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'use strict';
const common = require('../common');
const fs = require('fs');
const { join } = require('path');
const readline = require('readline');
const assert = require('assert');
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
const filename = join(tmpdir.path, 'test.txt');
const testContents = [
'',
'\n',
'line 1',
'line 1\nline 2 南越国是前203年至前111年存在于岭南地区的一个国家\nline 3\ntrailing',
'line 1\nline 2\nline 3 ends with newline\n'
];
async function testSimpleDestroy() {
for (const fileContent of testContents) {
fs.writeFileSync(filename, fileContent);
const readable = fs.createReadStream(filename);
const rli = readline.createInterface({
input: readable,
crlfDelay: Infinity
});
const iteratedLines = [];
for await (const k of rli) {
iteratedLines.push(k);
break;
}
const expectedLines = fileContent.split('\n');
if (expectedLines[expectedLines.length - 1] === '') {
expectedLines.pop();
}
expectedLines.splice(1);
assert.deepStrictEqual(iteratedLines, expectedLines);
rli.close();
readable.destroy();
}
}
async function testMutualDestroy() {
for (const fileContent of testContents) {
fs.writeFileSync(filename, fileContent);
const readable = fs.createReadStream(filename);
const rli = readline.createInterface({
input: readable,
crlfDelay: Infinity
});
const expectedLines = fileContent.split('\n');
if (expectedLines[expectedLines.length - 1] === '') {
expectedLines.pop();
}
expectedLines.splice(2);
const iteratedLines = [];
for await (const k of rli) {
iteratedLines.push(k);
for await (const l of rli) {
iteratedLines.push(l);
break;
}
assert.deepStrictEqual(iteratedLines, expectedLines);
}
assert.deepStrictEqual(iteratedLines, expectedLines);
rli.close();
readable.destroy();
}
}
testSimpleDestroy().then(testMutualDestroy).then(common.mustCall());
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