Add support for i64.load instruction

1 files changed, 32 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 80a5b609..373ad37b 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
@@ -4,6 +4,9 @@ import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.shedlang.compiler.backends.wasm.structure.ast.instructions.*;
 import org.shedlang.compiler.backends.wasm.structure.ast.modules.*;
+import org.shedlang.compiler.backends.wasm.structure.ast.types.WasmIndexType;
+import org.shedlang.compiler.backends.wasm.structure.ast.types.WasmLimits;
+import org.shedlang.compiler.backends.wasm.structure.ast.types.WasmMemoryType;
 import org.shedlang.compiler.backends.wasm.structure.ast.types.WasmValueType;
 import org.shedlang.compiler.testing.snapshots.SnapshotResolver;
 import org.shedlang.compiler.testing.snapshots.Snapshotter;
@@ -16,6 +19,34 @@ import static org.shedlang.compiler.backends.wasm.structure.binary.WasmBinaryFor
 @ExtendWith({SnapshotResolver.class})
 public class WasmBinaryFormatInstructionsTests {
 
+    // == Memory Instructions ==
+
+    @Test
+    public void canSerializeI32Load(Snapshotter snapshotter) throws IOException, InterruptedException {
+        var instructions = List.of(
+            new WasmI32Const(0),
+            new WasmI32Load(new WasmMemoryArg(128, WasmAlignment.NONE)),
+            new WasmDrop()
+        );
+
+        var result = serializeInstructions(instructions);
+
+        snapshotter.assertSnapshot(result);
+    }
+
+    @Test
+    public void canSerializeI64Load(Snapshotter snapshotter) throws IOException, InterruptedException {
+        var instructions = List.of(
+            new WasmI32Const(0),
+            new WasmI64Load(new WasmMemoryArg(128, WasmAlignment.NONE)),
+            new WasmDrop()
+        );
+
+        var result = serializeInstructions(instructions);
+
+        snapshotter.assertSnapshot(result);
+    }
+
     // == Numeric Instructions ==
 
     @Test
@@ -237,6 +268,7 @@ public class WasmBinaryFormatInstructionsTests {
         <? extends WasmInstruction> instructions
     ) throws IOException, InterruptedException {
         var module = WasmModule.EMPTY
+            .addMemory(new WasmMemory(new WasmMemoryType(WasmLimits.min32(0))))
             .addFunction(new WasmFunction(
                 "f",
                 List.of(),