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Diffstat (limited to 'tinyc/tests/tests2/93_integer_promotion.c')
-rw-r--r--tinyc/tests/tests2/93_integer_promotion.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/tinyc/tests/tests2/93_integer_promotion.c b/tinyc/tests/tests2/93_integer_promotion.c
new file mode 100644
index 000000000..a1176fc6b
--- /dev/null
+++ b/tinyc/tests/tests2/93_integer_promotion.c
@@ -0,0 +1,71 @@
+/* integer promotion */
+
+int printf(const char*, ...);
+#define promote(s) printf(" %ssigned : %s\n", (s) - 100 < 0 ? "  " : "un", #s);
+
+int main (void)
+{
+    struct {
+        unsigned ub:3;
+        unsigned u:32;
+        unsigned long long ullb:35;
+        unsigned long long ull:64;
+        unsigned char c;
+    } s = { 1, 1, 1 };
+
+    promote(s.ub);
+    promote(s.u);
+    promote(s.ullb);
+    promote(s.ull);
+    promote(s.c);
+    printf("\n");
+
+    promote((1 ? s.ub : 1));
+    promote((1 ? s.u : 1));
+    promote((1 ? s.ullb : 1));
+    promote((1 ? s.ull : 1));
+    promote((1 ? s.c : 1));
+    printf("\n");
+
+    promote(s.ub << 1);
+    promote(s.u << 1);
+    promote(s.ullb << 1);
+    promote(s.ull << 1);
+    promote(s.c << 1);
+    printf("\n");
+
+    promote(+s.ub);
+    promote(+s.u);
+    promote(+s.ullb);
+    promote(+s.ull);
+    promote(+s.c);
+    printf("\n");
+
+    promote(-s.ub);
+    promote(-s.u);
+    promote(-s.ullb);
+    promote(-s.ull);
+    promote(-s.c);
+    printf("\n");
+
+    promote(~s.ub);
+    promote(~s.u);
+    promote(~s.ullb);
+    promote(~s.ull);
+    promote(~s.c);
+    printf("\n");
+
+    promote(!s.ub);
+    promote(!s.u);
+    promote(!s.ullb);
+    promote(!s.ull);
+    promote(!s.c);
+    printf("\n");
+
+    promote(+(unsigned)s.ub);
+    promote(-(unsigned)s.ub);
+    promote(~(unsigned)s.ub);
+    promote(!(unsigned)s.ub);
+
+    return 0;
+}