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+/*
+ * 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.
+ */
+
+/**
+ * This test rig sets up test data to wrap a packet and prepare it for use in a decoder
+ *
+ * A hand-encoded packet, such as from the testdata directory can be passed to commonSetup and then
+ * run automated tests against it based on its manifest.
+ *
+ * Example:
+ * @code
+ *
+ * static uint8_t object_nameC_keyid3_protoinfo[] = {
+ * 0x00, 0x02, 0x00, 110, // ver = 0, type = object, length = 110
+ * 0x00, 0x00, 0x00, 5, // reserved = 0, header length = 5
+ * // ---------------------------
+ * // snip middle of packet
+ * // ------------------------
+ * // byte offset 76
+ * 0x00, 0x03, 0x00, 26, // Protocol Information, length = 26
+ * 0x00, 0x0B, 0x00, 17, // Object Metadata, length = 17
+ * 0x00, 0x0C, 0x00, 0x01, // Object Type, length = 1
+ * 0x04, // LINK
+ * 0x00, 0x0D, 0x00, 8, // Creation Time
+ * 0x00, 0x00, 0x01, 0x43, // 1,388,534,400,000 msec
+ * 0x4B, 0x19, 0x84, 0x00,
+ * 0x00, 0x19, 0x00, 0x01, // EndSegment, length = 1
+ * 42,
+ * // ---------------------------
+ * // snip to end of packet
+ * // ---------------------------
+ * };
+ *
+ * static TruthTableEntry TRUTHTABLENAME(object_nameC_keyid3_protoinfo)[] = {
+ * { .wellKnownType = true, .indexOrKey = MANIFEST_OBJ_METADATA, .bodyManifest=true, .extent = { 80, 17} },
+ * { .wellKnownType = true, .indexOrKey = MANIFEST_OBJ_OBJ_TYPE, .bodyManifest=true, .extent = { 84, 1} },
+ * { .wellKnownType = false, .indexOrKey = T_INVALID, .extent = { 0, 0} },
+ * };
+ *
+ * LONGBOW_TEST_FIXTURE_SETUP(Global)
+ * {
+ * commonSetup(testCase, object_nameC_keyid3_protoinfo, sizeof(object_nameC_keyid3_protoinfo), object_nameC_keyid3_protoinfo_truthTableEntries, MANIFEST_OBJ_METADATA);
+ * return LONGBOW_STATUS_SUCCEEDED;
+ * }
+ *
+ * LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV0ProtoInfo_GetEndSegmentNumber)
+ * {
+ * testInt32Getter(testCase, MANIFEST_OBJ_OBJ_TYPE, ccnxCodecSchemaV0Metadata_Decode, ccnxCodecSchemaV0Metadata_GetContentType);
+ * }
+ *
+ * @endcode
+ *
+ */
+
+#include <inttypes.h>
+#include <stdio.h>
+
+#include <ccnx/common/codec/ccnxCodec_TlvUtilities.h>
+#include <ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_NameCodec.h>
+#include <ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_HashCodec.h>
+#include <ccnx/common/codec/schema_v1/testdata/v1_testrig_truthTable.h>
+
+/**
+ * Finds a row in the truthtable where bodyManifest is TRUE and the
+ * indexOrKey equals 'key'.
+ */
+TlvExtent
+getTruthTableExtent(TruthTableEntry *ttentry, int key)
+{
+ for (int i = 0; ttentry[i].indexOrKey != T_INVALID; i++) {
+ if (ttentry[i].bodyManifest && ttentry[i].indexOrKey == key) {
+ return ttentry[i].extent;
+ }
+ }
+ return (TlvExtent) { 0, 0 };
+}
+
+/**
+ * Finds a row in the truthtable where bodyManifest is FALSE and the
+ * indexOrKey equals 'key'.
