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allwpilib/hal/src/test/native/cpp/mockdata/DIODataTest.cpp

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// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
#include "wpi/hal/simulation/DIOData.h"
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#include <string>
#include <gtest/gtest.h>
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#include "wpi/hal/DIO.h"
#include "wpi/hal/HAL.h"
#include "wpi/hal/handles/HandlesInternal.hpp"
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namespace wpi::hal {
std::string gTestDigitalIoCallbackName;
HAL_Value gTestDigitalIoCallbackValue;
void TestDigitalIoInitializationCallback(const char* name, void* param,
const struct HAL_Value* value) {
gTestDigitalIoCallbackName = name;
gTestDigitalIoCallbackValue = *value;
}
TEST(DigitalIoSimTest, DigitalIoInitialization) {
const int INDEX_TO_TEST = 3;
int callbackParam = 0;
int callbackId = HALSIM_RegisterDIOInitializedCallback(
INDEX_TO_TEST, &TestDigitalIoInitializationCallback, &callbackParam,
false);
ASSERT_TRUE(0 != callbackId);
int32_t status = 0;
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int32_t channel = 0;
HAL_DigitalHandle digitalIoHandle;
// Use out of range index
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channel = 8000;
gTestDigitalIoCallbackName = "Unset";
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digitalIoHandle = HAL_InitializeDIOPort(channel, true, nullptr, &status);
EXPECT_EQ(HAL_kInvalidHandle, digitalIoHandle);
EXPECT_EQ(HAL_USE_LAST_ERROR, status);
HAL_GetLastError(&status);
EXPECT_EQ(RESOURCE_OUT_OF_RANGE, status);
EXPECT_STREQ("Unset", gTestDigitalIoCallbackName.c_str());
// Successful setup
status = 0;
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channel = INDEX_TO_TEST;
gTestDigitalIoCallbackName = "Unset";
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digitalIoHandle = HAL_InitializeDIOPort(channel, true, nullptr, &status);
EXPECT_TRUE(HAL_kInvalidHandle != digitalIoHandle);
EXPECT_EQ(0, status);
EXPECT_STREQ("Initialized", gTestDigitalIoCallbackName.c_str());
// Double initialize... should fail
status = 0;
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channel = INDEX_TO_TEST;
gTestDigitalIoCallbackName = "Unset";
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digitalIoHandle = HAL_InitializeDIOPort(channel, true, nullptr, &status);
EXPECT_EQ(HAL_kInvalidHandle, digitalIoHandle);
EXPECT_EQ(HAL_USE_LAST_ERROR, status);
HAL_GetLastError(&status);
EXPECT_EQ(RESOURCE_IS_ALLOCATED, status);
EXPECT_STREQ("Unset", gTestDigitalIoCallbackName.c_str());
// Reset, should allow you to re-register
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wpi::hal::HandleBase::ResetGlobalHandles();
HALSIM_ResetDIOData(INDEX_TO_TEST);
callbackId = HALSIM_RegisterDIOInitializedCallback(
INDEX_TO_TEST, &TestDigitalIoInitializationCallback, &callbackParam,
false);
status = 0;
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channel = INDEX_TO_TEST;
gTestDigitalIoCallbackName = "Unset";
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digitalIoHandle = HAL_InitializeDIOPort(channel, true, nullptr, &status);
EXPECT_TRUE(HAL_kInvalidHandle != digitalIoHandle);
EXPECT_EQ(0, status);
EXPECT_STREQ("Initialized", gTestDigitalIoCallbackName.c_str());
HALSIM_CancelDIOInitializedCallback(INDEX_TO_TEST, callbackId);
}
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} // namespace wpi::hal