smarter and error test

test/array/arith.c

@@ -0,0 +1,39 @@
+int printf(char* format, ...);
+int scanf(char* format, ...);
+int exit(int status);
+
+void assert_eq(int expected, int actual) {
+    if (expected != actual) {
+        printf("expected: %d, actual: %d\n", expected, actual);
+        exit(1);
+    }
+}
+
+
+void check(int a[], int i, int j) {
+    assert_eq(i - j, &a[i] - &a[j]);
+    assert_eq(j - i, &a[j] - &a[i]);
+    assert_eq(a[i], *(a + i));
+    assert_eq(i[a], *(i + a));
+    assert_eq(a[j - i], *(a + (j - i)));
+    assert_eq(j[a - i], *(j + (a - i)));
+}
+
+
+void check_all(int a[], int n) {
+    for (int i = 0; i < n; i++) {
+        for (int j = i + 1; j < n; j++) {
+            if (a[i] > a[j]) {
+                check(a, i, j);
+            }
+        }
+    }
+}
+
+int global[100];
+
+int main() {
+    int local[100];
+    check_all(global, 100);
+    check_all(local, 100);
+}

test/array/arith.out

@@ -0,0 +1 @@
+0

test/array/sort.c

@@ -2,13 +2,6 @@ int printf(char* format, ...);
 int scanf(char* format, ...);
 int exit(int status);
 
-void assert_eq(int expected, int actual) {
-    if (expected != actual) {
-        printf("expected: %d, actual: %d\n", expected, actual);
-        exit(1);
-    }
-}
-
 void swap(int* a, int* b) {
     int t = *a;
     *a = *b;
@@ -20,12 +13,6 @@ void sort(int a[], int n) {
         for (int j = i + 1; j < n; j++) {
             if (a[i] > a[j]) {
                 swap(&a[i], &a[j]);
-                assert_eq(i - j, &a[i] - &a[j]);
-                assert_eq(j - i, &a[j] - &a[i]);
-                assert_eq(a[i], *(a + i));
-                assert_eq(i[a], *(i + a));
-                assert_eq(a[j - i], *(a + (j - i)));
-                assert_eq(j[a - i], *(j + (a - i)));
             }
         }
     }

test/basic/main.c

@@ -0,0 +1,3 @@
+int main() {
+    return 42;
+}

test/error/array_pointer.c

@@ -0,0 +1,3 @@
+int main() {
+    int* a[10];
+}

test/loop/parse.out

@@ -0,0 +1 @@
+42

test/old/add.in

@@ -1 +0,0 @@
-5 4

test/op/binary.c

@@ -1,11 +1,8 @@
 int printf(char* format, ...);
-int scanf(char* format, ...);
 
 int main() {
-    int a;
-    int b;
-    scanf("%d", &a);
-    scanf("%d", &b);
+    int a = 5;
+    int b = 4;
     printf("%d+%d=%d\n", a, b, a + b);
     printf("%d-%d=%d\n", a, b, a - b);
     printf("%d*%d=%d\n", a, b, a * b);