smarter and error test

test/misc/escape.c

@@ -0,0 +1,34 @@
+int getchar();
+int putchar(int ch);
+int fprintf(void* file, char* format, ...); 
+extern void* stdout;
+
+
+int main() {
+    char ch = 0["\t\r\""];;
+    while ((ch = getchar()) != -1) {
+        if (ch == '\\') {
+            ch = getchar();
+            if (ch == 'n') {
+                ch = '\n';
+            } else if (ch == 't') {
+                ch = '\t';
+            } else if (ch == 'r') {
+                ch = '\r';
+            } else if (ch == '0') {
+                ch = '\0';
+            } else if (ch == '\\') {
+                ch = '\\';
+            } else if (ch == '\'') {
+                ch = '\'';
+            } else if (ch == '\"') {
+                ch = '\"';
+            } else {
+                fprintf(stdout, "unexpected escaped character: '\\%c'\n", ch);
+                return 1;
+            }
+        }
+        putchar(ch);
+    }
+    return 0;
+}

test/misc/escape.in

@@ -0,0 +1 @@
+hello\n\tworld\u

test/misc/escape.out

@@ -0,0 +1,3 @@
+hello
+	worldunexpected escaped character: '\u'
+1

test/misc/overflow.c

@@ -0,0 +1,41 @@
+int printf(char* format, ...);
+
+
+enum {
+    a = 1
+};
+
+int get_20() {
+    return (a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(- -0)))))))))))))))))))));
+}
+
+void dummy(int a0, int a1, int a2, int a3, int a4, int a5, int a6, int a7) {
+    a0 += a1;
+    printf("%d\n", a0);
+    a0 -= a1;
+    printf("%d\n", a0);
+    a0 *= a1;
+    printf("%d\n", a0);
+    a0 /= a1;
+    printf("%d\n", a0);
+    a0 %= a1;
+    printf("%d\n", a0);
+    a0 &= a1;
+    printf("%d\n", a0);
+    a0 |= a1;
+    printf("%d\n", a0);
+    a0 ^= a2;
+    printf("%d\n", a0);
+    a0 <<= a1;
+    printf("%d\n", a0);
+    a0 >>= a1;
+    printf("%d\n", a0);
+}
+
+
+int main() {
+    char placeholder[4096];
+    int a = 1;
+    dummy((a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(! !0))))))))))))))))))))), 3, a, a, a, a, a, a);
+    return (a=(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(~ ~0)))))))))))))))))))))), (a = +a);
+}

test/misc/overflow.out

@@ -0,0 +1,11 @@
+23
+20
+60
+20
+2
+2
+3
+2
+16
+2
+20