From 4ebb6355bd2481e844d07a649dce3daa2b9fa881 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 21 Mar 2026 11:25:08 +0000
Subject: Serialize Patio data layouts to Protobuf

---
 .../patio/protobuf/PatioToProtobufTests.java       | 101 +++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 src/test/java/org/shedlang/compiler/patio/protobuf/PatioToProtobufTests.java

(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
new file mode 100644
index 00000000..877d59cf
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/patio/protobuf/PatioToProtobufTests.java
@@ -0,0 +1,101 @@
+package org.shedlang.compiler.patio.protobuf;
+
+import org.junit.jupiter.api.Test;
+import org.shedlang.compiler.patio.types.PatioDataLayouts;
+
+import java.util.List;
+
+import static org.zwobble.precisely.AssertThat.assertThat;
+import static org.zwobble.precisely.Matchers.equalTo;
+
+public class PatioToProtobufTests {
+    // == Data layouts ==
+
+    @Test
+    public void canSerializeDataLayoutArray() {
+        var layout = PatioDataLayouts.array(PatioDataLayouts.INT, 4);
+
+        var deserializedLayout = PatioToProtobuf.deserializeDataLayout(
+            PatioToProtobuf.serializeDataLayout(layout)
+        );
+
+        assertThat(deserializedLayout, equalTo(layout));
+    }
+
+    @Test
+    public void canSerializeDataLayoutBool() {
+        var layout = PatioDataLayouts.BOOL;
+
+        var deserializedLayout = PatioToProtobuf.deserializeDataLayout(
+            PatioToProtobuf.serializeDataLayout(layout)
+        );
+
+        assertThat(deserializedLayout, equalTo(layout));
+    }
+
+    @Test
+    public void canSerializeDataLayoutByte() {
+        var layout = PatioDataLayouts.BYTE;
+
+        var deserializedLayout = PatioToProtobuf.deserializeDataLayout(
+            PatioToProtobuf.serializeDataLayout(layout)
+        );
+
+        assertThat(deserializedLayout, equalTo(layout));
+    }
+
+    @Test
+    public void canSerializeDataLayoutDataPtr() {
+        var layout = PatioDataLayouts.DATA_PTR;
+
+        var deserializedLayout = PatioToProtobuf.deserializeDataLayout(
+            PatioToProtobuf.serializeDataLayout(layout)
+        );
+
+        assertThat(deserializedLayout, equalTo(layout));
+    }
+
+    @Test
+    public void canSerializeDataLayoutFunctionPtr() {
+        var layout = PatioDataLayouts.FUNCTION_PTR;
+
+        var deserializedLayout = PatioToProtobuf.deserializeDataLayout(
+            PatioToProtobuf.serializeDataLayout(layout)
+        );
+
+        assertThat(deserializedLayout, equalTo(layout));
+    }
+
+    @Test
+    public void canSerializeDataLayoutInt() {
+        var layout = PatioDataLayouts.INT;
+
+        var deserializedLayout = PatioToProtobuf.deserializeDataLayout(
+            PatioToProtobuf.serializeDataLayout(layout)
+        );
+
+        assertThat(deserializedLayout, equalTo(layout));
+    }
+
+    @Test
+    public void canSerializeDataLayoutInt32() {
+        var layout = PatioDataLayouts.INT32;
+
+        var deserializedLayout = PatioToProtobuf.deserializeDataLayout(
+            PatioToProtobuf.serializeDataLayout(layout)
+        );
+
+        assertThat(deserializedLayout, equalTo(layout));
+    }
+
+    @Test
+    public void canSerializeDataLayoutStruct() {
+        var layout = PatioDataLayouts.struct(List.of(PatioDataLayouts.INT, PatioDataLayouts.INT, PatioDataLayouts.BYTE));
+
+        var deserializedLayout = PatioToProtobuf.deserializeDataLayout(
+            PatioToProtobuf.serializeDataLayout(layout)
+        );
+
+        assertThat(deserializedLayout, equalTo(layout));
+    }
+}
-- 
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