Initial checkin

IDEHelper/Tests/src/Enums.bf

@@ -0,0 +1,118 @@
+#pragma warning disable 168
+
+using System;
+
+namespace Tests
+{
+	class Enums
+	{
+		enum EnumA
+		{
+			A,
+			B
+		}
+
+		enum EnumB
+		{
+			A,
+			B = 600
+		}
+
+		enum EnumC
+		{
+			A,
+			B = 0x7FFFFFFF
+		}
+
+		enum EnumD
+		{
+			A,
+			B = 0x7FFFFFFFFFFFFFFFL
+		}
+
+		enum EnumE
+		{
+			case A;
+			case B(int a);
+			case C(int a, int b);
+		}
+
+		enum EnumF
+		{
+			case None;
+			case EE(EnumE ee);
+		}
+
+		[Test]
+		static void TestBasic()
+		{
+			EnumA ea = .A;
+			Test.Assert((int)ea == 0);
+			Test.Assert(sizeof(EnumA) == 1);
+			Test.Assert(sizeof(EnumB) == 2);
+			Test.Assert(sizeof(EnumC) == 4);
+			Test.Assert(sizeof(EnumD) == 8);
+		}
+
+		[Test]
+		static void TestPayloads()
+		{
+			Test.Assert(sizeof(EnumE) == sizeof(int)*2 + 1);
+			Test.Assert(sizeof(EnumF) == sizeof(int)*2 + 1 + 1);
+
+			EnumE ee = .C(1, 2);
+
+			int a = 0;
+			int b = 0;
+			switch (ee)
+			{
+			case .A:
+			case .B(out a):
+			case .C(out a, out b):
+			}
+			Test.Assert(a == 1);
+			Test.Assert(b == 2);
+
+			EnumF ef = .EE(.C(3, 4));
+			switch (ef)
+			{
+			case .EE(let eeVal):
+				if (!(eeVal case .C(out a, out b)))
+				{
+					Test.FatalError();
+				}
+			default:
+			}
+			Test.Assert(a == 3);
+			Test.Assert(b == 4);
+		}
+
+		[Test]
+		static void TestCases()
+		{
+			EnumE ee = .A;
+
+			int val = 123;
+			bool matches = ee case .B(out val);
+			Test.Assert(val == 0);
+
+			// We only assign to 'val' on true here
+			val = 123;
+			if (ee case .B(out val))
+			{
+				Test.Assert(val == 0 );
+			}
+			Test.Assert(val == 123);
+
+			// We always assign to 'val' here because we may enter even if there's no match
+			val = 123;
+			if ((ee case .B(out val)) || (val > 0))
+			{
+			}
+			Test.Assert(val == 0);
+
+			ee = .B(10);
+			
+		}
+	}
+}