From 01c73b89dc200865d1a686c7edf45968cbd4fa87 Mon Sep 17 00:00:00 2001
From: Karl Wagner <5254025+karwa@users.noreply.github.com>
Date: Sat, 9 Sep 2023 16:55:36 +0200
Subject: [PATCH] Add tests for replacing the entire base collection

---
 .../ReplaceSubrangeTests.swift                 | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Tests/SwiftAlgorithmsTests/ReplaceSubrangeTests.swift b/Tests/SwiftAlgorithmsTests/ReplaceSubrangeTests.swift
index f57aae61..ca6c9934 100644
--- a/Tests/SwiftAlgorithmsTests/ReplaceSubrangeTests.swift
+++ b/Tests/SwiftAlgorithmsTests/ReplaceSubrangeTests.swift
@@ -176,5 +176,23 @@ final class ReplaceSubrangeTests: XCTestCase {
       XCTAssertEqualCollections(result, "hello, wo")
       IndexValidator().validate(result, expectedCount: 9)
     }
+
+    // Location: entire collection
+    // Replacement: non-empty
+    do {
+      let base = "hello, world!"
+      let result = base.lazy.replacingSubrange(base.startIndex..<base.endIndex, with: Array("blah blah blah"))
+      XCTAssertEqualCollections(result, "blah blah blah")
+      IndexValidator().validate(result, expectedCount: 14)
+    }
+
+    // Location: entire collection
+    // Replacement: empty
+    do {
+      let base = "hello, world!"
+      let result = base.lazy.replacingSubrange(base.startIndex..<base.endIndex, with: EmptyCollection())
+      XCTAssertEqualCollections(result, "")
+      IndexValidator().validate(result, expectedCount: 0)
+    }
   }
 }