Add i64.add instruction

1 files changed, 24 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 a0541da0..fd2c6f1e 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
@@ -15,6 +15,30 @@ import static org.shedlang.compiler.backends.wasm.structure.binary.WasmBinaryFor
 
 @ExtendWith({SnapshotResolver.class})
 public class WasmBinaryFormatInstructionsTests {
+
+    // == Numeric Instructions ==
+
+    @Test
+    public void canSerializeI64Add(Snapshotter snapshotter) throws IOException, InterruptedException {
+        var module = WasmModule.EMPTY
+            .addFunction(new WasmFunction(
+                "f",
+                List.of(),
+                List.of(),
+                List.of(),
+                new WasmExpression(List.of(
+                    new WasmI64Const(0),
+                    new WasmI64Const(0),
+                    new WasmI64Add(),
+                    new WasmDrop()
+                ))
+            ));
+
+        var result = serializeModuleWasm32(module);
+
+        snapshotter.assertSnapshot(result);
+    }
+
     // == Exception Instructions (v3 proposal) ==
 
     @Test