summaryrefslogtreecommitdiffstats
path: root/test/Parser/objc-static-assert.m
diff options
context:
space:
mode:
Diffstat (limited to 'test/Parser/objc-static-assert.m')
-rw-r--r--test/Parser/objc-static-assert.m54
1 files changed, 54 insertions, 0 deletions
diff --git a/test/Parser/objc-static-assert.m b/test/Parser/objc-static-assert.m
new file mode 100644
index 0000000000..138b4fce20
--- /dev/null
+++ b/test/Parser/objc-static-assert.m
@@ -0,0 +1,54 @@
+// RUN: %clang_cc1 -fobjc-runtime=macosx-fragile -fsyntax-only -verify -Wno-objc-root-class %s
+// RUN: %clang_cc1 -std=c89 -fobjc-runtime=macosx-fragile -fsyntax-only -verify -Wno-objc-root-class %s
+
+
+#if __STDC_VERSION__ >= 201112L
+
+#if !__has_feature(objc_c_static_assert)
+#error failed
+#endif
+
+#if !__has_extension(objc_c_static_assert)
+#error failed
+#endif
+
+@interface A {
+ int a;
+ _Static_assert(1, "");
+ _Static_assert(0, ""); // expected-error {{static_assert failed}}
+
+ _Static_assert(a, ""); // expected-error {{use of undeclared identifier 'a'}}
+ _Static_assert(sizeof(a), ""); // expected-error {{use of undeclared identifier 'a'}}
+}
+
+_Static_assert(1, "");
+
+@end
+
+struct S {
+ @defs(A);
+};
+
+#else
+
+// _Static_assert is available before C11 as an extension, but -pedantic
+// warns on it.
+#if __has_feature(objc_c_static_assert)
+#error failed
+#endif
+
+#if !__has_extension(objc_c_static_assert)
+#error failed
+#endif
+
+@interface A {
+ int a;
+ _Static_assert(1, "");
+ _Static_assert(0, ""); // expected-error {{static_assert failed}}
+}
+
+_Static_assert(1, "");
+
+@end
+
+#endif