fix: 实现了musl库net模块中的一些函数接口和相应的测试用例

【背景】
musl库中关于net模块有一些API需要实现，相应的测试用例设计得不是非常合理.

【修改方案】
删去了与实现的API不相关的测试用例,修改了测试用例中一些错误的地方，
修改了测试用例中依赖硬件环境的一些地方。

【影响】
对现有的产品编译不会有影响。

re #I4JQI1
Signed-off-by: Nyinjiaming <yinjiaming@huawei.com>
Change-Id: If57f50b025c84aa79107691efb091dde8e7b2156

testsuites/unittest/net/netdb/config.gni

@@ -49,7 +49,6 @@ netdb_sources_full = [
   "$TEST_UNITTEST_DIR/net/netdb/full/net_netdb_test_010.cpp",
   "$TEST_UNITTEST_DIR/net/netdb/full/net_netdb_test_011.cpp",
   "$TEST_UNITTEST_DIR/net/netdb/full/net_netdb_test_012.cpp",
-  "$TEST_UNITTEST_DIR/net/netdb/full/net_netdb_test_014.cpp",
   "$TEST_UNITTEST_DIR/net/netdb/full/net_netdb_test_015.cpp",
   "$TEST_UNITTEST_DIR/net/netdb/full/net_netdb_test_016.cpp",
   "$TEST_UNITTEST_DIR/net/netdb/full/net_netdb_test_017.cpp",

testsuites/unittest/net/netdb/full/net_netdb_test_002.cpp

@@ -35,6 +35,17 @@
 static int AddrInfoTest(void)
 {
     // Prerequisite: correct DNS servers must be configured.
+    char host_file[] = "127.0.0.2 example.com\n", serv_file[] = "ftp		21/tcp\n";
+    char *pathList[] = {"/etc/hosts", "/etc/services"};
+    char *streamList[] = {host_file, serv_file};
+    int streamLen[] = {sizeof(host_file), sizeof(serv_file)};
+    const int file_number = 2;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct addrinfo *addr = NULL;
     int ret = getaddrinfo("example.com", "ftp", NULL, &addr);
     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
@@ -50,6 +61,7 @@ static int AddrInfoTest(void)
     const char *p = gai_strerror(EAI_AGAIN);
     ICUNIT_ASSERT_NOT_EQUAL(p, NULL, -1);
 
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_004.cpp

@@ -34,8 +34,19 @@
 
 static int GetHostByAddrTest(void)
 {
+    char host_file[] = "127.0.0.1 localhost\n100.0.0.0 example.com example\n";
+    char *pathList[] = {"/etc/hosts"};
+    char *streamList[] = {host_file};
+    int streamLen[] = {sizeof(host_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct in_addr ia;
-    int length = 4;
+    int length = 4; // the address length is 4;
     ia.s_addr = inet_addr("127.0.0.1");
     struct hostent *addr = gethostbyaddr(&ia, sizeof ia, AF_INET);
     ICUNIT_ASSERT_NOT_EQUAL(addr, NULL, -1);
@@ -43,19 +54,18 @@ static int GetHostByAddrTest(void)
     ICUNIT_ASSERT_STRING_EQUAL(addr->h_name, "localhost", -1);
     ICUNIT_ASSERT_EQUAL(addr->h_length, length, -1);
 
-    ia.s_addr = inet_addr("100.109.180.184");
+    ia.s_addr = inet_addr("100.0.0.0");
     addr = gethostbyaddr(&ia, sizeof ia, AF_INET);
     ICUNIT_ASSERT_NOT_EQUAL(addr, NULL, -1);
     ICUNIT_ASSERT_EQUAL(addr->h_addrtype, AF_INET, addr->h_addrtype);
-    ICUNIT_ASSERT_STRING_EQUAL(addr->h_name, "szvphisprb93341", -1);
-    ICUNIT_ASSERT_STRING_EQUAL(addr->h_aliases[0], "szvphisprb93341", -1);
+    ICUNIT_ASSERT_STRING_EQUAL(addr->h_name, "example.com", -1);
 
     errno = 0;
     ia.s_addr = inet_addr("127.0.0.0");
     addr = gethostbyaddr(&ia, sizeof ia, AF_INET);
     ICUNIT_ASSERT_EQUAL(errno, EINVAL, errno);
 
