[maven] IDEA-255308 Maven multi-release highlighting test for module-info.java

GitOrigin-RevId: bfc33786218f84ee75fe6565048003d8eed49ea6

plugins/maven/src/test/java/org/jetbrains/idea/maven/compiler/MultiReleaseHighlightingTest.kt

@@ -0,0 +1,60 @@
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package org.jetbrains.idea.maven.compiler
+
+import com.intellij.pom.java.LanguageLevel
+import kotlinx.coroutines.runBlocking
+import org.jetbrains.idea.maven.dom.MavenDomWithIndicesTestCase
+import org.junit.Test
+
+class MultiReleaseHighlightingTest : MavenDomWithIndicesTestCase() {
+  @Test
+  fun testDoNotHighlightVersionRanges() = runBlocking {
+    createProjectSubFile("src/main/java/org/example/A.java", """
+      package org.example;
+      class A {}
+      """.trimIndent())
+    val moduleInfo = createProjectSubFile("src/main/java-additional/module-info.java", """
+      module project {
+        exports org.example;
+      }""".trimIndent())
+
+    importProjectAsync("""
+      <groupId>test</groupId>
+      <artifactId>project</artifactId>
+      <version>1</version>
+      <properties>
+        <maven.compiler.release>8</maven.compiler.release>
+      </properties>
+      <build>
+        <plugins>
+          <plugin>
+              <groupId>org.apache.maven.plugins</groupId>
+              <artifactId>maven-compiler-plugin</artifactId>
+              <executions>
+                <execution>
+                  <id>additionalSourceRoot</id>
+                  <configuration>
+                    <release>9</release>
+                    <multiReleaseOutput>true</multiReleaseOutput>
+                    <compileSourceRoots>
+                      <root>${'$'}{project.basedir}/src/main/java-additional</root>
+                    </compileSourceRoots>
+                  </configuration>
+                </execution>
+              </executions>
+          </plugin>
+        </plugins>
+      </build>
+      """.trimIndent())
+
+    assertModules("project", "project.main", "project.additionalSourceRoot", "project.test")
+
+    assertEquals(LanguageLevel.JDK_1_8, getSourceLanguageLevelForModule("project.main"))
+    assertEquals(LanguageLevel.JDK_1_8, getTargetLanguageLevelForModule("project.main"))
+
+    assertEquals(LanguageLevel.JDK_1_9, getSourceLanguageLevelForModule("project.additionalSourceRoot"))
+    assertEquals(LanguageLevel.JDK_1_9, getTargetLanguageLevelForModule("project.additionalSourceRoot"))
+
+    checkHighlighting(moduleInfo)
+  }
+}