add tests

Author: erik-krogh

javascript/ql/test/query-tests/Security/CWE-116/IncompleteSanitization/IncompleteMultiCharacterSanitization.expected

@@ -33,3 +33,7 @@
 | tst-multi-character-sanitization.js:136:2:136:46 | content ... gi, "") | This string may still contain $@, which may cause a HTML element injection vulnerability. | tst-multi-character-sanitization.js:136:19:136:19 | < | <script |
 | tst-multi-character-sanitization.js:137:2:137:48 | content ... gi, "") | This string may still contain $@, which may cause a HTML element injection vulnerability. | tst-multi-character-sanitization.js:137:19:137:20 | .+ | <script |
 | tst-multi-character-sanitization.js:138:2:138:48 | content ... gi, "") | This string may still contain $@, which may cause a HTML element injection vulnerability. | tst-multi-character-sanitization.js:138:21:138:21 | < | <script |
+| tst-multi-character-sanitization.js:142:13:142:62 | content ... gi, "") | This string may still contain $@, which may cause a HTML element injection vulnerability. | tst-multi-character-sanitization.js:142:30:142:36 | <script | <script |
+| tst-multi-character-sanitization.js:143:13:143:56 | content ... /g, '') | This string may still contain $@, which may cause a HTML element injection vulnerability. | tst-multi-character-sanitization.js:143:30:143:30 | < | <script |
+| tst-multi-character-sanitization.js:144:13:144:91 | content ... /g, '') | This string may still contain $@, which may cause a HTML element injection vulnerability. | tst-multi-character-sanitization.js:144:30:144:30 | < | <script |
+| tst-multi-character-sanitization.js:145:13:145:90 | content ... /g, '') | This string may still contain $@, which may cause a HTML element injection vulnerability. | tst-multi-character-sanitization.js:145:30:145:30 | < | <script |

javascript/ql/test/query-tests/Security/CWE-116/IncompleteSanitization/tst-multi-character-sanitization.js

@@ -137,3 +137,10 @@
 	content.replace(/.+<(script).*\/script>/gi, ""); // NOT OK
 	content.replace(/.*<(script).*\/script>/gi, ""); // NOT OK
 });
+
+(function (content) {
+  content = content.replace(/<script[\s\S]*?<\/script>/gi, ""); // NOT OK
+  content = content.replace(/<[a-zA-Z\/](.|\n)*?>/g, '') || ' '; // NOT OK
+  content = content.replace(/<(script|iframe|video)[\s\S]*?<\/(script|iframe|video)>/g, '') // NOT OK
+  content = content.replace(/<(script|iframe|video)(.|\s)*?\/(script|iframe|video)>/g, '') // NOT OK
+});