Compile native function declarations into Shid

1 files changed, 30 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/shid/ShidCodeGenNativeFunctionDeclarationTests.java b/src/test/java/org/shedlang/compiler/shid/ShidCodeGenNativeFunctionDeclarationTests.java
new file mode 100644
index 00000000..90304a57
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/shid/ShidCodeGenNativeFunctionDeclarationTests.java
@@ -0,0 +1,30 @@
+package org.shedlang.compiler.shid;
+
+import org.junit.jupiter.api.Test;
+import org.shedlang.compiler.ast.typed.TypedNativeFunctionDeclarationNode;
+import org.shedlang.compiler.shid.instructions.ShidDeclareNativeFunction;
+
+import static org.shedlang.compiler.shid.instructions.ShidMatchers.isShidLocalStore;
+import static org.zwobble.precisely.AssertThat.assertThat;
+import static org.zwobble.precisely.Matchers.*;
+
+public class ShidCodeGenNativeFunctionDeclarationTests {
+    @Test
+    public void nativeFunctionIsCompiledToDeclareNativeFunctionInstruction() {
+        var node = TypedNativeFunctionDeclarationNode.builder()
+            .withName("f")
+            .build();
+        var context = ShidCodeGen.Context.EMPTY
+            .addShedVal("f");
+
+        var result = ShidCodeGen.compileNamespaceStatement(node, context);
+
+        assertThat(result.instructions(), isSequence(
+            instanceOf(
+                ShidDeclareNativeFunction.class,
+                has("name", x -> x.name(), equalTo("f"))
+            ),
+            isShidLocalStore("f__0")
+        ));
+    }
+}