+ tests for rotate right

Hawkynt · Aug 6, 2024 · 310ac5f · 310ac5f
1 parent bc01ee4
commit 310ac5f
Showing 1 changed file with 36 additions and 2 deletions.
diff --git a/Tests/Corlib.Tests/System/MathTest.cs b/Tests/Corlib.Tests/System/MathTest.cs
@@ -8591,7 +8591,41 @@ public void MinMax(byte[] values, int minValue, int maxValue) {
   [TestCase((ulong)0b0000000000000000000000000000000000000000000000000000000000000001, 64, (ulong)0b0000000000000000000000000000000000000000000000000000000000000001)]
   [TestCase((ulong)0b0000000000000000000000000000000000000000000000000000000000000001, 128, (ulong)0b0000000000000000000000000000000000000000000000000000000000000001)]
   public void RotateLeftQWord(ulong inp, byte count, ulong expected) => Assert.AreEqual(expected, inp.RotateLeft(count));
-
-  // TODO: right rotate
+
+  [Test]
+  [TestCase((byte)0b00000001, 0, (byte)0b00000001)]
+  [TestCase((byte)0b00000010, 1, (byte)0b00000001)]
+  [TestCase((byte)0b10000001, 1, (byte)0b11000000)]
+  [TestCase((byte)0b10000000, 7, (byte)0b00000001)]
+  [TestCase((byte)0b10000000, 8, (byte)0b10000000)]
+  [TestCase((byte)0b10000000, 16, (byte)0b10000000)]
+  public void RotateRightByte(byte inp, byte count, byte expected) => Assert.AreEqual(expected, inp.RotateRight(count));
+
+  [Test]
+  [TestCase((ushort)0b0000000000000001, 0, (ushort)0b0000000000000001)]
+  [TestCase((ushort)0b0000000000000010, 1, (ushort)0b0000000000000001)]
+  [TestCase((ushort)0b1000000000000001, 1, (ushort)0b1100000000000000)]
+  [TestCase((ushort)0b1000000000000000, 15, (ushort)0b0000000000000001)]
+  [TestCase((ushort)0b1000000000000000, 16, (ushort)0b1000000000000000)]
+  [TestCase((ushort)0b1000000000000000, 32, (ushort)0b1000000000000000)]
+  public void RotateRightWord(ushort inp, byte count, ushort expected) => Assert.AreEqual(expected, inp.RotateRight(count));
+
+  [Test]
+  [TestCase((uint)0b00000000000000000000000000000001, 0, (uint)0b00000000000000000000000000000001)]
+  [TestCase((uint)0b00000000000000000000000000000010, 1, (uint)0b00000000000000000000000000000001)]
+  [TestCase((uint)0b10000000000000000000000000000001, 1, (uint)0b11000000000000000000000000000000)]
+  [TestCase((uint)0b10000000000000000000000000000000, 31, (uint)0b00000000000000000000000000000001)]
+  [TestCase((uint)0b10000000000000000000000000000000, 32, (uint)0b10000000000000000000000000000000)]
+  [TestCase((uint)0b10000000000000000000000000000000, 64, (uint)0b10000000000000000000000000000000)]
+  public void RotateRightDWord(uint inp, byte count, uint expected) => Assert.AreEqual(expected, inp.RotateRight(count));
+
+  [Test]
+  [TestCase((ulong)0b0000000000000000000000000000000000000000000000000000000000000001, 0, (ulong)0b0000000000000000000000000000000000000000000000000000000000000001)]
+  [TestCase((ulong)0b0000000000000000000000000000000000000000000000000000000000000010, 1, (ulong)0b0000000000000000000000000000000000000000000000000000000000000001)]
+  [TestCase((ulong)0b1000000000000000000000000000000000000000000000000000000000000001, 1, (ulong)0b1100000000000000000000000000000000000000000000000000000000000000)]
+  [TestCase((ulong)0b1000000000000000000000000000000000000000000000000000000000000000, 63, (ulong)0b0000000000000000000000000000000000000000000000000000000000000001)]
+  [TestCase((ulong)0b1000000000000000000000000000000000000000000000000000000000000000, 64, (ulong)0b1000000000000000000000000000000000000000000000000000000000000000)]
+  [TestCase((ulong)0b1000000000000000000000000000000000000000000000000000000000000000, 128, (ulong)0b1000000000000000000000000000000000000000000000000000000000000000)]
+  public void RotateRightQWord(ulong inp, byte count, ulong expected) => Assert.AreEqual(expected, inp.RotateRight(count));
 
 }