Add Kotlin Gradle DSL to configure coroutines from build.gradle

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/CoroutinesIT.kt

@@ -16,6 +16,8 @@
 
 package org.jetbrains.kotlin.gradle
 
+import org.jetbrains.kotlin.gradle.util.getFileByName
+import org.jetbrains.kotlin.gradle.util.modify
 import org.junit.Test
 import java.io.File
 
@@ -26,6 +28,24 @@ class CoroutinesIT: BaseGradleIT() {
         private const val GRADLE_PROPERTIES = "gradle.properties"
     }
 
+    @Test
+    fun testCoroutinesProjectDSL() {
+        val project = Project("coroutinesProjectDSL", GRADLE_VERSION)
+        project.build("assemble") {
+            assertSuccessful()
+            assertContains("-Xcoroutines=enable")
+        }
+
+        project.projectDir.getFileByName("build.gradle").modify {
+            it.replace("coroutines 'enable'", "coroutines 'error'")
+        }
+
+        project.build("assemble") {
+            assertFailed()
+            assertContains("-Xcoroutines=error")
+        }
+    }
+
     @Test
     fun testCoroutinesJvmEnabled() {
         jvmProject.doTest("enable", GRADLE_PROPERTIES)

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/coroutinesProjectDSL/build.gradle

@@ -0,0 +1,25 @@
+buildscript {
+    repositories {
+        mavenLocal()
+    }
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+apply plugin: "kotlin"
+
+repositories {
+    mavenLocal()
+    mavenCentral()
+}
+
+kotlin {
+    experimental {
+        coroutines 'enable'
+    }
+}
+
+dependencies {
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/coroutinesProjectDSL/gradle.properties

@@ -0,0 +1 @@
+org.gradle.jvmargs=-Xmx1024m -XX:MaxPermSize=512m

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/coroutinesProjectDSL/src/main/kotlin/main.kt

@@ -0,0 +1 @@
+suspend fun <T> suspendCoroutine(): T = TODO()