Function test_up_multiple

test/parallel/test-fs-realpath.js:409–440

(realpath, realpathSync, cb)

//     `-- d -> ..
// realpath(a/b/e/d/a/b/e/d/a) ==> a
function test_up_multiple(realpath, realpathSync, cb) {
  console.error('test_up_multiple');
  if (skipSymlinks) {
    common.printSkipMessage('symlink test (no privs)');
    return cb();
  }
  const tmpdir = require('../common/tmpdir');
  tmpdir.refresh();
  fs.mkdirSync(tmp('a'), 0o755);
  fs.mkdirSync(tmp('a/b'), 0o755);
  fs.symlinkSync('..', tmp('a/d'), 'dir');
  unlink.push(tmp('a/d'));
  fs.symlinkSync('..', tmp('a/b/e'), 'dir');
  unlink.push(tmp('a/b/e'));

  const abedabed = tmp('abedabed'.split('').join('/'));
  const abedabed_real = tmp('');

  const abedabeda = tmp('abedabeda'.split('').join('/'));
  const abedabeda_real = tmp('a');

  assertEqualPath(realpathSync(abedabeda), abedabeda_real);
  assertEqualPath(realpathSync(abedabed), abedabed_real);

  realpath(abedabeda, common.mustSucceed((real) => {
    assertEqualPath(abedabeda_real, real);
    realpath(abedabed, common.mustSucceed((real) => {
      assertEqualPath(abedabed_real, real);
      cb();
    }));
  }));
}


// Going up with .. multiple times with options = null