diff options
Diffstat (limited to 'libccnx-common/ccnx/common/codec/schema_v1/test/test_ccnxCodecSchemaV1_FixedHeaderDecoder.c')
-rw-r--r-- | libccnx-common/ccnx/common/codec/schema_v1/test/test_ccnxCodecSchemaV1_FixedHeaderDecoder.c | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/libccnx-common/ccnx/common/codec/schema_v1/test/test_ccnxCodecSchemaV1_FixedHeaderDecoder.c b/libccnx-common/ccnx/common/codec/schema_v1/test/test_ccnxCodecSchemaV1_FixedHeaderDecoder.c new file mode 100644 index 00000000..7a889b58 --- /dev/null +++ b/libccnx-common/ccnx/common/codec/schema_v1/test/test_ccnxCodecSchemaV1_FixedHeaderDecoder.c @@ -0,0 +1,350 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + */ + +// Include the file(s) containing the functions to be tested. +// This permits internal static functions to be visible to this Test Framework. +#include "../ccnxCodecSchemaV1_FixedHeaderDecoder.c" +#include <parc/algol/parc_SafeMemory.h> + +#include <LongBow/unit-test.h> + +typedef struct test_data { + uint8_t *packet; + PARCBuffer *fixedHeader; + CCNxCodecTlvDecoder *decoder; + CCNxTlvDictionary *dictionary; + + // truth table + uint8_t version; + uint8_t packetType; + uint16_t packetLength; + uint8_t hopLimit; + uint8_t returnCode; + uint8_t flags; + uint8_t headerLength; +} TestData; + +static TestData * +_commonSetup(void) +{ + TestData *data = parcMemory_AllocateAndClear(sizeof(TestData)); + assertNotNull(data, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(TestData)); + + data->packet = parcMemory_Allocate(8); + assertNotNull(data->packet, "parcMemory_Allocate(%d) returned NULL", 8); + memcpy(data->packet, &((uint8_t[]) { 0x00, 0x01, 0x01, 0x02, 0x03, 0x04, 0x05, 0x08 }), 8); + + data->fixedHeader = parcBuffer_Wrap(data->packet, 8, 0, 8); + data->version = 0; + data->packetType = 1; + data->packetLength = 0x0102; + data->hopLimit = 3; + data->returnCode = 4; + data->flags = 5; + data->headerLength = 8; + data->decoder = ccnxCodecTlvDecoder_Create(data->fixedHeader); + data->dictionary = ccnxTlvDictionary_Create(CCNxCodecSchemaV1TlvDictionary_MessageFastArray_END, + CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_END); + + return data; +} + +static void +_commonTeardown(TestData *data) +{ +// TestData *data = longBowTestCase_GetClipBoardData(testCase); + + ccnxTlvDictionary_Release(&data->dictionary); + ccnxCodecTlvDecoder_Destroy(&data->decoder); + parcBuffer_Release(&data->fixedHeader); + parcMemory_Deallocate((void **) &(data->packet)); + parcMemory_Deallocate((void **) &data); +} + +LONGBOW_TEST_RUNNER(ccnxCodecSchemaV1_FixedHeaderDecoder) +{ + LONGBOW_RUN_TEST_FIXTURE(Global); +} + +LONGBOW_TEST_RUNNER_SETUP(ccnxCodecSchemaV1_FixedHeaderDecoder) +{ + parcMemory_SetInterface(&PARCSafeMemoryAsPARCMemory); + return LONGBOW_STATUS_SUCCEEDED; +} + +LONGBOW_TEST_RUNNER_TEARDOWN(ccnxCodecSchemaV1_FixedHeaderDecoder) +{ + return LONGBOW_STATUS_SUCCEEDED; +} + +LONGBOW_TEST_FIXTURE(Global) +{ + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_Decode_Underrun); + + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetHeaderLength); + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketType); + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketLength); + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetVersion); + + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetHopLimit); + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetReturnCode); + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetFlags); + + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetHeaderLength_Missing); + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketType_Missing); + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketLength_Missing); + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetVersion_Missing); + + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_PacketLengthTooShort); + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_HeaderLengthTooShort); + LONGBOW_RUN_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_PacketLengthLessHeaderLength); +} + +LONGBOW_TEST_FIXTURE_SETUP(Global) +{ + longBowTestCase_SetClipBoardData(testCase, _commonSetup()); + + return LONGBOW_STATUS_SUCCEEDED; +} + +LONGBOW_TEST_FIXTURE_TEARDOWN(Global) +{ + _commonTeardown(longBowTestCase_GetClipBoardData(testCase)); + + uint32_t outstandingAllocations = parcSafeMemory_ReportAllocation(STDERR_FILENO); + if (outstandingAllocations != 0) { + printf("%s leaks memory by %d allocations\n", longBowTestCase_GetName(testCase), outstandingAllocations); + return LONGBOW_STATUS_MEMORYLEAK; + } + return LONGBOW_STATUS_SUCCEEDED; +} + +/** + * Successful decode is tested in all the _GetX functions. We only test + * when the buffer is too small here + */ +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_Decode_Underrun) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + // advance the buffer so its too small + ccnxCodecTlvDecoder_Advance(data->decoder, 1); + + size_t beforePosition = ccnxCodecTlvDecoder_Position(data->decoder); + bool success = ccnxCodecSchemaV1FixedHeaderDecoder_Decode(data->decoder, data->dictionary); + size_t afterPosition = ccnxCodecTlvDecoder_Position(data->decoder); + + assertFalse(success, "Should have failed with too small a buffer"); + assertTrue(beforePosition == afterPosition, "Wrong postion, got %zu expected %zu", afterPosition, beforePosition); +} + +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetHeaderLength) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + ccnxCodecSchemaV1FixedHeaderDecoder_Decode(data->decoder, data->dictionary); + int headerLength = ccnxCodecSchemaV1FixedHeaderDecoder_GetHeaderLength(data->dictionary); + assertTrue(headerLength == data->headerLength, "Wrong headerLength, got %d expected %d", headerLength, + data->headerLength); +} + +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketType) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + ccnxCodecSchemaV1FixedHeaderDecoder_Decode(data->decoder, data->dictionary); + int packetType = ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketType(data->dictionary); + assertTrue(packetType == data->packetType, "Wrong packetType, got %d expected %d", packetType, data->packetType); +} + +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketLength) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + ccnxCodecSchemaV1FixedHeaderDecoder_Decode(data->decoder, data->dictionary); + int packetLength = ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketLength(data->dictionary); + assertTrue(packetLength == data->packetLength, "Wrong payloadLength, got %d expected %d", packetLength, + data->packetLength); +} + +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetVersion) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + ccnxCodecSchemaV1FixedHeaderDecoder_Decode(data->decoder, data->dictionary); + int version = ccnxCodecSchemaV1FixedHeaderDecoder_GetVersion(data->dictionary); + assertTrue(version == data->version, "Wrong version, got %d expected %d", version, data->version); +} + +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetHopLimit) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + ccnxCodecSchemaV1FixedHeaderDecoder_Decode(data->decoder, data->dictionary); + int hopLimit = ccnxCodecSchemaV1FixedHeaderDecoder_GetHopLimit(data->dictionary); + assertTrue(hopLimit == data->hopLimit, "Wrong hopLimit, got %d expected %d", hopLimit, data->hopLimit); +} + +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetReturnCode) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + ccnxCodecSchemaV1FixedHeaderDecoder_Decode(data->decoder, data->dictionary); + int returnCode = ccnxCodecSchemaV1FixedHeaderDecoder_GetReturnCode(data->dictionary); + assertTrue(returnCode == data->returnCode, "Wrong returnCode, got %d expected %d", returnCode, data->returnCode); + + // Check that the InterestReturnCode was set in the fast array, too. + uint8_t test = + ccnxTlvDictionary_GetInteger(data->dictionary, + CCNxCodecSchemaV1TlvDictionary_HeadersFastArray_InterestReturnCode); + assertTrue(test == data->returnCode, "Expected the dictionary to have the return code set"); +} + +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetFlags) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + ccnxCodecSchemaV1FixedHeaderDecoder_Decode(data->decoder, data->dictionary); + int flags = ccnxCodecSchemaV1FixedHeaderDecoder_GetFlags(data->dictionary); + assertTrue(flags == data->flags, "Wrong flags, got %d expected %d", flags, data->flags); +} + + +// ============================== +// Tests