Add minimal Patio example

1 files changed, 19 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/patio/PatioExampleTests.java b/src/test/java/org/shedlang/compiler/patio/PatioExampleTests.java
index 893e93ef..41185d38 100644
--- a/src/test/java/org/shedlang/compiler/patio/PatioExampleTests.java
+++ b/src/test/java/org/shedlang/compiler/patio/PatioExampleTests.java
@@ -23,6 +23,25 @@ public abstract class PatioExampleTests {
     protected static final String FUNCTION_NAME = "run";
 
     @Test
+    public void intConstCreatesConstantIntValue() throws IOException, InterruptedException {
+        var patioFunction = PatioFunctionDefinition.builder()
+            .withName(FUNCTION_NAME)
+            .withReturnType(PatioTypes.VOID)
+            .addBodyInstruction(emitInt(Patio.intConst(42)))
+            .addBodyInstruction(Patio.returnVoid())
+            .build();
+        var patio = Patio.compilationUnit(List.of(
+            patioFunction
+        ));
+
+        var result = run(patio);
+
+        assertThat(result, isSequence(
+            isInt(42)
+        ));
+    }
+
+    @Test
     public void canLoadDataElementInt() throws IOException, InterruptedException {
         var patioDataElement = new PatioDataElementImmutableDefinition(
             "answer",