Trac #147: Avoid duplicate String instances.

1 files changed, 9 insertions, 1 deletions

diff --git a/org.jacoco.report.test/src/org/jacoco/report/internal/NormalizedFileNamesTest.java b/org.jacoco.report.test/src/org/jacoco/report/internal/NormalizedFileNamesTest.java
index 53faacee..ac7307cb 100644
--- a/org.jacoco.report.test/src/org/jacoco/report/internal/NormalizedFileNamesTest.java
+++ b/org.jacoco.report.test/src/org/jacoco/report/internal/NormalizedFileNamesTest.java
@@ -12,8 +12,8 @@
 package org.jacoco.report.internal;

 

 import static org.junit.Assert.assertEquals;

+import static org.junit.Assert.assertSame;

 

-import org.jacoco.report.internal.NormalizedFileNames;

 import org.junit.Before;

 import org.junit.Test;

 

@@ -42,6 +42,14 @@ public class NormalizedFileNamesTest {
 	}

 

 	@Test

+	public void testSameInstance() {

+		// If no normalization is required we should get the same instance.

+		String id = new String("Example.html");

+		assertSame(id, nfn.getFileName(id));

+		assertSame(id, nfn.getFileName(new String("Example.html")));

+	}

+

+	@Test

 	public void testReplaceIllegalCharactersNonUnique() {

 		assertEquals("F__", nfn.getFileName("F__"));

 		assertEquals("F__~1", nfn.getFileName("F**"));