1 files changed, 15 insertions, 0 deletions
diff --git a/it/it-tests/src/test/java/batch/suite/ProjectBuilderTest.java b/it/it-tests/src/test/java/batch/suite/ProjectBuilderTest.java
index d0e9bad2dc9..f76e61414e3 100644
--- a/it/it-tests/src/test/java/batch/suite/ProjectBuilderTest.java
+++ b/it/it-tests/src/test/java/batch/suite/ProjectBuilderTest.java
@@ -7,6 +7,9 @@ package batch.suite;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
+import com.sonar.orchestrator.build.BuildFailureException;
+
+import com.sonar.orchestrator.build.SonarRunner;
 import util.ItUtils;
 import com.sonar.orchestrator.Orchestrator;
 import com.sonar.orchestrator.build.MavenBuild;
@@ -44,6 +47,18 @@ public class ProjectBuilderTest {
     assertThat(getResource("com.sonarsource.it.projects.batch:project-builder-module-b:src/IgnoredFile.java")).isNull();
   }
 
+  @Test
+  // SONAR-6665
+  public void errorSubModuleSameName() {
+    SonarRunner build = SonarRunner.create(ItUtils.projectDir("batch/multi-module-repeated-names"));
+
+    try {
+      orchestrator.executeBuild(build);
+    } catch (BuildFailureException e) {
+      assertThat(e.getResult().getLogs()).contains("Two modules have the same name: module1");
+    }
+  }
+
   private void checkProject() {
     Resource project = getResource("com.sonarsource.it.projects.batch:project-builder");