+ */
+TlvExtent
+getTruthTableHeaderExtent(TruthTableEntry *ttentry, int key)
+{
+ for (int i = 0; ttentry[i].indexOrKey != T_INVALID; i++) {
+ if (!ttentry[i].bodyManifest && ttentry[i].indexOrKey == key) {
+ return ttentry[i].extent;
+ }
+ }
+ return (TlvExtent) { 0, 0 };
+}
+
+typedef struct test_data {
+ PARCBuffer *interest;
+ CCNxCodecTlvDecoder *decoder;
+ CCNxTlvDictionary *dictionary;
+
+ uint8_t *packet;
+ size_t packetLength;
+ TruthTableEntry *truthTable;
+} TestData;
+
+/**
+ * Wraps the given (packet, length) in a PARCBuffer where the data->memoryRegion member will be set
+ * to a given extent within that PARCBuffer. The function will locate the truthTableKey in the truthTable and
+ * use it's extent as the bounds for the wrapped packet.
+ *
+ * For example, if the key V1_INT_NAME has the extent {32, 12}, then the PARCBuffer will wrap the packet
+ * memory and it will have and offset of 32, position 0, and a limit of 12.
+ */
+TestData *
+commonSetup(uint8_t *packet, size_t length, TruthTableEntry *truthTable, int truthTableKey)
+{
+ TestData *data = parcMemory_AllocateAndClear(sizeof(TestData));
+ assertNotNull(data, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(TestData));
+
+ TlvExtent extent = getTruthTableExtent(truthTable, truthTableKey);
+
+ data->interest = parcBuffer_Wrap(packet, length, extent.offset, extent.offset + extent.length);
+ data->decoder = ccnxCodecTlvDecoder_Create(data->interest);
+
+ // content objects have more fields than interests, so use that
+ data->dictionary = ccnxTlvDictionary_Create(CCNxCodecSchemaV1TlvDictionary_MessageFastArray_END, CCNxCodecSchemaV1TlvDictionary_Lists_END);
+
+ data->packet = packet;
+ data->packetLength = length;
+ data->truthTable = truthTable;
+ return data;
+}
+
+void
+commonSetupWholePacket(LongBowTestCase *testCase, uint8_t *packet, size_t length, TruthTableEntry *truthTable)
+{
+ TestData *data = parcMemory_AllocateAndClear(sizeof(TestData));
+ assertNotNull(data, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(TestData));
+
+ data->interest = parcBuffer_Wrap(packet, length, 0, length);
+ data->decoder = ccnxCodecTlvDecoder_Create(data->interest);
+ data->dictionary = ccnxTlvDictionary_Create(CCNxCodecSchemaV1TlvDictionary_MessageFastArray_END, CCNxCodecSchemaV1TlvDictionary_Lists_END);
+
+ data->packet = packet;
+ data->packetLength = length;
+ data->truthTable = truthTable;
+
+ longBowTestCase_SetClipBoardData(testCase, data);
+}
+
+void
+commonTeardown(TestData *data)
+{
+ ccnxTlvDictionary_Release(&data->dictionary);
+ ccnxCodecTlvDecoder_Destroy(&data->decoder);
+ parcBuffer_Release(&data->interest);
+ parcMemory_Deallocate((void **) &data);
+}
+
+/**
+ * Tests that an int32_t getter returns the right value
+ *
+ * Given a packet byte array and a truth table (see transport/test_tools/testdata/testrig_truthTable.h),
+ * check that the buffer the decoder parsed is the right buffer.
+ *
+ * The function will run the specified decoder on the TestData's packet and put the results in the
+ * TestData's dictionary. It will then call the specified getter and make sure its value is equal
+ * to the truth table's value.
+ *
+ * The function will assert if the test fails.
