Add ImmutabaleSortedMoneySet.RemoveAll tests for predicate overload

Singulink · Mar 7, 2024 · 0d45e05 · 0d45e05
1 parent c5435f4
commit 0d45e05
Showing 1 changed file with 19 additions and 3 deletions.
diff --git a/Tests/Singulink.Globalization.Currency.Tests/ImmutableSortedMoneySetTests/RemoveAll.cs b/Tests/Singulink.Globalization.Currency.Tests/ImmutableSortedMoneySetTests/RemoveAll.cs
@@ -1,4 +1,7 @@
-namespace Singulink.Globalization.Tests.ImmutableSortedMoneySetTests;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+
+namespace Singulink.Globalization.Tests.ImmutableSortedMoneySetTests;
 
 [PrefixTestClass]
 public class RemoveAll
@@ -13,8 +16,6 @@ public class RemoveAll
 
     private static readonly ImmutableSortedMoneySet Set = [Usd100, Cad50, Eur25];
 
-    // public int RemoveAll(IEnumerable<Currency> currencies) tests
-
     [TestMethod]
     public void RemoveCurrencies_AllMatchingCurrencies_RemovesAllValues()
     {
@@ -55,4 +56,19 @@ public void RemoveCurrencies_CurrencyDisallowed_ThrowsArgumentException()
 
         Should.Throw<ArgumentException>(() => Set.RemoveAll([disallowedCurrency]));
     }
+
+    [TestMethod]
+    public void RemoveCurrenciesByPredicate_SomeMatches_RemovesMatching()
+    {
+        var resultSet = Set.RemoveAll(m => m.Amount > 30);
+        resultSet.Count.ShouldBe(1);
+        resultSet.ShouldBe([Eur25]);
+    }
+
+    [TestMethod]
+    public void RemoveCurrenciesByPredicate_NoMatches_NoChange()
+    {
+        var resultSet = Set.RemoveAll(m => m.Amount > 100);
+        resultSet.ShouldBeSameAs(Set);
+    }
 }