-    return ICUNIT_SUCCESS;
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_006.cpp

@@ -34,6 +34,16 @@
 
 static int GetHostByNameTest(void)
 {
+    char host_file[] = "127.0.0.1 localhost\n";
+    char *pathList[] = {"/etc/hosts"};
+    char *streamList[] = {host_file};
+    int streamLen[] = {sizeof(host_file)};
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, 1);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, 1);
+        return -1;
+    }
+
     struct hostent *addr = gethostbyname("localhost");
     ICUNIT_ASSERT_NOT_EQUAL(addr, NULL, -1);
     ICUNIT_ASSERT_EQUAL(strcmp(addr->h_name, "localhost"), 0, -1);
@@ -49,6 +59,7 @@ static int GetHostByNameTest(void)
     addr = gethostbyname("lo");
     ICUNIT_ASSERT_EQUAL(addr, NULL, -1);
 
+    RecoveryFileEnv(pathList, 1);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_007.cpp

@@ -34,6 +34,17 @@
 
 static int GetHostByNameRTest(void)
 {
+    char host_file[] = "127.0.0.1 localhost\n";
+    char *pathList[] = {"/etc/hosts"};
+    char *streamList[] = {static_cast<char *>(host_file)};
+    int streamLen[] = {sizeof(host_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct hostent addr, *result = NULL;
     char buf[1024];
     char buf1[1];
@@ -60,6 +71,7 @@ static int GetHostByNameRTest(void)
     ret = gethostbyname_r("lo", &addr, buf, sizeof buf, &result, &err);
     ICUNIT_ASSERT_NOT_EQUAL(ret, 0, ret);
 
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_008.cpp

@@ -34,6 +34,17 @@
 
 static int GetHostByName2Test(void)
 {
+    char host_file[] = "127.0.0.1 localhost\n";
+    char *pathList[] = {"/etc/hosts"};
+    char *streamList[] = {static_cast<char *>(host_file)};
+    int streamLen[] = {sizeof(host_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct hostent *addr = gethostbyname2("localhost", AF_INET);
     ICUNIT_ASSERT_NOT_EQUAL(addr, NULL, -1);
     ICUNIT_ASSERT_EQUAL(strcmp(addr->h_name, "localhost"), 0, -1);
@@ -51,6 +62,7 @@ static int GetHostByName2Test(void)
     addr = gethostbyname2("localh", AF_INET);
     ICUNIT_ASSERT_EQUAL(addr, NULL, -1);
 
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_009.cpp

@@ -33,6 +33,17 @@
 
 static int GetHostByName2RTest(void)
 {
+    char host_file[] = "127.0.0.1 localhost\n";
+    char *pathList[] = {"/etc/hosts"};
+    char *streamList[] = {host_file};
+    int streamLen[] = {sizeof(host_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct hostent addr, *result = NULL;
     char buf[1024];
     char buf1[1];
@@ -59,6 +70,7 @@ static int GetHostByName2RTest(void)
     ret = gethostbyname2_r("lo", AF_INET, &addr, buf, sizeof buf, &result, &err);
     ICUNIT_ASSERT_NOT_EQUAL(ret, 0, ret);
 
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_011.cpp

@@ -35,16 +35,29 @@
 static int GetServByPortTest(void)
 {
     // refer to the `/etc/services' file.
+    char serv_file[] = "ssh		22/tcp\n";
+    char *pathList[] = {"/etc/services"};
+    char *streamList[] = {static_cast<char *>(serv_file)};
+    int streamLen[] = {sizeof(serv_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
+    const int test_port_no = 22; // ssh port number is 22
     struct servent *se1 = nullptr;
-    struct servent *se = getservbyport(htons(22), "tcp");
+    struct servent *se = getservbyport(htons(test_port_no), "tcp");
     ICUNIT_ASSERT_NOT_EQUAL(se, NULL, -1);
     ICUNIT_ASSERT_STRING_EQUAL(se->s_name, "ssh", -1);
     ICUNIT_ASSERT_STRING_EQUAL(se->s_proto, "tcp", -1);
     ICUNIT_ASSERT_STRING_EQUAL(se->s_aliases[0], "ssh", -1);
 
