diff --git a/src/dc_param.rs b/src/dc_param.rs
index 4d9250f00..cb6aa5a5a 100644
--- a/src/dc_param.rs
+++ b/src/dc_param.rs
@@ -372,3 +372,68 @@ pub unsafe fn dc_param_set_float(param: *mut dc_param_t, key: libc::c_int, value
     dc_param_set(param, key, value_str);
     free(value_str as *mut libc::c_void);
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::ffi::CStr;
+
+    #[test]
+    fn test_dc_param() {
+        unsafe {
+            let p1: *mut dc_param_t = dc_param_new();
+            dc_param_set_packed(
+                p1,
+                b"\r\n\r\na=1\nb=2\n\nc = 3 \x00" as *const u8 as *const libc::c_char,
+            );
+
+            assert_eq!(dc_param_get_int(p1, 'a' as i32, 0), 1);
+            assert_eq!(dc_param_get_int(p1, 'b' as i32, 0), 2);
+            assert_eq!(dc_param_get_int(p1, 'c' as i32, 0), 0);
+            assert_eq!(dc_param_exists(p1, 'c' as i32), 0);
+
+            dc_param_set_int(p1, 'd' as i32, 4i32);
+
+            assert_eq!(dc_param_get_int(p1, 'd' as i32, 0), 4);
+
+            dc_param_empty(p1);
+            dc_param_set(
+                p1,
+                'a' as i32,
+                b"foo\x00" as *const u8 as *const libc::c_char,
+            );
+            dc_param_set_int(p1, 'b' as i32, 2i32);
+            dc_param_set(p1, 'c' as i32, 0 as *const libc::c_char);
+            dc_param_set_int(p1, 'd' as i32, 4i32);
+
+            assert_eq!(
+                CStr::from_ptr((*p1).packed as *const libc::c_char)
+                    .to_str()
+                    .unwrap(),
+                "a=foo\nb=2\nd=4"
+            );
+
+            dc_param_set(p1, 'b' as i32, 0 as *const libc::c_char);
+
+            assert_eq!(
+                CStr::from_ptr((*p1).packed as *const libc::c_char)
+                    .to_str()
+                    .unwrap(),
+                "a=foo\nd=4",
+            );
+
+            dc_param_set(p1, 'a' as i32, 0 as *const libc::c_char);
+            dc_param_set(p1, 'd' as i32, 0 as *const libc::c_char);
+
+            assert_eq!(
+                CStr::from_ptr((*p1).packed as *const libc::c_char)
+                    .to_str()
+                    .unwrap(),
+                "",
+            );
+
+            dc_param_unref(p1);
+        }
+    }
+
+}
diff --git a/tests/stress.rs b/tests/stress.rs
index 58b34761d..5ec3d36db 100644
--- a/tests/stress.rs
+++ b/tests/stress.rs
@@ -412,107 +412,6 @@ unsafe fn stress_functions(context: &Context) {
         free(fn0 as *mut libc::c_void);
         free(fn1 as *mut libc::c_void);
     }
-    let p1: *mut dc_param_t = dc_param_new();
-    dc_param_set_packed(
-        p1,
-        b"\r\n\r\na=1\nb=2\n\nc = 3 \x00" as *const u8 as *const libc::c_char,
-    );
-    if 0 != !(dc_param_get_int(p1, 'a' as i32, 0i32) == 1i32) as usize {
-        __assert_rtn(
-            (*::std::mem::transmute::<&[u8; 17], &[libc::c_char; 17]>(b"stress_functions\x00"))
-                .as_ptr(),
-            b"../cmdline/stress.c\x00" as *const u8 as *const libc::c_char,
-            690i32,
-            b"dc_param_get_int(p1, \'a\', 0)==1\x00" as *const u8 as *const libc::c_char,
-        );
-    } else {
-    };
-    if 0 != !(dc_param_get_int(p1, 'b' as i32, 0i32) == 2i32) as usize {
