1 files changed, 108 insertions, 0 deletions
diff --git a/src/test/java/sevenUnits/utils/NameSymbolTest.java b/src/test/java/sevenUnits/utils/NameSymbolTest.java
new file mode 100644
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+++ b/src/test/java/sevenUnits/utils/NameSymbolTest.java
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+/**
+ * Copyright (C) 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 sevenUnits.utils;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.HashSet;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Stream;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+/**
+ * Tests for the {@link NameSymbol} class.
+ *
+ * @since v1.0.0
+ */
+class NameSymbolTest {
+	private static Stream<Arguments> testEqualsHashCode() {
+		return Stream.of(
+				Arguments.of(NameSymbol.ofName("test"), NameSymbol.ofName("test"),
+						true),
+				Arguments.of(NameSymbol.ofName("a"), NameSymbol.ofName("b"), false),
+				Arguments.of(NameSymbol.ofSymbol("test"),
+						NameSymbol.ofSymbol("test"), true),
+				Arguments.of(NameSymbol.ofSymbol("a"), NameSymbol.ofSymbol("b"),
+						false),
+				Arguments.of(NameSymbol.ofName("test"), NameSymbol.ofSymbol("test"),
+						false),
+				Arguments.of(NameSymbol.of("main", "s"), NameSymbol.of("main", "s"),
+						true),
+				Arguments.of(NameSymbol.of("main", "s"),
+						NameSymbol.of("main", "s", "m"), false),
+				Arguments.of(new NameSymbol(null, null, new HashSet<>()),
+						new NameSymbol(null, null, new HashSet<>()), true),
+				Arguments.of(
+						new NameSymbol(Optional.of("main"), Optional.of("s"),
+								new HashSet<>()),
+						new NameSymbol(null, null, new HashSet<>()), false),
+				Arguments.of(new NameSymbol(null, null, new HashSet<>()),
+						new NameSymbol(Optional.of("main"), Optional.of("s"),
+								new HashSet<>()),
+						false),
+				Arguments.of(
+						new NameSymbol(Optional.of("main"), null, new HashSet<>()),
+						new NameSymbol(Optional.of("main"), Optional.of("s"),
+								new HashSet<>()),
+						false));
+	}
+
+	@Test
+	public void testCreate() {
+		final Set<String> names = Set.of("a", "b", "c");
+		final var ns = NameSymbol.ofNullable(null, null, names);
+		assertTrue(ns.getPrimaryName().isPresent(),
+				"NameSymbol created without primary name.");
+		assertTrue(names.contains(ns.getPrimaryName().orElseThrow()),
+				String.format("Primary name (%s) was not obtained from names set.",
+						ns.getPrimaryName()));
+		assertFalse(
+				ns.getOtherNames().contains(ns.getPrimaryName().orElseThrow()),
+				String.format("Primary name (%s) was included in other names set.",
+						ns.getPrimaryName()));
+		assertEquals(Set.of("a", "b", "c"), names,
+				"names input was changed by ofNullable()");
+	}
+
+	/**
+	 * Tests that two NameSymbols are or are not equal. If they are equal, also
+	 * ensures they have the same hash code.
+	 *
+	 * @param a     first NameSymbol to test
+	 * @param b     second NameSymbol to test
+	 * @param equal true iff a should be equal to be, otherwise false
+	 */
+	@ParameterizedTest
+	@MethodSource
+	public void testEqualsHashCode(NameSymbol a, NameSymbol b, boolean equal) {
+		if (equal) {
+			assertTrue(Objects.equals(a, b));
+			assertEquals(a.hashCode(), b.hashCode(),
+					"Equal NameSymbol instances have different hash codes.");
+		} else {
+			assertFalse(Objects.equals(a, b));
+		}
+	}
+}