diff -r b3ad9d1a20b7 -r bc81faa9afda test/array_tests.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/array_tests.c	Thu Jul 04 20:07:31 2019 +0200
@@ -0,0 +1,448 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2019 Mike Becker, Olaf Wintermann All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "array_tests.h"
+#include <ucx/utils.h>
+
+UCX_TEST(test_ucx_array_free) {
+    UcxArray array = ucx_array_new(16, sizeof(int));
+    
+    UCX_TEST_BEGIN
+    ucx_array_free(&array);
+    UCX_TEST_ASSERT(array.data == NULL, "data pointer not NULL after free");
+    UCX_TEST_ASSERT(array.size == 0, "size not zero after free");
+    UCX_TEST_ASSERT(array.capacity == 0, "capacity not zero after free");
+    UCX_TEST_ASSERT(array.allocator == ucx_default_allocator(),
+            "allocator corrupted during free");
+    UCX_TEST_END
+}
+
+UCX_TEST(test_ucx_array_new) {
+    UcxArray array = ucx_array_new(16, 47);
+    
+    UCX_TEST_BEGIN
+    UCX_TEST_ASSERT(array.data, "no memory allocated");
+    UCX_TEST_ASSERT(array.size == 0, "size not initially zero");
+    UCX_TEST_ASSERT(array.capacity == 16, "capacity not as requested");
+    UCX_TEST_ASSERT(array.elemsize == 47, "element size not as requested");
+    UCX_TEST_ASSERT(array.allocator == ucx_default_allocator(),
+            "array not using the default allocator");
+    UCX_TEST_END
+    ucx_array_free(&array);
+}
+
+UCX_TEST(test_ucx_array_append) {
+    UcxArray array = ucx_array_new(16, sizeof(int));
+    
+    int x = 42;
+    ucx_array_append(&array, &x);
+    UCX_TEST_BEGIN
+    
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 0) == 42, "failed");
+    
+    x = 13;
+    ucx_array_append(&array, &x);
+    
+    UCX_TEST_ASSERT(array.size == 2, "incorrect size after append");
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 1) == 13, "failed");
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 0) == 42,
+            "append corrupted previously inserted data");
+    
+    ucx_array_append(&array, NULL);
+    
+    UCX_TEST_ASSERT(array.size == 3, "incorrect size after NULL append");
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 2) == 0, "element is not zeroed");
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 0) == 42,
+            "NULL append corrupted previously inserted data");
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 1) == 13,
+            "NULL append corrupted previously inserted data");
+    
+    UCX_TEST_END
+    
+    ucx_array_free(&array);
+}
+
+UCX_TEST(test_ucx_array_prepend) {
+    UcxArray array = ucx_array_new(16, sizeof(int));
+    
+    int x = 42;
+    ucx_array_prepend(&array, &x);
+    UCX_TEST_BEGIN
+    
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 0) == 42, "failed");
+    
+    x = 13;
+    ucx_array_prepend(&array, &x);
+    
+    UCX_TEST_ASSERT(array.size == 2, "incorrect size after prepend");
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 0) == 13, "failed");
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 1) == 42,
+            "prepend corrupted previously inserted data");
+    
+    ucx_array_prepend(&array, NULL);
+    
+    UCX_TEST_ASSERT(array.size == 3, "incorrect size after NULL prepend");
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 0) == 0, "element is not zeroed");
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 1) == 13,
+            "NULL prepend corrupted previously inserted data");
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 2) == 42,
+            "NULL prepend corrupted previously inserted data");
+    
+    UCX_TEST_END
+    
+    ucx_array_free(&array);
