From 518b1be6b3609357a49f29fe3f74c2f4300b6636 Mon Sep 17 00:00:00 2001
From: rui-mo <rui.mo@intel.com>
Date: Thu, 4 Apr 2024 10:56:47 +0800
Subject: [PATCH] Add test

---
 velox/functions/prestosql/tests/DecimalArithmeticTest.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/velox/functions/prestosql/tests/DecimalArithmeticTest.cpp b/velox/functions/prestosql/tests/DecimalArithmeticTest.cpp
index 2563860ae8719..9c0d93b949c0f 100644
--- a/velox/functions/prestosql/tests/DecimalArithmeticTest.cpp
+++ b/velox/functions/prestosql/tests/DecimalArithmeticTest.cpp
@@ -291,6 +291,14 @@ TEST_F(DecimalArithmeticTest, multiply) {
                   HugeInt::build(0x08FFFFFFFFFFFFFF, 0xFFFFFFFFFFFFFFFF)},
               DECIMAL(38, 0))}),
       "Decimal overflow. Value '119630519620642428561342635425231011830' is not in the range of Decimal Type");
+
+  // The sum of input scales exceeds result precision.
+  VELOX_ASSERT_THROW(
+      evaluate(
+          "c0 * c0",
+          makeRowVector(
+              {makeFlatVector<int128_t>({1000, 2000}, DECIMAL(38, 30))})),
+      "DECIMAL scale must be in range [0, 38].");
 }
 
 TEST_F(DecimalArithmeticTest, decimalDivTest) {