Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 145 insertions, 0 deletions

diff --git a/src/arrow/c_glib/test/test-cast.rb b/src/arrow/c_glib/test/test-cast.rb
new file mode 100644
index 000000000..528a0e8c1
--- /dev/null
+++ b/src/arrow/c_glib/test/test-cast.rb
@@ -0,0 +1,145 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestCast < Test::Unit::TestCase
+  include Helper::Buildable
+  include Helper::Omittable
+
+  def test_safe
+    data = [-1, 2, nil]
+    assert_equal(build_int32_array(data),
+                 build_int8_array(data).cast(Arrow::Int32DataType.new))
+  end
+
+  sub_test_case("allow-int-overflow") do
+    def test_default
+      assert_raise(Arrow::Error::Invalid) do
+        build_int32_array([128]).cast(Arrow::Int8DataType.new)
+      end
+    end
+
+    def test_true
+      options = Arrow::CastOptions.new
+      options.allow_int_overflow = true
+      assert_equal(build_int8_array([-128]),
+                   build_int32_array([128]).cast(Arrow::Int8DataType.new,
+                                                 options))
+    end
+  end
+
+  sub_test_case("allow-time-truncate") do
+    def test_default
+      after_epoch_in_milli = 1504953190854 # 2017-09-09T10:33:10.854Z
+      second_timestamp_data_type = Arrow::TimestampDataType.new(:second)
+      milli_array = build_timestamp_array(:milli, [after_epoch_in_milli])
+      assert_raise(Arrow::Error::Invalid) do
+        milli_array.cast(second_timestamp_data_type)
+      end
+    end
+
+    def test_true
+      options = Arrow::CastOptions.new
+      options.allow_time_truncate = true
+      after_epoch_in_milli = 1504953190854 # 2017-09-09T10:33:10.854Z
+      second_array = build_timestamp_array(:second,
+                                           [after_epoch_in_milli / 1000])
+      milli_array  = build_timestamp_array(:milli, [after_epoch_in_milli])
+      second_timestamp_data_type = Arrow::TimestampDataType.new(:second)
+      assert_equal(second_array,
+                   milli_array.cast(second_timestamp_data_type, options))
+    end
+  end
+
+  sub_test_case("allow-time-overflow") do
+    def test_default
+      after_epoch_in_second = 95617584000 # 5000-01-01T00:00:00Z
+      nano_timestamp_data_type = Arrow::TimestampDataType.new(:nano)
+      second_array = build_timestamp_array(:second, [after_epoch_in_second])
+      assert_raise(Arrow::Error::Invalid) do
+        second_array.cast(nano_timestamp_data_type)
+      end
+    end
+
+    def test_true
+      options = Arrow::CastOptions.new
+      options.allow_time_overflow = true
+      after_epoch_in_second = 95617584000 # 5000-01-01T00:00:00Z
+      second_array = build_timestamp_array(:second,
+                                           [after_epoch_in_second])
+      after_epoch_in_nano_overflowed =
+        (after_epoch_in_second * 1000 * 1000 * 1000) % (2 ** 64)
+      nano_array   = build_timestamp_array(:nano,
+                                           [after_epoch_in_nano_overflowed])
+      nano_timestamp_data_type = Arrow::TimestampDataType.new(:nano)
+      assert_equal(nano_array,
+                   second_array.cast(nano_timestamp_data_type, options))
+    end
+  end
+
+  sub_test_case("allow-decimal-truncate") do
+    def test_default
+      decimal128_data_type = Arrow::Decimal128DataType.new(8, 2)
+      decimal128_array = build_decimal128_array(decimal128_data_type,
+                                                ["23423445"])
+      assert_raise(Arrow::Error::Invalid) do
+        decimal128_array.cast(Arrow::Int64DataType.new)
+      end
+    end
+
+    def test_true
+      options = Arrow::CastOptions.new
+      options.allow_decimal_truncate = true
+      decimal128_data_type = Arrow::Decimal128DataType.new(8, 2)
+      decimal128_array = build_decimal128_array(decimal128_data_type,
+                                                ["23423445"])
+      assert_equal(build_int64_array([234234]),
+                   decimal128_array.cast(Arrow::Int64DataType.new, options))
+    end
+  end
+
+  sub_test_case("allow-float-truncate") do
+    def test_default
+      assert_raise(Arrow::Error::Invalid) do
+        build_float_array([1.1]).cast(Arrow::Int8DataType.new)
+      end
+    end
+
+    def test_true
+      options = Arrow::CastOptions.new
+      options.allow_float_truncate = true
+      int8_data_type = Arrow::Int8DataType.new
+      assert_equal(build_int8_array([1]),
+                   build_float_array([1.1]).cast(int8_data_type, options))
+    end
+  end
+
+  sub_test_case("allow-invalid-utf8") do
+    def test_default
+      assert_raise(Arrow::Error::Invalid) do
+        build_binary_array(["\xff"]).cast(Arrow::StringDataType.new)
+      end
+    end
+
+    def test_true
+      options = Arrow::CastOptions.new
+      options.allow_invalid_utf8 = true
+      string_data_type = Arrow::StringDataType.new
+      assert_equal(build_string_array(["\xff"]),
+                   build_binary_array(["\xff"]).cast(string_data_type, options))
+    end
+  end
+end