+}
+
+UCX_TEST(test_ucx_array_equals) {
+    UcxArray a1 = ucx_array_new(16, sizeof(int));
+    UcxArray a2 = ucx_array_new(16, sizeof(int));
+    UcxArray a3 = ucx_array_new(16, sizeof(long int));
+    UcxArray a4 = ucx_array_new(16, sizeof(int));
+    
+    a1.size = 5;
+    ucx_array_at_int(a1, 0) = 47;
+    ucx_array_at_int(a1, 1) = 11;
+    ucx_array_at_int(a1, 2) = 0;
+    ucx_array_at_int(a1, 3) = 8;
+    ucx_array_at_int(a1, 4) = 15;
+    a2.size = 5;
+    ucx_array_at_int(a2, 0) = 47;
+    ucx_array_at_int(a2, 1) = 11;
+    ucx_array_at_int(a2, 2) = 0;
+    ucx_array_at_int(a2, 3) = 8;
+    ucx_array_at_int(a2, 4) = 15;
+    a3.size = 5;
+    ucx_array_at_longint(a3, 0) = 47;
+    ucx_array_at_longint(a3, 1) = 11;
+    ucx_array_at_longint(a3, 2) = 0;
+    ucx_array_at_longint(a3, 3) = 8;
+    ucx_array_at_longint(a3, 4) = 15;
+    a4.size = 5;
+    ucx_array_at_int(a4, 0) = 47;
+    ucx_array_at_int(a4, 1) = 11;
+    ucx_array_at_int(a4, 2) = -6;
+    ucx_array_at_int(a4, 3) = 8;
+    ucx_array_at_int(a4, 4) = 15;
+    
+    UCX_TEST_BEGIN
+    
+    UCX_TEST_ASSERT(ucx_array_equals(a1, a2, ucx_cmp_int, NULL) == 0, "failed");
+    UCX_TEST_ASSERT(ucx_array_equals(a1, a4, ucx_cmp_int, NULL) > 0, "failed");
+    UCX_TEST_ASSERT(ucx_array_equals(a4, a1, ucx_cmp_int, NULL) < 0, "failed");
+    UCX_TEST_ASSERT(ucx_array_equals(a1, a3, ucx_cmp_int, NULL) < 0,
+            "comparing arrays of different element size failed");
+    UCX_TEST_ASSERT(ucx_array_equals(a3, a1, ucx_cmp_int, NULL) > 0,
+            "comparing arrays of different element size failed");
+    
+    UCX_TEST_ASSERT(ucx_array_equals(a1, a2, NULL, NULL) == 0,
+            "compare using memcmp() failed");
+    UCX_TEST_ASSERT(ucx_array_equals(a1, a4, NULL, NULL) > 0,
+            "compare using memcmp() failed");
+    UCX_TEST_ASSERT(ucx_array_equals(a4, a1, NULL, NULL) < 0,
+            "compare using memcmp() failed");
+    
+    UCX_TEST_END
+    ucx_array_free(&a1);
+    ucx_array_free(&a2);
+    ucx_array_free(&a3);
+    ucx_array_free(&a4);
+}
+
+UCX_TEST(test_ucx_array_concat) {
+    UcxArray a1 = ucx_array_new(16, sizeof(int));
+    UcxArray a2 = ucx_array_new(16, sizeof(int));
+    
+    a1.size = 2;
+    ucx_array_at_int(a1, 0) = 47;
+    ucx_array_at_int(a1, 1) = 11;
+    a2.size = 3;
+    ucx_array_at_int(a2, 0) = 0;
+    ucx_array_at_int(a2, 1) = 8;
+    ucx_array_at_int(a2, 2) = 15;
+    
+    UCX_TEST_BEGIN
+    
+    UCX_TEST_ASSERT(!ucx_array_concat(&a1, &a2), "failed");
+    UCX_TEST_ASSERT(a1.size == 5, "failed");
+    UCX_TEST_ASSERT(ucx_array_at_int(a1, 0) == 47, "failed");
+    UCX_TEST_ASSERT(ucx_array_at_int(a1, 1) == 11, "failed");
+    UCX_TEST_ASSERT(ucx_array_at_int(a1, 2) == 0, "failed");
+    UCX_TEST_ASSERT(ucx_array_at_int(a1, 3) == 8, "failed");
+    UCX_TEST_ASSERT(ucx_array_at_int(a1, 4) == 15, "failed");
+    
+    a1.elemsize *= 2;
+    UCX_TEST_ASSERT(ucx_array_concat(&a1, &a2),
+            "arrays of different element size must not be concatenated");
+    UCX_TEST_ASSERT(a1.size == 5,
+            "arrays of different element size must not be concatenated");
+    
+    UCX_TEST_END
+    ucx_array_free(&a1);
+    ucx_array_free(&a2);    
+}
+
+UCX_TEST(test_ucx_array_at) {
+    UcxArray array = ucx_array_new(16, sizeof(int));
+    
+    int x = 42;
+    ucx_array_append(&array, &x);
+    x = 13;
+    ucx_array_append(&array, &x);
+    x = 5;
+    ucx_array_append(&array, &x);
+    
+    UCX_TEST_BEGIN
+    
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 1) == 13, "failed");
+    ucx_array_at_int(array, 1) = 80;
