added sanity checks

2026-09-18 14:10:24 +04:00
parent b5a8bd2580
commit 5797bf4884
44 changed files with 419 additions and 146 deletions
@@ -0,0 +1,29 @@
+namespace Just.PreciseMath.Tests.SanityChecks;
+
+public class DoubleDoubleDivisionChecks
+{
+    public static IEnumerable<TheoryDataRow<DoubleDouble, DoubleDouble, DoubleDouble>> ReferenceCases =>
+    [
+        (new DoubleDouble(6.0), new DoubleDouble(2.0), new DoubleDouble(3.0)),
+        (new DoubleDouble(6.0), new DoubleDouble(3.0), new DoubleDouble(2.0)),
+        (new DoubleDouble(5.0), new DoubleDouble(2.0), new DoubleDouble(2.5)),
+        (new DoubleDouble(1.0), new DoubleDouble(4.0), new DoubleDouble(0.25)),
+        (new DoubleDouble(3.75), new DoubleDouble(1.25), new DoubleDouble(3.0)),
+        (new DoubleDouble(65536.0), new DoubleDouble(1024.0), new DoubleDouble(64.0)),
+        (DoubleDouble.Parse("812563124576179134546", System.Globalization.CultureInfo.InvariantCulture), new DoubleDouble(2.0), DoubleDouble.Parse("406281562288089567273", System.Globalization.CultureInfo.InvariantCulture)),
+        (DoubleDouble.Parse("812563124576179134546", System.Globalization.CultureInfo.InvariantCulture), new DoubleDouble(4.0), DoubleDouble.Parse("203140781144044783636.5", System.Globalization.CultureInfo.InvariantCulture)),
+        (DoubleDouble.Parse("812563124576179134546", System.Globalization.CultureInfo.InvariantCulture), new DoubleDouble(8.0), DoubleDouble.Parse("101570390572022391818.25", System.Globalization.CultureInfo.InvariantCulture)),
+        (DoubleDouble.Parse("812563124576179134546", System.Globalization.CultureInfo.InvariantCulture), DoubleDouble.Parse("812563124576179134546", System.Globalization.CultureInfo.InvariantCulture), new DoubleDouble(1.0)),
+    ];
+
+    [Theory]
+    [MemberData(nameof(ReferenceCases))]
+    public void DivisionShouldProduceExpectedResults(DoubleDouble left, DoubleDouble right, DoubleDouble expected)
+    {
+        DoubleDouble result = left / right;
+
+        result.High.ShouldBe(expected.High);
+        result.Low.ShouldBe(expected.Low);
+        result.ShouldBe(expected);
+    }
+}