From 7785c220bcef000aedfbe2b9c95a32272786f370 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 21 Mar 2026 15:36:58 +0000
Subject: Serialize Patio operands to Protobuf

---
 .../patio/protobuf/PatioToProtobufTests.java       | 80 ++++++++++++++++++++++
 1 file changed, 80 insertions(+)

(limited to 'src/test/java')

diff --git a/src/test/java/org/shedlang/compiler/patio/protobuf/PatioToProtobufTests.java b/src/test/java/org/shedlang/compiler/patio/protobuf/PatioToProtobufTests.java
index 35ec4221..03ded426 100644
--- a/src/test/java/org/shedlang/compiler/patio/protobuf/PatioToProtobufTests.java
+++ b/src/test/java/org/shedlang/compiler/patio/protobuf/PatioToProtobufTests.java
@@ -2,6 +2,7 @@ package org.shedlang.compiler.patio.protobuf;
 
 import org.junit.jupiter.api.Test;
 import org.shedlang.compiler.patio.PatioFunctionDeclaration;
+import org.shedlang.compiler.patio.PatioTesting;
 import org.shedlang.compiler.patio.PatioVisibility;
 import org.shedlang.compiler.patio.instructions.Patio;
 import org.shedlang.compiler.patio.types.PatioDataLayouts;
@@ -96,6 +97,85 @@ public class PatioToProtobufTests {
         assertThat(deserializedElement, equalTo(element));
     }
 
+    // == Operands ==
+
+    @Test
+    public void canSerializeBoolConst() {
+        var operand = Patio.boolConst(true);
+
+        var deserializedOperand = PatioToProtobuf.deserializeOperand(
+            PatioToProtobuf.serializeOperand(operand)
+        );
+
+        assertThat(deserializedOperand, equalTo(operand));
+    }
+
+    @Test
+    public void canSerializeByteConst() {
+        var operand = Patio.byteConst((byte) 42);
+
+        var deserializedOperand = PatioToProtobuf.deserializeOperand(
+            PatioToProtobuf.serializeOperand(operand)
+        );
+
+        assertThat(deserializedOperand, equalTo(operand));
+    }
+
+    @Test
+    public void canSerializeDataPtrConst() {
+        var operand = Patio.dataPtrConst("x");
+
+        var deserializedOperand = PatioToProtobuf.deserializeOperand(
+            PatioToProtobuf.serializeOperand(operand)
+        );
+
+        assertThat(deserializedOperand, equalTo(operand));
+    }
+
+    @Test
+    public void canSerializeFunctionPtrConst() {
+        var operand = Patio.functionPtrConst("x");
+
+        var deserializedOperand = PatioToProtobuf.deserializeOperand(
+            PatioToProtobuf.serializeOperand(operand)
+        );
+
+        assertThat(deserializedOperand, equalTo(operand));
+    }
+
+    @Test
+    public void canSerializeIntConst() {
+        var operand = Patio.intConst(42);
+
+        var deserializedOperand = PatioToProtobuf.deserializeOperand(
+            PatioToProtobuf.serializeOperand(operand)
+        );
+
+        assertThat(deserializedOperand, equalTo(operand));
+    }
+
+    @Test
+    public void canSerializeInt32Const() {
+        var operand = Patio.int32Const(42);
+
+        var deserializedOperand = PatioToProtobuf.deserializeOperand(
+            PatioToProtobuf.serializeOperand(operand)
+        );
+
+        assertThat(deserializedOperand, equalTo(operand));
+    }
+
+    @Test
+    public void canSerializeLocalRef() {
+        var operand = Patio.localRef("x");
+
+        var deserializedOperand = PatioToProtobuf.deserializeOperand(
+            PatioToProtobuf.serializeOperand(operand)
+        );
+
+        assertThat(deserializedOperand, equalTo(operand));
+    }
+
     // == Data ptr values ==
 
     @Test
-- 
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