public void GetBinary_MinTruncates_Inclusive()
{
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(new byte[] { 0, 1, 2 });
rand.IntQueue.Enqueue(2);
CollectionAssert.AreEqual(new byte[] { 0, 1, 2 }, rand.GetBinary(3, 4));
}
public void GetBinary_MaxTruncates_Exclusive()
{
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(new byte[] { 1, 2, 3, 4 });
rand.IntQueue.Enqueue(5);
CollectionAssert.AreEqual(new byte[] { 1, 2, 3, 4 }, rand.GetBinary(3, 5));
}
public void GetBinaryTests(int min, int max, int length, byte[] data)
{
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(data);
rand.IntQueue.Enqueue(length);
CollectionAssert.AreEqual(data, rand.GetBinary(min, max));
}
public void NextBytesReturnsTopOfBytesArrayQueue()
{
byte[] target = new byte[] { 0x1, 0x2, 0x3, 0x4 };
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(target);
byte[] result = new byte[4];
rand.NextBytes(result);
CollectionAssert.AreEqual(target, result, "The two arrays should be the same.");
}
public void GetSingle_MaxIsTruncated_Exclusive()
{
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(System.BitConverter.GetBytes(10.0f));
Assert.AreEqual(9.0f, rand.GetSingle(5f, 10f));
}
public void GetInt64_MinIsTruncated_Inclusive()
{
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(System.BitConverter.GetBytes(5L));
Assert.AreEqual(6L, rand.GetInt64(6, 10));
}
public void GetInt32_MinIsTruncated_Inclusive()
{
TestRandom rand = new TestRandom();
rand.IntQueue.Enqueue(5);
Assert.AreEqual(6, rand.GetInt32(6, 10));
}
public void GetInt32(int target)
{
TestRandom rand = new TestRandom();
rand.IntQueue.Enqueue(target);
Assert.AreEqual(target, rand.GetInt32());
}
public void NextPopsTheTopOfTheIntQueue()
{
TestRandom rand = new TestRandom();
rand.IntQueue.Enqueue(0);
if(rand.IntQueue.Count != 1)
Assert.Fail("Unable to determine the size of IntQueue.");
rand.Next();
Assert.AreEqual(0, rand.IntQueue.Count, "The number of items left in IntQueue should be zero.");
}
public void NextMinMaxTruncatesValueInIntQueueMin()
{
TestRandom rand = new TestRandom();
rand.IntQueue.Enqueue(-1);
int minValue = 0;
int result = rand.Next(minValue, 100);
Assert.AreEqual(minValue, result, "The result should have been equal to minValue because the min value represents an inclusive lower bound.");
}
public void NextMinMaxTruncatesValueInIntQueueMax()
{
TestRandom rand = new TestRandom();
rand.IntQueue.Enqueue(101);
int maxValue = 100;
int result = rand.Next(0, maxValue);
Assert.AreEqual(maxValue - 1, result, "The result should have been (maxvalue - 1) because the max value represents an exclusive upper bound.");
}
public void NextMinMaxReturnsNextItemInIntQueue()
{
TestRandom rand = new TestRandom();
rand.IntQueue.Enqueue(100);
int result = rand.Next(0, 101);
Assert.AreEqual(100, result);
}
public void NextMinMaxPopsIntQueue()
{
TestRandom rand = new TestRandom();
rand.IntQueue.Enqueue(100);
if(rand.IntQueue.Count != 1)
Assert.Fail("Unable to determine the size of IntQueue.");
rand.Next(0, 101);
Assert.AreEqual(0, rand.IntQueue.Count, "The number of items in IntQueue should be zero.");
}
public void NextDoubleReturnsTopOfDoubleQueue()
{
TestRandom rand = new TestRandom();
rand.DoubleQueue.Enqueue(1.1);
Assert.AreEqual(1.1, rand.NextDouble(), "The result of NextDouble should have been the top of the DoubleQueue.");
}
public void GetDecimal_MinIsTruncated_Inclusive()
{
TestRandom rand = new TestRandom();
foreach(var item in GetUsableDecimalBits(5m))
rand.IntQueue.Enqueue(item);
Assert.AreEqual(6m, rand.GetDecimal(6m, 10m));