+ *
+ * @param [in] testCase Used to get the clipboard data with the TestData member
+ * @param [in] truthTableKey Used to match the .indexOrKey truth table member
+ * @param [in] containerDecoder The decoder to use on the packet contained in TestData
+ * @param [in] getter The function to call to fetch a decoded value
+ *
+ * Example:
+ * @code
+ *
+ * static uint8_t object_nameC_keyid3_protoinfo[] = {
+ * 0x00, 0x02, 0x00, 110, // ver = 0, type = object, length = 110
+ * 0x00, 0x00, 0x00, 5, // reserved = 0, header length = 5
+ * // ---------------------------
+ * // snip middle of packet
+ * // ------------------------
+ * // byte offset 76
+ * 0x00, 0x03, 0x00, 26, // Protocol Information, length = 26
+ * 0x00, 0x0B, 0x00, 17, // Object Metadata, length = 17
+ * 0x00, 0x0C, 0x00, 0x01, // Object Type, length = 1
+ * 0x04, // LINK
+ * 0x00, 0x0D, 0x00, 8, // Creation Time
+ * 0x00, 0x00, 0x01, 0x43, // 1,388,534,400,000 msec
+ * 0x4B, 0x19, 0x84, 0x00,
+ * 0x00, 0x19, 0x00, 0x01, // EndSegment, length = 1
+ * 42,
+ * // ---------------------------
+ * // snip to end of packet
+ * // ---------------------------
+ * };
+ *
+ * static TruthTableEntry TRUTHTABLENAME(object_nameC_keyid3_protoinfo)[] = {
+ * { .wellKnownType = true, .indexOrKey = MANIFEST_OBJ_METADATA, .bodyManifest=true, .extent = { 80, 17} },
+ * { .wellKnownType = true, .indexOrKey = MANIFEST_OBJ_OBJ_TYPE, .bodyManifest=true, .extent = { 84, 1} },
+ * { .wellKnownType = false, .indexOrKey = T_INVALID, .extent = { 0, 0} },
+ * };
+ *
+ * LONGBOW_TEST_FIXTURE_SETUP(Global)
+ * {
+ * commonSetup(testCase, object_nameC_keyid3_protoinfo, sizeof(object_nameC_keyid3_protoinfo), object_nameC_keyid3_protoinfo_truthTableEntries, MANIFEST_OBJ_METADATA);
+ * return LONGBOW_STATUS_SUCCEEDED;
+ * }
+ *
+ * LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV0ProtoInfo_GetEndSegmentNumber)
+ * {
+ * testInt32Getter(testCase, MANIFEST_OBJ_OBJ_TYPE, ccnxCodecSchemaV0Metadata_Decode, ccnxCodecSchemaV0Metadata_GetContentType);
+ * }
+ * * @endcode
+ */
+void
+testInt32Getter(LongBowTestCase *testCase, int truthTableKey, bool containerDecoder(CCNxCodecTlvDecoder *, CCNxTlvDictionary *),
+ int32_t (*getter)(CCNxTlvDictionary *))
+{
+ TestData *data = longBowTestCase_GetClipBoardData(testCase);
+ containerDecoder(data->decoder, data->dictionary);
+ int32_t testvalue = getter(data->dictionary);
+
+ // look up the true name buffer from the truth table
+ TlvExtent extent = getTruthTableExtent(data->truthTable, truthTableKey);
+ PARCBuffer *truthbuffer = parcBuffer_Wrap(data->packet, data->packetLength, extent.offset, extent.offset + extent.length);
+ uint64_t truthvalue = -2;
+ ccnxCodecTlvUtilities_GetVarInt(truthbuffer, parcBuffer_Remaining(truthbuffer), &truthvalue);
+
+ parcBuffer_Release(&truthbuffer);
+
+ assertTrue(testvalue == (int32_t) truthvalue, "Wrong value, got %d expected %d", testvalue, (int32_t) truthvalue);
+}
+
+/**
+ * Tests that an int64_t getter returns the right value
+ *
+ * Given a packet byte array and a truth table (see transport/test_tools/testdata/testrig_truthTable.h),
+ * check that the buffer the decoder parsed is the right buffer.
+ *
+ * The function will run the specified decoder on the TestData's packet and put the results in the
+ * TestData's dictionary. It will then call the specified getter and make sure its value is equal
+ * to the truth table's value.
+ *
+ * The function will assert if the test fails.
