test: reduce brittleness of tab complete test

test-repl-tab-complete includes tests that ensure that certain keys do
not appear in tab completions or that completion does not crash the
repl. It performed these tests by comparing completion output to a
hardcoded list of expected keys. This list is made incorrect by any api
changes that occur when new versions of V8 are introduced.

With this change, we assert that the specific keys to be avoided are
not present in the output instead.

PR-URL: https://github.com/nodejs/node/pull/5772
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

test/parallel/test-repl-tab-complete.js

@@ -226,97 +226,26 @@ putIn.run([
   'var proxy = new Proxy({}, {ownKeys: () => { throw new Error(); }});'
 ]);
 
-const proxyElements = [ [
-  'proxy.__defineGetter__',
-  'proxy.__defineSetter__',
-  'proxy.__lookupGetter__',
-  'proxy.__lookupSetter__',
-  'proxy.__proto__',
-  'proxy.constructor',
-  'proxy.hasOwnProperty',
-  'proxy.isPrototypeOf',
-  'proxy.propertyIsEnumerable',
-  'proxy.toLocaleString',
-  'proxy.toString',
-  'proxy.valueOf' ],
-  'proxy.' ];
-
 testMe.complete('proxy.', common.mustCall(function(error, data) {
   assert.strictEqual(error, null);
-  assert.deepEqual(data, proxyElements);
 }));
 
 // Make sure tab completion does not include integer members of an Array
-var array_elements = [ [
-  'ary.__defineGetter__',
-  'ary.__defineSetter__',
-  'ary.__lookupGetter__',
-  'ary.__lookupSetter__',
-  'ary.__proto__',
-  'ary.constructor',
-  'ary.hasOwnProperty',
-  'ary.isPrototypeOf',
-  'ary.propertyIsEnumerable',
-  'ary.toLocaleString',
-  'ary.toString',
-  'ary.valueOf',
-  '',
-  'ary.concat',
-  'ary.copyWithin',
-  'ary.entries',
-  'ary.every',
-  'ary.fill',
-  'ary.filter',
-  'ary.find',
-  'ary.findIndex',
-  'ary.forEach',
-  'ary.includes',
-  'ary.indexOf',
-  'ary.join',
-  'ary.keys',
-  'ary.lastIndexOf',
-  'ary.length',
-  'ary.map',
-  'ary.pop',
-  'ary.push',
-  'ary.reduce',
-  'ary.reduceRight',
-  'ary.reverse',
-  'ary.shift',
-  'ary.slice',
-  'ary.some',
-  'ary.sort',
-  'ary.splice',
-  'ary.unshift' ],
-  'ary.'];
-
 putIn.run(['.clear']);
 
 putIn.run(['var ary = [1,2,3];']);
 testMe.complete('ary.', common.mustCall(function(error, data) {
-  assert.deepEqual(data, array_elements);
+  assert.strictEqual(data[0].indexOf('ary.0'), -1);
+  assert.strictEqual(data[0].indexOf('ary.1'), -1);
+  assert.strictEqual(data[0].indexOf('ary.2'), -1);
 }));
 
 // Make sure tab completion does not include integer keys in an object
-var obj_elements = [ [
-  'obj.__defineGetter__',
-  'obj.__defineSetter__',
-  'obj.__lookupGetter__',
-  'obj.__lookupSetter__',
-  'obj.__proto__',
-  'obj.constructor',
-  'obj.hasOwnProperty',
-  'obj.isPrototypeOf',
-  'obj.propertyIsEnumerable',
-  'obj.toLocaleString',
-  'obj.toString',
-  'obj.valueOf',
-  '',
-  'obj.a' ],
-  'obj.' ];
 putIn.run(['.clear']);
 putIn.run(['var obj = {1:"a","1a":"b",a:"b"};']);
 
 testMe.complete('obj.', common.mustCall(function(error, data) {
-  assert.deepEqual(data, obj_elements);
+  assert.strictEqual(data[0].indexOf('obj.1'), -1);
+  assert.strictEqual(data[0].indexOf('obj.1a'), -1);
+  assert.notStrictEqual(data[0].indexOf('obj.a'), -1);
 }));