Support if instructions in WASM backend

1 files changed, 34 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/backends/wasm/WasmCodeGenIfTests.java b/src/test/java/org/shedlang/compiler/backends/wasm/WasmCodeGenIfTests.java
new file mode 100644
index 00000000..82c034a5
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/backends/wasm/WasmCodeGenIfTests.java
@@ -0,0 +1,34 @@
+package org.shedlang.compiler.backends.wasm;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.shedlang.compiler.stackir.instructions.Instructions;
+import org.shedlang.compiler.testing.snapshots.SnapshotResolver;
+import org.shedlang.compiler.testing.snapshots.Snapshotter;
+
+import java.io.IOException;
+import java.util.List;
+
+import static org.shedlang.compiler.backends.wasm.WasmCodeGenTesting.objdumpContext;
+
+@ExtendWith({SnapshotResolver.class})
+public class WasmCodeGenIfTests {
+    @Test
+    public void ifIsCompiledToWasmIf(Snapshotter snapshotter) throws IOException, InterruptedException {
+        var instruction = Instructions.if_(
+            List.of(
+                Instructions.pushInt(1),
+                Instructions.pushInt(2)
+            ),
+            List.of(
+                Instructions.pushInt(101),
+                Instructions.pushInt(102)
+            )
+        );
+        var context = WasmCodeGenContext.EMPTY;
+
+        var result = WasmCodeGen.generateInstruction(instruction, context);
+
+        snapshotter.assertSnapshot(objdumpContext(result));
+    }
+}