+ *
+ * @param [in] testCase Used to get the clipboard data with the TestData member
+ * @param [in] truthTableKey Used to match the .indexOrKey truth table member
+ * @param [in] containerDecoder The decoder to use on the packet contained in TestData
+ * @param [in] getter The function to call to fetch a decoded value
+ *
+ * Example:
+ * @code
+ *
+ * static uint8_t object_nameC_keyid3_protoinfo[] = {
+ * 0x00, 0x02, 0x00, 110, // ver = 0, type = object, length = 110
+ * 0x00, 0x00, 0x00, 5, // reserved = 0, header length = 5
+ * // ---------------------------
+ * // snip middle of packet
+ * // ------------------------
+ * // byte offset 76
+ * 0x00, 0x03, 0x00, 26, // Protocol Information, length = 26
+ * 0x00, 0x0B, 0x00, 17, // Object Metadata, length = 17
+ * 0x00, 0x0C, 0x00, 0x01, // Object Type, length = 1
+ * 0x04, // LINK
+ * 0x00, 0x0D, 0x00, 8, // Creation Time
+ * 0x00, 0x00, 0x01, 0x43, // 1,388,534,400,000 msec
+ * 0x4B, 0x19, 0x84, 0x00,
+ * 0x00, 0x19, 0x00, 0x01, // EndSegment, length = 1
+ * 42,
+ * // ---------------------------
+ * // snip to end of packet
+ * // ---------------------------
+ * };
+ *
+ * static TruthTableEntry TRUTHTABLENAME(object_nameC_keyid3_protoinfo)[] = {
+ * { .wellKnownType = true, .indexOrKey = MANIFEST_OBJ_PROTOINFO, .bodyManifest=true, .extent = { 76, 26} },
+ * { .wellKnownType = true, .indexOrKey = MANIFEST_OBJ_ENDSEGMENT, .bodyManifest=true, .extent = {101, 1} },
+ * { .wellKnownType = false, .indexOrKey = T_INVALID, .extent = { 0, 0} },
+ * };
+ *
+ * LONGBOW_TEST_FIXTURE_SETUP(Global)
+ * {
+ * commonSetup(testCase, object_nameC_keyid3_protoinfo, sizeof(object_nameC_keyid3_protoinfo), object_nameC_keyid3_protoinfo_truthTableEntries, MANIFEST_OBJ_PROTOINFO);
+ * return LONGBOW_STATUS_SUCCEEDED;
+ * }
+ *
+ * LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV0ProtoInfo_GetEndSegmentNumber)
+ * {
+ * testInt64Getter(testCase, MANIFEST_OBJ_ENDSEGMENT, ccnxCodecSchemaV0ProtoInfo_Decode, ccnxCodecSchemaV0ProtoInfo_GetEndSegmentNumber);
+ * }
+ *
+ * @endcode
+ */
+void
+testInt64Getter(TestData *data, int truthTableKey, bool containerDecoder(CCNxCodecTlvDecoder *, CCNxTlvDictionary *),
+ int64_t (*getter)(CCNxTlvDictionary *))
+{
+ containerDecoder(data->decoder, data->dictionary);
+ int64_t testvalue = getter(data->dictionary);
+
+ // look up the true name buffer from the truth table
+ TlvExtent extent = getTruthTableExtent(data->truthTable, truthTableKey);
+ PARCBuffer *truthbuffer = parcBuffer_Wrap(data->packet, data->packetLength, extent.offset, extent.offset + extent.length);
+ uint64_t truthvalue = -2;
+ ccnxCodecTlvUtilities_GetVarInt(truthbuffer, parcBuffer_Remaining(truthbuffer), &truthvalue);
+
+ parcBuffer_Release(&truthbuffer);
+
+ assertTrue(testvalue == (int64_t) truthvalue, "Wrong value, got %" PRId64 " expected %" PRId64, testvalue, (int64_t) truthvalue);
+}
+
+/**
+ * Tests that a buffer getter returns the right buffer
+ *
+ * Given a packet byte array and a truth table (see transport/test_tools/testdata/testrig_truthTable.h),
+ * check that the buffer the decoder parsed is the right buffer.
+ *
+ * The function will run the specified decoder on the TestData's packet and put the results in the
+ * TestData's dictionary. It will then call the specified getter and make sure its value is equal
+ * to the truth table's value.
+ *
+ * The function will assert if the test fails.