-    se1 = getservbyport(htons(22), "tp");
+    se1 = getservbyport(htons(test_port_no), "tp");
     ICUNIT_ASSERT_EQUAL(se1, nullptr, -1);
 
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_012.cpp

@@ -35,26 +35,42 @@
 static int GetServByPortRTest(void)
 {
     // refer to the `/etc/services' file.
+    char serv_file[] = "ssh		22/tcp\n";
+    char *pathList[] = {"/etc/services"};
+    char *streamList[] = {static_cast<char *>(serv_file)};
+    int streamLen[] = {sizeof(serv_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct servent se, *result = NULL;
     char buf[1024];
     char buf1[2];
 
-    int ret = getservbyport_r(htons(22), "udp", &se, buf, sizeof buf, &result);
+    const int test_port_no = 22;   // ssh port number is 22
+    int ret = getservbyport_r(htons(test_port_no), "tcp", &se, buf, sizeof buf, &result);
     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
     ICUNIT_ASSERT_NOT_EQUAL(result, NULL, -1);
     ICUNIT_ASSERT_STRING_EQUAL(se.s_name, "ssh", -1);
-    ICUNIT_ASSERT_STRING_EQUAL(se.s_proto, "udp", -1);
+    ICUNIT_ASSERT_STRING_EQUAL(se.s_proto, "tcp", -1);
     ICUNIT_ASSERT_STRING_EQUAL(se.s_aliases[0], "ssh", -1);
     ICUNIT_ASSERT_STRING_EQUAL(result->s_name, "ssh", -1);
-    ICUNIT_ASSERT_STRING_EQUAL(result->s_proto, "udp", -1);
+    ICUNIT_ASSERT_STRING_EQUAL(result->s_proto, "tcp", -1);
     ICUNIT_ASSERT_STRING_EQUAL(result->s_aliases[0], "ssh", -1);
 
-    ret = getservbyport_r(htons(22), "udp", &se, buf1, sizeof buf1, &result);
+    ret = getservbyport_r(htons(test_port_no), "udp", &se, buf, sizeof buf, &result);
+    ICUNIT_ASSERT_EQUAL(ret, ENOENT, -1);
+
+    ret = getservbyport_r(htons(test_port_no), "udp", &se, buf1, sizeof buf1, &result);
     ICUNIT_ASSERT_EQUAL(ret, ERANGE, ret);
 
-    ret = getservbyport_r(htons(22), "ud", &se, buf, sizeof buf, &result);
+    ret = getservbyport_r(htons(test_port_no), "ud", &se, buf, sizeof buf, &result);
     ICUNIT_ASSERT_EQUAL(ret, EINVAL, ret);
 
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_014.cpp

-/*
- * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. 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.
- *
- * 3. Neither the name of the copyright holder nor the names of its contributors may be used
- * to endorse or promote products derived from this software without specific prior written
- * permission.
- *
- * 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 "lt_net_netdb.h"
-#include <net/if.h>
-
-static int IfNameIndexTest(void)
-{
-    struct if_nameindex *idx = if_nameindex();
-    ICUNIT_ASSERT_NOT_EQUAL(idx, NULL, -1);
-
-    if_freenameindex(idx);
-
-    return ICUNIT_SUCCESS;
-}
-
-void NetNetDbTest014(void)
-{
-    TEST_ADD_CASE(__FUNCTION__, IfNameIndexTest, TEST_POSIX, TEST_TCP, TEST_LEVEL0, TEST_FUNCTION);
-}

testsuites/unittest/net/netdb/full/net_netdb_test_015.cpp

@@ -44,10 +44,6 @@ static int IfNameToIndexTest(void)
     ICUNIT_ASSERT_NOT_EQUAL(str, nullptr, -1);
     ICUNIT_ASSERT_STRING_EQUAL(if_name, "lo", -1);
 
