summaryrefslogtreecommitdiff
path: root/clang/test/SemaObjC/format-arg-attribute.m
diff options
context:
space:
mode:
authorCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
committerCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
commitbe1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch)
tree1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/SemaObjC/format-arg-attribute.m
parentc4626a62754862d20b41e8a46a3574264ea80e6d (diff)
parentf1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff)
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/SemaObjC/format-arg-attribute.m')
-rw-r--r--clang/test/SemaObjC/format-arg-attribute.m27
1 files changed, 27 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/format-arg-attribute.m b/clang/test/SemaObjC/format-arg-attribute.m
new file mode 100644
index 0000000..6edb8fd
--- /dev/null
+++ b/clang/test/SemaObjC/format-arg-attribute.m
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -verify -fsyntax-only %s
+
+@class NSString;
+
+extern NSString *fa2 (const NSString *) __attribute__((format_arg(1)));
+extern NSString *fa3 (NSString *) __attribute__((format_arg(1)));
+
+extern void fc1 (const NSString *) __attribute__((format_arg)); // expected-error {{attribute takes one argument}}
+extern void fc2 (const NSString *) __attribute__((format_arg())); // expected-error {{attribute takes one argument}}
+extern void fc3 (const NSString *) __attribute__((format_arg(1, 2))); // expected-error {{attribute takes one argument}}
+
+struct s1 { int i; } __attribute__((format_arg(1))); // expected-warning {{'format_arg' attribute only applies to functions}}
+union u1 { int i; } __attribute__((format_arg(1))); // expected-warning {{'format_arg' attribute only applies to functions}}
+enum e1 { E1V0 } __attribute__((format_arg(1))); // expected-warning {{'format_arg' attribute only applies to functions}}
+
+extern NSString *ff3 (const NSString *) __attribute__((format_arg(3-2)));
+extern NSString *ff4 (const NSString *) __attribute__((format_arg(foo))); // expected-error {{attribute takes one argument}}
+
+/* format_arg formats must take and return a string. */
+extern NSString *fi0 (int) __attribute__((format_arg(1))); // expected-error {{format argument not a string type}}
+extern NSString *fi1 (NSString *) __attribute__((format_arg(1)));
+
+extern NSString *fi2 (NSString *) __attribute__((format_arg(1)));
+
+extern int fi3 (const NSString *) __attribute__((format_arg(1))); // expected-error {{function does not return NSString}}
+extern NSString *fi4 (const NSString *) __attribute__((format_arg(1)));
+extern NSString *fi5 (const NSString *) __attribute__((format_arg(1)));