test: add more http token/value checking tests

PR-URL: https://github.com/nodejs/node/pull/6570
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>

test/parallel/test-http-invalidheaderfield2.js

@@ -0,0 +1,97 @@
+'use strict';
+require('../common');
+const assert = require('assert');
+const inspect = require('util').inspect;
+const checkIsHttpToken = require('_http_common')._checkIsHttpToken;
+const checkInvalidHeaderChar = require('_http_common')._checkInvalidHeaderChar;
+
+// Good header field names
+[
+  'TCN',
+  'ETag',
+  'date',
+  'alt-svc',
+  'Content-Type',
+  '0',
+  'Set-Cookie2',
+  'Set_Cookie',
+  'foo`bar^',
+  'foo|bar',
+  '~foobar',
+  'FooBar!',
+  '#Foo',
+  '$et-Cookie',
+  '%%Test%%',
+  'Test&123',
+  'It\'s_fun',
+  '2*3',
+  '4+2',
+  '3.14159265359'
+].forEach(function(str) {
+  assert.strictEqual(checkIsHttpToken(str),
+                     true,
+                     'checkIsHttpToken(' +
+                       inspect(str) +
+                       ') unexpectedly failed');
+});
+// Bad header field names
+[
+  ':',
+  '@@',
+  '中文呢', // unicode
+  '((((())))',
+  ':alternate-protocol',
+  'alternate-protocol:',
+  'foo\nbar',
+  'foo\rbar',
+  'foo\r\nbar',
+  'foo\x00bar',
+  '\x7FMe!',
+  '{Start',
+  '(Start',
+  '[Start',
+  'End}',
+  'End)',
+  'End]',
+  '"Quote"',
+  'This,That'
+].forEach(function(str) {
+  assert.strictEqual(checkIsHttpToken(str),
+                     false,
+                     'checkIsHttpToken(' +
+                       inspect(str) +
+                       ') unexpectedly succeeded');
+});
+
+
+// Good header field values
+[
+  'foo bar',
+  'foo\tbar',
+  '0123456789ABCdef',
+  '!@#$%^&*()-_=+\\;\':"[]{}<>,./?|~`'
+].forEach(function(str) {
+  assert.strictEqual(checkInvalidHeaderChar(str),
+                     false,
+                     'checkInvalidHeaderChar(' +
+                       inspect(str) +
+                       ') unexpectedly failed');
+});
+
+// Bad header field values
+[
+  'foo\rbar',
+  'foo\nbar',
+  'foo\r\nbar',
+  '中文呢', // unicode
+  '\x7FMe!',
+  'Testing 123\x00',
+  'foo\vbar',
+  'Ding!\x07'
+].forEach(function(str) {
+  assert.strictEqual(checkInvalidHeaderChar(str),
+                    true,
+                    'checkInvalidHeaderChar(' +
+                      inspect(str) +
+                      ') unexpectedly succeeded');
+});