-    str = if_indextoname(3, if_name);
-    ICUNIT_ASSERT_EQUAL(str, nullptr, -1);
-    ICUNIT_ASSERT_EQUAL(errno, ENXIO, errno);
-
     ret = if_nametoindex("eth1");
     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
     ICUNIT_ASSERT_EQUAL(errno, ENODEV, errno);

testsuites/unittest/net/netdb/full/net_netdb_test_016.cpp

@@ -32,6 +32,23 @@
 
 static int GetServByNameTest(void)
 {
+    char serv_file[] = "echo		7/tcp\n"
+                       "echo		7/udp\n"
+                       "discard		9/tcp		sink null\n"
+                       "discard		9/udp		sink null\n"
+                       "systat		11/tcp		users\n"
+                       "ssh		22/tcp\n";
+
+    char *pathList[] = {"/etc/services"};
+    char *streamList[] = {static_cast<char *>(serv_file)};
+    int streamLen[] = {sizeof(serv_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct servent *se1 = nullptr;
     struct servent *se2 = nullptr;
 
@@ -53,6 +70,7 @@ static int GetServByNameTest(void)
     se2 = getservbyname("systat", "udp");
     ICUNIT_ASSERT_EQUAL(se2, nullptr, -1);
 
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_017.cpp

@@ -32,6 +32,17 @@
 
 static int GetServByNameRTest(void)
 {
+    char serv_file[] = "ssh		22/tcp\n";
+    char *pathList[] = {"/etc/services"};
+    char *streamList[] = {static_cast<char *>(serv_file)};
+    int streamLen[] = {sizeof(serv_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct servent se;
     struct servent *result = NULL;
     char buf1[1024] = { 0 };
@@ -58,6 +69,7 @@ static int GetServByNameRTest(void)
     ret = getservbyname_r("sh", "tcp", &se, buf1, sizeof buf1, &result);
     ICUNIT_ASSERT_EQUAL(ret, ENOENT, ret);
 
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_018.cpp

@@ -32,6 +32,28 @@
 
 static int GetServEntTest(void)
 {
+    char serv_file[] = "tcpmux		1/tcp    # TCP port service multiplexer\n"
+                       "echo		7/tcp\n"
+                       "echo		7/udp\n"
+                       "discard		9/tcp		sink null\n"
+                       "ssh         100000/tcp\n"
+                       "ssh         /tcp\n"
+                       "ssh         22/";
+    char *pathList[] = {"/etc/services"};
+    char *streamList[] = {static_cast<char *>(serv_file)};
+    int streamLen[] = {sizeof(serv_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+    
+    /* tcpmux,echo,discard port number is 1,7,9 */
+    const int tcpmux_port_no  = 1;
+    const int echo_port_no    = 7;
+    const int discard_port_no = 9;
+
     struct servent *se1 = nullptr;
     struct servent *se2 = nullptr;
     struct servent *se3 = nullptr;
@@ -40,7 +62,7 @@ static int GetServEntTest(void)
     ICUNIT_ASSERT_NOT_EQUAL(se1, nullptr, -1);
     ICUNIT_ASSERT_STRING_EQUAL(se1->s_name, "tcpmux", -1);
     ICUNIT_ASSERT_STRING_EQUAL(se1->s_proto, "tcp", -1);
-    ICUNIT_ASSERT_EQUAL(se1->s_port, ntohs(1), -1);
+    ICUNIT_ASSERT_EQUAL(se1->s_port, ntohs(tcpmux_port_no), -1);
 
     endservent();
     se2 = getservent();
@@ -60,20 +82,28 @@ static int GetServEntTest(void)
     ICUNIT_ASSERT_NOT_EQUAL(se3, nullptr, -1);
     ICUNIT_ASSERT_STRING_EQUAL(se3->s_name, "echo", -1);
     ICUNIT_ASSERT_STRING_EQUAL(se3->s_proto, "tcp", -1);
-    ICUNIT_ASSERT_EQUAL(se3->s_port, ntohs(7), -1);
+    ICUNIT_ASSERT_EQUAL(se3->s_port, ntohs(echo_port_no), -1);
 
