Add basic testing of TensorAddress

1 files changed, 44 insertions, 0 deletions

diff --git a/vespajlib/src/test/java/com/yahoo/tensor/TensorAddressTestCase.java b/vespajlib/src/test/java/com/yahoo/tensor/TensorAddressTestCase.java
new file mode 100644
index 00000000000..79202e3f07e
--- /dev/null
+++ b/vespajlib/src/test/java/com/yahoo/tensor/TensorAddressTestCase.java
@@ -0,0 +1,44 @@
+// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.tensor;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
+
+/**
+ * Test for tensor address.
+ *
+ * @author baldersheim
+ */
+public class TensorAddressTestCase {
+    private void equal(Object a, Object b) {
+        assertEquals(a.hashCode(), b.hashCode());
+        assertEquals(a, b);
+    }
+    private void notEqual(Object a, Object b) {
+        assertNotEquals(a.hashCode(), b.hashCode()); // This might not hold, but is bad if not very rare
+        assertNotEquals(a, b);
+    }
+    @Test
+    void testStringVersusNumericAddressEquality() {
+        equal(TensorAddress.ofLabels("1"), TensorAddress.of(1));
+    }
+    @Test
+    void testInEquality() {
+        notEqual(TensorAddress.ofLabels("1"), TensorAddress.ofLabels("2"));
+        notEqual(TensorAddress.of(1), TensorAddress.of(2));
+    }
+    @Test
+    void testDimensionsEffectsEqualityAndHash() {
+        notEqual(TensorAddress.ofLabels("1"), TensorAddress.ofLabels("1", "1"));
+        notEqual(TensorAddress.of(1), TensorAddress.of(1, 1));
+    }
+    @Test
+    void testAllowNullDimension() {
+        TensorAddress s1 = TensorAddress.ofLabels("1", null, "2");
+        TensorAddress s2 = TensorAddress.ofLabels("1", "2");
+        assertNotEquals(s1, s2);
+        assertEquals(s1.hashCode(), s2.hashCode());
+    }
+}