Github user cestella commented on a diff in the pull request:
https://github.com/apache/incubator-metron/pull/390#discussion_r91386719
--- Diff:
metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarTest.java
---
@@ -56,6 +56,37 @@
public class StellarTest {
@Test
+ public void addingLongsShouldYieldLong() throws Exception {
+ final long timestamp = 1452013350000L;
+ String query = "TO_EPOCH_TIMESTAMP('2016-01-05 17:02:30', 'yyyy-MM-dd
HH:mm:ss', 'UTC') + 2";
+ Assert.assertEquals(timestamp + 2, run(query, new HashMap<>()));
+ }
+
+ @Test
+ public void addingIntegersShouldYieldAnInteger() throws Exception {
+ String query = "1 + 2";
+ Assert.assertEquals(3, run(query, new HashMap<>()));
+ }
+
+ @Test
+ public void addingDoublesShouldYieldADouble() throws Exception {
+ String query = "1.0 + 2.0";
+ Assert.assertEquals(3.0, run(query, new HashMap<>()));
+ }
+
+ @Test
+ public void
addingDoubleAndIntegerWhereSubjectIsDoubleShouldYieldADouble() throws Exception
{
+ String query = "2.1 + 1";
+ Assert.assertEquals(3.1, run(query, new HashMap<>()));
+ }
+
+ @Test
+ public void
addingDoubleAndIntegerWhereSubjectIsIntegerShouldYieldADouble() throws
Exception {
+ String query = "1 + 2.1";
+ Assert.assertEquals(3.1, run(query, new HashMap<>()));
+ }
--- End diff --
Obviously, the same set for multiplication and division. I'd parameterize
that case ;)
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