From 065c463cef11838b40d082d835c46bde5193be4f Mon Sep 17 00:00:00 2001
From: Andy Wilkinson <andy.wilkinson@broadcom.com>
Date: Fri, 1 May 2026 08:39:18 +0100
Subject: [PATCH] Improve nullability of TestPropertyValues

Closes gh-50269
---
 .../boot/test/util/TestPropertyValues.java                | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/core/spring-boot-test/src/main/java/org/springframework/boot/test/util/TestPropertyValues.java b/core/spring-boot-test/src/main/java/org/springframework/boot/test/util/TestPropertyValues.java
index fc9eb2d8315..861b6af4d4c 100644
--- a/core/spring-boot-test/src/main/java/org/springframework/boot/test/util/TestPropertyValues.java
+++ b/core/spring-boot-test/src/main/java/org/springframework/boot/test/util/TestPropertyValues.java
@@ -100,7 +100,7 @@ public final class TestPropertyValues {
 	 * @since 2.4.0
 	 */
 	public TestPropertyValues and(@Nullable Map<String, String> map) {
-		return (map != null) ? and(map.entrySet().stream(), Pair::fromMapEntry) : this;
+		return (map != null) ? and(map.entrySet().stream(), Pair::fromNonNullValueMapEntry) : this;
 	}
 
 	/**
@@ -257,7 +257,7 @@ public final class TestPropertyValues {
 	 * @return the new instance
 	 */
 	public static TestPropertyValues of(@Nullable Map<String, String> map) {
-		return (map != null) ? of(map.entrySet().stream(), Pair::fromMapEntry) : empty();
+		return (map != null) ? of(map.entrySet().stream(), Pair::fromNonNullValueMapEntry) : empty();
 	}
 
 	/**
@@ -363,6 +363,10 @@ public final class TestPropertyValues {
 			return of(entry.getKey(), entry.getValue());
 		}
 
+		private static Pair fromNonNullValueMapEntry(Map.Entry<String, String> entry) {
+			return of(entry.getKey(), entry.getValue());
+		}
+
 		/**
 		 * Factory method to create a {@link Pair} from a name and value.
 		 * @param name the name