More analyzer updates, and handle negative_tests

test/browser/language_tests.js

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 (function() {
   'use strict';
 
   let _isolate_helper = dart_library.import('dart/_isolate_helper');
   _isolate_helper.startRootIsolate(function() {}, []);
   let async_helper = dart_library.import('async_helper/async_helper');
@@ skipping 299 matching lines @@
         'deferred_load_library_wrong_args_test_01_multi',
         'deferred_load_library_wrong_args_test_none_multi',
         'external_test_21_multi',
         'external_test_24_multi',
         'main_not_a_function_test_01_multi',
         'multiline_newline_test_04_multi',
         'multiline_newline_test_05_multi',
         'multiline_newline_test_06_multi',
         'multiline_newline_test_none_multi',
         'no_main_test_01_multi',
+
+        // https://github.com/dart-lang/sdk/issues/26123
+        'bad_raw_string_negative_test',
+
+        // https://github.com/dart-lang/sdk/issues/26124
+        'prefix10_negative_test'
       ]),
       helpers: new Set([
         'library_prefixes_test1',
         'library_prefixes_test2',
         'top_level_prefixed_library_test',
       ])
     },
     'lib/typed_data': {
       expectedFailures: new Set([
         // TODO(vsm): Right shift should not propagate sign
@@ skipping 55 matching lines @@
           // For now we skip tests that expect failure.
           if (status[s].expectedFailures.has(name)) {
             console.debug('Skipping known failure: ' + name);
             continue;
           }
 
           test(name, (done) => {
             async_helper.asyncTestInitialize(done);
             console.debug('Running ' + s + ' test:  ' + name);
 
-            dart_library.import(s + '/' + name).main();
+            let mainLibrary = dart_library.import(s + '/' + name);
+            if (/negative_test/.test(name)) {
+              assert.throws(mainLibrary.main);
+            } else {
+              mainLibrary.main();
+            }
 
             if (!async_helper.asyncTestStarted) done();
           });
         }
       }
     });
   }
 
   dart_library.import('language/async_await_test_none_multi').main();
   // TODO(vsm): Re-enable.
   // See https://github.com/dart-lang/dev_compiler/issues/456
   // dart_library.import('language/async_star_test_none_multi').main();
 
 })();