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Optimize StringUtils.replace/deleteAny for common no-op case

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Issue: SPR-15430
This commit is contained in:
Juergen Hoeller
2017-04-11 10:11:54 +02:00
parent 7fbc20e225
commit 3a1d431c7d
2 changed files with 49 additions and 9 deletions
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8
spring-core/src/test/java/org/springframework/util/StringUtilsTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -177,15 +177,15 @@ public class StringUtilsTests {
// Non match: no change
s = StringUtils.replace(inString, "qwoeiruqopwieurpoqwieur", newPattern);
assertTrue("Replace non matched is equal", s.equals(inString));
assertSame("Replace non-matched is returned as-is", inString, s);
// Null new pattern: should ignore
s = StringUtils.replace(inString, oldPattern, null);
assertTrue("Replace non matched is equal", s.equals(inString));
assertSame("Replace non-matched is returned as-is", inString, s);
// Null old pattern: should ignore
s = StringUtils.replace(inString, null, newPattern);
assertTrue("Replace non matched is equal", s.equals(inString));
assertSame("Replace non-matched is returned as-is", inString, s);
}
@Test