+ *
+ * @param [in] testCase Used to get the clipboard data with the TestData member
+ * @param [in] truthTableKey Used to match the .indexOrKey truth table member
+ * @param [in] containerDecoder The decoder to use on the packet contained in TestData
+ * @param [in] getter The function to call to fetch a decoded value
+ *
+ * Example:
+ * @code
+ *
+ * static uint8_t object_nameC_keyid3_protoinfo[] = {
+ * 0x00, 0x02, 0x00, 110, // ver = 0, type = object, length = 110
+ * 0x00, 0x00, 0x00, 5, // reserved = 0, header length = 5
+ * // ---------------------------
+ * // snip middle of packet
+ * // ------------------------
+ * // byte offset = 117
+ * 0x00, 0x05, 0x00, 0x06, // signature block, length = 6
+ * 0x00, 0x0E, 0x00, 0x02, // signature bits, length = 2
+ * 0xBE, 0xEF // value = 0xBEEF
+ * };
+ *
+ * static TruthTableEntry TRUTHTABLENAME(object_nameC_keyid3_protoinfo)[] = {
+ * { .wellKnownType = true, .indexOrKey = MANIFEST_OBJ_SIGBLOCK, .bodyManifest=true, .extent = {117, 6} },
+ * { .wellKnownType = true, .indexOrKey = MANIFEST_OBJ_SIGBITS, .bodyManifest=true, .extent = {121, 2} },
+ * { .wellKnownType = false, .indexOrKey = T_INVALID, .extent = { 0, 0} },
+ * };
+ *
+ * LONGBOW_TEST_FIXTURE_SETUP(Global)
+ * {
+ * commonSetup(testCase, object_nameC_keyid3_protoinfo, sizeof(object_nameC_keyid3_protoinfo), object_nameC_keyid3_protoinfo_truthTableEntries, MANIFEST_OBJ_SIGBLOCK);
+ * return LONGBOW_STATUS_SUCCEEDED;
+ * }
+ *
+ * LONGBOW_TEST_CASE(Global, ccnxCodecSchemaV0SigBlock_GetSignatureBits)
+ * {
+ * testBufferGetter(testCase, MANIFEST_OBJ_SIGBITS, ccnxCodecSchemaV0SigBlock_Decode, ccnxCodecSchemaV0SigBlock_GetSignatureBits);
+ * }
+ *
+ * @endcode
+ */
+void
+testBufferGetter(TestData *data, int truthTableKey, bool containerDecoder(CCNxCodecTlvDecoder *, CCNxTlvDictionary *),
+ PARCBuffer *(*getter)(const CCNxTlvDictionary *))
+{
+ containerDecoder(data->decoder, data->dictionary);
+ PARCBuffer *test = getter(data->dictionary);
+
+ // look up the true name buffer from the truth table
+ TlvExtent extent = getTruthTableExtent(data->truthTable, truthTableKey);
+ PARCBuffer *truth = parcBuffer_Wrap(data->packet, data->packetLength, extent.offset, extent.offset + extent.length);
+
+ assertTrue(parcBuffer_Equals(test, truth), "Buffers not equal")
+ {
+ printf("Expected:\n");
+ parcBuffer_Display(truth, 3);
+ printf("Got:\n");
+ parcBuffer_Display(test, 3);
+ }
+
+ parcBuffer_Release(&truth);
+}
+
+void
+testHashGetter(TestData *data, int truthTableKey, bool containerDecoder(CCNxCodecTlvDecoder *, CCNxTlvDictionary *),
+ PARCCryptoHash *(*getter)(CCNxTlvDictionary *))
+{
+ containerDecoder(data->decoder, data->dictionary);
+ PARCCryptoHash *testHash = getter(data->dictionary);
+
+ // look up the true hash buffer from the truth table
+ TlvExtent extent = getTruthTableExtent(data->truthTable, truthTableKey);
+ PARCBuffer *truthBuffer = parcBuffer_Wrap(data->packet, data->packetLength, extent.offset, extent.offset + extent.length);
+
+ // decode the hash value
+ CCNxCodecTlvDecoder *decoder = ccnxCodecTlvDecoder_Create(truthBuffer);
+ PARCCryptoHash *truthHash = ccnxCodecSchemaV1HashCodec_DecodeValue(decoder, extent.length);
+ ccnxCodecTlvDecoder_Destroy(&decoder);
+
+ // compare the decoded value against the expected value
+ assertTrue(parcCryptoHash_Equals(testHash, truthHash), "Hashes not equal")
