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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/objc.dg/pr48177.m
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+/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, May 2011. */
+/* { dg-do run } */
+/* { dg-skip-if "No API#2 pre-Darwin9" { *-*-darwin[5-8]* } { "-fnext-runtime" } { "" } } */
+
+#include <objc/runtime.h>
+#include <stdlib.h>
+
+int main(int argc, void **args)
+{
+#ifdef __GNU_LIBOBJC__
+ /* This special test tests that, if you have a selector already
+ registered in the runtime with full type information, you can use
+ sel_registerTypedName() to get it even if you specify the type
+ with incorrect argframe information. This is helpful as
+ selectors generated by the compiler (which have correct argframe
+ information) are usually registered before hand-written ones
+ (which often have incorrect argframe information, but need the
+ correct one).
+
+ Note that in this hand-written test, even the type information of
+ the first selector may be wrong (on this machine); but that's OK
+ as we'll never actually use the selectors. */
+ SEL selector1 = sel_registerTypedName ("testMethod", "i8@0:4");
+ SEL selector2 = sel_registerTypedName ("testMethod", "i8@8:8");
+
+ /* We compare the selectors using ==, not using sel_isEqual(). This
+ is because we are testing internals of the runtime and we know
+ that in the current implementation they should be identical if
+ the stuff is to work as expected. Don't do this at home. */
+ if (selector1 != selector2)
+ abort ();
+#endif
+
+ return 0;
+}