@@ -0,0 +1,1182 @@
+/*%0A * (c) Copyright 2018 Palantir Technologies Inc. All rights reserved.%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 com.palantir.remoting3.tracing;%0A%0Aimport static org.assertj.core.api.Assertions.assertThat;%0A%0Aimport org.junit.Test;%0Aimport org.junit.runner.RunWith;%0Aimport org.mockito.runners.MockitoJUnitRunner;%0A%0A@RunWith(MockitoJUnitRunner.class)%0Apublic final class CloseableTracerTest %7B%0A%0A    @Test%0A    public void startsAndClosesSpan() %7B%0A        try (CloseableTracer tracer = CloseableTracer.startSpan(%22foo%22)) %7B%0A            assertThat(Tracer.copyTrace().isEmpty()).isFalse();%0A        %7D%0A        assertThat(Tracer.copyTrace().isEmpty()).isTrue();%0A    %7D%0A%7D%0A

Add CloseableTracerTest (#718)