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Check that piping a large chunk of data from `process.stdin` into `process.stdout` does not lose any data by verifying that the output has the same size as the input. This is a regression test for #5927 and fails for the commits in the range [ace100945..89abe8680). PR-URL: https://github.com/nodejs/node/pull/5949 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
24 lines
616 B
JavaScript
24 lines
616 B
JavaScript
'use strict';
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// See https://github.com/nodejs/node/issues/5927
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const common = require('../common');
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const assert = require('assert');
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const spawn = require('child_process').spawn;
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if (process.argv[2] === 'child') {
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process.stdin.pipe(process.stdout);
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return;
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}
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const child = spawn(process.execPath, [__filename, 'child'], { stdio: 'pipe' });
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const expectedBytes = 1024 * 1024;
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let readBytes = 0;
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child.stdin.end(Buffer.alloc(expectedBytes));
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child.stdout.on('data', (chunk) => readBytes += chunk.length);
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child.stdout.on('end', common.mustCall(() => {
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assert.strictEqual(readBytes, expectedBytes);
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}));
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