+ {
+ printf("Expected:\n");
+ printf(" %s\n", parcBuffer_ToHexString(parcCryptoHash_GetDigest(truthHash)));
+ printf("Got:\n");
+ printf(" %s\n", parcBuffer_ToHexString(parcCryptoHash_GetDigest(testHash)));
+ }
+
+ parcCryptoHash_Release(&truthHash);
+ parcBuffer_Release(&truthBuffer);
+}
+
+void
+testNameGetter(TestData *data, int truthTableKey, bool containerDecoder(CCNxCodecTlvDecoder *, CCNxTlvDictionary *),
+ CCNxName *(*getter)(CCNxTlvDictionary *))
+{
+ containerDecoder(data->decoder, data->dictionary);
+ CCNxName *test = getter(data->dictionary);
+
+ // look up the true name buffer from the truth table
+ TlvExtent extent = getTruthTableExtent(data->truthTable, truthTableKey);
+
+ // we need to backup 4 bytes to get the TLV container
+ PARCBuffer *truthBuffer =
+ parcBuffer_Wrap(data->packet, data->packetLength, extent.offset - 4, extent.offset + extent.length);
+
+ CCNxCodecTlvDecoder *decoder = ccnxCodecTlvDecoder_Create(truthBuffer);
+ CCNxName *truthName = ccnxCodecSchemaV1NameCodec_Decode(decoder, CCNxCodecSchemaV1Types_CCNxMessage_Name);
+ ccnxCodecTlvDecoder_Destroy(&decoder);
+
+ assertTrue(ccnxName_Equals(test, truthName), "Names not equal")
+ {
+ printf("Expected:\n");
+ ccnxName_Display(truthName, 3);
+ printf("Got:\n");
+ ccnxName_Display(test, 3);
+ }
+
+ ccnxName_Release(&truthName);
+ parcBuffer_Release(&truthBuffer);
+}
+
+void
+testMissingInt32Getter(LongBowTestCase *testCase, int32_t (*getter)(CCNxTlvDictionary *))
+{
+ TestData *data = longBowTestCase_GetClipBoardData(testCase);
+ int32_t test = getter(data->dictionary);
+
+ assertTrue(test == -1, "Wrong value, got %d expected %d", test, -1);
+}
+
+/**
+ * Tried to retrieve execute the getter on the dictionary and ensures that
+ * the field is missing.
+ */
+void
+testMissingInt64Getter(LongBowTestCase *testCase, int64_t (*getter)(CCNxTlvDictionary *))
+{
+ TestData *data = longBowTestCase_GetClipBoardData(testCase);
+ int64_t test = getter(data->dictionary);
+
+ assertTrue(test == -1, "Wrong value, got %" PRId64 " expected %d", test, -1);
+}
+
+/**
+ * Tried to retrieve execute the getter on the dictionary and ensures that
+ * the field is missing.
+ */
+void
+testMissingNameGetter(LongBowTestCase *testCase, CCNxName *(*getter)(CCNxTlvDictionary *))
+{
+ TestData *data = longBowTestCase_GetClipBoardData(testCase);
+ CCNxName *test = getter(data->dictionary);
+
+ assertNull(test, "Should have gotten null for missing field, got %p", (void *) test);
+}
+
+/**
+ * Tried to retrieve execute the getter on the dictionary and ensures that
+ * the field is missing.
+ */
+void
+testMissingBufferGetter(LongBowTestCase *testCase, PARCBuffer *(*getter)(CCNxTlvDictionary *))
+{
+ TestData *data = longBowTestCase_GetClipBoardData(testCase);
+ PARCBuffer *test = getter(data->dictionary);
+
+ assertNull(test, "Should have gotten null for missing field, got %p", (void *) test);
+}
+
+/**
+ * Tried to retrieve execute the getter on the dictionary and ensures that
+ * the field is missing.
+ */
+void
+testMissingDictionaryGetter(LongBowTestCase *testCase, CCNxTlvDictionary *(*getter)(CCNxTlvDictionary *))
+{
+ TestData *data = longBowTestCase_GetClipBoardData(testCase);
+ CCNxTlvDictionary *test = getter(data->dictionary);
+
+ assertNull(test, "Should have gotten null for missing field, got %p", (void *) test);
+}