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// 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.
using System;
using System.Collections.Generic;
using System.Linq;
using Xunit;
namespace Apache.Arrow.Tests
{
public class Date64ArrayTests
{
private const long MillisecondsPerDay = 86400000;
public static IEnumerable<object[]> GetDatesData() =>
TestDateAndTimeData.ExampleDates.Select(d => new object[] { d });
public static IEnumerable<object[]> GetDateTimesData() =>
TestDateAndTimeData.ExampleDateTimes.Select(dt => new object[] { dt });
public static IEnumerable<object[]> GetDateTimeOffsetsData() =>
TestDateAndTimeData.ExampleDateTimeOffsets.Select(dto => new object[] { dto });
public class AppendNull
{
[Fact]
public void AppendThenGetGivesNull()
{
// Arrange
var builder = new Date64Array.Builder();
// Act
builder = builder.AppendNull();
// Assert
var array = builder.Build();
Assert.Equal(1, array.Length);
Assert.Null(array.GetDateTime(0));
Assert.Null(array.GetDateTimeOffset(0));
Assert.Null(array.GetValue(0));
}
}
public class AppendDateTime
{
[Theory]
[MemberData(nameof(GetDatesData), MemberType = typeof(Date64ArrayTests))]
public void AppendDateGivesSameDate(DateTime date)
{
// Arrange
var builder = new Date64Array.Builder();
var expectedDateTime = date;
var expectedDateTimeOffset =
new DateTimeOffset(DateTime.SpecifyKind(date, DateTimeKind.Unspecified), TimeSpan.Zero);
long expectedValue = (long)date.Subtract(new DateTime(1970, 1, 1)).TotalDays * MillisecondsPerDay;
// Act
builder = builder.Append(date);
// Assert
var array = builder.Build();
Assert.Equal(1, array.Length);
Assert.Equal(expectedDateTime, array.GetDateTime(0));
Assert.Equal(expectedDateTimeOffset, array.GetDateTimeOffset(0));
Assert.Equal(expectedValue, array.GetValue(0));
Assert.Equal(0, array.GetValue(0).Value % MillisecondsPerDay);
}
[Theory]
[MemberData(nameof(GetDateTimesData), MemberType = typeof(Date64ArrayTests))]
public void AppendWithTimeGivesSameWithTimeIgnored(DateTime dateTime)
{
// Arrange
var builder = new Date64Array.Builder();
var expectedDateTime = dateTime.Date;
var expectedDateTimeOffset =
new DateTimeOffset(DateTime.SpecifyKind(dateTime.Date, DateTimeKind.Unspecified), TimeSpan.Zero);
long expectedValue =
(long)dateTime.Date.Subtract(new DateTime(1970, 1, 1)).TotalDays * MillisecondsPerDay;
// Act
builder = builder.Append(dateTime);
// Assert
var array = builder.Build();
Assert.Equal(1, array.Length);
Assert.Equal(expectedDateTime, array.GetDateTime(0));
Assert.Equal(expectedDateTimeOffset, array.GetDateTimeOffset(0));
Assert.Equal(expectedValue, array.GetValue(0));
Assert.Equal(0, array.GetValue(0).Value % MillisecondsPerDay);
}
}
public class AppendDateTimeOffset
{
[Theory]
[MemberData(nameof(GetDateTimeOffsetsData), MemberType = typeof(Date64ArrayTests))]
public void AppendGivesUtcDate(DateTimeOffset dateTimeOffset)
{
// Arrange
var builder = new Date64Array.Builder();
var expectedDateTime = dateTimeOffset.UtcDateTime.Date;
var expectedDateTimeOffset = new DateTimeOffset(dateTimeOffset.UtcDateTime.Date, TimeSpan.Zero);
long expectedValue =
(long)dateTimeOffset.UtcDateTime.Date.Subtract(new DateTime(1970, 1, 1)).TotalDays *
MillisecondsPerDay;
// Act
builder = builder.Append(dateTimeOffset);
// Assert
var array = builder.Build();
Assert.Equal(1, array.Length);
Assert.Equal(expectedDateTime, array.GetDateTime(0));
Assert.Equal(expectedDateTimeOffset, array.GetDateTimeOffset(0));
Assert.Equal(expectedValue, array.GetValue(0));
Assert.Equal(0, array.GetValue(0).Value % MillisecondsPerDay);
}
}
}
}
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