test: 完善 Numbers#sum(BigInteger...) 的单元测试

2025-08-20 17:02:04 +08:00
parent f3218420ed
commit 825a99dab6
1 changed files with 8 additions and 1 deletions
--- a/plusone-commons/src/test/java/xyz/zhouxy/plusone/commons/util/NumbersTests.java
+++ b/plusone-commons/src/test/java/xyz/zhouxy/plusone/commons/util/NumbersTests.java
@@ -69,9 +69,16 @@ class NumbersTests {

    @Test
    public void sum_BigIntegerArray_ReturnsCorrectSum() {
-        BigInteger[] numbers = {new BigInteger("1"), new BigInteger("2"), new BigInteger("3")};
+        BigInteger[] numbers = {
+            new BigInteger("1"),
+            new BigInteger("2"),
+            null,
+            new BigInteger("3")
+        };
        BigInteger result = Numbers.sum(numbers);
        assertEquals(new BigInteger("6"), result);
+
+        assertEquals(BigInteger.ZERO, Numbers.sum(new BigInteger[0]));
    }

    @Test