test: remove disabled debugger test

The current debugger is slated for removal soon. The debugger test that
has been disabled for over four years is unlikely to be repaired at this
point. Remove the test and its associated fixture.

PR-URL: https://github.com/nodejs/node/pull/12199
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

test/disabled/test-debug-brk-file.js

@@ -1,109 +0,0 @@
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-'use strict';
-const common = require('../common');
-const assert = require('assert');
-const spawn = require('child_process').spawn;
-const path = require('path');
-const net = require('net');
-
-var isDone = false;
-var targetPath = path.resolve(common.fixturesDir, 'debug-target.js');
-
-var child = spawn(process.execPath, ['--debug-brk=' + common.PORT, targetPath]);
-child.stderr.on('data', function() {
-  child.emit('debug_start');
-});
-
-child.on('exit', function() {
-  assert(isDone);
-  console.log('ok');
-});
-
-child.once('debug_start', function() {
-  // delayed for some time until debug agent is ready
-  setTimeout(function() {
-    debug_client_connect();
-  }, 200);
-});
-
-
-function debug_client_connect() {
-  var msg = null;
-  var tmpBuf = '';
-
-  var conn = net.connect({port: common.PORT});
-  conn.setEncoding('utf8');
-  conn.on('data', function(data) {
-    tmpBuf += data;
-    parse();
-  });
-
-  function parse() {
-    if (!msg) {
-      msg = {
-        headers: null,
-        contentLength: 0
-      };
-    }
-    if (!msg.headers) {
-      var offset = tmpBuf.indexOf('\r\n\r\n');
-      if (offset < 0) return;
-      msg.headers = tmpBuf.substring(0, offset);
-      tmpBuf = tmpBuf.slice(offset + 4);
-      var matches = /Content-Length: (\d+)/.exec(msg.headers);
-      if (matches[1]) {
-        msg.contentLength = +(matches[1]);
-      }
-    }
-    if (msg.headers && Buffer.byteLength(tmpBuf) >= msg.contentLength) {
-      try {
-        var b = Buffer.from(tmpBuf);
-        var body = b.toString('utf8', 0, msg.contentLength);
-        tmpBuf = b.toString('utf8', msg.contentLength, b.length);
-
-        // get breakpoint list and check if it exists on line 0
-        if (!body.length) {
-          var req = JSON.stringify({'seq': 1, 'type': 'request',
-                                    'command': 'listbreakpoints'});
-          conn.write('Content-Length: ' + req.length + '\r\n\r\n' + req);
-          return;
-        }
-
-        var obj = JSON.parse(body);
-        if (obj.type === 'response' && obj.command === 'listbreakpoints' &&
-            !obj.running) {
-          obj.body.breakpoints.forEach(function(bpoint) {
-            if (bpoint.line === 0) isDone = true;
-          });
-        }
-
-        var req = JSON.stringify({'seq': 100, 'type': 'request',
-                                  'command': 'disconnect'});
-        conn.write('Content-Length: ' + req.length + '\r\n\r\n' + req);
-      } finally {
-        msg = null;
-        parse();
-      }
-    }
-  }
-}

test/fixtures/debug-target.js

@@ -1,4 +0,0 @@
-var a = 0;
-a += 1;
-a += 2;
-a += 3;