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allwpilib/wpilibc/src/test/native/cpp/UnitNetworkTablesTest.cpp

45 lines
1.5 KiB
C++

// 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 <gtest/gtest.h>
#include <networktables/DoubleTopic.h>
#include <networktables/NetworkTableInstance.h>
#include <networktables/UnitTopic.h>
#include <units/length.h>
class UnitNetworkTablesTest : public ::testing::Test {
public:
UnitNetworkTablesTest() : inst{nt::NetworkTableInstance::Create()} {}
~UnitNetworkTablesTest() override { nt::NetworkTableInstance::Destroy(inst); }
nt::NetworkTableInstance inst;
};
TEST_F(UnitNetworkTablesTest, Publish) {
auto topic = nt::UnitTopic<units::meter_t>{inst.GetTopic("meterTest")};
auto pub = topic.Publish();
pub.Set(2_m);
ASSERT_EQ(topic.GetProperty("unit"), "meter");
ASSERT_TRUE(topic.IsMatchingUnit());
}
TEST_F(UnitNetworkTablesTest, SubscribeDouble) {
auto topic = nt::UnitTopic<units::meter_t>{inst.GetTopic("meterTest")};
auto pub = topic.Publish();
auto sub = inst.GetDoubleTopic("meterTest").Subscribe(0);
ASSERT_EQ(sub.Get(), 0);
ASSERT_EQ(sub.Get(3), 3);
pub.Set(2_m);
ASSERT_EQ(sub.Get(), 2);
}
TEST_F(UnitNetworkTablesTest, SubscribeUnit) {
auto topic = nt::UnitTopic<units::meter_t>{inst.GetTopic("meterTest")};
auto pub = topic.Publish();
auto sub = topic.Subscribe(0_m);
ASSERT_EQ(sub.Get(), 0_m);
ASSERT_EQ(sub.Get(3_m), 3_m);
pub.Set(2_m);
ASSERT_EQ(sub.Get(), 2_m);
}