From 7108a1fc49df0a3ab1d1f30b23a6059d59489482 Mon Sep 17 00:00:00 2001
From: dreis2211 <christoph.dreis@freenet.de>
Date: Mon, 5 Feb 2018 14:57:33 +0100
Subject: [PATCH] Optimize ApplicationHome.isUnitTest()

Closes gh-11910
---
 .../java/org/springframework/boot/system/ApplicationHome.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/system/ApplicationHome.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/system/ApplicationHome.java
index 0e70dee354..05e3e5ddea 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/system/ApplicationHome.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/system/ApplicationHome.java
@@ -105,7 +105,9 @@ public class ApplicationHome {
 
 	private boolean isUnitTest() {
 		try {
-			for (StackTraceElement element : Thread.currentThread().getStackTrace()) {
+			StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
+			for (int i = stackTrace.length - 1; i >= 0; i--) {
+				StackTraceElement element = stackTrace[i];
 				if (element.getClassName().startsWith("org.junit.")) {
 					return true;
 				}