shorinji opened a new pull request #383:
URL: https://github.com/apache/tomcat/pull/383
Currently addVaryFieldName() add a value twice when there already is named
value (not asterisk).
The existing tests did not catch this, since they assert using a HashMap
thus containing no duplicates.
I have updated one of the test case, inlining parts of the
doTestAddVaryFieldName() that can be reused.
Adding `System.out.println("adding " + name + " with " +
adapter.getHeaders(VARY_HEADER) + " already present = " + varyHeader);` at the
end of addVaryFieldName() we can track what happens when running the tests:
`test-nio:
[junit] Running org.apache.tomcat.util.http.TestResponseUtil
[junit] adding too with [foo, bar] already present = too,bar,too,foo
[junit] adding too with [{{{, bar] already present = too,bar,too
[junit] adding foo with [foo, bar] already present = foo,bar,foo
[junit] adding bar with [{{{, bar] already present = bar,bar
[junit] adding too with [foo, bar] already present = too,bar,too,foo
[junit] adding too with [foo, bar] already present = too,bar,too,foo
[junit] adding foo with [foo, bar] already present = foo,bar,foo
...`
After my patch this looks like:
`test-nio:
[junit] Running org.apache.tomcat.util.http.TestResponseUtil
[junit] adding too with [foo, bar] already present = bar,too,foo
[junit] adding too with [{{{, bar] already present = bar,too
[junit] adding foo with [foo, bar] already present = bar,foo
[junit] adding bar with [{{{, bar] already present = bar
[junit] adding too with [foo, bar] already present = bar,too,foo
[junit] adding too with [foo, bar] already present = bar,too,foo
[junit] adding foo with [foo, bar] already present = bar,foo
`
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