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test: add test for SIGWINCH handling by stdio.js
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PR-URL: #10063
Reviewed-By: James M Snell <jasnell@gmail.com>
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sarahmeyer authored and MylesBorins committed Feb 1, 2017
1 parent 7505b86 commit 7020e9f
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Showing 2 changed files with 31 additions and 0 deletions.
29 changes: 29 additions & 0 deletions test/pseudo-tty/test-stderr-stdout-handle-sigwinch.js
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'use strict';
const common = require('../common');

const originalRefreshSizeStderr = process.stderr._refreshSize;
const originalRefreshSizeStdout = process.stdout._refreshSize;

const wrap = (fn, ioStream, string) => {
return () => {
// The console.log() call prints a string that is in the .out file. In other
// words, the console.log() is part of the test, not extraneous debugging.
console.log(string);
try {
fn.call(ioStream);
} catch (e) {
// EINVAL happens on SmartOS if emulation is incomplete
if (!common.isSunOS || e.code !== 'EINVAL')
throw e;
}
};
};

process.stderr._refreshSize = wrap(originalRefreshSizeStderr,
process.stderr,
'calling stderr._refreshSize');
process.stdout._refreshSize = wrap(originalRefreshSizeStdout,
process.stdout,
'calling stdout._refreshSize');

process.emit('SIGWINCH');
2 changes: 2 additions & 0 deletions test/pseudo-tty/test-stderr-stdout-handle-sigwinch.out
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calling stdout._refreshSize
calling stderr._refreshSize

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