KT-33761 Add reduceOrNull

2019-12-11 08:31:18 +01:00
parent 39e1b24c2c
commit f5d696d3c4
10 changed files with 345 additions and 0 deletions
@@ -379,6 +379,10 @@ public class SequenceTest {
        assertEquals(expected_, b.toList())
    }

+    @Test fun reduceOrNullOnEmpty() {
+        expect(null, { sequenceOf<Int>().reduceOrNull { acc, i -> acc + i } })
+    }
+
    @Test fun minusElement() = testMinus(expected = listOf("foo", "bar")) { it - "bar" - "zoo" }
    @Test fun minusCollection() = testMinus { it - listOf("bar", "zoo") }
    @Test fun minusArray() = testMinus { it - arrayOf("bar", "zoo") }