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 1) == 80, "assignment failed");
+    
+    
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 0) == 42, "corrupted data");
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 2) == 5, "corrupted data");
+    
+    UCX_TEST_END
+    
+    ucx_array_free(&array);
+}
+
+UCX_TEST(test_ucx_array_find) {
+    UcxArray array = ucx_array_new(16, sizeof(int));
+    
+    array.size = 5;
+    ucx_array_at_int(array, 0) = 47;
+    ucx_array_at_int(array, 1) = 11;
+    ucx_array_at_int(array, 2) = 0;
+    ucx_array_at_int(array, 3) = 8;
+    ucx_array_at_int(array, 4) = 15;
+    
+    int x = 8;
+    int y = 90;
+    
+    UCX_TEST_BEGIN
+    
+    UCX_TEST_ASSERT(ucx_array_find(array,(void*)&x,ucx_cmp_int,NULL) == 3,
+        "doesn't find element");
+    UCX_TEST_ASSERT(ucx_array_find(array,(void*)&y,ucx_cmp_int,NULL) == 5,
+        "finds non-existing element");
+    
+    UCX_TEST_ASSERT(ucx_array_find(array,(void*)&x,NULL,NULL) == 3,
+        "failed using memcmp()");
+    UCX_TEST_ASSERT(ucx_array_find(array,(void*)&y,NULL,NULL) == 5,
+        "failed using memcmp()");
+    
+    UCX_TEST_END
+    ucx_array_free(&array);
+}
+
+UCX_TEST(test_ucx_array_contains) {
+    UcxArray array = ucx_array_new(16, sizeof(int));
+    
+    array.size = 5;
+    ucx_array_at_int(array, 0) = 47;
+    ucx_array_at_int(array, 1) = 11;
+    ucx_array_at_int(array, 2) = 0;
+    ucx_array_at_int(array, 3) = 8;
+    ucx_array_at_int(array, 4) = 15;
+    
+    int x = 8;
+    int y = 90;
+    
+    UCX_TEST_BEGIN
+    
+    UCX_TEST_ASSERT(ucx_array_contains(array,(void*)&x,ucx_cmp_int,NULL),
+        "false negative");
+    UCX_TEST_ASSERT(!ucx_array_contains(array,(void*)&y,ucx_cmp_int,NULL),
+        "false positive");
+    
+    UCX_TEST_ASSERT(ucx_array_contains(array,(void*)&x,NULL,NULL),
+        "false negative using memcmp()");
+    UCX_TEST_ASSERT(!ucx_array_contains(array,(void*)&y,NULL,NULL),
+        "false positive using memcmp()");
+    
+    UCX_TEST_END
+    ucx_array_free(&array);
+}
+
+UCX_TEST(test_ucx_array_remove) {
+    UcxArray array = ucx_array_new(16, sizeof(int));
+    
+    array.size = 5;
+    ucx_array_at_int(array, 0) = 47;
+    ucx_array_at_int(array, 1) = 11;
+    ucx_array_at_int(array, 2) = 0;
+    ucx_array_at_int(array, 3) = 8;
+    ucx_array_at_int(array, 4) = 15;
+        
+    UCX_TEST_BEGIN
+    
+    ucx_array_remove(&array, 2);
+    UCX_TEST_ASSERT(
+            ucx_array_at_int(array, 0) == 47 &&
+            ucx_array_at_int(array, 1) == 11 &&
+            ucx_array_at_int(array, 2) == 8 &&
+            ucx_array_at_int(array, 3) == 15,
+            "wrong contents after remove");
+    UCX_TEST_ASSERT(array.size == 4, "wrong size after remove");
+    
+    ucx_array_remove_fast(&array, 1);
+    UCX_TEST_ASSERT(
+            ucx_array_at_int(array, 0) == 47 &&
+            ucx_array_at_int(array, 1) == 15 &&
+            ucx_array_at_int(array, 2) == 8,
+            "wrong contents after fast remove");
+    UCX_TEST_ASSERT(array.size == 3, "wrong size after fast remove");
+    
+    UCX_TEST_END
+    ucx_array_free(&array);
+}
+
+UCX_TEST(test_ucx_array_clone) {
+   
+    UcxArray array = ucx_array_new(16, sizeof(int));
+    
+    array.size = 5;
+    ucx_array_at_int(array, 0) = 47;
+    ucx_array_at_int(array, 1) = 11;
+    ucx_array_at_int(array, 2) = 0;
+    ucx_array_at_int(array, 3) = 8;
+    ucx_array_at_int(array, 4) = 15;
+    
+    UcxArray copy = ucx_array_clone(array);
+    UCX_TEST_BEGIN
+
+    UCX_TEST_ASSERT(array.data != copy.data, "no true copy");
+    UCX_TEST_ASSERT(ucx_array_equals(array, copy, ucx_cmp_int, NULL), "failed");
