[JENKINS-14814] Reproduced.

test/src/test/java/hudson/model/CauseTest.java

@@ -0,0 +1,57 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2012 Jesse Glick.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package hudson.model;
+
+import hudson.XmlFile;
+import java.io.File;
+import static org.junit.Assert.*;
+import org.junit.Rule;
+import org.junit.Test;
+import org.jvnet.hudson.test.Bug;
+import org.jvnet.hudson.test.JenkinsRule;
+
+public class CauseTest {
+
+    @Rule public JenkinsRule j = new JenkinsRule();
+
+    @Bug(14814)
+    @Test public void deeplyNestedCauses() throws Exception {
+        FreeStyleProject a = j.createFreeStyleProject("a");
+        FreeStyleProject b = j.createFreeStyleProject("b");
+        Run<?,?> early = null;
+        Run<?,?> last = null;
+        for (int i = 1; i <= 15; i++) {
+            last = b.scheduleBuild2(0, new Cause.UpstreamCause((Run<?,?>) a.scheduleBuild2(0, last == null ? null : new Cause.UpstreamCause(last)).get())).get();
+            if (i == 5) {
+                early = last;
+            }
+        }
+        String buildXml = new XmlFile(Run.XSTREAM, new File(early.getRootDir(), "build.xml")).asString();
+        assertTrue("keeps full history:\n" + buildXml, buildXml.contains("<upstreamBuild>1</upstreamBuild>"));
+        buildXml = new XmlFile(Run.XSTREAM, new File(last.getRootDir(), "build.xml")).asString();
+        assertFalse("too big:\n" + buildXml, buildXml.contains("<upstreamBuild>1</upstreamBuild>"));
+    }
+
+}