Add tests on "-language-version" usage from Ant, Maven, Gradle

libraries/tools/kotlin-gradle-plugin-core/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt

@@ -207,6 +207,7 @@ open class KotlinCompile() : AbstractKotlinCompile<K2JVMCompilerArguments>() {
         args.noCallAssertions = kotlinOptions.noCallAssertions
         args.noParamAssertions = kotlinOptions.noParamAssertions
         args.moduleName = kotlinOptions.moduleName ?: extraProperties.getOrNull<String>("defaultModuleName")
+        args.languageVersion = kotlinOptions.languageVersion
 
         fun  addFriendPathForTestTask(taskName: String) {
             logger.kotlinDebug("try to determine the output directory of corresponding $taskName task")

libraries/tools/kotlin-gradle-plugin/src/test/kotlin/org/jetbrains/kotlin/gradle/BasicKotlinGradlePluginIT.kt

@@ -92,6 +92,14 @@ class SimpleKotlinGradleIT : BaseGradleIT() {
         }
     }
 
+    @Test
+    fun testLanguageVersion() {
+        Project("languageVersion", "1.6").build("build") {
+            assertFailed()
+            assertContains("This type is sealed")
+        }
+    }
+
     @Test
     fun testGradleSubplugin() {
         val project = Project("kotlinGradleSubplugin", "1.6")

libraries/tools/kotlin-gradle-plugin/src/test/resources/testProject/languageVersion/build.gradle

@@ -0,0 +1,40 @@
+buildscript {
+    repositories {
+        mavenCentral()
+        maven {
+            url 'file://' + pathToKotlinPlugin
+        }
+    }
+    dependencies {
+        classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.1-SNAPSHOT'
+    }
+}
+
+apply plugin: "kotlin"
+
+sourceSets {
+    main {
+        kotlin {
+            srcDir 'src'
+        }
+    }
+}
+
+repositories {
+    maven {
+        url 'file://' + pathToKotlinPlugin
+    }
+    mavenCentral()
+}
+
+dependencies {
+    compile 'org.jetbrains.kotlin:kotlin-stdlib:1.1-SNAPSHOT'
+}
+
+compileKotlin {
+    kotlinOptions.languageVersion = "1.0"
+}
+
+task wrapper(type: Wrapper) {
+    gradleVersion = "1.4"
+}

libraries/tools/kotlin-gradle-plugin/src/test/resources/testProject/languageVersion/src/helloWorld.kt

@@ -0,0 +1,3 @@
+sealed class Base
+
+class Derived : Base()

libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/invoker.properties

@@ -0,0 +1 @@
+invoker.buildResult = failure

libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/pom.xml

@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.jetbrains.kotlin</groupId>
+    <artifactId>test-languageVersion</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.9</version>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-runtime</artifactId>
+            <version>${kotlin.version}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>2.3.2</version>
+                    <configuration>
+                        <source>1.6</source>
+                        <target>1.6</target>
+                    </configuration>
+                </plugin>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-source-plugin</artifactId>
+                    <version>2.1.2</version>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+
+        <sourceDirectory>${project.basedir}/src/main/kotlin</sourceDirectory>
+        <plugins>
+            <plugin>
+                <artifactId>kotlin-maven-plugin</artifactId>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <version>${kotlin.version}</version>
+                <executions>
+                    <execution>
+                        <id>compile</id>
+                        <phase>process-sources</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <args>
+                        <arg>-language-version</arg>
+                        <arg>1.0</arg>
+                    </args>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/src/main/kotlin/main.kt

@@ -0,0 +1,3 @@
+sealed class Base
+
+class Derived : Base()

libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/verify.bsh

@@ -0,0 +1,4 @@
+source(new File(basedir, "../../../verify-common.bsh").getAbsolutePath());
+
+assertBuildLogHasLine("[INFO] BUILD FAILURE");
+assertBuildLogHasLineThatContains("This type is sealed");