Add ImmutableSortedMoneySet.TryGetValue tests

Tests/Singulink.Globalization.Currency.Tests/ImmutableSortedMoneySetTests/TryGetValueTests.cs

@@ -0,0 +1,68 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Shouldly;
+
+namespace Singulink.Globalization.Tests.ImmutableSortedMoneySetTests;
+
+[TestClass]
+public class TryGetValueTests
+{
+    private static readonly Money Usd100 = new(100m, "USD");
+    private static readonly Money Cad50 = new(50m, "CAD");
+    private static readonly Money Eur25 = new(25m, "EUR");
+    private static readonly ImmutableSortedMoneySet Set = [Usd100, Cad50, Eur25];
+
+    [TestMethod]
+    public void GetByCurrency_ValueExists_ReturnsTrueAndOutputsValue()
+    {
+        Set.TryGetValue(Currency.Get("USD"), out var value).ShouldBeTrue();
+        value.ShouldBe(Usd100);
+
+        Set.TryGetValue(Currency.Get("CAD"), out value).ShouldBeTrue();
+        value.ShouldBe(Cad50);
+
+        Set.TryGetValue(Currency.Get("EUR"), out value).ShouldBeTrue();
+        value.ShouldBe(Eur25);
+    }
+
+    [TestMethod]
+    public void GetByCurrency_ValueDoesNotExist_ReturnsFalse()
+    {
+        Set.TryGetValue(Currency.Get("GBP"), out var value).ShouldBeFalse();
+    }
+
+    [TestMethod]
+    public void GetByCurrency_CurrencyDoesNotExist_ThrowsArgumentException()
+    {
+        Should.Throw<ArgumentException>(() => Set.TryGetValue(Currency.Get("XXX"), out _));
+    }
+
+    [TestMethod]
+    public void GetByCurrencyCode_ValueExists_ReturnsTrueAndOutputsValue()
+    {
+        Set.TryGetValue("USD", out var value).ShouldBeTrue();
+        value.ShouldBe(Usd100);
+
+        Set.TryGetValue("CAD", out value).ShouldBeTrue();
+        value.ShouldBe(Cad50);
+
+        Set.TryGetValue("EUR", out value).ShouldBeTrue();
+        value.ShouldBe(Eur25);
+    }
+
+    [TestMethod]
+    public void GetByCurrencyCode_ValueDoesNotExist_ReturnsFalse()
+    {
+        Set.TryGetValue("GBP", out var value).ShouldBeFalse();
+    }
+
+    [TestMethod]
+    public void GetByCurrencyCode_CurrencyDoesNotExist_ThrowsArgumentException()
+    {
+        Should.Throw<ArgumentException>(() => Set.TryGetValue("XXX", out _));
+    }
+}