On Apr 27, 2011, at 3:15 PM, Douglas Gregor wrote: > > On Apr 27, 2011, at 3:06 PM, Eli Friedman wrote: > >> Author: efriedma >> Date: Wed Apr 27 17:06:20 2011 >> New Revision: 130335 >> >> URL: http://llvm.org/viewvc/llvm-project?rev=130335&view=rev >> Log: >> Don't print fixits for format specifiers in cases where the fixit does not >> actually fix the warning. PR8781. >> >> I'm not sure what the preferred way to write a test for whether a fixit is >> emitted. > > Check out the tests in test/FixIt. Basically, we do a -verify check first. > Then, we copy the source file to another file, run clang -cc1 in "-fixit" > mode to apply the fix-its in place, and then check that the file > syntax-checks without any more errors. > > - Doug
There is a test specifically for format string checking: test/Sema/format-strings-fixit.c
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