+    UCX_TEST_ASSERT(array.size == copy.size, "size mismatch");
+    UCX_TEST_ASSERT(array.capacity == copy.capacity, "capacity mismatch");
+    UCX_TEST_ASSERT(array.elemsize == copy.elemsize, "element size mismatch");
+    UCX_TEST_ASSERT(array.allocator == copy.allocator, "allocator mismatch");
+    
+    UCX_TEST_END
+
+    ucx_array_free(&array);
+    ucx_array_free(&copy);
+}
+
+UCX_TEST(test_ucx_array_sort) {
+    UcxArray array = ucx_array_new(16, sizeof(int));
+    array.size = 5;
+    ucx_array_at_int(array, 0) = 47;
+    ucx_array_at_int(array, 1) = 11;
+    ucx_array_at_int(array, 2) = 0;
+    ucx_array_at_int(array, 3) = 8;
+    ucx_array_at_int(array, 4) = 15;
+    
+    UcxArray expected = ucx_array_new(16, sizeof(int));
+    expected.size = 5;
+    ucx_array_at_int(expected, 0) = 0;
+    ucx_array_at_int(expected, 1) = 8;
+    ucx_array_at_int(expected, 2) = 11;
+    ucx_array_at_int(expected, 3) = 15;
+    ucx_array_at_int(expected, 4) = 47;
+    
+
+    UCX_TEST_BEGIN
+    void* original_ptr = array.data;
+    UCX_TEST_ASSERT(!ucx_array_sort(array, ucx_cmp_int, NULL), "failed");
+    UCX_TEST_ASSERT(!ucx_array_equals(array, expected, NULL, NULL), "failed");
+    UCX_TEST_ASSERT(array.size == 5, "size corrupted");
+    UCX_TEST_ASSERT(array.data == original_ptr, "shall not reallocate");
+    UCX_TEST_END
+
+    ucx_array_free(&expected);
+    ucx_array_free(&array);
+}
+
+UCX_TEST(test_ucx_array_autogrow) {
+    UcxArray array = ucx_array_new(4, sizeof(int));
+    array.size = 3;
+    ucx_array_at_int(array, 0) = 47;
+    ucx_array_at_int(array, 1) = 11;
+    int x = 5;
+    
+    UCX_TEST_BEGIN
+
+    void* oldptr = array.data;
+    
+    ucx_array_append(&array, &x);
+    UCX_TEST_ASSERT(array.capacity == 4 && array.data == oldptr,
+            "array should not grow too early");
+    ucx_array_append(&array, &x);
+    UCX_TEST_ASSERT(array.capacity == 8, "array did not grow");
+    UCX_TEST_ASSERT(array.size == 5, "incorrect size after grow");
+    UCX_TEST_ASSERT(ucx_array_at_int(array, 3) == 5 &&
+        ucx_array_at_int(array, 3) == 5, "corrupt data");
+    
+    UCX_TEST_END
+    ucx_array_free(&array);
+}
+
+UCX_TEST(test_ucx_array_shrink) {
+    UcxArray array = ucx_array_new(16, sizeof(int));
+    array.size = 4;
+    
+    UCX_TEST_BEGIN
+    UCX_TEST_ASSERT(!ucx_array_shrink(&array), "failed");
+    UCX_TEST_ASSERT(array.capacity == 4, "incorrect capacity after shrink");
+    UCX_TEST_END
+    ucx_array_free(&array);
+}
+
+UCX_TEST(test_ucx_array_resize) {
+    UcxArray array = ucx_array_new(16, sizeof(int));
+    array.size = 8;
+    
+    UCX_TEST_BEGIN
+
+    UCX_TEST_ASSERT(!ucx_array_resize(&array, 32), "failed");
+    UCX_TEST_ASSERT(array.capacity == 32, "incorrect capacity after resize");
+    UCX_TEST_ASSERT(array.size == 8, "incorrect size after resize");
+    
+    UCX_TEST_ASSERT(!ucx_array_resize(&array, 4), "failed");
+    UCX_TEST_ASSERT(array.capacity == 4, "incorrect capacity after resize");
+    UCX_TEST_ASSERT(array.size == 4, "incorrect size after resize");
+    
+    UCX_TEST_END
+    ucx_array_free(&array);
+}
+
+UCX_TEST(test_ucx_array_reserve) {
+    UcxArray array = ucx_array_new(16, sizeof(int));
+    
+    UCX_TEST_BEGIN
+
+    UCX_TEST_ASSERT(!ucx_array_reserve(&array, 4), "failed");
+    UCX_TEST_ASSERT(array.capacity == 16, "reserve shall not shrink");
+            
+    UCX_TEST_ASSERT(!ucx_array_resize(&array, 32), "failed");
+    UCX_TEST_ASSERT(array.capacity == 32, "incorrect capacity after reserve");    
+    
+    UCX_TEST_END
+    ucx_array_free(&array);
+}