Fix func index in local names section

1 files changed, 22 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/backends/wasm/structure/WasmBinaryFormatModuleTests.java b/src/test/java/org/shedlang/compiler/backends/wasm/structure/WasmBinaryFormatModuleTests.java
index 5941c790..5495d798 100644
--- a/src/test/java/org/shedlang/compiler/backends/wasm/structure/WasmBinaryFormatModuleTests.java
+++ b/src/test/java/org/shedlang/compiler/backends/wasm/structure/WasmBinaryFormatModuleTests.java
@@ -92,6 +92,28 @@ public class WasmBinaryFormatModuleTests {
     }
 
     @Test
+    public void localNamesHaveCorrectFuncIndexWhenThereAreImportedFunctions(Snapshotter snapshotter) throws IOException, InterruptedException {
+        var module = WasmModule.EMPTY
+            .addFunction(new WasmFunction(
+                List.of(
+                    new WasmLocal("paramA", WasmValueType.F32)
+                ),
+                List.of(),
+                List.of(WasmValueType.I32),
+                List.of(new WasmI32Const(0))
+            ))
+            .addImport(new WasmImport(
+                "ModuleName1",
+                "EntityName1",
+                new WasmImportDescriptor.Func("Identifier1", new WasmFuncType(List.of(), List.of()))
+            ));
+
+        var result = serializeModule(module);
+
+        snapshotter.assertSnapshot(result);
+    }
+
+    @Test
     public void canSerializeModuleWithTableImports(Snapshotter snapshotter) throws IOException, InterruptedException {
         var module = WasmModule.EMPTY
             .addImport(new WasmImport(