-        __assert_rtn(
-            (*::std::mem::transmute::<&[u8; 17], &[libc::c_char; 17]>(b"stress_functions\x00"))
-                .as_ptr(),
-            b"../cmdline/stress.c\x00" as *const u8 as *const libc::c_char,
-            691i32,
-            b"dc_param_get_int(p1, \'b\', 0)==2\x00" as *const u8 as *const libc::c_char,
-        );
-    } else {
-    };
-    if 0 != !(dc_param_get_int(p1, 'c' as i32, 0i32) == 0i32) as usize {
-        __assert_rtn(
-            (*::std::mem::transmute::<&[u8; 17], &[libc::c_char; 17]>(b"stress_functions\x00"))
-                .as_ptr(),
-            b"../cmdline/stress.c\x00" as *const u8 as *const libc::c_char,
-            692i32,
-            b"dc_param_get_int(p1, \'c\', 0)==0\x00" as *const u8 as *const libc::c_char,
-        );
-    } else {
-    };
-    if 0 != !(dc_param_exists(p1, 'c' as i32) == 0i32) as usize {
-        __assert_rtn(
-            (*::std::mem::transmute::<&[u8; 17], &[libc::c_char; 17]>(b"stress_functions\x00"))
-                .as_ptr(),
-            b"../cmdline/stress.c\x00" as *const u8 as *const libc::c_char,
-            693i32,
-            b"dc_param_exists (p1, \'c\')==0\x00" as *const u8 as *const libc::c_char,
-        );
-    } else {
-    };
-    dc_param_set_int(p1, 'd' as i32, 4i32);
-    if 0 != !(dc_param_get_int(p1, 'd' as i32, 0i32) == 4i32) as usize {
-        __assert_rtn(
-            (*::std::mem::transmute::<&[u8; 17], &[libc::c_char; 17]>(b"stress_functions\x00"))
-                .as_ptr(),
-            b"../cmdline/stress.c\x00" as *const u8 as *const libc::c_char,
-            696i32,
-            b"dc_param_get_int(p1, \'d\', 0)==4\x00" as *const u8 as *const libc::c_char,
-        );
-    } else {
-    };
-    dc_param_empty(p1);
-    dc_param_set(
-        p1,
-        'a' as i32,
-        b"foo\x00" as *const u8 as *const libc::c_char,
-    );
-    dc_param_set_int(p1, 'b' as i32, 2i32);
-    dc_param_set(p1, 'c' as i32, 0 as *const libc::c_char);
-    dc_param_set_int(p1, 'd' as i32, 4i32);
-    if 0 != !(strcmp(
-        (*p1).packed,
-        b"a=foo\nb=2\nd=4\x00" as *const u8 as *const libc::c_char,
-    ) == 0i32) as usize
-    {
-        __assert_rtn(
-            (*::std::mem::transmute::<&[u8; 17], &[libc::c_char; 17]>(b"stress_functions\x00"))
-                .as_ptr(),
-            b"../cmdline/stress.c\x00" as *const u8 as *const libc::c_char,
-            703i32,
-            b"strcmp(p1->packed, \"a=foo\\nb=2\\nd=4\")==0\x00" as *const u8 as *const libc::c_char,
-        );
-    } else {
-    };
-
-    dc_param_set(p1, 'b' as i32, 0 as *const libc::c_char);
-
-    assert_eq!(
-        CStr::from_ptr((*p1).packed as *const libc::c_char)
-            .to_str()
-            .unwrap(),
-        "a=foo\nd=4",
-    );
-
-    dc_param_set(p1, 'a' as i32, 0 as *const libc::c_char);
-    dc_param_set(p1, 'd' as i32, 0 as *const libc::c_char);
-
-    assert_eq!(
-        CStr::from_ptr((*p1).packed as *const libc::c_char)
-            .to_str()
-            .unwrap(),
-        "",
-    );
-
-    dc_param_unref(p1);
-
     let mut keys: *mut libc::c_char = dc_get_config(
         context,
         b"sys.config_keys\x00" as *const u8 as *const libc::c_char,