1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/java/org/shedlang/compiler/backends/wasm/structure/binary/WasmBinaryFormatInstructionsTests.java b/src/test/java/org/shedlang/compiler/backends/wasm/structure/binary/WasmBinaryFormatInstructionsTests.java
index 797c8275..4f94a130 100644
--- a/src/test/java/org/shedlang/compiler/backends/wasm/structure/binary/WasmBinaryFormatInstructionsTests.java
+++ b/src/test/java/org/shedlang/compiler/backends/wasm/structure/binary/WasmBinaryFormatInstructionsTests.java
@@ -33,6 +33,20 @@ public class WasmBinaryFormatInstructionsTests {
     }
 
     @Test
+    public void canSerializeI32Sub(Snapshotter snapshotter) throws IOException, InterruptedException {
+        var instructions = List.of(
+            new WasmI32Const(0),
+            new WasmI32Const(0),
+            new WasmI32Sub(),
+            new WasmDrop()
+        );
+
+        var result = serializeInstructions(instructions);
+
+        snapshotter.assertSnapshot(result);
+    }
+
+    @Test
     public void canSerializeI64Add(Snapshotter snapshotter) throws IOException, InterruptedException {
         var instructions = List.of(
             new WasmI64Const(0),
@@ -46,6 +60,20 @@ public class WasmBinaryFormatInstructionsTests {
         snapshotter.assertSnapshot(result);
     }
 
+    @Test
+    public void canSerializeI64Sub(Snapshotter snapshotter) throws IOException, InterruptedException {
+        var instructions = List.of(
+            new WasmI64Const(0),
+            new WasmI64Const(0),
+            new WasmI64Sub(),
+            new WasmDrop()
+        );
+
+        var result = serializeInstructions(instructions);
+
+        snapshotter.assertSnapshot(result);
+    }
+
     // == Exception Instructions (v3 proposal) ==
 
     @Test