Add datasegments to WASM binary format

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 bab17edd..1979dee8 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
@@ -271,6 +271,28 @@ public class WasmBinaryFormatModuleTests {
     }
 
     @Test
+    public void canSerializeModuleWithDataSegments(Snapshotter snapshotter) throws IOException, InterruptedException {
+        var module = WasmModule.EMPTY
+            .addMemory(new WasmMemory(new WasmMemoryType(WasmLimits.min(10))))
+            .addDataSegment(new WasmDataSegment(
+                ".data",
+                new byte[] { 1, 2, 3, 4 },
+                new WasmExpression(List.of(new WasmI32Const(0))),
+                WasmAlignment.ALIGN_32_BIT
+            ))
+            .addDataSegment(new WasmDataSegment(
+                ".rodata",
+                new byte[] { 4, 5, 6, 7 },
+                new WasmExpression(List.of(new WasmI32Const(4))),
+                WasmAlignment.NONE
+            ));
+
+        var result = serializeModule(module);
+
+        snapshotter.assertSnapshot(result);
+    }
+
+    @Test
     public void canSerializeModuleWithInitFuncs(Snapshotter snapshotter) throws IOException, InterruptedException {
         var module = WasmModule.EMPTY
             .addFunction(new WasmFunction(