diff options
Diffstat (limited to 'libparc/parc/concurrent/test/test_parc_Notifier.c')
| -rwxr-xr-x | libparc/parc/concurrent/test/test_parc_Notifier.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/libparc/parc/concurrent/test/test_parc_Notifier.c b/libparc/parc/concurrent/test/test_parc_Notifier.c new file mode 100755 index 00000000..97ce6615 --- /dev/null +++ b/libparc/parc/concurrent/test/test_parc_Notifier.c @@ -0,0 +1,267 @@ +/* + * 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 "../parc_Notifier.c" + +#include <sys/time.h> +#include <pthread.h> +#include <poll.h> + +#include <parc/algol/parc_SafeMemory.h> +#include <LongBow/unit-test.h> + +LONGBOW_TEST_RUNNER(parc_Notifier) +{ + // The following Test Fixtures will run their corresponding Test Cases. + // Test Fixtures are run in the order specified, but all tests should be idempotent. + // Never rely on the execution order of tests or share state between them. + LONGBOW_RUN_TEST_FIXTURE(Local); +} + +// The Test Runner calls this function once before any Test Fixtures are run. +LONGBOW_TEST_RUNNER_SETUP(parc_Notifier) +{ + return LONGBOW_STATUS_SUCCEEDED; +} + +// The Test Runner calls this function once after all the Test Fixtures are run. +LONGBOW_TEST_RUNNER_TEARDOWN(parc_Notifier) +{ + return LONGBOW_STATUS_SUCCEEDED; +} + +LONGBOW_TEST_FIXTURE(Global) +{ + LONGBOW_RUN_TEST_CASE(Global, parcNotifier_Acquire); + LONGBOW_RUN_TEST_CASE(Global, parcNotifier_Create_Release); + LONGBOW_RUN_TEST_CASE(Global, parcNotifier_PauseEvent_NotPaused); + LONGBOW_RUN_TEST_CASE(Global, parcNotifier_PauseEvent_AlreadyPaused); + LONGBOW_RUN_TEST_CASE(Global, parcNotifier_StartEvents); + + LONGBOW_RUN_TEST_CASE(Global, parcNotifier_Notify_First); + LONGBOW_RUN_TEST_CASE(Global, parcNotifier_Notify_Twice); + + LONGBOW_RUN_TEST_CASE(Global, parcNotifier_ThreadedTest); +} + +LONGBOW_TEST_FIXTURE_SETUP(Global) +{ + return LONGBOW_STATUS_SUCCEEDED; +} + +LONGBOW_TEST_FIXTURE_TEARDOWN(Global) +{ + if (parcSafeMemory_ReportAllocation(STDOUT_FILENO) != 0) { + printf("('%s' leaks memory by %d (allocs - frees)) ", longBowTestCase_GetName(testCase), parcMemory_Outstanding()); + return LONGBOW_STATUS_MEMORYLEAK; + } + return LONGBOW_STATUS_SUCCEEDED; +} + +// ------ +typedef struct test_data { + volatile int barrier; + PARCNotifier *notifier; + + unsigned notificationsToSend; + unsigned notificationsSent; + + unsigned notificationsToRecieve; + unsigned notificationsReceived; + + pthread_t producerThread; + pthread_t consumerThread; +} TestData; + + +void * +consumer(void *p) +{ + TestData *data = (TestData *) p; + --data->barrier; + while (data->barrier) { + ; + } + + struct pollfd pfd; + pfd.fd = parcNotifier_Socket(data->notifier); + pfd.events = POLLIN; + + while (data->notificationsReceived < data->notificationsToRecieve) { + if (poll(&pfd, 1, -1)) { + data->notificationsReceived++; + parcNotifier_PauseEvents(data->notifier); + usleep(rand() % 1024 + 1024); + printf("skipped = %d\n", data->notifier->skippedNotify); + parcNotifier_StartEvents(data->notifier); + } + } + + --data->barrier; + + printf("Consumer exiting: received %d\n", data->notificationsReceived); + pthread_exit((void *) NULL); +} + +void * +producer(void *p) +{ + TestData *data = (TestData *) p; + --data->barrier; + while (data->barrier) { + ; + } + + while (data->barrier == 0) { + if (parcNotifier_Notify(data->notifier)) { + } + data->notificationsSent++; + usleep(rand() % 1024 + 512); + } + + printf("Producer exiting: sent %d\n", data->notificationsSent); + pthread_exit((void *) NULL); +} + +LONGBOW_TEST_CASE(Global, parcNotifier_Acquire) +{ + testUnimplemented(""); +} + +LONGBOW_TEST_CASE(Global, parcNotifier_Create_Release) +{ + testUnimplemented(""); +} + +LONGBOW_TEST_CASE(Global, parcNotifier_PauseEvent_NotPaused) +{ + PARCNotifier *notifier = parcNotifier_Create(); + + parcNotifier_PauseEvents(notifier); + assertTrue(notifier->paused == 1, "Not paused, got %d expected %d", notifier->paused, 1); + assertTrue(notifier->skippedNotify == 0, "Wrong skipped, got %d expected %d", notifier->skippedNotify, 0); + + parcNotifier_Release(¬ifier); +} + +LONGBOW_TEST_CASE(Global, parcNotifier_PauseEvent_AlreadyPaused) +{ + PARCNotifier *notifier = parcNotifier_Create(); + + parcNotifier_PauseEvents(notifier); + + // now pause again + parcNotifier_PauseEvents(notifier); + + assertTrue(notifier->paused == 1, "Not paused, got %d expected %d", notifier->paused, 1); + assertTrue(notifier->skippedNotify == 0, "Wrong skipped, got %d expected %d", notifier->skippedNotify, 0); + + parcNotifier_Release(¬ifier); +} + + +LONGBOW_TEST_CASE(Global, parcNotifier_ThreadedTest) +{ + TestData *data = parcMemory_AllocateAndClear(sizeof(TestData)); + assertNotNull(data, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(TestData)); + + data->notifier = parcNotifier_Create(); + data->notificationsToSend = 10; + data->notificationsToRecieve = data->notificationsToSend; + data->notificationsSent = 0; + data->notificationsReceived = 0; + data->barrier = 2; + + pthread_create(&data->consumerThread, NULL, consumer, data); + pthread_create(&data->producerThread, NULL, producer, data); + + // wait for them to exit + pthread_join(data->producerThread, NULL); + pthread_join(data->consumerThread, NULL); + + assertTrue(data->notificationsReceived >= data->notificationsToRecieve, + "Did not write all items got %u expected %u\n", + data->notificationsReceived, + data->notificationsToRecieve); + + parcNotifier_Release(&data->notifier); + parcMemory_Deallocate((void **) &data); +} + +LONGBOW_TEST_CASE(Global, parcNotifier_StartEvents) +{ + testUnimplemented("unimplemented"); +} + +LONGBOW_TEST_CASE(Global, parcNotifier_Notify_First) +{ + PARCNotifier *notifier = parcNotifier_Create(); + + bool success = parcNotifier_Notify(notifier); + assertTrue(success, "Did not succeed on first notify"); + assertTrue(notifier->paused == 1, "Not paused, got %d expected %d", notifier->paused, 1); + assertTrue(notifier->skippedNotify == 0, "Wrong skipped, got %d expected %d", notifier->skippedNotify, 0); + + parcNotifier_Release(¬ifier); +} + + +LONGBOW_TEST_CASE(Global, parcNotifier_Notify_Twice) +{ + PARCNotifier *notifier = parcNotifier_Create(); + + parcNotifier_Notify(notifier); + + bool success = parcNotifier_Notify(notifier); + assertFalse(success, "Should have failed on second notify"); + assertTrue(notifier->paused == 1, "Not paused, got %d expected %d", notifier->paused, 1); + assertTrue(notifier->skippedNotify == 1, "Wrong skipped, got %d expected %d", notifier->skippedNotify, 1); + + parcNotifier_Release(¬ifier); +} + +// =============================================================== + +LONGBOW_TEST_FIXTURE(Local) +{ +} + +LONGBOW_TEST_FIXTURE_SETUP(Local) +{ + return LONGBOW_STATUS_SUCCEEDED; +} + +LONGBOW_TEST_FIXTURE_TEARDOWN(Local) +{ + if (parcSafeMemory_ReportAllocation(STDOUT_FILENO) != 0) { + printf("('%s' leaks memory by %d (allocs - frees)) ", longBowTestCase_GetName(testCase), parcMemory_Outstanding()); + return LONGBOW_STATUS_MEMORYLEAK; + } + return LONGBOW_STATUS_SUCCEEDED; +} + +int +main(int argc, char *argv[]) +{ + LongBowRunner *testRunner = LONGBOW_TEST_RUNNER_CREATE(parc_Notifier); + int exitStatus = LONGBOW_TEST_MAIN(argc, argv, testRunner); + longBowTestRunner_Destroy(&testRunner); + exit(exitStatus); +} |