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-rw-r--r--clang/test/SemaCXX/attr-nonnull.cpp33
1 files changed, 33 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/attr-nonnull.cpp b/clang/test/SemaCXX/attr-nonnull.cpp
new file mode 100644
index 0000000..09c054c
--- /dev/null
+++ b/clang/test/SemaCXX/attr-nonnull.cpp
@@ -0,0 +1,33 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+struct S {
+ S(const char *) __attribute__((nonnull(2)));
+
+ static void f(const char*, const char*) __attribute__((nonnull(1)));
+
+ // GCC has a hidden 'this' argument in member functions, so the middle
+ // argument is the one that must not be null.
+ void g(const char*, const char*, const char*) __attribute__((nonnull(3)));
+
+ void h(const char*) __attribute__((nonnull(1))); // \
+ expected-error{{invalid for the implicit this argument}}
+};
+
+void test() {
+ S s(0); // expected-warning{{null passed}}
+
+ s.f(0, ""); // expected-warning{{null passed}}
+ s.f("", 0);
+ s.g("", 0, ""); // expected-warning{{null passed}}
+ s.g(0, "", 0);
+}
+
+namespace rdar8769025 {
+ __attribute__((nonnull)) void f0(int *&p);
+ __attribute__((nonnull)) void f1(int * const &p);
+ __attribute__((nonnull(2))) void f2(int i, int * const &p);
+
+ void test_f1() {
+ f1(0); // expected-warning{{null passed to a callee which requires a non-null argument}}
+ f2(0, 0); // expected-warning{{null passed to a callee which requires a non-null argument}}
+ }
+}