mirror of https://github.com/ARMmbed/mbed-os.git
224 lines
6.7 KiB
C++
224 lines
6.7 KiB
C++
/*
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* Copyright (c) 2015 ARM Limited. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "CppUTest/TestHarness.h"
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#include "ip6string.h"
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#include "ipv6_test_values.h"
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#include <stdlib.h>
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#include <string.h>
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TEST_GROUP(stoip6)
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{
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void setup() {
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}
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void teardown() {
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}
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};
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TEST(stoip6, ZeroAddress)
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{
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for (int i = 0; ipv6_test_values[i].addr; i++) {
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uint8_t ip[16];
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char *addr = ipv6_test_values[i].addr;
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stoip6(addr, strlen(addr), ip);
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CHECK(0 == memcmp(ip, ipv6_test_values[i].bin, 16));
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}
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}
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TEST(stoip6, TooShort)
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{
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char *addr = "FFFF:FFFF:";
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uint8_t ip[16];
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uint8_t correct[16] = {0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
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// This should sto parsing when too short address given, the buffer hoewever is filled to that long
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// So basically there is no error handling. We just check that first FFFF:FFFF gets filled and not trash after that.
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// Rest should be filled with zeroes
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stoip6(addr, strlen(addr), ip);
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CHECK(0 == memcmp(ip, correct, 16));
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}
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TEST(stoip6, TooLongString)
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{
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// String len must be less than 40, otherwise not valid
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char *addr = "FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:";
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uint8_t ip[16] = {0};
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uint8_t correct[16] = {0};
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// This should not fill anything, too long string.
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// This is basically only validation we do
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stoip6(addr, strlen(addr), ip);
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CHECK(0 == memcmp(ip, correct, 16));
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}
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TEST(stoip6, TooManyFields)
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{
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// String len must be less than 40
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char *addr = "FF:FF:FF:FF:FF:FF:FFFF:FFFF:FFFF:FFFF:";
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uint8_t ip[17] = {0};
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uint8_t correct[17] = { 0, 0xff, 0, 0xff, 0, 0xff, 0, 0xff, 0, 0xff, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0};
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// Again.. there is not really any error handling (no return value)
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// Just make sure that it does not overflow
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stoip6(addr, strlen(addr), ip);
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CHECK(0 == memcmp(ip, correct, 17)); // Note, we are checking 17, to make sure one byte after address in not touched.
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}
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TEST(stoip6, Prefixlen)
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{
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CHECK(0 == sipv6_prefixlength("::"));
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CHECK(64 == sipv6_prefixlength("::/64"));
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}
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// This test revealed a off-by-one error in stoip6() when the code was ran under valgrind.
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// The IP address is copied from the test_2duts_ping -test, where the valgrind message
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// was originally spotted.
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TEST(stoip6, RegressionTestForOffByOne)
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{
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const char *sourceAddr = "fd00:db8::643f:f54a:ec29:cdbb";
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// Use heap based test string to make valgrind spot the problem.
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char *sourceTemp = (char *)strdup(sourceAddr);
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size_t sourceTempLen = strlen(sourceTemp);
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uint8_t ip[16];
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const uint8_t correct[16] = { 0xfd, 0x00, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
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0x64, 0x3f, 0xf5, 0x4a, 0xec, 0x29, 0xcd, 0xbb
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};
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stoip6(sourceTemp, sourceTempLen, ip);
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CHECK(0 == memcmp(ip, correct, 16));
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free(sourceTemp);
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}
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/***********************************************************/
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/* Second test group for the old tests that were once lost */
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const char string_addr[][40] =
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{
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"2001:db8::1:0:0:1", // 1
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"2001:db8:aaaa:bbbb:cccc:dddd:eeee:1", // 2
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"2001:db8::1", // 3
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"2001:db8::2:1", // 4
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"2001:db8:aaaa:bbbb:cccc:dddd:0:1", // 5
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"2001:db8::aaaa:0:0:1", // 6
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"2001:0:0:1::1", // 7
