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'use strict';
const common = require('../common');
const assert = require('assert');
const fs = require('fs');
const path = require('path');
const kStringMaxLength = process.binding('buffer').kStringMaxLength;
common.refreshTmpDir();
const file = path.join(common.tmpDir, 'toobig.txt');
const stream = fs.createWriteStream(file, {
flags: 'a'
});
const size = kStringMaxLength / 200;
const a = new Buffer(size).fill('a');
for (var i = 0; i < 201; i++) {
stream.write(a);
}
stream.end();
stream.on('finish', common.mustCall(function() {
// make sure that the toString does not throw an error
fs.readFile(file, 'utf8', common.mustCall(function(err, buf) {
assert.ok(err instanceof Error);
assert.strictEqual('"toString()" failed', err.message);
}));
}));
function destroy() {
try {
fs.unlinkSync(file);
} catch (err) {
// it may not exist
}
}
process.on('exit', destroy);
process.on('SIGINT', function() {
destroy();
process.exit();
});
// To make sure we don't leave a very large file
// on test machines in the event this test fails.
process.on('uncaughtException', function(err) {
destroy();
throw err;
});
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