6a4c9d124595c2d699f89285c81167c08ec081e9,parfait-core/src/test/java/io/pcp/parfait/timing/ThreadContextTest.java,ThreadContextTest,testClearRemovesMDCValue,#,73
Before Change
ThreadContext log4jThreadContext = ThreadContext.newMDCEnabledContext();
Hashtable mdcContext = MDC.getContext();
assertNull(mdcContext);
final String testKey = "painter";
log4jThreadContext.put(testKey, 7);
After Change
mdcContext = MDC.getContext();
assertEquals(1, mdcContext.size());
mdcContext.clear();
assertEquals(0, mdcContext.size());
log4jThreadContext.clear();