two more tests

test/val/casttochar.c

@@ -0,0 +1,49 @@
+
+/*
+  !!DESCRIPTION!! Cast to char
+  !!ORIGIN!!      Piotr Fusik
+  !!LICENCE!!     PD
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+
+static unsigned int failures = 0;
+
+int f1(int i, int j) {
+    return (signed char) (i + 1) == j;
+}
+
+int f2(int i, int j) {
+    return (unsigned char) (i + 1) == j;
+}
+
+int f3(int i, int j) {
+    return (char) (i + 1) == j;
+}
+
+int main(void)
+{
+    printf("f1: got :%04x ", f1(0x1234, 0x35));
+    if(f1(0x1234, 0x35) == 0) {
+        printf("- failed");
+        failures++;
+    }
+    printf("\n");
+
+    printf("f2: got :%04x ", f2(0x1234, 0x35));
+    if(f2(0x1234, 0x35) == 0) {
+        printf("- failed");
+        failures++;
+    }
+    printf("\n");
+
+    printf("f3: got :%04x ", f3(0x1234, 0x35));
+    if(f3(0x1234, 0x35) == 0) {
+        printf("- failed");
+        failures++;
+    }
+    printf("\n");
+
+    return failures;
+}