[Feature][ZXW-88]merge P50 version

Only Configure: No
Affected branch: master
Affected module: unknown
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: I34667719d9e0e7e29e8e4368848601cde0a48408
diff --git a/ap/lib/libcurl/curl-7.86.0/tests/unit/unit1300.c b/ap/lib/libcurl/curl-7.86.0/tests/unit/unit1300.c
new file mode 100755
index 0000000..493a2f1
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.86.0/tests/unit/unit1300.c
@@ -0,0 +1,223 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+#include "curlcheck.h"
+
+#include "llist.h"
+
+static struct Curl_llist llist;
+
+static struct Curl_llist llist_destination;
+
+static void test_Curl_llist_dtor(void *key, void *value)
+{
+  /* used by the llist API, does nothing here */
+  (void)key;
+  (void)value;
+}
+
+static CURLcode unit_setup(void)
+{
+  Curl_llist_init(&llist, test_Curl_llist_dtor);
+  Curl_llist_init(&llist_destination, test_Curl_llist_dtor);
+  return CURLE_OK;
+}
+
+static void unit_stop(void)
+{
+}
+
+UNITTEST_START
+{
+  int unusedData_case1 = 1;
+  int unusedData_case2 = 2;
+  int unusedData_case3 = 3;
+  struct Curl_llist_element case1_list;
+  struct Curl_llist_element case2_list;
+  struct Curl_llist_element case3_list;
+  struct Curl_llist_element case4_list;
+  struct Curl_llist_element *head;
+  struct Curl_llist_element *element_next;
+  struct Curl_llist_element *element_prev;
+  struct Curl_llist_element *to_remove;
+  size_t llist_size = Curl_llist_count(&llist);
+
+  /**
+   * testing llist_init
+   * case 1:
+   * list initiation
+   * @assumptions:
+   * 1: list size will be 0
+   * 2: list head will be NULL
+   * 3: list tail will be NULL
+   * 4: list dtor will be NULL
+  */
+
+  fail_unless(llist.size == 0, "list initial size should be zero");
+  fail_unless(llist.head == NULL, "list head should initiate to NULL");
+  fail_unless(llist.tail == NULL, "list tail should intiate to NULL");
+  fail_unless(llist.dtor == test_Curl_llist_dtor,
+               "list dtor should initiate to test_Curl_llist_dtor");
+
+  /**
+   * testing Curl_llist_insert_next
+   * case 1:
+   * list is empty
+   * @assumptions:
+   * 1: list size will be 1
+   * 2: list head will hold the data "unusedData_case1"
+   * 3: list tail will be the same as list head
+   */
+
+  Curl_llist_insert_next(&llist, llist.head, &unusedData_case1, &case1_list);
+
+  fail_unless(Curl_llist_count(&llist) == 1,
+              "List size should be 1 after adding a new element");
+  /*test that the list head data holds my unusedData */
+  fail_unless(llist.head->ptr == &unusedData_case1,
+              "head ptr should be first entry");
+  /*same goes for the list tail */
+  fail_unless(llist.tail == llist.head,
+              "tail and head should be the same");
+
+  /**
+   * testing Curl_llist_insert_next
+   * case 2:
+   * list has 1 element, adding one element after the head
+   * @assumptions:
+   * 1: the element next to head should be our newly created element
+   * 2: the list tail should be our newly created element
+   */
+
+  Curl_llist_insert_next(&llist, llist.head,
+                         &unusedData_case3, &case3_list);
+  fail_unless(llist.head->next->ptr == &unusedData_case3,
+              "the node next to head is not getting set correctly");
+  fail_unless(llist.tail->ptr == &unusedData_case3,
+              "the list tail is not getting set correctly");
+
+  /**
+   * testing Curl_llist_insert_next
+   * case 3:
+   * list has >1 element, adding one element after "NULL"
+   * @assumptions:
+   * 1: the element next to head should be our newly created element
+   * 2: the list tail should different from newly created element
+   */
+
+  Curl_llist_insert_next(&llist, llist.head,
+                         &unusedData_case2, &case2_list);
+  fail_unless(llist.head->next->ptr == &unusedData_case2,
+              "the node next to head is not getting set correctly");
+  /* better safe than sorry, check that the tail isn't corrupted */
+  fail_unless(llist.tail->ptr != &unusedData_case2,
+              "the list tail is not getting set correctly");
+
+  /* unit tests for Curl_llist_remove */
+
+  /**
+   * case 1:
+   * list has >1 element, removing head
+   * @assumptions:
+   * 1: list size will be decremented by one
+   * 2: head will be the head->next
+   * 3: "new" head's previous will be NULL
+   */
+
+  head = llist.head;
+  abort_unless(head, "llist.head is NULL");
+  element_next = head->next;
+  llist_size = Curl_llist_count(&llist);
+
+  Curl_llist_remove(&llist, llist.head, NULL);
+
+  fail_unless(Curl_llist_count(&llist) ==  (llist_size-1),
+               "llist size not decremented as expected");
+  fail_unless(llist.head == element_next,
+               "llist new head not modified properly");
+  abort_unless(llist.head, "llist.head is NULL");
+  fail_unless(llist.head->prev == NULL,
+              "new head previous not set to null");
+
+  /**
+   * case 2:
+   * removing non head element, with list having >=2 elements
+   * @setup:
+   * 1: insert another element to the list to make element >=2
+   * @assumptions:
+   * 1: list size will be decremented by one ; tested
+   * 2: element->previous->next will be element->next
+   * 3: element->next->previous will be element->previous
+   */
+  Curl_llist_insert_next(&llist, llist.head, &unusedData_case3,
+                         &case4_list);
+  llist_size = Curl_llist_count(&llist);
+  fail_unless(llist_size == 3, "should be 3 list members");
+
+  to_remove = llist.head->next;
+  abort_unless(to_remove, "to_remove is NULL");
+  element_next = to_remove->next;
+  element_prev = to_remove->prev;
+  Curl_llist_remove(&llist, to_remove, NULL);
+  fail_unless(element_prev->next == element_next,
+              "element previous->next is not being adjusted");
+  abort_unless(element_next, "element_next is NULL");
+  fail_unless(element_next->prev == element_prev,
+              "element next->previous is not being adjusted");
+
+  /**
+   * case 3:
+   * removing the tail with list having >=1 element
+   * @assumptions
+   * 1: list size will be decremented by one ;tested
+   * 2: element->previous->next will be element->next ;tested
+   * 3: element->next->previous will be element->previous ;tested
+   * 4: list->tail will be tail->previous
+   */
+
+  to_remove = llist.tail;
+  element_prev = to_remove->prev;
+  Curl_llist_remove(&llist, to_remove, NULL);
+  fail_unless(llist.tail == element_prev,
+              "llist tail is not being adjusted when removing tail");
+
+  /**
+   * case 4:
+   * removing head with list having 1 element
+   * @assumptions:
+   * 1: list size will be decremented by one ;tested
+   * 2: list head will be null
+   * 3: list tail will be null
+   */
+
+  to_remove = llist.head;
+  Curl_llist_remove(&llist, to_remove, NULL);
+  fail_unless(llist.head == NULL,
+              "llist head is not NULL while the llist is empty");
+  fail_unless(llist.tail == NULL,
+              "llist tail is not NULL while the llist is empty");
+
+  Curl_llist_destroy(&llist, NULL);
+  Curl_llist_destroy(&llist_destination, NULL);
+}
+UNITTEST_STOP