1 files changed, 127 insertions, 0 deletions

diff --git a/subprojects/logic/src/test/java/tools/refinery/logic/term/cardinalityinterval/CardinalityIntervalTest.java b/subprojects/logic/src/test/java/tools/refinery/logic/term/cardinalityinterval/CardinalityIntervalTest.java
new file mode 100644
index 00000000..ee2dd61c
--- /dev/null
+++ b/subprojects/logic/src/test/java/tools/refinery/logic/term/cardinalityinterval/CardinalityIntervalTest.java
@@ -0,0 +1,127 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package tools.refinery.logic.term.cardinalityinterval;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.util.stream.Stream;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+import static tools.refinery.logic.term.cardinalityinterval.CardinalityIntervals.*;
+
+class CardinalityIntervalTest {
+        @ParameterizedTest(name = "min({0}, {1}) == {2}")
+        @MethodSource
+        void minTest(CardinalityInterval a, CardinalityInterval b, CardinalityInterval expected) {
+                assertThat(a.min(b), equalTo(expected));
+        }
+
+        static Stream<Arguments> minTest() {
+                return Stream.of(
+                                Arguments.of(atMost(1), atMost(1), atMost(1)),
+                                Arguments.of(atMost(1), between(2, 3), atMost(1)),
+                                Arguments.of(atMost(1), atLeast(2), atMost(1)),
+                                Arguments.of(atMost(1), ERROR, ERROR),
+                                Arguments.of(atLeast(1), atLeast(2), atLeast(1)),
+                                Arguments.of(atLeast(1), ERROR, ERROR),
+                                Arguments.of(ERROR, atLeast(2), ERROR),
+                                Arguments.of(ERROR, ERROR, ERROR)
+                );
+        }
+
+        @ParameterizedTest(name = "max({0}, {1}) == {2}")
+        @MethodSource
+        void maxTest(CardinalityInterval a, CardinalityInterval b, CardinalityInterval expected) {
+                assertThat(a.max(b), equalTo(expected));
+        }
+
+        static Stream<Arguments> maxTest() {
+                return Stream.of(
+                                Arguments.of(atMost(1), atMost(1), atMost(1)),
+                                Arguments.of(atMost(1), between(2, 3), between(2, 3)),
+                                Arguments.of(atMost(1), atLeast(2), atLeast(2)),
+                                Arguments.of(atMost(1), ERROR, ERROR),
+                                Arguments.of(atLeast(1), atLeast(2), atLeast(2)),
+                                Arguments.of(atLeast(1), ERROR, ERROR),
+                                Arguments.of(ERROR, atLeast(2), ERROR),
+                                Arguments.of(ERROR, ERROR, ERROR)
+                );
+        }
+
+        @ParameterizedTest(name = "{0} + {1} == {2}")
+        @MethodSource
+        void addTest(CardinalityInterval a, CardinalityInterval b, CardinalityInterval expected) {
+                assertThat(a.add(b), equalTo(expected));
+        }
+
+        static Stream<Arguments> addTest() {
+                return Stream.of(
+                                Arguments.of(atMost(1), atMost(1), atMost(2)),
+                                Arguments.of(atMost(1), between(2, 3), between(2, 4)),
+                                Arguments.of(atMost(1), atLeast(2), atLeast(2)),
+                                Arguments.of(atMost(1), ERROR, ERROR),
+                                Arguments.of(atLeast(1), atLeast(2), atLeast(3)),
+                                Arguments.of(atLeast(1), ERROR, ERROR),
+                                Arguments.of(ERROR, atLeast(2), ERROR),
+                                Arguments.of(ERROR, ERROR, ERROR)
+                );
+        }
+
+        @ParameterizedTest(name = "{0} * {1} == {2}")
+        @MethodSource
+        void multiplyTest(CardinalityInterval a, CardinalityInterval b, CardinalityInterval expected) {
+                assertThat(a.multiply(b), equalTo(expected));
+        }
+
+        static Stream<Arguments> multiplyTest() {
+                return Stream.of(
+                                Arguments.of(between(2, 3), between(4, 5), between(8, 15)),
+                                Arguments.of(atLeast(2), between(4, 5), atLeast(8)),
+                                Arguments.of(between(2, 3), atLeast(4), atLeast(8)),
+                                Arguments.of(between(2, 3), ERROR, ERROR),
+                                Arguments.of(ERROR, between(4, 5), ERROR),
+                                Arguments.of(ERROR, ERROR, ERROR)
+                );
+        }
+
+        @ParameterizedTest(name = "{0} /\\ {1} == {2}")
+        @MethodSource
+        void meetTest(CardinalityInterval a, CardinalityInterval b, CardinalityInterval expected) {
+                assertThat(a.meet(b), equalTo(expected));
+        }
+
+        static Stream<Arguments> meetTest() {
+                return Stream.of(
+                                Arguments.of(atMost(1), atMost(2), atMost(1)),
+                                Arguments.of(atMost(2), between(1, 3), between(1, 2)),
+                                Arguments.of(atMost(1), between(1, 3), exactly(1)),
+                                Arguments.of(atMost(1), between(2, 3), ERROR),
+                                Arguments.of(atMost(1), ERROR, ERROR),
+                                Arguments.of(ERROR, atMost(1), ERROR),
+                                Arguments.of(ERROR, ERROR, ERROR)
+                );
+        }
+
+        @ParameterizedTest(name = "{0} \\/ {1} == {2}")
+        @MethodSource
+        void joinTest(CardinalityInterval a, CardinalityInterval b, CardinalityInterval expected) {
+                assertThat(a.join(b), equalTo(expected));
+        }
+
+        static Stream<Arguments> joinTest() {
+                return Stream.of(
+                                Arguments.of(atMost(1), atMost(2), atMost(2)),
+                                Arguments.of(atMost(2), between(1, 3), atMost(3)),
+                                Arguments.of(atMost(1), between(2, 3), atMost(3)),
+                                Arguments.of(atMost(1), ERROR, atMost(1)),
+                                Arguments.of(ERROR, atMost(1), atMost(1)),
+                                Arguments.of(ERROR, ERROR, ERROR)
+                );
+        }
+}