Parse empty effect definitions

1 files changed, 24 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/parser/ParserEffectDefinitionTests.java b/src/test/java/org/shedlang/compiler/parser/ParserEffectDefinitionTests.java
new file mode 100644
index 00000000..e697c542
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/parser/ParserEffectDefinitionTests.java
@@ -0,0 +1,24 @@
+package org.shedlang.compiler.parser;
+
+import org.junit.jupiter.api.Test;
+
+import static org.shedlang.compiler.ast.untyped.UntypedNodeMatchers.isUntypedEffectDefinitionNode;
+import static org.shedlang.compiler.parser.ParserTesting.parseString;
+import static org.zwobble.precisely.AssertThat.assertThat;
+
+public class ParserEffectDefinitionTests {
+    @Test
+    public void canParseEffectWithNoFunctions() {
+        var source = """
+            effect State {
+            }""";
+
+        var node = parseString(source, Parser::parseNamespaceStatement);
+
+        assertThat(
+            node,
+            isUntypedEffectDefinitionNode()
+                .withName("State")
+        );
+    }
+}