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Diffstat (limited to 'test/Sema/nonnull.c')
| -rw-r--r-- | test/Sema/nonnull.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/Sema/nonnull.c b/test/Sema/nonnull.c new file mode 100644 index 0000000..3bed2fe --- /dev/null +++ b/test/Sema/nonnull.c @@ -0,0 +1,32 @@ +// RUN: clang-cc -fblocks -fsyntax-only -verify %s + +int f1(int x) __attribute__((nonnull)); // expected-warning{{'nonnull' attribute applied to function with no pointer arguments}} +int f2(int *x) __attribute__ ((nonnull (1))); +int f3(int *x) __attribute__ ((nonnull (0))); // expected-error {{'nonnull' attribute parameter 1 is out of bounds}} +int f4(int *x, int *y) __attribute__ ((nonnull (1,2))); +int f5(int *x, int *y) __attribute__ ((nonnull (2,1))); + +extern void func1 (void (^block1)(), void (^block2)(), int) __attribute__((nonnull)); + +extern void func3 (void (^block1)(), int, void (^block2)(), int) +__attribute__((nonnull(1,3))); + +extern void func4 (void (^block1)(), void (^block2)()) __attribute__((nonnull(1))) +__attribute__((nonnull(2))); + +void +foo (int i1, int i2, int i3, void (^cp1)(), void (^cp2)(), void (^cp3)()) +{ + func1(cp1, cp2, i1); + + func1(0, cp2, i1); // expected-warning {{null passed to a callee which requires a non-null argument}} + func1(cp1, 0, i1); // expected-warning {{null passed to a callee which requires a non-null argument}} + func1(cp1, cp2, 0); + + + func3(0, i2, cp3, i3); // expected-warning {{null passed to a callee which requires a non-null argument}} + func3(cp3, i2, 0, i3); // expected-warning {{null passed to a callee which requires a non-null argument}} + + func4(0, cp1); // expected-warning {{null passed to a callee which requires a non-null argument}} + func4(cp1, 0); // expected-warning {{null passed to a callee which requires a non-null argument}} +} |
