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using System; | ||
using System.Linq; | ||
using Microsoft.VisualStudio.TestTools.UnitTesting; | ||
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namespace S7.Net.UnitTest.TypeTests | ||
{ | ||
public static class DateTimeTests | ||
{ | ||
private static readonly DateTime SampleDateTime = new DateTime(1993, 12, 25, 8, 12, 34, 567); | ||
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private static readonly byte[] SampleByteArray = {0x93, 0x12, 0x25, 0x08, 0x12, 0x34, 0x56, 7 << 4 | 7}; | ||
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private static readonly byte[] SpecMinByteArray = | ||
{ | ||
0x90, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, (byte) (int) (Types.DateTime.SpecMinimumDateTime.DayOfWeek + 1) | ||
}; | ||
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private static readonly byte[] SpecMaxByteArray = | ||
{ | ||
0x89, 0x12, 0x31, 0x23, 0x59, 0x59, 0x99, (byte) (9 << 4 | (int) (Types.DateTime.SpecMaximumDateTime.DayOfWeek + 1)) | ||
}; | ||
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[TestClass] | ||
public class FromByteArray | ||
{ | ||
[TestMethod] | ||
public void Sample() | ||
{ | ||
AssertFromByteArrayEquals(SampleDateTime, SampleByteArray); | ||
} | ||
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[TestMethod] | ||
public void SpecMinimum() | ||
{ | ||
AssertFromByteArrayEquals(Types.DateTime.SpecMinimumDateTime, SpecMinByteArray); | ||
} | ||
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[TestMethod] | ||
public void SpecMaximum() | ||
{ | ||
AssertFromByteArrayEquals(Types.DateTime.SpecMaximumDateTime, SpecMaxByteArray); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnLessThan8Bytes() | ||
{ | ||
Types.DateTime.FromByteArray(new byte[7]); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnMoreTHan8Bytes() | ||
{ | ||
Types.DateTime.FromByteArray(new byte[9]); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnInvalidYear() | ||
{ | ||
Types.DateTime.FromByteArray(MutateSample(0, 0xa0)); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnZeroMonth() | ||
{ | ||
Types.DateTime.FromByteArray(MutateSample(1, 0x00)); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnTooLargeMonth() | ||
{ | ||
Types.DateTime.FromByteArray(MutateSample(1, 0x13)); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnZeroDay() | ||
{ | ||
Types.DateTime.FromByteArray(MutateSample(2, 0x00)); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnTooLargeDay() | ||
{ | ||
Types.DateTime.FromByteArray(MutateSample(2, 0x32)); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnInvalidHour() | ||
{ | ||
Types.DateTime.FromByteArray(MutateSample(3, 0x24)); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnInvalidMinute() | ||
{ | ||
Types.DateTime.FromByteArray(MutateSample(4, 0x60)); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnInvalidSecond() | ||
{ | ||
Types.DateTime.FromByteArray(MutateSample(5, 0x60)); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnInvalidFirstTwoMillisecondDigits() | ||
{ | ||
Types.DateTime.FromByteArray(MutateSample(6, 0xa0)); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnInvalidThirdMillisecondDigit() | ||
{ | ||
Types.DateTime.FromByteArray(MutateSample(7, 10 << 4)); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnZeroDayOfWeek() | ||
{ | ||
Types.DateTime.FromByteArray(MutateSample(7, 0)); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnTooLargeDayOfWeek() | ||
{ | ||
Types.DateTime.FromByteArray(MutateSample(7, 8)); | ||
} | ||
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private static void AssertFromByteArrayEquals(DateTime expected, params byte[] bytes) | ||
{ | ||
Assert.AreEqual(expected, Types.DateTime.FromByteArray(bytes)); | ||
} | ||
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private static byte[] MutateSample(int index, byte value) => | ||
SampleByteArray.Select((b, i) => i == index ? value : b).ToArray(); | ||
} | ||
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[TestClass] | ||
public class ToByteArray | ||
{ | ||
[TestMethod] | ||
public void Sample() | ||
{ | ||
AssertToByteArrayEquals(SampleDateTime, SampleByteArray); | ||
} | ||
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[TestMethod] | ||
public void SpecMinimum() | ||
{ | ||
AssertToByteArrayEquals(Types.DateTime.SpecMinimumDateTime, SpecMinByteArray); | ||
} | ||
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[TestMethod] | ||
public void SpecMaximum() | ||
{ | ||
AssertToByteArrayEquals(Types.DateTime.SpecMaximumDateTime, SpecMaxByteArray); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnTimeBeforeSpecMinimum() | ||
{ | ||
Types.DateTime.ToByteArray(new DateTime(1970, 1, 1)); | ||
} | ||
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[TestMethod, ExpectedException(typeof(ArgumentOutOfRangeException))] | ||
public void ThrowsOnTimeAfterSpecMaximum() | ||
{ | ||
Types.DateTime.ToByteArray(new DateTime(2090, 1, 1)); | ||
} | ||
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private static void AssertToByteArrayEquals(DateTime value, params byte[] expected) | ||
{ | ||
CollectionAssert.AreEqual(expected, Types.DateTime.ToByteArray(value)); | ||
} | ||
} | ||
} | ||
} |