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/**
* Copyright (C) 2022, 2024, 2025 Adrien Hopkins
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package sevenUnitsGUI;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static sevenUnitsGUI.DefaultPrefixRepetitionRule.COMPLEX_REPETITION;
import static sevenUnitsGUI.DefaultPrefixRepetitionRule.NO_REPETITION;
import static sevenUnitsGUI.DefaultPrefixRepetitionRule.NO_RESTRICTION;
import java.util.List;
import org.junit.jupiter.api.Test;
import sevenUnits.unit.Metric;
/**
* Tests for the default prefix repetition rules.
*
* @since 2022-07-17
* @since v0.4.0
*/
class PrefixRepetitionTest {
/**
* Ensures that the complex repetition rule disallows invalid prefix lists.
*
* @since 2022-07-17
* @since v0.4.0
*/
@Test
void testInvalidComplexRepetition() {
assertFalse(COMPLEX_REPETITION.test(List.of(Metric.KILO, Metric.YOTTA)),
"Complex repetition does not factor order of prefixes");
assertFalse(COMPLEX_REPETITION.test(List.of(Metric.MEGA, Metric.KILO)),
"\"kilomega\" allowed (should use \"giga\")");
assertFalse(
COMPLEX_REPETITION
.test(List.of(Metric.YOTTA, Metric.MEGA, Metric.KILO)),
"\"kilomega\" allowed after yotta (should use \"giga\")");
assertFalse(COMPLEX_REPETITION.test(List.of(Metric.YOTTA, Metric.MILLI)),
"Complex repetition does not factor direction of prefixes");
}
/**
* Tests the {@code NO_REPETITION} rule.
*
* @since 2022-07-17
* @since v0.4.0
*/
@Test
void testNoRepetition() {
assertTrue(NO_REPETITION.test(List.of(Metric.KILO)));
assertFalse(NO_REPETITION.test(List.of(Metric.KILO, Metric.YOTTA)));
assertTrue(NO_REPETITION.test(List.of(Metric.MILLI)));
assertTrue(NO_REPETITION.test(List.of()), "Empty list yields false");
}
/**
* Tests the {@code NO_RESTRICTION} rule.
*
* @since 2022-07-17
* @since v0.4.0
*/
@Test
void testNoRestriction() {
assertTrue(NO_RESTRICTION.test(List.of(Metric.KILO)));
assertTrue(NO_RESTRICTION.test(List.of(Metric.KILO, Metric.YOTTA)));
assertTrue(NO_RESTRICTION.test(List.of(Metric.MILLI)));
assertTrue(NO_RESTRICTION.test(List.of()));
}
/**
* Ensures that the complex repetition rule allows valid prefix lists.
*
* @since 2022-07-17
* @since v0.4.0
*/
@Test
void testValidComplexRepetition() {
// simple situations
assertTrue(COMPLEX_REPETITION.test(List.of(Metric.KILO)),
"Single prefix not allowed");
assertTrue(COMPLEX_REPETITION.test(List.of()), "No prefixes not allowed");
// valid complex repetition
assertTrue(COMPLEX_REPETITION.test(List.of(Metric.YOTTA, Metric.KILO)),
"Valid complex repetition (kiloyotta) not allowed");
assertTrue(COMPLEX_REPETITION.test(List.of(Metric.KILO, Metric.DEKA)),
"Valid complex repetition (dekakilo) not allowed");
assertTrue(
COMPLEX_REPETITION
.test(List.of(Metric.YOTTA, Metric.KILO, Metric.DEKA)),
"Valid complex repetition (dekakiloyotta) not allowed");
assertTrue(
COMPLEX_REPETITION.test(List.of(Metric.YOTTA, Metric.YOTTA,
Metric.KILO, Metric.DEKA)),
"Valid complex repetition (dekakiloyottayotta) not allowed");
// valid with negative prefixes
assertTrue(COMPLEX_REPETITION.test(List.of(Metric.YOCTO, Metric.MILLI)),
"Valid complex repetition (milliyocto) not allowed");
assertTrue(COMPLEX_REPETITION.test(List.of(Metric.MILLI, Metric.CENTI)),
"Valid complex repetition (centimilli) not allowed");
assertTrue(
COMPLEX_REPETITION
.test(List.of(Metric.YOCTO, Metric.MILLI, Metric.CENTI)),
"Valid complex repetition (centimilliyocto) not allowed");
}
}
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