     se3 = getservent();
     ICUNIT_ASSERT_NOT_EQUAL(se3, nullptr, -1);
     ICUNIT_ASSERT_STRING_EQUAL(se3->s_name, "echo", -1);
     ICUNIT_ASSERT_STRING_EQUAL(se3->s_proto, "udp", -1);
-    ICUNIT_ASSERT_EQUAL(se3->s_port, ntohs(7), -1);
+    ICUNIT_ASSERT_EQUAL(se3->s_port, ntohs(echo_port_no), -1);
 
     se3 = getservent();
     ICUNIT_ASSERT_NOT_EQUAL(se3, nullptr, -1);
     ICUNIT_ASSERT_STRING_EQUAL(se3->s_name, "discard", -1);
     ICUNIT_ASSERT_STRING_EQUAL(se3->s_proto, "tcp", -1);
-    ICUNIT_ASSERT_EQUAL(se3->s_port, ntohs(9), -1);
+    ICUNIT_ASSERT_EQUAL(se3->s_port, ntohs(discard_port_no), -1);
     ICUNIT_ASSERT_STRING_EQUAL(se3->s_aliases[0], "sink", -1);
+    ICUNIT_ASSERT_STRING_EQUAL(se3->s_aliases[1], "null", -1);
+    ICUNIT_ASSERT_EQUAL(se3->s_aliases[2], nullptr, -1);
+
+    se3 = getservent();
+    ICUNIT_ASSERT_EQUAL(se3, nullptr, -1);
+    endservent();
+    
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_019.cpp

@@ -29,21 +29,37 @@
  */
 
 #include "lt_net_netdb.h"
+#include<arpa/nameser.h>
 
 static int GetHostEntTest(void)
 {
+    char host_file[] = "127.0.0.1 localhost #localhost\n"
+                       "::1      ip6-localhost\n"
+                       "10.0.0.0 example example.com example.cn\n"
+                       "10.0.0.0\n"
+                       "10.0.0  example.com";
+    char *pathList[] = {"/etc/hosts"};
+    char *streamList[] = {static_cast<char *>(host_file)};
+    int streamLen[] = {sizeof(host_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct hostent *se1 = nullptr;
     struct hostent *se2 = nullptr;
     struct hostent *se3 = nullptr;
-    int type = 2;
-    int length1 = 4;
-    int length2 = 16;
+    char addr[INET6_ADDRSTRLEN];
 
     se1 = gethostent();
     ICUNIT_ASSERT_NOT_EQUAL(se1, nullptr, -1);
     ICUNIT_ASSERT_STRING_EQUAL(se1->h_name, "localhost", -1);
-    ICUNIT_ASSERT_EQUAL(se1->h_addrtype, type, -1);
-    ICUNIT_ASSERT_EQUAL(se1->h_length, length1, -1);
+    ICUNIT_ASSERT_EQUAL(se1->h_addrtype, AF_INET, -1);
+    ICUNIT_ASSERT_EQUAL(se1->h_length, INADDRSZ, -1);
+    ICUNIT_ASSERT_STRING_EQUAL("127.0.0.1", inet_ntop(AF_INET, se1->h_addr_list[0], addr, INET_ADDRSTRLEN), -1);
+    ICUNIT_ASSERT_EQUAL(se1->h_aliases[0], nullptr, -1);
 
     endhostent();
     se2 = gethostent();
@@ -62,15 +78,24 @@ static int GetHostEntTest(void)
     se3 = gethostent();
     ICUNIT_ASSERT_NOT_EQUAL(se3, nullptr, -1);
     ICUNIT_ASSERT_EQUAL(se3->h_addrtype, AF_INET6, -1);
-    ICUNIT_ASSERT_STRING_EQUAL(se3->h_name, "localhost", -1);
-    ICUNIT_ASSERT_EQUAL(se3->h_length, length2, -1);
+    ICUNIT_ASSERT_STRING_EQUAL(se3->h_name, "ip6-localhost", -1);
+    ICUNIT_ASSERT_EQUAL(se3->h_length, IN6ADDRSZ, -1);
+    ICUNIT_ASSERT_STRING_EQUAL("::1", inet_ntop(AF_INET6, se3->h_addr_list[0], addr, INET6_ADDRSTRLEN), -1);
 
