X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-bitrotate.c;h=5ebf60f89f8e1c3da5df45862ca2f8aec570773b;hb=ce9012b94357c174a846d129fe9b5d556a0a3bf1;hp=41f4d2651a52819e7b9c20fc0c2a9fc598056b23;hpb=4316d00d707d97f660fd0432035780fc0d3f23eb;p=gnulib.git

diff --git a/tests/test-bitrotate.c b/tests/test-bitrotate.c
index 41f4d2651..5ebf60f89 100644
--- a/tests/test-bitrotate.c
+++ b/tests/test-bitrotate.c
@@ -39,6 +39,7 @@
 int
 main (void)
 {
+  ASSERT (rotl8 (42, 0) == 42);
   ASSERT (rotl8 (42, 1) == 84);
   ASSERT (rotl8 (42, 2) == 168);
   ASSERT (rotl8 (42, 3) == 81);
@@ -46,7 +47,9 @@ main (void)
   ASSERT (rotl8 (42, 5) == 69);
   ASSERT (rotl8 (42, 6) == 138);
   ASSERT (rotl8 (42, 7) == 21);
+  ASSERT (rotl8 (42, 8) == 42);
 
+  ASSERT (rotr8 (42, 0) == 42);
   ASSERT (rotr8 (42, 1) == 21);
   ASSERT (rotr8 (42, 2) == 138);
   ASSERT (rotr8 (42, 3) == 69);
@@ -54,7 +57,9 @@ main (void)
   ASSERT (rotr8 (42, 5) == 81);
   ASSERT (rotr8 (42, 6) == 168);
   ASSERT (rotr8 (42, 7) == 84);
+  ASSERT (rotr8 (42, 8) == 42);
 
+  ASSERT (rotl16 (43981, 0) == 43981);
   ASSERT (rotl16 (43981, 1) == 22427);
   ASSERT (rotl16 (43981, 2) == 44854);
   ASSERT (rotl16 (43981, 3) == 24173);
@@ -70,7 +75,9 @@ main (void)
   ASSERT (rotl16 (43981, 13) == 46457);
   ASSERT (rotl16 (43981, 14) == 27379);
   ASSERT (rotl16 (43981, 15) == 54758);
+  ASSERT (rotl16 (43981, 16) == 43981);
 
+  ASSERT (rotr16 (43981, 0) == 43981);
   ASSERT (rotr16 (43981, 1) == 54758);
   ASSERT (rotr16 (43981, 2) == 27379);
   ASSERT (rotr16 (43981, 3) == 46457);
@@ -86,6 +93,7 @@ main (void)
   ASSERT (rotr16 (43981, 13) == 24173);
   ASSERT (rotr16 (43981, 14) == 44854);
   ASSERT (rotr16 (43981, 15) == 22427);
+  ASSERT (rotr16 (43981, 16) == 43981);
 
   ASSERT (rotl32 (2309737967U, 1) == 324508639U);
   ASSERT (rotl32 (2309737967U, 2) == 649017278U);
@@ -151,7 +159,7 @@ main (void)
   ASSERT (rotr32 (2309737967U, 30) == 649017278lU);
   ASSERT (rotr32 (2309737967U, 31) == 324508639lU);
 
-#if defined(UINT64_MAX) && defined(UINT64_C)
+#ifdef UINT64_MAX
   ASSERT (rotl64 (16045690984503098046ULL, 1) == 13644637895296644477ULL);
   ASSERT (rotl64 (16045690984503098046ULL, 2) == 8842531716883737339ULL);
   ASSERT (rotl64 (16045690984503098046ULL, 3) == 17685063433767474678ULL);
@@ -280,7 +288,7 @@ main (void)
   ASSERT (rotr64 (16045690984503098046ULL, 61) == 17685063433767474678ULL);
   ASSERT (rotr64 (16045690984503098046ULL, 62) == 8842531716883737339ULL);
   ASSERT (rotr64 (16045690984503098046ULL, 63) == 13644637895296644477ULL);
-#endif
+#endif /* UINT64_MAX */
 
   return 0;
 }