Mercurial > hg > ucx / file diff

--- a/tests/test_hash_map.c	Sun Oct 26 12:01:28 2025 +0100
+++ b/tests/test_hash_map.c	Sun Oct 26 12:44:33 2025 +0100
@@ -28,6 +28,8 @@
 
 #include "cx/test.h"
 #include "util_allocator.h"
+#include "cx/array_list.h"
+#include "cx/list.h"
 
 #include "cx/hash_map.h"
 
@@ -626,6 +628,97 @@
     cx_testing_allocator_destroy(&talloc);
 }
 
+CX_TEST(test_hash_map_difference) {
+    CxMap *dst = cxHashMapCreateSimple(sizeof(int));
+
+    CxMap *s1 = cxHashMapCreateSimple(CX_STORE_POINTERS);
+    CxMap *s2 = cxHashMapCreateSimple(CX_STORE_POINTERS);
+    const char *s1_keys[] = {"k1", "k2", "k3"};
+    int s1_values[] = {1, 3, 4};
+    const char *s2_keys[] = {"k4", "k2", "k5"};
+    int s2_values[] = {7, 9, 15};
+    for (unsigned int i = 0 ; i < 3 ; i++) {
+        cxMapPut(s1, s1_keys[i], &s1_values[i]);
+        cxMapPut(s2, s2_keys[i], &s2_values[i]);
+    }
+    CX_TEST_DO {
+        int c = 4;
+        test_hash_map_clone_func_max_clones = 100; // no limit
+        CX_TEST_ASSERT(0 == cxMapDifference(dst, s1, s2, test_hash_map_clone_func, NULL, &c));
+        CX_TEST_ASSERT(cxMapSize(dst) == 2);
+        CX_TEST_ASSERT(*((int*)cxMapGet(dst, "k1")) == 5);
+        CX_TEST_ASSERT(cxMapGet(dst, "k2") == NULL);
+        CX_TEST_ASSERT(*((int*)cxMapGet(dst, "k3")) == 8);
+    }
+    cxMapFree(dst);
+    cxMapFree(s1);
+    cxMapFree(s2);
+}
+
+CX_TEST(test_hash_map_list_difference) {
+    CxMap *dst = cxHashMapCreateSimple(sizeof(int));
+    CxMap *src = cxHashMapCreateSimple(sizeof(int));
+    CxList *keys = cxArrayListCreate(NULL, cx_hash_key_cmp, sizeof(CxHashKey), 4);
+
+    const char *src_keys[] = {"k1", "k2", "k3"};
+    int src_values[] = {1, 3, 4};
+    for (unsigned int i = 0 ; i < 3 ; i++) {
+        cxMapPut(src, src_keys[i], &src_values[i]);
+    }
+    const char *k[] = {"k4", "k2", "k5"};
+    for (unsigned int i = 0 ; i < 3 ; i++) {
+        CxHashKey key = CX_HASH_KEY(k[i]);
+        cxListAdd(keys, &key);
+    }
+    CX_TEST_DO {
+        int c = 4;
+        test_hash_map_clone_func_max_clones = 100; // no limit
+        CX_TEST_ASSERT(0 == cxMapListDifference(dst, src, keys, test_hash_map_clone_func, NULL, &c));
+        CX_TEST_ASSERT(cxMapSize(dst) == 2);
+        CX_TEST_ASSERT(*((int*)cxMapGet(dst, "k1")) == 5);
+        CX_TEST_ASSERT(cxMapGet(dst, "k2") == NULL);
+        CX_TEST_ASSERT(*((int*)cxMapGet(dst, "k3")) == 8);
+    }
+    cxMapFree(dst);
+    cxMapFree(src);
+    cxListFree(keys);
+}
+
+CX_TEST(test_hash_map_difference_ptr) {
+    CxTestingAllocator talloc;
+    cx_testing_allocator_init(&talloc);
+    CxAllocator *allocator = &talloc.base;
+    CxMap *dst = cxHashMapCreateSimple(CX_STORE_POINTERS);
+    cxDefineAdvancedDestructor(dst, cxFree, allocator);
+
+    CxMap *s1 = cxHashMapCreateSimple(CX_STORE_POINTERS);
+    CxMap *s2 = cxHashMapCreateSimple(CX_STORE_POINTERS);
+    const char *s1_keys[] = {"k1", "k2", "k3"};
+    int s1_values[] = {1, 3, 4};
+    const char *s2_keys[] = {"k4", "k2", "k5"};
+    int s2_values[] = {7, 9, 15};
+    for (unsigned int i = 0 ; i < 3 ; i++) {
+        cxMapPut(s1, s1_keys[i], &s1_values[i]);
+        cxMapPut(s2, s2_keys[i], &s2_values[i]);
+    }
+    CX_TEST_DO {
+        int c = 4;
+        test_hash_map_clone_func_max_clones = 100; // no limit
+        CX_TEST_ASSERT(0 == cxMapDifference(dst, s1, s2, test_hash_map_clone_func, allocator, &c));
+        CX_TEST_ASSERT(cxMapSize(dst) == 2);
+        CX_TEST_ASSERT(*((int*)cxMapGet(dst, "k1")) == 5);
+        CX_TEST_ASSERT(cxMapGet(dst, "k2") == NULL);
+        CX_TEST_ASSERT(*((int*)cxMapGet(dst, "k3")) == 8);
+
+        cxMapClear(dst);
+        CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
+    }
+    cxMapFree(dst);
+    cxMapFree(s1);
+    cxMapFree(s2);
+    cx_testing_allocator_destroy(&talloc);
+}
+
 CX_TEST(test_empty_map_size) {
     CX_TEST_DO {
         CX_TEST_ASSERT(cxEmptyMap->collection.size == 0);
@@ -974,6 +1067,9 @@
     cx_test_register(suite, test_hash_map_clone);
     cx_test_register(suite, test_hash_map_clone_alloc_fail);
     cx_test_register(suite, test_hash_map_clone_ptr);
+    cx_test_register(suite, test_hash_map_difference);
+    cx_test_register(suite, test_hash_map_difference_ptr);
+    cx_test_register(suite, test_hash_map_list_difference);
     cx_test_register(suite, test_empty_map_no_ops);
     cx_test_register(suite, test_empty_map_size);
     cx_test_register(suite, test_empty_map_get);