@@ -0,0 +1,1530 @@
+/*%0A * Copyright 2017, OpenCensus Authors%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0Apackage io.opencensus.tags;%0A%0Aimport static com.google.common.truth.Truth.assertThat;%0A%0Aimport com.google.common.collect.Lists;%0Aimport io.opencensus.tags.Tag.TagString;%0Aimport io.opencensus.tags.TagKey.TagKeyString;%0Aimport io.opencensus.tags.TagValue.TagValueString;%0Aimport java.util.Iterator;%0Aimport org.junit.Test;%0Aimport org.junit.runner.RunWith;%0Aimport org.junit.runners.JUnit4;%0A%0A/** Unit tests for %7B@link Internal%7D. */%0A@RunWith(JUnit4.class)%0Apublic final class InternalTest %7B%0A%0A  @Test%0A  public void getTags() %7B%0A    final Iterator%3CTag%3E iterator =%0A        Lists.%3CTag%3EnewArrayList(%0A                TagString.create(TagKeyString.create(%22k%22), TagValueString.create(%22v%22)))%0A            .iterator();%0A    TagContext ctx =%0A        new TagContext() %7B%0A          @Override%0A          protected Iterator%3CTag%3E iterator() %7B%0A            return iterator;%0A          %7D%0A        %7D;%0A    assertThat(Internal.getTags(ctx)).isSameAs(iterator);%0A  %7D%0A%7D%0A

Add a test for Internal.getTags().