test: page_insert and page_get

test/storage/test_page.c

@@ -8,6 +8,7 @@
 
 #include <assert.h>
 #include <stdio.h>
+#include <string.h>
 
 static void
 test_create_returns_non_null(void)
@@ -28,12 +29,60 @@ test_insert_returns_slot_id(void)
     printf("  OK: Insert\n");
 }
 
+static void
+test_insert_and_get(void)
+{
+    Page * p = page_create(1);
+
+    int slot = page_insert(p, "ABAP", 4);
+    assert(slot == 0);
+
+    size_t len = 0;
+    void * result = page_get(p, 0, &len);
+    assert(result != NULL);
+    assert(len == 4);
+    assert(memcmp(result, "ABAP", 4) == 0);
+
+    page_free(p);
+    printf("  OK: insert + get roundtrip\n");
+}
+
+static void
+test_multiple_inserts(void)
+{
+    Page * p = page_create(2);
+
+    assert(page_insert(p, "ABAP", 4) == 0);
+    assert(page_insert(p, "HANA", 4) == 1);
+    assert(page_insert(p, "CDS", 3) == 2);
+
+    size_t len = 0;
+    assert(memcmp(page_get(p, 0, &len), "ABAP", 4) == 0);
+    assert(memcmp(page_get(p, 1, &len), "HANA", 4) == 0);
+    assert(memcmp(page_get(p, 2, &len), "CDS", 3) == 0);
+
+    page_free(p);
+    printf("  OK: multiple inserts\n");
+}
+
+static void
+test_invalid_slot_returns_null(void)
+{
+    Page * p = page_create(3);
+    assert(page_get(p, 99, NULL) == NULL);
+    page_free(p);
+    printf("  OK: invalid slot returns NULL\n");
+}
+
 int
 main(void)
 {
     printf("=== test_page ===\n");
     test_create_returns_non_null();
     test_insert_returns_slot_id();
+    test_insert_and_get();
+    test_multiple_inserts();
+    test_invalid_slot_returns_null();
     printf("All tests passed.\n");
     return 0;
 }