Testsuite: org.apache.tomcat.util.buf.TestStringUtils
Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.067 sec

Testcase: testNullArrayCharFunctionStringBuilder took 0.004 sec
Testcase: testNullIterableCharStringBuilder took 0.011 sec
Testcase: testNullIterableCharFunctionStringBuilder took 0.012 sec
Testcase: testNullArrayCharStringBuilder took 0.001 sec
Testcase: testNullCollectionChar took 0 sec
Testcase: testNullCollection took 0 sec
Testcase: testNullArray took 0.001 sec