From 69249d4c8d043e6348ecf797a2afa391726ab6d7 Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Tue, 26 Nov 2024 12:17:29 -0800
Subject: First cut function ptr type

---
 .../java/com/seaofnodes/simple/Chapter18Test.java  | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 chapter18/src/test/java/com/seaofnodes/simple/Chapter18Test.java

(limited to 'chapter18/src/test')

diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter18Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter18Test.java
new file mode 100644
index 00000000..2c6cca8c
--- /dev/null
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter18Test.java
@@ -0,0 +1,36 @@
+package com.seaofnodes.simple;
+
+import com.seaofnodes.simple.evaluator.Evaluator;
+import com.seaofnodes.simple.node.StopNode;
+import org.junit.Test;
+import org.junit.Ignore;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+public class Chapter18Test {
+
+    @Test
+    public void testJig() {
+        Parser parser = new Parser("""
+return 3.14;
+""");
+        StopNode stop = parser.parse().iterate();
+        assertEquals("return 3.14;", stop.toString());
+        assertEquals(3.14, Evaluator.evaluate(stop,  0));
+    }
+
+
+    // ---------------------------------------------------------------
+    @Test
+    public void testType0() {
+        Parser parser = new Parser("""
+{int -> int}? x2 = null; // null function ptr
+return x2;
+""");
+        StopNode stop = parser.parse().iterate();
+        assertEquals("return arg;", stop.toString());
+        assertEquals(0L, Evaluator.evaluate(stop, 0));
+    }
+
+
+}
-- 
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