     se3 = gethostent();
     ICUNIT_ASSERT_NOT_EQUAL(se3, nullptr, -1);
     ICUNIT_ASSERT_EQUAL(se3->h_addrtype, AF_INET, -1);
-    ICUNIT_ASSERT_STRING_EQUAL(se3->h_name, "szvphisprb93341", -1);
-    ICUNIT_ASSERT_STRING_EQUAL(se3->h_aliases[0], "szvphisprb93341.huawei.com", -1);
+    ICUNIT_ASSERT_STRING_EQUAL(se3->h_name, "example", -1);
+    ICUNIT_ASSERT_STRING_EQUAL("10.0.0.0", inet_ntop(AF_INET, se3->h_addr_list[0], addr, INET_ADDRSTRLEN), -1);
+    ICUNIT_ASSERT_STRING_EQUAL(se3->h_aliases[0], "example.com", -1);
+    ICUNIT_ASSERT_STRING_EQUAL(se3->h_aliases[1], "example.cn", -1);
+    ICUNIT_ASSERT_EQUAL(se3->h_aliases[2], nullptr, -1);
+
+    se3 = gethostent();
+    ICUNIT_ASSERT_EQUAL(se3, nullptr, -1);
+    endhostent();
 
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_020.cpp

@@ -32,6 +32,20 @@
 
 static int GetNetEntTest(void)
 {
+    char network_file[] = "# symbolic names for networks, see networks(5) for more information\n"
+                          "link-local 169.254.0.0\n"
+                          "example  192.168.1.0 network example-network\n"
+                          "test1";
+    char *pathList[] = {"/etc/networks"};
+    char *streamList[] = {static_cast<char *>(network_file)};
+    int streamLen[] = {sizeof(network_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct netent *se1 = nullptr;
     struct netent *se2 = nullptr;
     struct netent *se3 = nullptr;
@@ -39,8 +53,9 @@ static int GetNetEntTest(void)
     se1 = getnetent();
     ICUNIT_ASSERT_NOT_EQUAL(se1, nullptr, -1);
     ICUNIT_ASSERT_STRING_EQUAL(se1->n_name, "link-local", -1);
-    ICUNIT_ASSERT_EQUAL(se1->n_addrtype, 2, -1);
+    ICUNIT_ASSERT_EQUAL(se1->n_addrtype, AF_INET, -1);
     ICUNIT_ASSERT_EQUAL(se1->n_net, inet_network("169.254.0.0"), -1);
+    ICUNIT_ASSERT_EQUAL(se1->n_aliases[0], nullptr, -1);
 
     endnetent();
     se2 = getnetent();
@@ -56,6 +71,20 @@ static int GetNetEntTest(void)
     ICUNIT_ASSERT_EQUAL(se1->n_addrtype, se3->n_addrtype, -1);
     ICUNIT_ASSERT_EQUAL(se1->n_net, se3->n_net, -1);
 
+    se1 = getnetent();
+    ICUNIT_ASSERT_NOT_EQUAL(se1, nullptr, -1);
+    ICUNIT_ASSERT_STRING_EQUAL(se1->n_name, "example", -1);
+    ICUNIT_ASSERT_EQUAL(se1->n_addrtype, AF_INET, -1);
+    ICUNIT_ASSERT_EQUAL(se1->n_net, inet_network("192.168.1.0"), -1);
+    ICUNIT_ASSERT_STRING_EQUAL(se1->n_aliases[0], "network", -1);
+    ICUNIT_ASSERT_STRING_EQUAL(se1->n_aliases[1], "example-network", -1);
+    ICUNIT_ASSERT_EQUAL(se1->n_aliases[2], nullptr, -1);
+
+    se1 = getnetent();
+    ICUNIT_ASSERT_EQUAL(se1, nullptr, -1);
+    endnetent();
+
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_021.cpp

