Add tuple-create instruction

2 files changed, 13 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/stackir/InstructionSerializerTests.java b/src/test/java/org/shedlang/compiler/stackir/InstructionSerializerTests.java
index b8a45a0b..84df6b84 100644
--- a/src/test/java/org/shedlang/compiler/stackir/InstructionSerializerTests.java
+++ b/src/test/java/org/shedlang/compiler/stackir/InstructionSerializerTests.java
@@ -286,6 +286,15 @@ public class InstructionSerializerTests {
     }
 
     @Test
+    public void canSerializeTupleCreate() {
+        var instruction = Instructions.tupleCreate(2);
+
+        var string = serialize(instruction);
+
+        assertThat(string, equalTo("(tuple-create 2)"));
+    }
+
+    @Test
     public void canSerializeVarLoad() {
         var instruction = Instructions.varLoad("x");
 
diff --git a/src/test/java/org/shedlang/compiler/stackir/instructions/Instructions.java b/src/test/java/org/shedlang/compiler/stackir/instructions/Instructions.java
index ee48a1bd..90c95941 100644
--- a/src/test/java/org/shedlang/compiler/stackir/instructions/Instructions.java
+++ b/src/test/java/org/shedlang/compiler/stackir/instructions/Instructions.java
@@ -102,6 +102,10 @@ public class Instructions {
         return new StringAddInstruction(Sources.NULL);
     }
 
+    public static Instruction tupleCreate(int elementCount) {
+        return new TupleCreateInstruction(elementCount, Sources.NULL);
+    }
+
     public static Instruction varLoad(String name) {
         return new VarLoadInstruction(name, Sources.NULL);
     }