diff options
Diffstat (limited to 'test/SemaCXX/warn-div-or-rem-by-zero.cpp')
| -rw-r--r-- | test/SemaCXX/warn-div-or-rem-by-zero.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/SemaCXX/warn-div-or-rem-by-zero.cpp b/test/SemaCXX/warn-div-or-rem-by-zero.cpp new file mode 100644 index 0000000..44b877e --- /dev/null +++ b/test/SemaCXX/warn-div-or-rem-by-zero.cpp @@ -0,0 +1,21 @@ +// RUN: %clang_cc1 -verify %s +// RUN: %clang_cc1 -std=c++11 -verify %s +// RUN: %clang_cc1 -std=c++1y -verify %s + +void div() { + (void)(42 / 0); // expected-warning{{division by zero is undefined}} + (void)(42 / false); // expected-warning{{division by zero is undefined}} + (void)(42 / !1); // expected-warning{{division by zero is undefined}} + (void)(42 / (1 - 1)); // expected-warning{{division by zero is undefined}} + (void)(42 / !(1 + 1)); // expected-warning{{division by zero is undefined}} + (void)(42 / (int)(0.0)); // expected-warning{{division by zero is undefined}} +} + +void rem() { + (void)(42 % 0); // expected-warning{{remainder by zero is undefined}} + (void)(42 % false); // expected-warning{{remainder by zero is undefined}} + (void)(42 % !1); // expected-warning{{remainder by zero is undefined}} + (void)(42 % (1 - 1)); // expected-warning{{remainder by zero is undefined}} + (void)(42 % !(1 + 1)); // expected-warning{{remainder by zero is undefined}} + (void)(42 % (int)(0.0)); // expected-warning{{remainder by zero is undefined}} +} |