@@ -32,6 +32,18 @@
 
 static int GetNetBynametTest(void)
 {
+    char network_file[] = "# symbolic names for networks, see networks(5) for more information\n"
+                          "link-local 169.254.0.0\n";
+    char *pathList[] = {"/etc/networks"};
+    char *streamList[] = {static_cast<char *>(network_file)};
+    int streamLen[] = {sizeof(network_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct netent *se1 = nullptr;
     struct netent *se2 = nullptr;
     struct netent *se3 = nullptr;
@@ -39,7 +51,7 @@ static int GetNetBynametTest(void)
     se1 = getnetbyname("link-local");
     ICUNIT_ASSERT_NOT_EQUAL(se1, nullptr, -1);
     ICUNIT_ASSERT_STRING_EQUAL(se1->n_name, "link-local", -1);
-    ICUNIT_ASSERT_EQUAL(se1->n_addrtype, 2, -1);
+    ICUNIT_ASSERT_EQUAL(se1->n_addrtype, AF_INET, -1);
     ICUNIT_ASSERT_EQUAL(se1->n_net, inet_network("169.254.0.0"), -1);
 
     se2 = getnetbyname("link");
@@ -48,6 +60,7 @@ static int GetNetBynametTest(void)
     se3 = getnetbyname("hs");
     ICUNIT_ASSERT_EQUAL(se3, nullptr, -1);
 
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/full/net_netdb_test_022.cpp

@@ -32,6 +32,18 @@
 
 static int GetNetByAddrtTest(void)
 {
+    char network_file[] = "# symbolic names for networks, see networks(5) for more information\n"
+                          "link-local 169.254.0.0\n";
+    char *pathList[] = {"/etc/networks"};
+    char *streamList[] = {static_cast<char *>(network_file)};
+    int streamLen[] = {sizeof(network_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct netent *se1 = nullptr;
     struct netent *se2 = nullptr;
     struct netent *se3 = nullptr;
@@ -39,7 +51,7 @@ static int GetNetByAddrtTest(void)
     se1 = getnetbyaddr(inet_network("169.254.0.0"), AF_INET);
     ICUNIT_ASSERT_NOT_EQUAL(se1, nullptr, -1);
     ICUNIT_ASSERT_STRING_EQUAL(se1->n_name, "link-local", -1);
-    ICUNIT_ASSERT_EQUAL(se1->n_addrtype, 2, -1);
+    ICUNIT_ASSERT_EQUAL(se1->n_addrtype, AF_INET, -1);
     ICUNIT_ASSERT_EQUAL(se1->n_net, inet_network("169.254.0.0"), -1);
 
     se2 = getnetbyaddr(inet_network("169.254.0.1"), AF_INET);
@@ -48,6 +60,7 @@ static int GetNetByAddrtTest(void)
     se3 = getnetbyaddr(inet_network("169.254.0.1"), AF_INET6);
     ICUNIT_ASSERT_EQUAL(se3, nullptr, -1);
 
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/netdb/lt_net_netdb.h

@@ -52,7 +52,6 @@ void NetNetDbTest010(void);
 void NetNetDbTest011(void);
 void NetNetDbTest012(void);
 void NetNetDbTest013(void);
-void NetNetDbTest014(void);
 void NetNetDbTest015(void);
 void NetNetDbTest016(void);
 void NetNetDbTest017(void);

testsuites/unittest/net/netdb/net_netdb_test.cpp

@@ -72,5 +72,206 @@ HWTEST_F(NetDbTest, NetNetDbTest013, TestSize.Level0)
     NetNetDbTest013();
 }
 