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"2001:0:0:1::", // 8
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"2001:db8::", // 9
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"::aaaa:0:0:1", // 10
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"::1", // 11
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"::", // 12
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};
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const uint8_t hex_addr[][16] =
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{
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{ 0x20, 0x01, 0xd, 0xb8, 0,0,0,0,0,1,0,0,0,0,0,1 },
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{ 0x20, 0x01, 0xd, 0xb8, 0xaa, 0xaa, 0xbb, 0xbb, 0xcc, 0xcc, 0xdd, 0xdd, 0xee, 0xee, 0x00, 0x01 },
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{ 0x20, 0x01, 0xd, 0xb8, 0,0,0,0,0,0,0,0,0,0,0,1 },
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{ 0x20, 0x01, 0xd,0xb8, 0,0,0,0,0,0,0,0, 0,2,0,1 },
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{ 0x20, 0x01, 0xd, 0xb8, 0xaa, 0xaa, 0xbb, 0xbb, 0xcc, 0xcc, 0xdd, 0xdd, 0,0, 0x00, 0x01 },
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{ 0x20, 0x01, 0xd, 0xb8, 0,0,0,0,0xaa,0xaa,0,0,0,0,0,1 },
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{ 0x20, 0x01, 0,0 ,0,0 ,0,1,0,0,0,0,0,0,0,1 },
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{ 0x20, 0x01, 0,0 ,0,0 ,0,1,0,0,0,0,0,0,0,0 },
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{ 0x20, 0x01, 0xd, 0xb8 },
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{ 0,0,0,0,0,0,0,0,0xaa,0xaa,0,0,0,0,0,1 },
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{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 },
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{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 },
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};
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char buf[40];
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int i = 0;
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TEST_GROUP(stoip6_2)
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{
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void setUp(void)
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{
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memset(buf, 0, 40);
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}
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void tearDown(void)
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{
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i++;
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}
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};
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/* Unity test code starts */
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TEST(stoip6_2, test_2_1)
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{
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i = 0;
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stoip6(string_addr[i], strlen(string_addr[i]), buf);
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CHECK(0 == memcmp(hex_addr[i], buf, strlen(buf)));
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}
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TEST(stoip6_2, test_2_2)
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{
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stoip6(string_addr[i], strlen(string_addr[i]), buf);
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CHECK(0 == memcmp(hex_addr[i], buf, strlen(buf)));
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}
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TEST(stoip6_2, test_2_3)
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{
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stoip6(string_addr[i], strlen(string_addr[i]), buf);
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CHECK(0 == memcmp(hex_addr[i], buf, strlen(buf)));
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}
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TEST(stoip6_2, test_2_4)
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{
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stoip6(string_addr[i], strlen(string_addr[i]), buf);
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CHECK(0 == memcmp(hex_addr[i], buf, strlen(buf)));
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}
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TEST(stoip6_2, test_2_5)
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{
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stoip6(string_addr[i], strlen(string_addr[i]), buf);
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CHECK(0 == memcmp(hex_addr[i], buf, strlen(buf)));
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}
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TEST(stoip6_2, test_2_6)
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{
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stoip6(string_addr[i], strlen(string_addr[i]), buf);
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CHECK(0 == memcmp(hex_addr[i], buf, strlen(buf)));
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}
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TEST(stoip6_2, test_2_7)
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{
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stoip6(string_addr[i], strlen(string_addr[i]), buf);
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CHECK(0 == memcmp(hex_addr[i], buf, strlen(buf)));
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}
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TEST(stoip6_2, test_2_8)
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{
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stoip6(string_addr[i], strlen(string_addr[i]), buf);
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CHECK(0 == memcmp(hex_addr[i], buf, strlen(buf)));
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}
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TEST(stoip6_2, test_2_9)
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{
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stoip6(string_addr[i], strlen(string_addr[i]), buf);
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CHECK(0 == memcmp(hex_addr[i], buf, strlen(buf)));
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}
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TEST(stoip6_2, test_2_10)
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{
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stoip6(string_addr[i], strlen(string_addr[i]), buf);
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CHECK(0 == memcmp(hex_addr[i], buf, 16));
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}
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TEST(stoip6_2, test_2_11)
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{
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stoip6(string_addr[i], strlen(string_addr[i]), buf);
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CHECK(0 == memcmp(hex_addr[i], buf, 16));
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}
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TEST(stoip6_2, test_2_12)
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{
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stoip6(string_addr[i], strlen(string_addr[i]), buf);
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CHECK(0 == memcmp(hex_addr[i], buf, 16));
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}
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