11cb0ef41Sopenharmony_ci'use strict';
21cb0ef41Sopenharmony_ciconst common = require('../common');
31cb0ef41Sopenharmony_ciconst assert = require('assert');
41cb0ef41Sopenharmony_ciconst child_process = require('child_process');
51cb0ef41Sopenharmony_ci
61cb0ef41Sopenharmony_ciif (common.isWindows)
71cb0ef41Sopenharmony_ci  common.skip('fs.closeSync(n) does not close stdio on Windows');
81cb0ef41Sopenharmony_ci
91cb0ef41Sopenharmony_cifunction runTest(fd, streamName, testOutputStream, expectedName) {
101cb0ef41Sopenharmony_ci  const result = child_process.spawnSync(process.execPath, [
111cb0ef41Sopenharmony_ci    '--expose-internals',
121cb0ef41Sopenharmony_ci    '--no-warnings',
131cb0ef41Sopenharmony_ci    '-e',
141cb0ef41Sopenharmony_ci    `const { internalBinding } = require('internal/test/binding');
151cb0ef41Sopenharmony_ci    internalBinding('process_methods').resetStdioForTesting();
161cb0ef41Sopenharmony_ci    fs.closeSync(${fd});
171cb0ef41Sopenharmony_ci    const ctorName = process.${streamName}.constructor.name;
181cb0ef41Sopenharmony_ci    process.${testOutputStream}.write(ctorName);
191cb0ef41Sopenharmony_ci    `]);
201cb0ef41Sopenharmony_ci  assert.strictEqual(result[testOutputStream].toString(), expectedName,
211cb0ef41Sopenharmony_ci                     `stdout:\n${result.stdout}\nstderr:\n${result.stderr}\n` +
221cb0ef41Sopenharmony_ci                     `while running test with fd = ${fd}`);
231cb0ef41Sopenharmony_ci  if (testOutputStream !== 'stderr')
241cb0ef41Sopenharmony_ci    assert.strictEqual(result.stderr.toString(), '');
251cb0ef41Sopenharmony_ci}
261cb0ef41Sopenharmony_ci
271cb0ef41Sopenharmony_cirunTest(0, 'stdin', 'stdout', 'Readable');
281cb0ef41Sopenharmony_cirunTest(1, 'stdout', 'stderr', 'Writable');
291cb0ef41Sopenharmony_cirunTest(2, 'stderr', 'stdout', 'Writable');
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