diff --git a/test/salloc_align.c b/test/salloc_align.c
new file mode 100644
index 0000000..8fbf7e3
--- /dev/null
+++ b/test/salloc_align.c
@@ -0,0 +1,40 @@
+#ifndef DEBUG
+#define DEBUG
+#endif
+
+#include <string.h>
+#include <stdio.h>
+#include <assert.h>
+#include "ucore/ucore_utils.h"
+#include "../src/ucore_salloc.c"
+
+// Intended to be run under valgrind. Should show no errors
+
+
+int main(int argc, char *argv[])
+{
+    size_t i;
+    Chunk *c;
+    SAlloc *s = uc_new_salloc(1023);
+    printf("Alignof double %zu\n", __alignof__(double));
+    printf("Alignof void* %zu\n", __alignof__(void*));
+    for (i = 0; i < 1013; i++) {
+        uc_s_alloc(s, sizeof(double)*41);
+    }
+
+    c = s->first;
+    while(c) {
+        uintptr_t p = (uintptr_t)&c->data.data[0];
+        printf("Chunk data %p\n", &c->data.data[0]);
+        c = c->next;
+        assert((p/__alignof__(short)) * __alignof__(short) == p);
+        assert((p/__alignof__(int)) * __alignof__(int) == p);
+        assert((p/__alignof__(float)) * __alignof__(float) == p);
+        assert((p/__alignof__(long long)) * __alignof__(long long) == p);
+        assert((p/__alignof__(void*)) * __alignof__(void*) == p);
+    }
+    
+    uc_free_salloc(s);
+
+    return 0;
+}