From 3bbcd38f0b76c2ea29b18cd671a0237bd0941123 Mon Sep 17 00:00:00 2001
From: Sergey Bogolepov <sergey.bogolepov@jetbrains.com>
Date: Wed, 6 May 2020 17:43:19 +0700
Subject: [PATCH] [Interop][Test] Add tests for pointers and arrays

---
 backend.native/tests/build.gradle                | 10 ++++++++++
 .../tests/interop/basics/arrayPointers.kt        | 16 ++++++++++++++++
 .../tests/interop/basics/carrayPointers.def      |  8 ++++++++
 3 files changed, 34 insertions(+)
 create mode 100644 backend.native/tests/interop/basics/arrayPointers.kt
 create mode 100644 backend.native/tests/interop/basics/carrayPointers.def

diff --git a/backend.native/tests/build.gradle b/backend.native/tests/build.gradle
index 9080910d320..dcd400fe26f 100644
--- a/backend.native/tests/build.gradle
+++ b/backend.native/tests/build.gradle
@@ -3473,6 +3473,10 @@ createInterop("cunion") {
     it.defFile 'interop/basics/cunion.def'
 }
 
+createInterop("carrayPointers") {
+    it.defFile 'interop/basics/carrayPointers.def'
+}
+
 createInterop("auxiliaryCppSources") {
     // We need to provide empty def file to create correct `KonanInteropTask`.
     it.defFile 'interop/auxiliary_sources/auxiliaryCppSources.def'
@@ -3728,6 +3732,12 @@ interopTest("interop_union") {
     source = "interop/basics/union.kt"
 }
 
+interopTest("interop_array_pointers") {
+    disabled = (project.testTarget == 'wasm32') // No interop for wasm yet.
+    interop = 'carrayPointers'
+    source = "interop/basics/arrayPointers.kt"
+}
+
 task interop_convert(type: KonanLocalTest) {
     source = "codegen/intrinsics/interop_convert.kt"
 }
diff --git a/backend.native/tests/interop/basics/arrayPointers.kt b/backend.native/tests/interop/basics/arrayPointers.kt
new file mode 100644
index 00000000000..06ea7067b47
--- /dev/null
+++ b/backend.native/tests/interop/basics/arrayPointers.kt
@@ -0,0 +1,16 @@
+import carrayPointers.*
+import kotlin.test.*
+import kotlinx.cinterop.*
+
+fun main() {
+    arrayPointer = globalArray
+    assertEquals(globalArray[0], arrayPointer!![0])
+    arrayPointer!![0] = 15
+    assertEquals(15, globalArray[0])
+
+    memScoped {
+        val struct = alloc<StructWithArrayPtr>()
+        struct.arrayPointer = globalArray
+        assertEquals(globalArray[0], struct.arrayPointer!![0])
+    }
+}
\ No newline at end of file
diff --git a/backend.native/tests/interop/basics/carrayPointers.def b/backend.native/tests/interop/basics/carrayPointers.def
new file mode 100644
index 00000000000..ddd358781ea
--- /dev/null
+++ b/backend.native/tests/interop/basics/carrayPointers.def
@@ -0,0 +1,8 @@
+---
+int (*arrayPointer)[1];
+
+int globalArray[3] = {1, 2, 3};
+
+struct StructWithArrayPtr {
+    int (*arrayPointer)[1];
+};
\ No newline at end of file