AbstractLocalInspectionTest: add LANGUAGE_VERSION support

Related to KT-17164

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/base.kt

@@ -1,4 +1,4 @@
-// ERROR: The feature "array literals in annotations" is only available since language version 1.2
+// LANGUAGE_VERSION: 1.2
 
 annotation class Some(val strings: Array<String>)
 

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/base.kt.after

@@ -1,4 +1,4 @@
-// ERROR: The feature "array literals in annotations" is only available since language version 1.2
+// LANGUAGE_VERSION: 1.2
 
 annotation class Some(val strings: Array<String>)
 

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/default.kt

@@ -1,3 +1,3 @@
-// ERROR: The feature "array literals in annotations" is only available since language version 1.2
+// LANGUAGE_VERSION: 1.2
 
 annotation class Some(val strings: Array<String> = <caret>arrayOf("default"))

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/default.kt.after

@@ -1,3 +1,3 @@
-// ERROR: The feature "array literals in annotations" is only available since language version 1.2
+// LANGUAGE_VERSION: 1.2
 
 annotation class Some(val strings: Array<String> = ["default"])

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/defaultNotAnnotation.kt

@@ -1,2 +1,3 @@
+// LANGUAGE_VERSION: 1.2
 // PROBLEM: none
 class Some(val strings: Array<String> = <caret>arrayOf("default"))

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/empty.kt

@@ -1,4 +1,4 @@
-// ERROR: The feature "array literals in annotations" is only available since language version 1.2
+// LANGUAGE_VERSION: 1.2
 
 annotation class Some(val strings: Array<String>)
 

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/empty.kt.after

@@ -1,4 +1,4 @@
-// ERROR: The feature "array literals in annotations" is only available since language version 1.2
+// LANGUAGE_VERSION: 1.2
 
 annotation class Some(val strings: Array<String>)
 

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/intArray.kt

@@ -1,4 +1,4 @@
-// ERROR: The feature "array literals in annotations" is only available since language version 1.2
+// LANGUAGE_VERSION: 1.2
 
 annotation class Some(val nums: IntArray)
 

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/intArray.kt.after

@@ -1,4 +1,4 @@
-// ERROR: The feature "array literals in annotations" is only available since language version 1.2
+// LANGUAGE_VERSION: 1.2
 
 annotation class Some(val nums: IntArray)
 

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/noAnnotation.kt

@@ -1,3 +1,4 @@
+// LANGUAGE_VERSION: 1.2
 // PROBLEM: none
 
 fun foo() {

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/noArray.kt

@@ -1,3 +1,4 @@
+// LANGUAGE_VERSION: 1.2
 // PROBLEM: none
 // ERROR: Type mismatch: inferred type is Int but Array<String> was expected
 

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/unnamed.kt

@@ -1,4 +1,4 @@
-// ERROR: The feature "array literals in annotations" is only available since language version 1.2
+// LANGUAGE_VERSION: 1.2
 
 annotation class Some(val strings: Array<String>)
 

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/unnamed.kt.after

@@ -1,4 +1,4 @@
-// ERROR: The feature "array literals in annotations" is only available since language version 1.2
+// LANGUAGE_VERSION: 1.2
 
 annotation class Some(val strings: Array<String>)
 

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/vararg.kt

@@ -1,4 +1,4 @@
-// ERROR: The feature "array literals in annotations" is only available since language version 1.2
+// LANGUAGE_VERSION: 1.2
 
 annotation class Some(vararg val strings: String)
 

idea/testData/inspectionsLocal/replaceArrayOfWithLiteral/vararg.kt.after

@@ -1,4 +1,4 @@
-// ERROR: The feature "array literals in annotations" is only available since language version 1.2
+// LANGUAGE_VERSION: 1.2
 
 annotation class Some(vararg val strings: String)
 

idea/tests/org/jetbrains/kotlin/idea/inspections/AbstractLocalInspectionTest.kt

@@ -18,11 +18,16 @@ package org.jetbrains.kotlin.idea.inspections
 
 import com.google.common.collect.Lists
 import com.intellij.codeInspection.ProblemDescriptor
+import com.intellij.openapi.application.WriteAction
+import com.intellij.openapi.externalSystem.service.project.IdeModifiableModelsProviderImpl
 import com.intellij.openapi.util.SystemInfo
 import com.intellij.openapi.util.io.FileUtil
 import com.intellij.openapi.vfs.VirtualFile
 import junit.framework.ComparisonFailure
 import junit.framework.TestCase
+import org.jetbrains.kotlin.config.LanguageFeature
+import org.jetbrains.kotlin.idea.facet.configureFacet
+import org.jetbrains.kotlin.idea.facet.getOrCreateFacet
 import org.jetbrains.kotlin.idea.test.DirectiveBasedActionUtils
 import org.jetbrains.kotlin.idea.test.KotlinLightCodeInsightFixtureTestCase
 import org.jetbrains.kotlin.idea.util.application.executeWriteCommand
@@ -73,6 +78,20 @@ abstract class AbstractLocalInspectionTest : KotlinLightCodeInsightFixtureTestCa
         val fileText = FileUtil.loadFile(mainFile, true)
         TestCase.assertTrue("\"<caret>\" is missing in file \"$mainFile\"", fileText.contains("<caret>"))
 
+        val version = InTextDirectivesUtils.findStringWithPrefixes(fileText, "// LANGUAGE_VERSION: ")
+        if (version != null) {
+            val accessToken = WriteAction.start()
+            try {
+                val modelsProvider = IdeModifiableModelsProviderImpl(project)
+                val facet = module.getOrCreateFacet(modelsProvider, useProjectSettings = false)
+                facet.configureFacet(version, LanguageFeature.State.DISABLED, null, modelsProvider)
+                modelsProvider.commit()
+            }
+            finally {
+                accessToken.finish()
+            }
+        }
+
         val minJavaVersion = InTextDirectivesUtils.findStringWithPrefixes(fileText, "// MIN_JAVA_VERSION: ")
         if (minJavaVersion != null && !SystemInfo.isJavaVersionAtLeast(minJavaVersion)) return