From 18d63863c9485cce6c79ad27dde7a98e4794eea2 Mon Sep 17 00:00:00 2001
From: Alexey Andreev <konsoletyper@gmail.com>
Date: Wed, 23 Oct 2024 19:33:13 +0200
Subject: [PATCH] wasm gc: fix with passing JS objects to overlay methods of JS
 classes

---
 .../org/teavm/jso/impl/JSClassProcessor.java  |  3 +-
 .../java/org/teavm/jso/test/JSClassTest.java  | 63 +++++++++++++++++++
 2 files changed, 65 insertions(+), 1 deletion(-)
 create mode 100644 tests/src/test/java/org/teavm/jso/test/JSClassTest.java

diff --git a/jso/impl/src/main/java/org/teavm/jso/impl/JSClassProcessor.java b/jso/impl/src/main/java/org/teavm/jso/impl/JSClassProcessor.java
index a8ff0b206..1e31f3aeb 100644
--- a/jso/impl/src/main/java/org/teavm/jso/impl/JSClassProcessor.java
+++ b/jso/impl/src/main/java/org/teavm/jso/impl/JSClassProcessor.java
@@ -900,7 +900,8 @@ class JSClassProcessor {
                 Variable[] newArguments = new Variable[invoke.getArguments().size() + 1];
                 newArguments[0] = invoke.getInstance();
                 for (int i = 0; i < invoke.getArguments().size(); ++i) {
-                    newArguments[i + 1] = invoke.getArguments().get(i);
+                    newArguments[i + 1] = convertValue(invoke, invoke.getArguments().get(i),
+                            invoke.getMethod().parameterType(i + 1));
                 }
                 invoke.setArguments(newArguments);
                 invoke.setInstance(null);
diff --git a/tests/src/test/java/org/teavm/jso/test/JSClassTest.java b/tests/src/test/java/org/teavm/jso/test/JSClassTest.java
new file mode 100644
index 000000000..6849b5b23
--- /dev/null
+++ b/tests/src/test/java/org/teavm/jso/test/JSClassTest.java
@@ -0,0 +1,63 @@
+/*
+ *  Copyright 2024 Alexey Andreev.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.teavm.jso.test;
+
+import static org.junit.Assert.assertEquals;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.teavm.jso.JSBody;
+import org.teavm.jso.JSFunctor;
+import org.teavm.jso.JSObject;
+import org.teavm.junit.EachTestCompiledSeparately;
+import org.teavm.junit.OnlyPlatform;
+import org.teavm.junit.SkipJVM;
+import org.teavm.junit.TeaVMTestRunner;
+import org.teavm.junit.TestPlatform;
+
+@RunWith(TeaVMTestRunner.class)
+@SkipJVM
+@OnlyPlatform({ TestPlatform.JAVASCRIPT, TestPlatform.WEBASSEMBLY_GC})
+@EachTestCompiledSeparately
+public class JSClassTest {
+    @Test
+    public void passJSObjectToArgOfOverlayMethod() {
+        var c = C.create();
+        var result = c.bar(() -> "test");
+        assertEquals("bar,test", result);
+    }
+
+    static abstract class C implements JSObject {
+        private C() {
+        }
+
+        abstract String foo(String a, JSSupplier b);
+
+        String bar(JSSupplier b) {
+            return foo("bar", b);
+        }
+
+        @JSBody(script = ""
+                + "return {"
+                    + "foo: function(a, b) { return a + ',' + b(); }"
+                + "}")
+        static native C create();
+    }
+
+    @JSFunctor
+    interface JSSupplier extends JSObject {
+        String get();
+    }
+}