1 files changed, 43 insertions, 0 deletions
diff --git a/test/Preprocessor/pragma_microsoft.c b/test/Preprocessor/pragma_microsoft.c
index b68d6e363eb8..e461c707a9a5 100644
--- a/test/Preprocessor/pragma_microsoft.c
+++ b/test/Preprocessor/pragma_microsoft.c
@@ -38,3 +38,46 @@ void f()
   // this warning should go away.
   MACRO_WITH__PRAGMA // expected-warning {{expression result unused}}
 }
+
+
+// This should include macro_arg_directive even though the include
+// is looking for test.h  This allows us to assign to "n"
+#pragma include_alias("test.h", "macro_arg_directive.h" )
+#include "test.h"
+void test( void ) {
+  n = 12;
+}
+
+#pragma include_alias(<bar.h>, "bar.h") // expected-warning {{angle-bracketed include <bar.h> cannot be aliased to double-quoted include "bar.h"}}
+#pragma include_alias("foo.h", <bar.h>) // expected-warning {{double-quoted include "foo.h" cannot be aliased to angle-bracketed include <bar.h>}}
+#pragma include_alias("test.h") // expected-warning {{pragma include_alias expected ','}}
+
+// Make sure that the names match exactly for a replacement, including path information.  If
+// this were to fail, we would get a file not found error
+#pragma include_alias(".\pp-record.h", "does_not_exist.h")
+#include "pp-record.h"
+
+#pragma include_alias(12) // expected-warning {{pragma include_alias expected include filename}}
+
+// It's expected that we can map "bar" and <bar> separately
+#define test
+// We can't actually look up stdio.h because we're using cc1 without header paths, but this will ensure
+// that we get the right bar.h, because the "bar.h" will undef test for us, where <bar.h> won't
+#pragma include_alias(<bar.h>, <stdio.h>)
+#pragma include_alias("bar.h", "pr2086.h")  // This should #undef test
+
+#include "bar.h"
+#if defined(test)
+// This should not warn because test should not be defined
+#pragma include_alias("test.h")
+#endif
+
+// Test to make sure there are no use-after-free problems
+#define B "pp-record.h"
+#pragma include_alias("quux.h", B)
+void g() {}
+#include "quux.h"
+
+// Make sure that empty includes don't work
+#pragma include_alias("", "foo.h")  // expected-error {{empty filename}}
+#pragma include_alias(<foo.h>, <>)  // expected-error {{empty filename}}