for missing values + +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetHeaderLength_Missing) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + // don't decode the buffer, so we're operating with an empty dictionary + int version = ccnxCodecSchemaV1FixedHeaderDecoder_GetHeaderLength(data->dictionary); + assertTrue(version == -1, "Wrong HeaderLength, got %d expected %d", version, -1); +} + +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketType_Missing) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + // don't decode the buffer, so we're operating with an empty dictionary + int version = ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketType(data->dictionary); + assertTrue(version == -1, "Wrong PacketType, got %d expected %d", version, -1); +} + +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketLength_Missing) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + // don't decode the buffer, so we're operating with an empty dictionary + int version = ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketLength(data->dictionary); + assertTrue(version == -1, "Wrong payloadLength, got %d expected %d", version, -1); +} + +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_GetVersion_Missing) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + // don't decode the buffer, so we're operating with an empty dictionary + int version = ccnxCodecSchemaV1FixedHeaderDecoder_GetVersion(data->dictionary); + assertTrue(version == -1, "Wrong version, got %d expected %d", version, -1); +} + + +/** + * Packet length must be at least 8 bytes + */ +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_PacketLengthTooShort) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + CCNxCodecSchemaV1InterestHeader header = { + .version = 1, + .packetType = CCNxCodecSchemaV1Types_PacketType_Interest, + .packetLength = htons(3), + .hopLimit = 4, + .returnCode = 7, + .flags = 8, + .headerLength = 9, + }; + + PARCBuffer *fixedHeader = parcBuffer_Wrap(&header, 8, 0, 8); + CCNxCodecTlvDecoder *decoder = ccnxCodecTlvDecoder_Create(fixedHeader); + + bool success = ccnxCodecSchemaV1FixedHeaderDecoder_Decode(decoder, data->dictionary); + assertFalse(success, "Did not fail on packet length too short"); + + ccnxCodecTlvDecoder_Destroy(&decoder); + parcBuffer_Release(&fixedHeader); +} + +/** + * Header length must be at least 8 bytes + */ +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_HeaderLengthTooShort) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + CCNxCodecSchemaV1InterestHeader header = { + .version = 1, + .packetType = CCNxCodecSchemaV1Types_PacketType_Interest, + .packetLength = htons(12), + .hopLimit = 4, + .returnCode = 7, + .flags = 8, + .headerLength = 6, + }; + + PARCBuffer *fixedHeader = parcBuffer_Wrap(&header, 8, 0, 8); + CCNxCodecTlvDecoder *decoder = ccnxCodecTlvDecoder_Create(fixedHeader); + + bool success = ccnxCodecSchemaV1FixedHeaderDecoder_Decode(decoder, data->dictionary); + assertFalse(success, "Did not fail on header length too short"); + + ccnxCodecTlvDecoder_Destroy(&decoder); + parcBuffer_Release(&fixedHeader); +} + +/** + * Packet length must be no less than Header Length + */ +LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV1FixedHeaderDecoder_PacketLengthLessHeaderLength) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + CCNxCodecSchemaV1InterestHeader header = { + .version = 1, + .packetType = CCNxCodecSchemaV1Types_PacketType_Interest, + .packetLength = htons(12), + .hopLimit = 4, + .returnCode = 7, + .flags = 8, + .headerLength = 18, + }; + + PARCBuffer *fixedHeader = parcBuffer_Wrap(&header, 8, 0, 8); + CCNxCodecTlvDecoder *decoder = ccnxCodecTlvDecoder_Create(fixedHeader); + + bool success = ccnxCodecSchemaV1FixedHeaderDecoder_Decode(decoder, data->dictionary); + assertFalse(success, "Did not fail on packet length less than header length"); + + ccnxCodecTlvDecoder_Destroy(&decoder); + parcBuffer_Release(&fixedHeader); +} + +// ====================== + +int +main(int argc, char *argv[]) +{ + LongBowRunner *testRunner = LONGBOW_TEST_RUNNER_CREATE(ccnxCodecSchemaV1_FixedHeaderDecoder); + int exitStatus = longBowMain(argc, argv, testRunner, NULL); + longBowTestRunner_Destroy(&testRunner); + exit(exitStatus); +} |