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'use strict';
const common = require('../common');
const assert = require('assert');
const path = require('path');
const spawn = require('child_process').spawn;
// FIXME(bnoordhuis) On UNIX platforms, the debugger doesn't reliably kill
// the inferior when killed by a signal. Work around that by spawning
// the debugger in its own process group and killing the process group
// instead of just the debugger process.
const detached = !common.isWindows;
const children = [];
for (let i = 0; i < 4; i += 1) {
const port = common.PORT + i;
const args = [`--debug-port=${port}`, '--interactive', 'debug', __filename];
const child = spawn(process.execPath, args, { detached, stdio: 'pipe' });
child.test = { port: port, stdout: '' };
child.stdout.setEncoding('utf8');
child.stdout.on('data', function(s) { child.test.stdout += s; update(); });
child.stdout.pipe(process.stdout);
child.stderr.pipe(process.stderr);
children.push(child);
}
function update() {
// Debugger prints relative paths except on Windows.
const filename = path.basename(__filename);
let ready = 0;
for (const child of children)
ready += RegExp(`break in .*?${filename}:1`).test(child.test.stdout);
if (ready === children.length)
for (const child of children)
kill(child);
}
function kill(child) {
if (!detached)
return child.kill();
try {
process.kill(-child.pid); // Kill process group.
} catch (e) {
// Generally ESRCH is returned when the process group is already gone. On
// some platforms such as OS X it may be EPERM though.
assert.ok((e.code === 'EPERM') || (e.code === 'ESRCH'));
}
}
process.on('exit', function() {
for (const child of children) {
const { port, stdout } = child.test;
assert(stdout.includes(`Debugger listening on 127.0.0.1:${port}`));
assert(stdout.includes(`connecting to 127.0.0.1:${port}`));
}
});