Import libffi from PyObjC 1.3.7.

darcs-hash:129bccb59266f997deac9b0353aea2d2d4049f92

1 files changed, 59 insertions, 0 deletions

diff --git a/libffi/testsuite/libffi.call/promotion.c b/libffi/testsuite/libffi.call/promotion.c
new file mode 100644
index 0000000..75e8421
--- /dev/null
+++ b/libffi/testsuite/libffi.call/promotion.c
@@ -0,0 +1,59 @@
+/* Area:	ffi_call
+   Purpose:	Promotion test.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+static int promotion(signed char sc, signed short ss, 
+		     unsigned char uc, unsigned short us)
+{
+  int r = (int) sc + (int) ss + (int) uc + (int) us;
+
+  return r;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg rint;
+  signed char sc;
+  unsigned char uc;
+  signed short ss;
+  unsigned short us;
+  unsigned long ul;
+
+  args[0] = &ffi_type_schar;
+  args[1] = &ffi_type_sshort;
+  args[2] = &ffi_type_uchar;
+  args[3] = &ffi_type_ushort;
+  values[0] = ≻
+  values[1] = &ss;
+  values[2] = &uc;
+  values[3] = &us;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, 
+		     &ffi_type_sint, args) == FFI_OK);
+  
+  us = 0;
+  ul = 0;
+  
+  for (sc = (signed char) -127; 
+       sc <= (signed char) 120; /*@-type@*/ sc += 1 /*@=type@*/)
+    for (ss = -30000; ss <= 30000; ss += 10000)
+      for (uc = (unsigned char) 0; 
+	   uc <= (unsigned char) 200; /*@-type@*/ uc += 20 /*@=type@*/)
+	for (us = 0; us <= 60000; us += 10000)
+	  {
+	    ul++;
+	    ffi_call(&cif, FFI_FN(promotion), &rint, values);
+	    CHECK((int)rint == (signed char) sc + (signed short) ss +
+		  (unsigned char) uc + (unsigned short) us);
+	  }
+  printf("%lu promotion tests run\n", ul);
+  exit(0); 
+}