SparseStateRewardParserTest.cpp

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/*
 * SparseStateRewardParserTest.cpp
 *
 *  Created on: 26.02.2014
 *      Author: Manuel Sascha Weiand
 */
 
#include "storm-config.h"
#include "test/storm_gtest.h"
 
#include <cmath>
 
#include "storm-parsers/parser/SparseStateRewardParser.h"
#include "storm/exceptions/FileIoException.h"
#include "storm/exceptions/OutOfRangeException.h"
#include "storm/exceptions/WrongFormatException.h"
 
TEST(SparseStateRewardParserTest, NonExistingFile) {
    // No matter what happens, please do NOT create a file with the name "nonExistingFile.not"!
    STORM_SILENT_ASSERT_THROW(storm::parser::SparseStateRewardParser<>::parseSparseStateReward(42, STORM_TEST_RESOURCES_DIR "/nonExistingFile.not"),
                              storm::exceptions::FileIoException);
}
 
double round(double val, int precision) {
    std::stringstream s;
    s << std::setprecision(precision) << std::setiosflags(std::ios_base::fixed) << val;
    s >> val;
    return val;
}
 
TEST(SparseStateRewardParserTest, BasicParsing) {
    // Get the parsing result.
    std::vector<double> result =
        storm::parser::SparseStateRewardParser<>::parseSparseStateReward(100, STORM_TEST_RESOURCES_DIR "/rew/state_reward_parser_basic.state.rew");
 
    // Now test if the correct value were parsed.
    for (int i = 0; i < 100; i++) {
        ASSERT_EQ(std::round(2 * i + 15 / 13 * i * i - 1.5 / (i + 0.1) + 15.7), std::round(result[i]));
    }
}
 
TEST(SparseStateRewardParserTest, Whitespaces) {
    // Get the parsing result.
    std::vector<double> result =
        storm::parser::SparseStateRewardParser<>::parseSparseStateReward(100, STORM_TEST_RESOURCES_DIR "/rew/state_reward_parser_whitespaces.state.rew");
 
    // Now test if the correct value were parsed.
    for (int i = 0; i < 100; i++) {
        ASSERT_EQ(std::round(2 * i + 15 / 13 * i * i - 1.5 / (i + 0.1) + 15.7), std::round(result[i]));
    }
}
 
TEST(SparseStateRewardParserTest, DoubledLines) {
    // There are multiple lines attributing a reward to the same state.
    STORM_SILENT_ASSERT_THROW(
        storm::parser::SparseStateRewardParser<>::parseSparseStateReward(11, STORM_TEST_RESOURCES_DIR "/rew/state_reward_parser_doubledLines.state.rew"),
        storm::exceptions::WrongFormatException);
 
    // There is a line for a state that has been skipped.
    STORM_SILENT_ASSERT_THROW(
        storm::parser::SparseStateRewardParser<>::parseSparseStateReward(11, STORM_TEST_RESOURCES_DIR "/rew/state_reward_parser_doubledLinesSkipped.state.rew"),
        storm::exceptions::WrongFormatException);
}
 
TEST(SparseStateRewardParserTest, RewardForNonExistentState) {
    // The index of one of the state that are to be given rewards is higher than the number of states in the model.
    STORM_SILENT_ASSERT_THROW(
        storm::parser::SparseStateRewardParser<>::parseSparseStateReward(99, STORM_TEST_RESOURCES_DIR "/rew/state_reward_parser_basic.state.rew"),
        storm::exceptions::OutOfRangeException);
}