Type check named args

1 files changed, 29 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/typechecker/TypeCheckerCallTests.java b/src/test/java/org/shedlang/compiler/typechecker/TypeCheckerCallTests.java
index 379368a1..aa7e2bce 100644
--- a/src/test/java/org/shedlang/compiler/typechecker/TypeCheckerCallTests.java
+++ b/src/test/java/org/shedlang/compiler/typechecker/TypeCheckerCallTests.java
@@ -65,4 +65,33 @@ public class TypeCheckerCallTests {
                 )))
         );
     }
+
+    @Test
+    public void namedArgsAreTypedChecked() {
+        var untyped = Untyped.call(
+            Untyped.reference("f"),
+            List.of(),
+            List.of(
+                Untyped.namedArg("x", Untyped.stringLiteral("hello")),
+                Untyped.namedArg("y", Untyped.intLiteral(42))
+            )
+        );
+        var functionType = FunctionType.builder()
+            .addNamedParam("x", Types.STRING)
+            .addNamedParam("y", Types.INT)
+            .build();
+        var context = TypeCheckerContext.EMPTY
+            .enter(P.map(Map.entry("f", functionType)));
+
+        var typed = TypeChecker.typeCheckExpression(untyped, context);
+
+        assertThat(
+            typed,
+            isTypedCallNode()
+                .withArgs(isTypedArgsNode().withNamed(isSequence(
+                    isTypedNamedArgNode("x", isTypedStringLiteralNode("hello")),
+                    isTypedNamedArgNode("y", isTypedIntLiteralNode(42))
+                )))
+        );
+    }
 }