Make __has_include a bit more resilient in the presence of macros. <rdar://problem/12748859>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171939 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Preprocessor/has_include.c b/test/Preprocessor/has_include.c
index 10f7795..985501a 100644
--- a/test/Preprocessor/has_include.c
+++ b/test/Preprocessor/has_include.c
@@ -64,6 +64,33 @@
#error "defined(__has_include_next) failed (8)."
#endif
+// Fun with macros
+#define MACRO1 __has_include(<stdint.h>)
+#define MACRO2 ("stdint.h")
+#define MACRO3 ("blahblah.h")
+#define MACRO4 blahblah.h>)
+#define MACRO5 <stdint.h>
+
+#if !MACRO1
+ #error "__has_include with macro failed (1)."
+#endif
+
+#if !__has_include MACRO2
+ #error "__has_include with macro failed (2)."
+#endif
+
+#if __has_include MACRO3
+ #error "__has_include with macro failed (3)."
+#endif
+
+#if __has_include(<MACRO4
+ #error "__has_include with macro failed (4)."
+#endif
+
+#if !__has_include(MACRO5)
+ #error "__has_include with macro failed (2)."
+#endif
+
// Try badly formed expressions.
// FIXME: We can recover better in almost all of these cases. (PR13335)