[sis] 01/02: Add a test for an issue reported when running units of measurement TCK.

[desruisseaux]

This is an automated email from the ASF dual-hosted git repository.

desruisseaux pushed a commit to branch geoapi-4.0
in repository https://gitbox.apache.org/repos/asf/sis.git

commit ec4f7b66a649539e90d08388ac2cc681070e86e6
Author: Martin Desruisseaux <martin.desruisse...@geomatys.com>
AuthorDate: Wed Sep 18 14:44:18 2019 +0200

    Add a test for an issue reported when running units of measurement TCK.
---
 .../java/org/apache/sis/measure/QuantitiesTest.java     | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git 
a/core/sis-utility/src/test/java/org/apache/sis/measure/QuantitiesTest.java 
b/core/sis-utility/src/test/java/org/apache/sis/measure/QuantitiesTest.java
index 5d726d2..bfab6bf 100644
--- a/core/sis-utility/src/test/java/org/apache/sis/measure/QuantitiesTest.java
+++ b/core/sis-utility/src/test/java/org/apache/sis/measure/QuantitiesTest.java
@@ -110,4 +110,21 @@ public final strictfp class QuantitiesTest extends 
TestCase {
         r = q1.multiply(1);
         assertSame(q1, r);
     }
+
+    /**
+     * Tests {@link Scalar#equals(Object)} and {@link Scalar#hashCode()}.
+     * This test uses a unit without specific {@link Scalar} subclass, in 
order to
+     * verify that tested methods work even though the {@link ScalarFallback} 
proxy.
+     */
+    @Test
+    public void testEqualsAndHashcode() {
+        Quantity<?> q1 = Quantities.create(2, Units.VOLT);
+        Quantity<?> q2 = Quantities.create(2, Units.VOLT);
+        Quantity<?> q3 = Quantities.create(3, Units.VOLT);
+        assertTrue (q1.hashCode() == q2.hashCode());
+        assertFalse(q1.hashCode() == q3.hashCode());
+        assertTrue (q1.hashCode() != 0);
+        assertTrue (q1.equals(q2));
+        assertFalse(q1.equals(q3));
+    }
 }