Adds a repeatable --url_mapping flag to dartanalyzer

pkg/analyzer/test/generated/all_the_rest_test.dart

 // Copyright (c) 2014, 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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.all_the_rest_test;
 
 import 'dart:collection';
@@ skipping 29 matching lines @@
 import 'test_support.dart';
 
 
 main() {
   groupSep = ' | ';
   runReflectiveTests(ConstantEvaluatorTest);
   runReflectiveTests(ConstantFinderTest);
   runReflectiveTests(ConstantValueComputerTest);
   runReflectiveTests(ConstantVisitorTest);
   runReflectiveTests(ContentCacheTest);
+  runReflectiveTests(CustomUriResolverTest);
   runReflectiveTests(DartObjectImplTest);
   runReflectiveTests(DartUriResolverTest);
   runReflectiveTests(DeclaredVariablesTest);
   runReflectiveTests(DirectoryBasedDartSdkTest);
   runReflectiveTests(DirectoryBasedSourceContainerTest);
   runReflectiveTests(ElementBuilderTest);
   runReflectiveTests(ElementLocatorTest);
   runReflectiveTests(EnumMemberBuilderTest);
   runReflectiveTests(ErrorReporterTest);
   runReflectiveTests(ErrorSeverityTest);
@@ skipping 7662 matching lines @@
   void test_resolve_nonFile() {
     UriResolver resolver = new FileUriResolver();
     Source result =
         resolver.resolveAbsolute(parseUriWithException("dart:core"));
     expect(result, isNull);
   }
 }
 
 
 @reflectiveTest
+class CustomUriResolverTest {
+  void test_creation() {
+    expect(new CustomUriResolver({}), isNotNull);
+  }
+
+  void test_resolve_unknown_uri() {
+    UriResolver resolver = new CustomUriResolver({
+      'custom:library': '/path/to/library.dart',
+    });
+    Source result = resolver.resolveAbsolute(
+        parseUriWithException("custom:non_library"));
+    expect(result, isNull);
+  }
+
+  void test_resolve_uri() {
+    String path =
+        FileUtilities2.createFile("/path/to/library.dart").getAbsolutePath();
+    UriResolver resolver = new CustomUriResolver({
+      'custom:library': path,
+    });
+    Source result = resolver.resolveAbsolute(
+        parseUriWithException("custom:library"));
+    expect(result, isNotNull);
+    expect(result.fullName, path);
+  }
+}
+
+
+@reflectiveTest
 class HtmlParserTest extends EngineTestCase {
   /**
    * The name of the 'script' tag in an HTML file.
    */
   static String _TAG_SCRIPT = "script";
   void fail_parse_scriptWithComment() {
     String scriptBody = r'''
       /**
        *     <editable-label bind-value="dartAsignableValue">
        *     </editable-label>
@@ skipping 1231 matching lines @@
     } else {
       expect(scriptSource, isNotNull, reason: "script $scriptIndex");
       String actualExternalScriptName = scriptSource.shortName;
       expect(
           actualExternalScriptName,
           _expectedExternalScriptName,
           reason: "script $scriptIndex");
     }
   }
 }