Add tests for serializing Wasm block types

1 files changed, 60 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 5898b350..06e8f0ea 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
@@ -1,5 +1,6 @@
 package org.shedlang.compiler.backends.wasm.structure.binary;
 
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.shedlang.compiler.backends.wasm.structure.ast.instructions.*;
@@ -18,6 +19,65 @@ import static org.shedlang.compiler.backends.wasm.structure.binary.WasmBinaryFor
 @ExtendWith({SnapshotResolver.class})
 public class WasmBinaryFormatInstructionsTests {
 
+    // == Control Instructions ==
+
+    @Test
+    public void canSerializeBlockTypeEmpty(Snapshotter snapshotter) throws IOException, InterruptedException {
+        var instructions = List.of(
+            new WasmI32Const(0),
+            new WasmIf(
+                WasmBlockType.of(),
+                List.of(),
+                List.of()
+            )
+        );
+
+        var result = serializeInstructions(instructions);
+
+        snapshotter.assertSnapshot(result);
+    }
+
+    @Test
+    public void canSerializeBlockTypeSingleValue(Snapshotter snapshotter) throws IOException, InterruptedException {
+        var instructions = List.of(
+            new WasmI32Const(0),
+            new WasmIf(
+                WasmBlockType.of(WasmValueType.I64),
+                List.of(new WasmI64Const(0)),
+                List.of(new WasmI64Const(1))
+            ),
+            new WasmDrop()
+        );
+
+        var result = serializeInstructions(instructions);
+
+        snapshotter.assertSnapshot(result);
+    }
+
+    @Test
+    @Disabled("WIP")
+    public void canSerializeBlockTypeMultipleValues(Snapshotter snapshotter) throws IOException, InterruptedException {
+        var instructions = List.of(
+            new WasmI32Const(0),
+            new WasmIf(
+                WasmBlockType.of(WasmValueType.I64, WasmValueType.I32),
+                List.of(
+                    new WasmI64Const(0),
+                    new WasmI32Const(0)
+                ),
+                List.of(
+                    new WasmI64Const(1),
+                    new WasmI32Const(1)
+                )
+            ),
+            new WasmDrop()
+        );
+
+        var result = serializeInstructions(instructions);
+
+        snapshotter.assertSnapshot(result);
+    }
+
     // == Memory Instructions ==
 
     @Test