commit

Assets/Tests/Editor/TestBitWise.cs

@@ -0,0 +1,77 @@
+using System.Collections;
+using System.Collections.Generic;
+using NUnit.Framework;
+
+namespace Assets.Data
+{
+    [TestFixture]
+    public class TestBitWise
+    {
+        [Test]
+        [TestCaseSource(typeof(BitwiseCase), "BitwiseCombination")]
+        public void TestBitwiseCombination(int n, int p, HashSet<long> expected)
+        {
+            HashSet<long> output = BitWise.GetAllPermutation(n, p);
+            Assert.IsTrue(output.SetEquals(expected));
+        }
+    }
+
+    public class BitwiseCase
+    {
+        public static IEnumerable BitwiseCombination
+        {
+            get
+            {
+                yield return new TestCaseData(
+                    3,
+                    5,
+                    new HashSet<long>()
+                    {
+                        0b11100,
+                        0b11010,
+                        0b10110,
+                        0b01110,
+                        0b11001,
+                        0b10101,
+                        0b01101,
+                        0b10011,
+                        0b01011,
+                        0b00111,
+                    }
+                );
+                yield return new TestCaseData(
+                    1,
+                    1,
+                    new HashSet<long>()
+                    {
+                        0b001
+                    }
+                );
+                yield return new TestCaseData(
+                    2,
+                    3,
+                    new HashSet<long>()
+                    {
+                        0b011,
+                        0b110,
+                        0b101
+                    }
+                );
+                yield return new TestCaseData(
+                    2,
+                    4,
+                    new HashSet<long>()
+                    {
+                        0b0011,
+                        0b0101,
+                        0b1001,
+                        0b0110,
+                        0b1010,
+                        0b1100
+                    }
+                );
+            }
+        }
+    }
+
+}