From 58d588dffbab636072c5327e118718a8147f0af4 Mon Sep 17 00:00:00 2001
From: Licht-T <licht-t@outlook.jp>
Date: Tue, 28 Nov 2017 08:37:19 +0900
Subject: [PATCH] TST: Add test sliced Array cast

---
 cpp/src/arrow/compute/compute-test.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cpp/src/arrow/compute/compute-test.cc b/cpp/src/arrow/compute/compute-test.cc
index 61d53c4d50b..7949bb99cba 100644
--- a/cpp/src/arrow/compute/compute-test.cc
+++ b/cpp/src/arrow/compute/compute-test.cc
@@ -69,6 +69,11 @@ class TestCast : public ComputeFixture, public TestBase {
     std::shared_ptr<Array> result;
     ASSERT_OK(Cast(&ctx_, input, out_type, options, &result));
     ASSERT_ARRAYS_EQUAL(expected, *result);
+
+    std::shared_ptr<Array> result_sliced;
+    int64_t offset = input.length()/2;
+    ASSERT_OK(Cast(&ctx_, *input.Slice(offset), out_type, options, &result_sliced));
+    ASSERT_ARRAYS_EQUAL(*expected.Slice(offset), *result_sliced);
   }
 
   template <typename InType, typename I_TYPE>