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#6645 false negative: condition is always false. Add a regression test

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amai2012 2018-07-03 08:25:37 +02:00
parent 24dd4c9c26
commit c2f0828a61
1 changed files with 9 additions and 0 deletions
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9
test/testcondition.cpp
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@ -1911,6 +1911,15 @@ private:
check("void f2(int a, int b) { if(a!=b) if(a!=b) {}}");
ASSERT_EQUALS("[test.cpp:1] -> [test.cpp:1]: (warning) Identical inner 'if' condition is always true.\n", errout.str());
// #6645 false negative: condition is always false
check("void f(bool a, bool b) {\n"
" if(a && b) {\n"
" if(a) {}\n"
" else {}\n"
" }\n"
"}\n");
ASSERT_EQUALS("[test.cpp:2] -> [test.cpp:3]: (warning) Identical inner 'if' condition is always true.\n", errout.str());
}
void identicalConditionAfterEarlyExit() {