From 0d45e050d1655623d5d922cc0bf63b8ff2f4d7a6 Mon Sep 17 00:00:00 2001
From: Mike Marynowski <mikem@singulink.com>
Date: Thu, 7 Mar 2024 01:57:58 -0500
Subject: [PATCH] Add ImmutabaleSortedMoneySet.RemoveAll tests for predicate
 overload

---
 .../ImmutableSortedMoneySetTests/RemoveAll.cs | 22 ++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/Tests/Singulink.Globalization.Currency.Tests/ImmutableSortedMoneySetTests/RemoveAll.cs b/Tests/Singulink.Globalization.Currency.Tests/ImmutableSortedMoneySetTests/RemoveAll.cs
index aa9494a..dee2ba1 100644
--- 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);
+    }
 }
\ No newline at end of file