Add WASM code gen for push-string instruction

1 files changed, 36 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/backends/wasm/WasmCodeGenPushStringTests.java b/src/test/java/org/shedlang/compiler/backends/wasm/WasmCodeGenPushStringTests.java
new file mode 100644
index 00000000..79dd78d1
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/backends/wasm/WasmCodeGenPushStringTests.java
@@ -0,0 +1,36 @@
+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 static org.shedlang.compiler.backends.wasm.structure.WasmObjdump.objdump;
+
+@ExtendWith({SnapshotResolver.class})
+public class WasmCodeGenPushStringTests {
+    @Test
+    public void pushStringIsCompiledToDataAndIndexToData(Snapshotter snapshotter) throws IOException, InterruptedException {
+        var instruction = Instructions.pushString("hello");
+        var context = WasmCodeGenContext.EMPTY;
+
+        var result = WasmCodeGen.generateInstruction(instruction, context);
+
+        var module = result.toFunction().toModule();
+        snapshotter.assertSnapshot(objdump(module));
+    }
+
+    @Test
+    public void canHaveMultipleStrings(Snapshotter snapshotter) throws IOException, InterruptedException {
+        var context = WasmCodeGenContext.EMPTY;
+
+        var result = WasmCodeGen.generateInstruction(Instructions.pushString("hello"), context);
+        result = WasmCodeGen.generateInstruction(Instructions.pushString("world"), result);
+
+        var module = result.toFunction().toModule();
+        snapshotter.assertSnapshot(objdump(module));
+    }
+}