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Added a C++ Preferences test

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Change-Id: I6c210535dcfad7c75ff4c04ee6446147efb2fc57
This commit is contained in:
Thomas Clark
2014-07-30 17:32:14 -04:00
parent 7f6ca6824e
commit d8da3e5f1f
1 changed files with 78 additions and 0 deletions
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78
wpilibc/wpilibC++IntegrationTests/src/PreferencesTest.cpp Normal file
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/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2014. 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 "WPILib.h"
#include "gtest/gtest.h"
#include <cstdio>
#include <fstream>
static const char *kFileName = "wpilib-preferences.ini";
static const double kSaveTime = 0.2;
/**
* If we write a new wpilib-preference.ini with some sample values, test that
* we get those same values back using the Preference class.
*/
TEST(PreferencesTest, ReadPreferencesFromFile) {
std::remove(kFileName);
std::ofstream preferencesFile(kFileName);
preferencesFile << "[Preferences]" << std::endl;
preferencesFile << "testFileGetString=\"Hello, preferences file\"" << std::endl;
preferencesFile << "testFileGetInt=\"1\"" << std::endl;
preferencesFile << "testFileGetDouble=\"0.5\"" << std::endl;
preferencesFile << "testFileGetFloat=\"0.25\"" << std::endl;
preferencesFile << "testFileGetBoolean=\"true\"" << std::endl;
preferencesFile << "testFileGetLong=\"1000000000000000000\"" << std::endl;
preferencesFile.close();
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 wpilib-preferences.ini
*/
TEST(PreferencesTest, WritePreferencesToFile) {
Preferences *preferences = Preferences::GetInstance();
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);
preferences->Save();
Wait(kSaveTime);
static char const *kExpectedFileContents[] = {
"[Preferences]",
"testFileGetString=\"Hello, preferences file\"",
"testFileGetInt=\"1\"",
"testFileGetDouble=\"0.5\"",
"testFileGetFloat=\"0.25\"",
"testFileGetBoolean=\"true\"",
"testFileGetLong=\"1000000000000000000\""
};
std::ifstream preferencesFile(kFileName);
for(int i = 0; i < 7; i++) {
ASSERT_FALSE(preferencesFile.eof())
<< "Preferences file prematurely reached EOF";
std::string line;
std::getline(preferencesFile, line);
ASSERT_EQ(kExpectedFileContents[i], line)
<< "A line in wpilib-preferences.ini was not correct";
}
}