From f79607d32dcd525d1219f74163ac3d8b5dc00196 Mon Sep 17 00:00:00 2001
From: Svyatoslav Kuzmich <svyatoslav.kuzmich@jetbrains.com>
Date: Fri, 17 Feb 2023 16:35:59 +0100
Subject: [PATCH] [Wasm] Add @JsExport diagnostics test

@JsExport is only allowed on top-level functions in K/Wasm

Restrictions for nested function are handled by reusing K/JS diagnostics
Restrictions for classes and properties are handled by specifying
 annotation target in stdlib
---
 .../wasmTests/jsInterop/jsExport.kt           | 25 +++++++++++++++++++
 .../DiagnosticsWasmTestGenerated.java         |  6 +++++
 2 files changed, 31 insertions(+)
 create mode 100644 compiler/testData/diagnostics/wasmTests/jsInterop/jsExport.kt

diff --git a/compiler/testData/diagnostics/wasmTests/jsInterop/jsExport.kt b/compiler/testData/diagnostics/wasmTests/jsInterop/jsExport.kt
new file mode 100644
index 00000000000..f255fc9e48e
--- /dev/null
+++ b/compiler/testData/diagnostics/wasmTests/jsInterop/jsExport.kt
@@ -0,0 +1,25 @@
+// !OPT_IN: kotlin.js.ExperimentalJsExport
+
+@JsExport
+fun foo1() {
+}
+
+class C {
+    <!NESTED_JS_EXPORT!>@JsExport<!>
+    fun memberFunction() {
+    }
+}
+
+fun foo2() {
+    <!NESTED_JS_EXPORT!>@JsExport<!>
+    fun localFun() {
+    }
+}
+
+val p1 = (<!NESTED_JS_EXPORT!>@JsExport<!> fun () {})
+
+<!WRONG_ANNOTATION_TARGET!>@JsExport<!>
+class C2
+
+<!WRONG_ANNOTATION_TARGET!>@JsExport<!>
+var p2: Int = 1
diff --git a/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/diagnostics/DiagnosticsWasmTestGenerated.java b/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/diagnostics/DiagnosticsWasmTestGenerated.java
index 217244e3c8d..e369db6eb8e 100644
--- a/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/diagnostics/DiagnosticsWasmTestGenerated.java
+++ b/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/diagnostics/DiagnosticsWasmTestGenerated.java
@@ -50,5 +50,11 @@ public class DiagnosticsWasmTestGenerated extends AbstractDiagnosticsWasmTest {
         public void testInheritance() throws Exception {
             runTest("compiler/testData/diagnostics/wasmTests/jsInterop/inheritance.kt");
         }
+
+        @Test
+        @TestMetadata("jsExport.kt")
+        public void testJsExport() throws Exception {
+            runTest("compiler/testData/diagnostics/wasmTests/jsInterop/jsExport.kt");
+        }
     }
 }