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-rw-r--r--test/external/c-testsuite/tests/single-exec/00200.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/test/external/c-testsuite/tests/single-exec/00200.c b/test/external/c-testsuite/tests/single-exec/00200.c
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+++ b/test/external/c-testsuite/tests/single-exec/00200.c
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+/* $Id: lshift-type.c 53089 2012-07-06 11:18:26Z vinc17/ypig $
+
+Tests on left-shift type, written by Vincent Lefevre <vincent@vinc17.net>.
+
+ISO C99 TC3 says: [6.5.7#3] "The integer promotions are performed on
+each of the operands. The type of the result is that of the promoted
+left operand."
+*/
+
+#include <stdio.h>
+
+#define PTYPE(M) ((M) < 0 || -(M) < 0 ? -1 : 1) * (int) sizeof((M)+0)
+#define CHECK(X,T) check(#X, PTYPE(X), PTYPE((X) << (T) 1))
+#define TEST1(X,T) do { CHECK(X,T); CHECK(X,unsigned T); } while (0)
+#define TEST2(X) \
+ do \
+ { \
+ TEST1((X),short); \
+ TEST1((X),int); \
+ TEST1((X),long); \
+ TEST1((X),long long); \
+ } \
+ while (0)
+#define TEST3(X,T) do { TEST2((T)(X)); TEST2((unsigned T)(X)); } while (0)
+#define TEST4(X) \
+ do \
+ { \
+ TEST3((X),short); \
+ TEST3((X),int); \
+ TEST3((X),long); \
+ TEST3((X),long long); \
+ } \
+ while (0)
+
+static int debug, nfailed = 0;
+
+static void check (const char *s, int arg1, int shift)
+{
+ int failed = arg1 != shift;
+ if (debug || failed)
+ printf ("%s %d %d\n", s, arg1, shift);
+ nfailed += failed;
+}
+
+int main (int argc, char **argv)
+{
+ debug = argc > 1;
+ TEST4(1);
+ TEST4(-1);
+ printf ("%d test(s) failed\n", nfailed);
+ return nfailed != 0;
+}