From 842490beeb4cdd466b1e4d748c5d22c411dc041a Mon Sep 17 00:00:00 2001
From: Sam Brannen <sam@sambrannen.com>
Date: Wed, 5 Apr 2023 15:05:25 +0200
Subject: [PATCH] Add tests for corner cases

See gh-30290
See gh-30286
---
 .../src/test/java/org/springframework/util/ObjectUtilsTests.java | 1 +
 .../src/test/java/org/springframework/util/StringUtilsTests.java | 1 +
 2 files changed, 2 insertions(+)

diff --git a/spring-core/src/test/java/org/springframework/util/ObjectUtilsTests.java b/spring-core/src/test/java/org/springframework/util/ObjectUtilsTests.java
index 64e283b2166..7f7038df93a 100644
--- a/spring-core/src/test/java/org/springframework/util/ObjectUtilsTests.java
+++ b/spring-core/src/test/java/org/springframework/util/ObjectUtilsTests.java
@@ -821,6 +821,7 @@ class ObjectUtilsTests {
 			String repeat100 = "X".repeat(100);
 			String repeat101 = "X".repeat(101);
 
+			assertThat(ObjectUtils.nullSafeConciseToString("")).isEqualTo("");
 			assertThat(ObjectUtils.nullSafeConciseToString("foo")).isEqualTo("foo");
 			assertThat(ObjectUtils.nullSafeConciseToString(repeat100)).isEqualTo(repeat100);
 			assertThat(ObjectUtils.nullSafeConciseToString(repeat101)).hasSize(truncatedLength).endsWith(truncated);
diff --git a/spring-core/src/test/java/org/springframework/util/StringUtilsTests.java b/spring-core/src/test/java/org/springframework/util/StringUtilsTests.java
index a45067bf90d..614f0dfad33 100644
--- a/spring-core/src/test/java/org/springframework/util/StringUtilsTests.java
+++ b/spring-core/src/test/java/org/springframework/util/StringUtilsTests.java
@@ -771,6 +771,7 @@ class StringUtilsTests {
 
 	@ParameterizedTest
 	@CsvSource(delimiterString = "-->", textBlock = """
+			''                  --> ''
 			aardvark            --> aardvark
 			aardvark12          --> aardvark12
 			aardvark123         --> aardvark12 (truncated)...