It_los_event_033.c

/*
 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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#include "It_los_event.h"

#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cpluscplus */
#endif /* __cpluscplus */

static VOID TaskF01(VOID)
{
    UINT32 ret;

    g_testCount++;
    ret = LOS_EventRead(&g_event, 0xF, LOS_WAITMODE_AND | LOS_WAITMODE_CLR, LOS_WAIT_FOREVER);
    ICUNIT_GOTO_EQUAL(ret, 0xF, ret, EXIT);
    ICUNIT_GOTO_EQUAL(g_event.uwEventID, 0, g_event.uwEventID, EXIT);
    ICUNIT_GOTO_EQUAL(g_testCount, 3, g_testCount, EXIT); // 3, Here, assert that g_testCount is equal to 3.
    g_testCount++;

    ret = LOS_EventWrite(&g_event, 0xF);
    ICUNIT_GOTO_EQUAL(ret, LOS_OK, ret, EXIT);

EXIT:
    LOS_TaskDelete(g_testTaskID01);
}

static VOID TaskF02(VOID)
{
    UINT32 ret;

    g_testCount++;
    TestExtraTaskDelay(2); // 2, delay enouge time

    ret = LOS_EventRead(&g_event, 0xF, LOS_WAITMODE_AND | LOS_WAITMODE_CLR, LOS_WAIT_FOREVER);
    ICUNIT_GOTO_EQUAL(ret, 0xF, ret, EXIT);
    ICUNIT_GOTO_EQUAL(g_event.uwEventID, 0, g_event.uwEventID, EXIT);
    ICUNIT_GOTO_EQUAL(g_testCount, 4, g_testCount, EXIT); // 4, Here, assert that g_testCount is equal to 4.
    g_testCount++;

    ret = LOS_EventWrite(&g_event, 0xF);
    ICUNIT_GOTO_EQUAL(ret, LOS_OK, ret, EXIT);

EXIT:

    LOS_TaskDelete(g_testTaskID02);
}

static VOID TaskF03(VOID)
{
    UINT32 ret;

    g_testCount++;
    TestExtraTaskDelay(4); // 4, set delay time

    ret = LOS_EventRead(&g_event, 0xF, LOS_WAITMODE_AND | LOS_WAITMODE_CLR, LOS_WAIT_FOREVER);
    ICUNIT_GOTO_EQUAL(ret, 0xF, ret, EXIT);
    ICUNIT_GOTO_EQUAL(g_event.uwEventID, 0, g_event.uwEventID, EXIT);
    ICUNIT_GOTO_EQUAL(g_testCount, 5, g_testCount, EXIT);  // 5, Here, assert that g_testCount is equal to 5.
    g_testCount++;

EXIT:
    LOS_TaskDelete(g_testTaskID03);
}

static UINT32 Testcase(VOID)
{
    UINT32 ret;
    TSK_INIT_PARAM_S task1 = {0};

    g_testCount = 0;
    LOS_EventInit(&g_event);

    task1.pfnTaskEntry = (TSK_ENTRY_FUNC)TaskF01;
    task1.pcName = "EventTsk33A";
    task1.uwStackSize = TASK_STACK_SIZE_TEST;
    // 3, Set the priority according to the task purpose,a smaller number means a higher priority.
    task1.usTaskPrio = TASK_PRIO_TEST - 3;
    task1.uwResved = LOS_TASK_STATUS_DETACHED;

    ret = LOS_TaskCreate(&g_testTaskID01, &task1);
    ICUNIT_GOTO_EQUAL(ret, LOS_OK, ret, EXIT);

    task1.pfnTaskEntry = (TSK_ENTRY_FUNC)TaskF02;
    task1.pcName = "EventTsk33B";
    task1.uwStackSize = TASK_STACK_SIZE_TEST;
    task1.usTaskPrio = TASK_PRIO_TEST - 2; // 2, set new task priority, it is higher than the current task.
    task1.uwResved = LOS_TASK_STATUS_DETACHED;

    ret = LOS_TaskCreate(&g_testTaskID02, &task1);
    ICUNIT_GOTO_EQUAL(ret, LOS_OK, ret, EXIT1);

    task1.pfnTaskEntry = (TSK_ENTRY_FUNC)TaskF03;
    task1.pcName = "EventTsk33C";
    task1.uwStackSize = TASK_STACK_SIZE_TEST;
    task1.usTaskPrio = TASK_PRIO_TEST - 1;
    task1.uwResved = LOS_TASK_STATUS_DETACHED;

    ret = LOS_TaskCreate(&g_testTaskID03, &task1);
    ICUNIT_GOTO_EQUAL(ret, LOS_OK, ret, EXIT2);
    TestExtraTaskDelay(1);

    ICUNIT_GOTO_EQUAL(g_testCount, 3, g_testCount, EXIT2); // 3, Here, assert that g_testCount is equal to 3.

    ret = LOS_EventWrite(&g_event, 0xF);

    TestBusyTaskDelay(10); // 10, set delay time
    LOS_TaskDelay(1);

    ICUNIT_GOTO_EQUAL(g_testCount, 6, g_testCount, EXIT3); // 6, Here, assert that g_testCount is equal to 3.

EXIT3:
    ret = LOS_EventClear(&g_event, 0);
    ICUNIT_ASSERT_EQUAL(ret, LOS_OK, ret);

    ret = LOS_EventDestroy(&g_event);
    ICUNIT_ASSERT_EQUAL(ret, LOS_OK, ret);

EXIT2:
    LOS_TaskDelete(g_testTaskID03);

EXIT1:
    LOS_TaskDelete(g_testTaskID02);

EXIT:
    LOS_TaskDelete(g_testTaskID01);

    return LOS_OK;
}

VOID ItLosEvent033(VOID) // IT_Layer_ModuleORFeature_No
{
    TEST_ADD_CASE("ItLosEvent033", Testcase, TEST_LOS, TEST_EVENT, TEST_LEVEL2, TEST_FUNCTION);
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cpluscplus */
#endif /* __cpluscplus */