Issue 6859. Report wrong URI at correct location.

compiler/javatests/com/google/dart/compiler/end2end/inc/IncrementalCompilation2Test.java

 // Copyright (c) 2012, 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.
 package com.google.dart.compiler.end2end.inc;
 
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
 import com.google.dart.compiler.CompilerTestCase;
 import com.google.dart.compiler.DartCompilationError;
@@ skipping 571 matching lines @@
       public void unitCompiled(DartUnit unit) {
         isCompiling = false;
       }
     };
     DartCompiler.compileLib(appSource, config, provider, listener);
     // Check that errors where reported (and in correct time).
     assertErrors(errors, errEx(DartCompilerErrorCode.MISSING_SOURCE, 3, 1, 29));
   }
 
   /**
+   * <p>
+   * http://code.google.com/p/dart/issues/detail?id=6859
+   */
+  public void test_reportMissingImport_dart() throws Exception {
+    appSource.setContent(
+        APP,
+        makeCode(
+            "// filler filler filler filler filler filler filler filler filler filler filler",
+            "library app;",
+            "import 'dart:mirrors as mirrors';",
+            ""));
+    compile();
+    // Check that errors where reported (and in correct time).
+    assertErrors(errors, errEx(DartCompilerErrorCode.MISSING_SOURCE, 3, 1, 33));
+  }
+
+  /**
    * Test that same prefix can be used to import several libraries.
    */
   public void test_samePrefix_severalLibraries() throws Exception {
     appSource.setContent(
         APP,
         makeCode(
             "// filler filler filler filler filler filler filler filler filler filler filler",
             "library application;",
             "import 'A.dart' as p;",
             "import 'B.dart' as p;",
@@ skipping 1088 matching lines @@
   private void didWrite(String sourceName, String extension) {
     String spec = sourceName + "/" + extension;
     assertTrue("Expected write: " + spec, provider.writes.contains(spec));
   }
 
   private void didNotWrite(String sourceName, String extension) {
     String spec = sourceName + "/" + extension;
     assertFalse("Didn't expect write: " + spec, provider.writes.contains(spec));
   }
 }