wjones127 commented on code in PR #34761:
URL: https://github.com/apache/arrow/pull/34761#discussion_r1154821228


##########
cpp/src/arrow/compute/kernels/vector_run_end_encode_test.cc:
##########
@@ -317,7 +320,52 @@ INSTANTIATE_TEST_SUITE_P(
             REETestData::TypeMinMaxNull<Int64Type>(),
             REETestData::TypeMinMaxNull<UInt64Type>(),
             REETestData::TypeMinMaxNull<FloatType>(),
-            REETestData::TypeMinMaxNull<DoubleType>()),
+            REETestData::TypeMinMaxNull<DoubleType>(),
+            // A few temporal types
+            REETestData::JSON(
+                date32(), "[86400, 86400, 0, 432000, 432000, 432000, 22075200, 
22075200]",
+                "[86400, 0, 432000, 22075200]", "[2, 3, 6, 8]"),
+            REETestData::JSON(date64(),
+                              "[86400000, 86400000, 0, 432000000, 432000000, 
432000000, "
+                              "22032000000, 22032000000]",
+                              "[86400000, 0, 432000000, 22032000000]", "[2, 3, 
6, 8]"),
+            REETestData::JSON(time32(TimeUnit::SECOND), "[1, 1, 0, 5, 5, 5, 
255, 255]",
+                              "[1, 0, 5, 255]", "[2, 3, 6, 8]"),
+            REETestData::JSON(time64(TimeUnit::MICRO), "[1, 1, 0, 5, 5, 5, 
255, 255]",
+                              "[1, 0, 5, 255]", "[2, 3, 6, 8]"),
+            // Decimal and fixed size binary types
+            REETestData::JSON(
+                decimal128(4, 1),
+                R"(["1.0", "1.0", "0.0", "5.2", "5.2", "5.2", "255.0", 
"255.0"])",
+                R"(["1.0", "0.0", "5.2", "255.0"])", "[2, 3, 6, 8]"),
+            REETestData::JSON(
+                decimal256(4, 1),
+                R"(["1.0", "1.0", "0.0", "5.2", "5.2", "5.2", "255.0", 
"255.0"])",
+                R"(["1.0", "0.0", "5.2", "255.0"])", "[2, 3, 6, 8]"),
+            REETestData::JSON(
+                fixed_size_binary(3),
+                R"(["abc", "abc", "abc", "def", "def", "def", "ghi", "ghi"])",
+                R"(["abc", "def", "ghi"])", "[3, 6, 8]"),
+            REETestData::JSON(
+                fixed_size_binary(3),
+                R"([null, "abc", "abc", "abc", "def", "def", "def", "ghi", 
"ghi", null, null])",
+                R"([null, "abc", "def", "ghi", null])", "[1, 4, 7, 9, 11]"),
+            // String and binary types
+            REETestData::JSON(
+                utf8(), R"(["abc", "abc", "", "", "de", "de", "de", "ghijkl", 
"ghijkl"])",
+                R"(["abc", "", "de", "ghijkl"])", "[2, 4, 7, 9]"),

Review Comment:
   Or put another way: I was just speaking of the string / binary cases here.



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