From 608b3387dfc2da8e8f644521a26c60755e18b52b Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Fri, 28 Jul 2023 21:33:16 +0100
Subject: Parse var statements

---
 .../compiler/ast/untyped/UntypedNodeMatchers.java   | 11 +++++++++++
 .../shedlang/compiler/parser/ParserVarTests.java    | 21 +++++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 src/test/java/org/shedlang/compiler/parser/ParserVarTests.java

(limited to 'src/test/java')

diff --git a/src/test/java/org/shedlang/compiler/ast/untyped/UntypedNodeMatchers.java b/src/test/java/org/shedlang/compiler/ast/untyped/UntypedNodeMatchers.java
index 8ea1e13b..0f9bc3a2 100644
--- a/src/test/java/org/shedlang/compiler/ast/untyped/UntypedNodeMatchers.java
+++ b/src/test/java/org/shedlang/compiler/ast/untyped/UntypedNodeMatchers.java
@@ -197,4 +197,15 @@ public class UntypedNodeMatchers {
             has("expression", x -> x.expression(), expression)
         );
     }
+
+    public static Matcher<UntypedNode> isUntypedVarNode(
+        Matcher<UntypedTargetNode> target,
+        Matcher<UntypedExpressionNode> expression
+    ) {
+        return instanceOf(
+            UntypedVarNode.class,
+            has("target", x -> x.target(), target),
+            has("expression", x -> x.expression(), expression)
+        );
+    }
 }
diff --git a/src/test/java/org/shedlang/compiler/parser/ParserVarTests.java b/src/test/java/org/shedlang/compiler/parser/ParserVarTests.java
new file mode 100644
index 00000000..74649cc7
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/parser/ParserVarTests.java
@@ -0,0 +1,21 @@
+package org.shedlang.compiler.parser;
+
+import org.junit.jupiter.api.Test;
+
+import static org.shedlang.compiler.ast.untyped.UntypedNodeMatchers.*;
+import static org.shedlang.compiler.parser.ParserTesting.parseString;
+import static org.zwobble.precisely.AssertThat.assertThat;
+
+public class ParserVarTests {
+    @Test
+    public void canParseVarAsFunctionStatement() {
+        var source = "var x = y;";
+
+        var node = parseString(source, Parser::parseFunctionStatement);
+
+        assertThat(node, isUntypedVarNode(
+            isUntypedTargetVariableNode("x"),
+            isUntypedReferenceNode("y")
+        ));
+    }
+}
-- 
cgit v1.2.3