test_GSupport.cpp
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/***************************************************************************
* test_GSupport.cpp - test support module *
* ----------------------------------------------------------------------- *
* copyright (C) 2010-2012 by Juergen Knoedlseder *
* ----------------------------------------------------------------------- *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
***************************************************************************/
/**
* @file test_GSupport.cpp
* @brief Testing of support module
* @author Juergen Knoedlseder
*/
/* __ Includes ___________________________________________________________ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <cstdlib> // getenv
#include <vector>
#include "GTools.hpp"
#include "test_GSupport.hpp"
/* __ Namespaces _________________________________________________________ */
/* __ Globals ____________________________________________________________ */
/* __ Debug definitions __________________________________________________ */
/***********************************************************************//**
* @brief Set parameters and tests
***************************************************************************/
void TestGSupport::set(void){
// Set test name
name("GSupport");
// Add tests
add_test(static_cast<pfunction>(&TestGSupport::test_expand_env), "Test Environment variable");
add_test(static_cast<pfunction>(&TestGSupport::test_node_array), "Test GNodeArray");
// Return
return;
}
/***********************************************************************//**
* @brief Test expand_env function
*
* Test the environment variable expansion function.
***************************************************************************/
void TestGSupport::test_expand_env(void)
{
// Declare strings that we use during the tests
std::string s_in;
std::string s_ref;
std::string s_out;
// Test 1: no environment variable
s_in = "This string has no environment variable.";
s_ref = s_in;
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"no environment variable","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// Get home environment variable
std::string home(std::getenv("HOME"));
// $ENV{HOME} environment variable within string
s_in = "My $ENV{HOME} is my castle.";
s_ref = "My "+home+" is my castle.";
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"$ENV{HOME} environment variable within string","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// ${HOME} environment variable within string
s_in = "My ${HOME} is my castle.";
s_ref = "My "+home+" is my castle.";
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"${HOME} environment variable within string","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// $HOME/path environment variable within string
s_in = "My $HOME/path is my castle.";
s_ref = "My "+home+"/path is my castle.";
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"$HOME/path environment variable within string","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// $HOME environment variable at end of string
s_in = "My $HOME";
s_ref = "My "+home;
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"$HOME environment variable at end of string","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// Environment variable within single quotes
s_in = "My '$(HOME)' is my castle.";
s_ref = s_in;
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"Environment variable within single quotes","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// Environment variable within double quotes
s_in = "My \"$(HOME)\" is my castle.";
s_ref = "My \""+home+"\" is my castle.";
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"Environment variable within double quotes","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// Non existing environment variable within string
s_in = "My $(HOMEIXYZ) is my castle.";
s_ref = "My is my castle.";
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"Non existing environment variable within string","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// Empty environment variable within string
s_in = "My $() is my castle.";
s_ref = "My is my castle.";
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"Empty environment variable within string","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// Two successive environment variables within string
s_in = "My $(HOME)$ENV{HOME} is my castle.";
s_ref = "My "+home+home+" is my castle.";
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"Two successive environment variables within string","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// $(HOME) at beginning of string
s_in = "$(HOME) is my castle.";
s_ref = home+" is my castle.";
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"$(HOME) at beginning of string","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// $ENV(HOME) at beginning of string
s_in = "$ENV(HOME) is my castle.";
s_ref = home+" is my castle.";
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"$ENV(HOME) at beginning of string","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// $(HOME) at end of string
s_in = "My castle is $(HOME)";
s_ref = "My castle is "+home;
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"$(HOME) at end of string","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// $ENV{HOME}${HOME}$ENV(HOME)$(HOME) only string
s_in = "$ENV{HOME}${HOME}$ENV(HOME)$(HOME)";
s_ref = home+home+home+home;
s_out = expand_env(s_in);
test_assert(s_out == s_ref,"$ENV{HOME}${HOME}$ENV(HOME)$(HOME) only string","Unexpected string '"+s_out+"' (expected '"+s_ref+"')");
// Debugging
//std::cout << std::endl;
//std::cout << s_in << std::endl;
//std::cout << s_ref << std::endl;
//std::cout << s_out << std::endl;
// Exit test
return;
}
/***********************************************************************//**
* @brief Test GNodeArray class
*
* Test the GNodeArray class.
***************************************************************************/
void TestGSupport::test_node_array(void)
{
// Test void constructor
test_try("Void constructor");
try {
GNodeArray array;
test_try_success();
}
catch (std::exception &e) {
test_try_failure(e);
}
// Test copy constructor
test_try("Copy constructor");
try {
GNodeArray array;
GNodeArray array2(array);
test_try_success();
}
catch (std::exception &e) {
test_try_failure(e);
}
// Test array constructor
test_try("Array constructor");
try {
double array[] = {0.0, 1.0, 2.0, 3.0, 5.0};
GNodeArray array2(5, array);
test_try_success();
for (int i = 0; i < 5; ++i) {
test_value(array2[i], array[i]);
}
}
catch (std::exception &e) {
test_try_failure(e);
}
// Test GVector constructor
test_try("GVector constructor");
try {
double array[] = {0.0, 1.0, 2.0, 3.0, 5.0};
GVector vector(5);
for (int i = 0; i < 5; ++i) {
vector[i] = array[i];
}
GNodeArray array2(vector);
test_try_success();
for (int i = 0; i < 5; ++i) {
test_value(array2[i], vector[i]);
}
}
catch (std::exception &e) {
test_try_failure(e);
}
// Test std::vector constructor
test_try("std::vector constructor");
try {
double array[] = {0.0, 1.0, 2.0, 3.0, 5.0};
std::vector<double> vector;
for (int i = 0; i < 5; ++i) {
vector.push_back(array[i]);
}
GNodeArray array2(vector);
test_try_success();
for (int i = 0; i < 5; ++i) {
test_value(array2[i], vector[i]);
}
}
catch (std::exception &e) {
test_try_failure(e);
}
// Test linear interpolation
double array_lin[] = {-1.0, 0.0, 1.0};
test_node_array_interpolation(3, array_lin);
// Test non-linear interpolation
double array_nonlin[] = {-1.3, 0.0, 1.7};
test_node_array_interpolation(3, array_nonlin);
// Return
return;
}
/***********************************************************************//**
* @brief Test GNodeArray class interpolation
*
* @param[in] num Number of nodes.
* @param[in] nodes Nodes.
*
* Test the GNodeArray class interpolation method by comparing the
* interpolation results for a linear function to the expected result.
***************************************************************************/
void TestGSupport::test_node_array_interpolation(const int& num,
const double* nodes)
{
// Setup function parameters
const double slope = 3.1;
const double offset = 7.9;
// Initialise node array
GNodeArray array(num, nodes);
// Setup node values
std::vector<double> values;
for (int i = 0; i < 3; ++i) {
values.push_back(nodes[i] * slope + offset);
}
// Test values
for (double value = -2.0; value <= +2.0; value += 0.2) {
double expected = value * slope + offset;
double result = array.interpolate(value, values);
test_value(result, expected);
}
// Return
return;
}
/***********************************************************************//**
* @brief Main test entry point
***************************************************************************/
int main(void)
{
// Allocate test suite container
GTestSuites testsuites("Support module");
// Initially assume that we pass all tests
bool success = true;
// Create and append test suite
TestGSupport test;
testsuites.append(test);
// Run the testsuites
success = testsuites.run();
// Save test report
testsuites.save("reports/GSupport.xml");
// Return success status
return (success ? 0 : 1);
}