Support int-sub in Patio code gen

1 files changed, 28 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/patio/PatioCodeGenIntSubTests.java b/src/test/java/org/shedlang/compiler/patio/PatioCodeGenIntSubTests.java
new file mode 100644
index 00000000..9c0ccae9
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/patio/PatioCodeGenIntSubTests.java
@@ -0,0 +1,28 @@
+package org.shedlang.compiler.patio;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.shedlang.compiler.patio.ast.operands.PatioLocalRef;
+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.patio.PatioTesting.serialize;
+
+@ExtendWith({SnapshotResolver.class})
+public class PatioCodeGenIntSubTests {
+    @Test
+    public void canGenerateCodeForIntSub(Snapshotter snapshotter) throws IOException {
+        var stackIr = Instructions.intSub();
+        var context = PatioCodeGenContext.EMPTY
+            .temporaryPush(new PatioLocalRef("a"))
+            .temporaryPush(new PatioLocalRef("b"))
+            .temporaryPush(new PatioLocalRef("c"));
+
+        var result = PatioCodeGen.generateInstruction(stackIr, context);
+
+        snapshotter.assertSnapshot(serialize(result));
+    }
+}