath = path.join(common.tmpDir, 'link1.js');
const srcContent = fs.readFileSync(srcPath, 'utf8');

const callback = function(err) {
if (err) throw err;
const srcContent = fs.readFileSync(srcPath, 'utf8');
const dstContent = fs.readFileSync(dstPath, 'utf8');
assert.strictEqual(srcContent, dstContent);
};

fs.link(srcPath, dstPath, common.mustCall(callback));
// copy to same directory to avoid cross-filesystem issues
fs.writeFileSync(tmpSrcPath, srcContent, 'utf8');
fs.link(tmpSrcPath, dstPath, common.mustCall(callback));