+#endif
+
+#if defined(LOSCFG_USER_TEST_FULL)
+/* *
+ * @tc.name: NetNetDbTest018
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest018, TestSize.Level0)
+{
+    NetNetDbTest018();
+}
+
+/* *
+ * @tc.name: NetNetDbTest002
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest002, TestSize.Level0)
+{
+    NetNetDbTest002();
+}
+
+/* *
+ * @tc.name: NetNetDbTest003
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest003, TestSize.Level0)
+{
+    NetNetDbTest003();
+}
+
+/* *
+ * @tc.name: NetNetDbTest004
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest004, TestSize.Level0)
+{
+    NetNetDbTest004();
+}
+
+/* *
+ * @tc.name: NetNetDbTest006
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest006, TestSize.Level0)
+{
+    NetNetDbTest006();
+}
+
+/* *
+ * @tc.name: NetNetDbTest007
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest007, TestSize.Level0)
+{
+    NetNetDbTest007();
+}
+
+/* *
+ * @tc.name: NetNetDbTest008
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest008, TestSize.Level0)
+{
+    NetNetDbTest008();
+}
+
+/* *
+ * @tc.name: NetNetDbTest009
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest009, TestSize.Level0)
+{
+    NetNetDbTest009();
+}
+
+/* *
+ * @tc.name: NetNetDbTest010
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest010, TestSize.Level0)
+{
+    NetNetDbTest010();
+}
+
+/* *
+ * @tc.name: NetNetDbTest011
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest011, TestSize.Level0)
+{
+    NetNetDbTest011();
+}
+
+/* *
+ * @tc.name: NetNetDbTest012
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest012, TestSize.Level0)
+{
+    NetNetDbTest012();
+}
+
+/* *
+ * @tc.name: NetNetDbTest015
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest015, TestSize.Level0)
+{
+    NetNetDbTest015();
+}
+
+/* *
+ * @tc.name: NetNetDbTest016
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest016, TestSize.Level0)
+{
+    NetNetDbTest016();
+}
+
+/* *
+ * @tc.name: NetNetDbTest017
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest017, TestSize.Level0)
+{
+    NetNetDbTest017();
+}
+
+/* *
+ * @tc.name: NetNetDbTest019
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest019, TestSize.Level0)
+{
+    NetNetDbTest019();
+}
+
+/* *
+ * @tc.name: NetNetDbTest020
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest020, TestSize.Level0)
+{
+    NetNetDbTest020();
+}
+
+/* *
+ * @tc.name: NetNetDbTest021
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest021, TestSize.Level0)
+{
+    NetNetDbTest021();
+}
+
+/* *
+ * @tc.name: NetNetDbTest022
+ * @tc.desc: function for NetDbTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(NetDbTest, NetNetDbTest022, TestSize.Level0)
+{
+    NetNetDbTest022();
+}
+
 #endif
 }

testsuites/unittest/net/resolv/full/net_resolv_test_004.cpp

@@ -34,6 +34,17 @@
 static int EtherHosttonTest(void)
 {
     // suppose "0:0:0:0:0:0 localhost" in `/etc/ethers' file.
+    char ether_file[] = "0:0:0:0:0:0 localhost";
+    char *pathList[] = {"/etc/ethers"};
+    char *streamList[] = {static_cast<char *>(ether_file)};
+    int streamLen[] = {sizeof(ether_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct ether_addr addr, *eaddr = &addr;
     int ret = ether_hostton("localhost", eaddr);
 
@@ -45,6 +56,7 @@ static int EtherHosttonTest(void)
     ICUNIT_ASSERT_EQUAL(eaddr->ether_addr_octet[4], 0x00, eaddr->ether_addr_octet[4]);
     ICUNIT_ASSERT_EQUAL(eaddr->ether_addr_octet[5], 0x00, eaddr->ether_addr_octet[5]);
 
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }
 

testsuites/unittest/net/resolv/full/net_resolv_test_008.cpp

@@ -35,6 +35,17 @@
 static int EtherNtohostTest(void)
 {
     // suppose "0:0:0:0:0:0 localhost" in `/etc/ethers' file.
+    char ether_file[] = "0:0:0:0:0:0 localhost";
+    char *pathList[] = {"/etc/ethers"};
+    char *streamList[] = {static_cast<char *>(ether_file)};
+    int streamLen[] = {sizeof(ether_file)};
+    const int file_number = 1;
+    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
+    if (flag != 0) {
+        RecoveryFileEnv(pathList, file_number);
+        return -1;
+    }
+
     struct ether_addr addr = {{0,0,0,0,0,0}}, *eaddr = &addr;
     char buf[100];
     int ret = ether_ntohost(buf, eaddr);
@@ -42,6 +53,7 @@ static int EtherNtohostTest(void)
     ICUNIT_ASSERT_EQUAL(ret, 0, -1);
     ICUNIT_ASSERT_EQUAL(strcmp("localhost", buf), 0, -1);
 
+    RecoveryFileEnv(pathList, file_number);
     return ICUNIT_SUCCESS;
 }