From 2da889ad1a73415f0c5598bb79d4c2e95215fe3c Mon Sep 17 00:00:00 2001
From: Igor Chevdar <igor.chevdar@jetbrains.com>
Date: Wed, 13 May 2020 11:26:09 +0500
Subject: [PATCH] Added test on suspend conversions

---
 backend.native/tests/build.gradle             |  6 +++++
 .../codegen/coroutines/suspendConversion.kt   | 27 +++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 backend.native/tests/codegen/coroutines/suspendConversion.kt

diff --git a/backend.native/tests/build.gradle b/backend.native/tests/build.gradle
index dcd400fe26f..afa32deb940 100644
--- a/backend.native/tests/build.gradle
+++ b/backend.native/tests/build.gradle
@@ -1806,6 +1806,12 @@ task coroutines_functionReference_lambdaAsSuspendLambda(type: KonanLocalTest) {
     source = "codegen/coroutines/functionReference_lambdaAsSuspendLambda.kt"
 }
 
+standaloneTest('coroutines_suspendConversion') {
+    goldValue = ""
+    source = "codegen/coroutines/suspendConversion.kt"
+    flags = ['-XXLanguage:+SuspendConversion']
+}
+
 task AbstractMutableCollection(type: KonanLocalTest) {
     expectedExitStatus = 0
     source = "runtime/collections/AbstractMutableCollection.kt"
diff --git a/backend.native/tests/codegen/coroutines/suspendConversion.kt b/backend.native/tests/codegen/coroutines/suspendConversion.kt
new file mode 100644
index 00000000000..12c66352e7e
--- /dev/null
+++ b/backend.native/tests/codegen/coroutines/suspendConversion.kt
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+import kotlin.test.*
+
+import kotlin.coroutines.*
+import kotlin.coroutines.intrinsics.*
+
+open class EmptyContinuation(override val context: CoroutineContext = EmptyCoroutineContext) : Continuation<Any?> {
+    companion object : EmptyContinuation()
+    override fun resumeWith(result: Result<Any?>) { result.getOrThrow() }
+}
+
+fun builder(c: suspend () -> Unit) {
+    c.startCoroutine(EmptyContinuation)
+}
+
+fun main() {
+    var result = 0
+
+    val f: () -> Unit = { result = 42 }
+    builder(f)
+
+    assertEquals(42, result)
+}
\ No newline at end of file