}
public void GetGuid(byte[] targetBytes)
{
System.Guid target = new System.Guid(targetBytes);
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(targetBytes);
Assert.AreEqual(target, rand.GetGuid());
}
public void NextReturnsTopOfIntQueue()
{
TestRandom rand = new TestRandom();
rand.IntQueue.Enqueue(101);
Assert.AreEqual(101, rand.Next(), "The result of Next should have been the top of the IntQueue");
}
public void GetInt32_MaxIsTruncated_Exclusive()
{
TestRandom rand = new TestRandom();
rand.IntQueue.Enqueue(10);
Assert.AreEqual(9, rand.GetInt32(5, 10));
}
public void GetBoolean_True()
{
TestRandom rand = new TestRandom();
rand.IntQueue.Enqueue(1);
Assert.IsTrue(rand.GetBoolean());
}
public void GetInt64_MaxIsTruncated_Exclusive()
{
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(System.BitConverter.GetBytes(10L));
Assert.AreEqual(9L, rand.GetInt64(5, 10));
}
public void GetDateTime(System.DateTime target)
{
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(System.BitConverter.GetBytes(target.Ticks));
Assert.AreEqual(target, rand.GetDateTime(System.DateTime.MinValue, System.DateTime.MaxValue));
}
public void GetSingle(System.Single target)
{
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(System.BitConverter.GetBytes(target));
Assert.AreEqual(target, rand.GetSingle());
}
public void GetDateTime_MaxIsTruncated_Exclusive()
{
System.DateTime max = new System.DateTime(1000, 1, 1, 0, 0, 0, 1);
System.DateTime target = new System.DateTime(max.Ticks - 1);
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(System.BitConverter.GetBytes(max.Ticks));
Assert.AreEqual(target, rand.GetDateTime(System.DateTime.MinValue, max));
}
public void GetSingle_MinIsTruncated_Inclusive()
{
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(System.BitConverter.GetBytes(5.0f));
Assert.AreEqual(6.0f, rand.GetSingle(6f, 10f));
}
public void GetDateTime_MinIsTruncated_Inclusive()
{
System.DateTime min = new System.DateTime(1000, 1, 1, 0, 0, 0, 1);
System.DateTime target = new System.DateTime(min.Year, min.Month, min.Day, min.Hour, min.Minute, min.Second, min.Millisecond - 1);
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(System.BitConverter.GetBytes(target.Ticks));
Assert.AreEqual(min, rand.GetDateTime(min, System.DateTime.MaxValue));
}
public void GetDecimal(System.Decimal target)
{
TestRandom rand = new TestRandom();
foreach(var item in GetUsableDecimalBits(target))
rand.IntQueue.Enqueue(item);
Assert.AreEqual(target, rand.GetDecimal());
}
public void GetDecimalScaleMustBeBetween0And28Inclusive(int low, int mid, int high, int signed, int scale, int badScale)
{
TestRandom rand = new TestRandom();
rand.IntQueue.Enqueue(low);
rand.IntQueue.Enqueue(mid);
rand.IntQueue.Enqueue(high);
rand.IntQueue.Enqueue(signed);
rand.IntQueue.Enqueue(badScale);
Assert.AreEqual(new System.Decimal(low, mid, high, (signed % 2) == 1, (byte)scale), rand.GetDecimal(), @"
The two decimal values should be equal.
");
}
public void GetBoolean_False()
{
TestRandom rand = new TestRandom();
rand.IntQueue.Enqueue(0);
Assert.IsFalse(rand.GetBoolean());
}
public void NextBytesPopsTheTopOfTheBytesArrayQueue()
{
byte[] target = new byte[] { 0x1, 0x2, 0x3, 0x4 };
TestRandom rand = new TestRandom();
rand.ByteArrayQueue.Enqueue(target);
if(rand.ByteArrayQueue.Count != 1)
Assert.Fail("Unable to determine the size of ByteArrayQueue.");
byte[] result = new byte[4];
rand.NextBytes(result);
Assert.AreEqual(0, rand.ByteArrayQueue.Count, "The number of items left in ByteArrayQueue should be zero.");
}