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[fw/sdcc] / support / regression / tests / shifts.c

diff --git a/support/regression/tests/shifts.c b/support/regression/tests/shifts.c
index 2cab46ac6b3145fd7fdb96f4e57bbdc78b939192..c709c5a2b76961a22b472f30f0d9552a34e13b13 100644 (file)
--- a/support/regression/tests/shifts.c
+++ b/support/regression/tests/shifts.c
@@ -1,6 +1,7 @@
 /** Tests covering the shift operators.
 
-    type: char, int
+    sign: signed, unsigned
+    type: char, int, long
     storage: static, 
     attr: volatile
 
@@ -10,10 +11,10 @@
 */
 #include <testfwk.h>
 
-static void
+void
 testShiftClasses(void)
 {
-    {attr} {storage} {type} i, result;
+    {attr} {storage} {sign} {type} i, result;
 
     i = 30;
     ASSERT(i>>3 == 3);
@@ -28,30 +29,46 @@ testShiftClasses(void)
     ASSERT(result == 120);
 }
 
-/** PENDING: Disabled. */
+void
+testShiftRight(void)
+{
+    {attr} {storage} {type} i, result;
+
+    i = -120;
+    ASSERT(i>>1 == -60);
+    ASSERT(i>>2 == -30);
+    ASSERT(i>>3 == -15);
+    ASSERT(i>>4 == -8);
+    ASSERT(i>>5 == -4);
+    ASSERT(i>>6 == -2);
+    ASSERT(i>>7 == -1);
+    ASSERT(i>>8 == -1);
+    result = i;
+    result >>= 3;
+    ASSERT(result == -15); 
+}
+
 static void
 testShiftByteMultiples(void)
 {
-#if 0
     {attr} {storage} {type} i;
 
     i = ({type}){vals};
-    ASSERT(i>>8  == (({type}){vals} >> 8));
-    ASSERT(i>>16 == (({type}){vals} >> 16));
-    ASSERT(i>>24 == (({type}){vals} >> 24));
+    ASSERT(i>>8  == ({type})({vals} >> 8));
+    ASSERT(i>>16 == ({type})({vals} >> 16));
+    ASSERT(i>>24 == ({type})({vals} >> 24));
 
     i = ({type}){vals};
-    ASSERT(i<<8  == (({type}){vals} << 8));;
-    ASSERT(i<<16 == (({type}){vals} << 16));
-    ASSERT(i<<24 == (({type}){vals} << 24));
-#endif
+    ASSERT(({type})(i<<8)  == ({type})({vals} << 8));;
+    ASSERT(({type})(i<<16) == ({type})({vals} << 16));
+    ASSERT(({type})(i<<24) == ({type})({vals} << 24));
 }
 
 static void
 testShiftOne(void)
 {
-    {attr} {storage} {type} i;
-    {type} result;
+    {attr} {storage} {sign} {type} i;
+    {sign} {type} result;
 
     i = ({type}){vals};