diff -r 72da0e4cbf4a -r 41a7cef34c19 test/array_tests.c
--- a/test/array_tests.c	Sun Nov 03 17:03:10 2019 +0100
+++ b/test/array_tests.c	Wed Nov 06 16:27:54 2019 +0100
@@ -96,6 +96,48 @@
     ucx_array_free(array);
 }
 
+UCX_TEST(test_ucx_array_append_from_struct) {
+    struct teststruct {
+        unsigned long long x;
+        unsigned long long y;
+        unsigned long long z;
+    };
+    
+    UcxArray *array = ucx_array_new(16, sizeof(struct teststruct));
+    struct teststruct *elements;
+    
+    struct teststruct data;
+    data.x = 13; data.y = 37; data.z = 47;
+    
+    ucx_array_append_from(array, &data, 1);
+    UCX_TEST_BEGIN
+    
+    elements = array->data;
+    UCX_TEST_ASSERT(elements[0].x == 13, "failed");
+    UCX_TEST_ASSERT(elements[0].y == 37, "failed");
+    UCX_TEST_ASSERT(elements[0].z == 47, "failed");
+    
+    data.x = 0; data.y = 8; data.z = 15;
+    ucx_array_append_from(array, &data, 1);
+    
+    elements = array->data;
+    UCX_TEST_ASSERT(array->size == 2, "incorrect size after append");
+    UCX_TEST_ASSERT(elements[1].x == 0, "failed");
+    UCX_TEST_ASSERT(elements[1].y == 8, "failed");
+    UCX_TEST_ASSERT(elements[1].z == 15, "failed");
+    
+    UCX_TEST_ASSERT(elements[0].x == 13,
+            "append corrupted previously inserted data");
+    UCX_TEST_ASSERT(elements[0].y == 37,
+            "append corrupted previously inserted data");
+    UCX_TEST_ASSERT(elements[0].z == 47,
+            "append corrupted previously inserted data");
+    
+    UCX_TEST_END
+    
+    ucx_array_destroy(array);
+}
+
 UCX_TEST(test_ucx_array_prepend_from) {
     int *elems;
     UcxArray *array = ucx_array_new(16, sizeof(int));
@@ -195,6 +237,48 @@
     ucx_array_destroy(array);
 }
 
+UCX_TEST(test_ucx_array_append_struct) {
+    struct teststruct {
+        unsigned long long x;
+        unsigned long long y;
+        unsigned long long z;
+    };
+    
+    UcxArray *array = ucx_array_new(16, sizeof(struct teststruct));
+    struct teststruct *elements;
+    
+    struct teststruct data;
+    data.x = 13; data.y = 37; data.z = 47;
+    
+    ucx_array_append(array, data);
+    UCX_TEST_BEGIN
+    
+    elements = array->data;
+    UCX_TEST_ASSERT(elements[0].x == 13, "failed");
+    UCX_TEST_ASSERT(elements[0].y == 37, "failed");
+    UCX_TEST_ASSERT(elements[0].z == 47, "failed");
+    
+    data.x = 0; data.y = 8; data.z = 15;
+    ucx_array_append(array, data);
+    
+    elements = array->data;
+    UCX_TEST_ASSERT(array->size == 2, "incorrect size after append");
+    UCX_TEST_ASSERT(elements[1].x == 0, "failed");
+    UCX_TEST_ASSERT(elements[1].y == 8, "failed");
+    UCX_TEST_ASSERT(elements[1].z == 15, "failed");
+    
+    UCX_TEST_ASSERT(elements[0].x == 13,
+            "append corrupted previously inserted data");
+    UCX_TEST_ASSERT(elements[0].y == 37,
+            "append corrupted previously inserted data");
+    UCX_TEST_ASSERT(elements[0].z == 47,
+            "append corrupted previously inserted data");
+    
+    UCX_TEST_END
+    
+    ucx_array_destroy(array);
+}
+
 UCX_TEST(test_ucx_array_prepend) {
     int *elems;
     UcxArray *array = ucx_array_new(16, sizeof(int));