diff options
author | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
---|---|---|
committer | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
commit | 222e2a7620e6520ffaf4fc4e69d79c18da31542e (patch) | |
tree | 7bfbc05bfa3b41c8f9d2e56d53a0bc3e310df239 /clang/test/SemaCXX/warn-string-conversion.cpp | |
parent | 3d206f03985b50beacae843d880bccdc91a9f424 (diff) |
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/test/SemaCXX/warn-string-conversion.cpp')
-rw-r--r-- | clang/test/SemaCXX/warn-string-conversion.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/warn-string-conversion.cpp b/clang/test/SemaCXX/warn-string-conversion.cpp new file mode 100644 index 0000000..23960e4 --- /dev/null +++ b/clang/test/SemaCXX/warn-string-conversion.cpp @@ -0,0 +1,18 @@ +// RUN: %clang_cc1 -fsyntax-only -Wstring-conversion -verify %s + +// Warn on cases where a string literal is converted into a bool. +// An exception is made for this in logical operators. +void assert(bool condition); +void test0() { + bool b0 = "hi"; // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} + b0 = ""; // expected-warning{{implicit conversion turns string literal into bool: 'const char [1]' to 'bool'}} + b0 = 0 && ""; + assert("error"); // expected-warning{{implicit conversion turns string literal into bool: 'const char [6]' to 'bool'}} + assert(0 && "error"); + + while("hi") {} // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} + do {} while("hi"); // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} + for (;"hi";); // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} + if("hi") {} // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} +} + |