From 2489eb035454fb1507146a5035366bb08f71024b Mon Sep 17 00:00:00 2001
From: Dmitry Avdeev <dmitry.avdeev@jetbrains.com>
Date: Fri, 13 Jul 2018 16:54:33 +0300
Subject: [PATCH] test mpved to community

---
 .../testData/ide/project/.idea/misc.xml       |  6 +++
 .../configuration/LanguageLevelComboTest.java | 54 +++++++++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 java/java-tests/testData/ide/project/.idea/misc.xml
 create mode 100644 java/java-tests/testSrc/com/intellij/openapi/roots/ui/configuration/LanguageLevelComboTest.java

diff --git a/java/java-tests/testData/ide/project/.idea/misc.xml b/java/java-tests/testData/ide/project/.idea/misc.xml
new file mode 100644
index 000000000000..1f9096de3c3a
--- /dev/null
+++ b/java/java-tests/testData/ide/project/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="Rare Bird" project-jdk-type="IDEA JDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/java/java-tests/testSrc/com/intellij/openapi/roots/ui/configuration/LanguageLevelComboTest.java b/java/java-tests/testSrc/com/intellij/openapi/roots/ui/configuration/LanguageLevelComboTest.java
new file mode 100644
index 000000000000..523b2764524c
--- /dev/null
+++ b/java/java-tests/testSrc/com/intellij/openapi/roots/ui/configuration/LanguageLevelComboTest.java
@@ -0,0 +1,54 @@
+package com.intellij.openapi.roots.ui.configuration;
+
+import com.intellij.openapi.application.ex.PathManagerEx;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.project.ProjectManager;
+import com.intellij.openapi.project.ex.ProjectManagerEx;
+import com.intellij.openapi.roots.LanguageLevelProjectExtension;
+import com.intellij.pom.java.LanguageLevel;
+import com.intellij.testFramework.IdeaTestUtil;
+import com.intellij.testFramework.LightPlatformTestCase;
+
+public class LanguageLevelComboTest extends LightPlatformTestCase {
+
+  private Project myProject;
+  private LanguageLevelCombo myCombo;
+
+  @Override
+  protected void setUp() throws Exception {
+    super.setUp();
+    myProject = ProjectManager.getInstance().loadAndOpenProject(PathManagerEx.getTestDataPath("/ide/project"));
+    myCombo = new LanguageLevelCombo("default") {
+      @Override
+      protected LanguageLevel getDefaultLevel() {
+        return null;
+      }
+    };
+    myCombo.reset(myProject);
+  }
+
+  @Override
+  protected void tearDown() throws Exception {
+    try {
+      ProjectManagerEx.getInstanceEx().closeAndDispose(myProject);
+    }
+    finally {
+      super.tearDown();
+    }
+  }
+
+  public void testDefaultLanguageLevelForBrokenSdk() {
+    assertEquals("default", myCombo.getSelectedItem());
+    assertNull(myCombo.getSelectedLevel());
+  }
+
+  public void testPreserveLanguageLevel() {
+    LanguageLevelProjectExtension extension = LanguageLevelProjectExtension.getInstance(myProject);
+    extension.setDefault(false);
+    extension.setLanguageLevel(LanguageLevel.JDK_1_5);
+    myCombo.reset(myProject);
+
+    myCombo.sdkUpdated(IdeaTestUtil.getMockJdk17(), false);
+    assertEquals(LanguageLevel.JDK_1_5, myCombo.getSelectedLevel());
+  }
+}