Add test for JENKINS-41134

src/test/java/hudson/tasks/junit/TestResultTest.java

@@ -150,6 +150,19 @@ public void testDuplicatedTestSuiteIsNotCounted() throws IOException, URISyntaxE
         assertEquals("Wrong duration for test result", 1.0, testResult.getDuration(), 0.01);
     }
 
+    @Issue("JENKINS-41134")
+    @Test
+    public void testMerge() throws IOException, URISyntaxException {
+        TestResult first = new TestResult();
+        TestResult second = new TestResult();
+
+        first.parse(getDataFile("JENKINS-41134/TestSuite_first.xml"));
+        second.parse(getDataFile("JENKINS-41134/TestSuite_second.xml"));
+        assertEquals("Fail count should be 0", 0, first.getFailCount());
+        first.merge(second);
+        assertEquals("Fail count should now be 1", 1, first.getFailCount());
+    }
+
     private static final XStream XSTREAM = new XStream2();
 
     static {

src/test/resources/hudson/tasks/junit/JENKINS-41134/TestSuite_first.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<testsuites>
+    <testsuite name="TestSuite_first" tests="1" errors="0" failures="0" skip="0" timestamp="2012-04-05T10:50:00">
+        <testcase classname="TestFoo" name="bar" time="157.980" />
+    </testsuite>
+</testsuites>

src/test/resources/hudson/tasks/junit/JENKINS-41134/TestSuite_second.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<testsuites>
+    <testsuite name="TestSuite_second" tests="1" errors="0" failures="1" skip="0" timestamp="2012-04-05T10:50:00">
+        <testcase classname="TestFoo2" name="bar2" time="123.980">
+            <failure message="PROGRAM.cbl:2 Use a program name that matches the source file name" type="WARNING">
+                WARNING: Use a program name that matches the source file name
+                Category: COBOL Code Review – Naming Conventions
+                File: /project/PROGRAM.cbl
+                Line: 2
+            </failure>
+        </testcase>
+    </testsuite>
+</testsuites>