Squashed 'third_party/allwpilib_2019/' content from commit bd05dfa1c
Change-Id: I2b1c2250cdb9b055133780c33593292098c375b7
git-subtree-dir: third_party/allwpilib_2019
git-subtree-split: bd05dfa1c7cca74c4fac451e7b9d6a37e7b53447
diff --git a/wpilibcIntegrationTests/src/main/native/cpp/PreferencesTest.cpp b/wpilibcIntegrationTests/src/main/native/cpp/PreferencesTest.cpp
new file mode 100644
index 0000000..ffb4d9f
--- /dev/null
+++ b/wpilibcIntegrationTests/src/main/native/cpp/PreferencesTest.cpp
@@ -0,0 +1,107 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2014-2018 FIRST. All Rights Reserved. */
+/* Open Source Software - may be modified and shared by FRC teams. The code */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project. */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/Preferences.h" // NOLINT(build/include_order)
+
+#include <cstdio>
+#include <fstream>
+
+#include <networktables/NetworkTableInstance.h>
+#include <ntcore.h>
+
+#include "frc/Timer.h"
+#include "gtest/gtest.h"
+
+using namespace frc;
+
+static const char* kFileName = "networktables.ini";
+static const double kSaveTime = 1.2;
+
+/**
+ * If we write a new networktables.ini with some sample values, test that
+ * we get those same values back using the Preference class.
+ */
+TEST(PreferencesTest, ReadPreferencesFromFile) {
+ auto inst = nt::NetworkTableInstance::GetDefault();
+ inst.StopServer();
+ std::remove(kFileName);
+ std::ofstream preferencesFile(kFileName);
+ preferencesFile << "[NetworkTables Storage 3.0]" << std::endl;
+ preferencesFile
+ << "string \"/Preferences/testFileGetString\"=\"Hello, preferences file\""
+ << std::endl;
+ preferencesFile << "double \"/Preferences/testFileGetInt\"=1" << std::endl;
+ preferencesFile << "double \"/Preferences/testFileGetDouble\"=0.5"
+ << std::endl;
+ preferencesFile << "double \"/Preferences/testFileGetFloat\"=0.25"
+ << std::endl;
+ preferencesFile << "boolean \"/Preferences/testFileGetBoolean\"=true"
+ << std::endl;
+ preferencesFile
+ << "double \"/Preferences/testFileGetLong\"=1000000000000000000"
+ << std::endl;
+ preferencesFile.close();
+ inst.StartServer();
+
+ Preferences* preferences = Preferences::GetInstance();
+ EXPECT_EQ("Hello, preferences file",
+ preferences->GetString("testFileGetString"));
+ EXPECT_EQ(1, preferences->GetInt("testFileGetInt"));
+ EXPECT_FLOAT_EQ(0.5, preferences->GetDouble("testFileGetDouble"));
+ EXPECT_FLOAT_EQ(0.25f, preferences->GetFloat("testFileGetFloat"));
+ EXPECT_TRUE(preferences->GetBoolean("testFileGetBoolean"));
+ EXPECT_EQ(1000000000000000000ll, preferences->GetLong("testFileGetLong"));
+}
+
+/**
+ * If we set some values using the Preferences class, test that they show up
+ * in networktables.ini
+ */
+TEST(PreferencesTest, WritePreferencesToFile) {
+ auto inst = nt::NetworkTableInstance::GetDefault();
+ inst.StartServer();
+ Preferences* preferences = Preferences::GetInstance();
+ preferences->Remove("testFileGetString");
+ preferences->Remove("testFileGetInt");
+ preferences->Remove("testFileGetDouble");
+ preferences->Remove("testFileGetFloat");
+ preferences->Remove("testFileGetBoolean");
+ preferences->Remove("testFileGetLong");
+
+ Wait(kSaveTime);
+
+ preferences->PutString("testFilePutString", "Hello, preferences file");
+ preferences->PutInt("testFilePutInt", 1);
+ preferences->PutDouble("testFilePutDouble", 0.5);
+ preferences->PutFloat("testFilePutFloat", 0.25f);
+ preferences->PutBoolean("testFilePutBoolean", true);
+ preferences->PutLong("testFilePutLong", 1000000000000000000ll);
+
+ Wait(kSaveTime);
+
+ static char const* kExpectedFileContents[] = {
+ "[NetworkTables Storage 3.0]",
+ "string \"/Preferences/.type\"=\"RobotPreferences\"",
+ "boolean \"/Preferences/testFilePutBoolean\"=true",
+ "double \"/Preferences/testFilePutDouble\"=0.5",
+ "double \"/Preferences/testFilePutFloat\"=0.25",
+ "double \"/Preferences/testFilePutInt\"=1",
+ "double \"/Preferences/testFilePutLong\"=1e+18",
+ "string \"/Preferences/testFilePutString\"=\"Hello, preferences file\""};
+
+ std::ifstream preferencesFile(kFileName);
+ for (auto& kExpectedFileContent : kExpectedFileContents) {
+ ASSERT_FALSE(preferencesFile.eof())
+ << "Preferences file prematurely reached EOF";
+
+ std::string line;
+ std::getline(preferencesFile, line);
+
+ ASSERT_EQ(kExpectedFileContent, line)
+ << "A line in networktables.ini was not correct";
+ }
+}