From 6b0e8c55ad423aef60720ee4b3bb455de74f25f3 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 2 Dec 2023 23:48:28 +0000
Subject: Parse break statements

---
 .../compiler/ast/untyped/UntypedNodeMatchers.java  |  9 +++++++
 .../shedlang/compiler/parser/ParserBreakTests.java | 31 ++++++++++++++++++++++
 .../compiler/parser/ParserResumeTests.java         |  2 +-
 3 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 src/test/java/org/shedlang/compiler/parser/ParserBreakTests.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 41c51713..32f1d085 100644
--- a/src/test/java/org/shedlang/compiler/ast/untyped/UntypedNodeMatchers.java
+++ b/src/test/java/org/shedlang/compiler/ast/untyped/UntypedNodeMatchers.java
@@ -69,6 +69,15 @@ public class UntypedNodeMatchers {
         );
     }
 
+    public static Matcher<UntypedFunctionStatementNode> isUntypedBreakNode(
+        Matcher<Optional<? extends UntypedExpressionNode>> expression
+    ) {
+        return instanceOf(
+            UntypedBreakNode.class,
+            has("expression", x -> x.expression(), expression)
+        );
+    }
+
     public static UntypedCallNodeMatcher isUntypedCallNode() {
         return UntypedCallNodeMatcher.empty();
     }
diff --git a/src/test/java/org/shedlang/compiler/parser/ParserBreakTests.java b/src/test/java/org/shedlang/compiler/parser/ParserBreakTests.java
new file mode 100644
index 00000000..53031e21
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/parser/ParserBreakTests.java
@@ -0,0 +1,31 @@
+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;
+import static org.zwobble.precisely.Matchers.isOptionalEmpty;
+import static org.zwobble.precisely.Matchers.isOptionalOf;
+
+public class ParserBreakTests {
+    @Test
+    public void canParseBreakWithExpression() {
+        var source = "break x;";
+
+        var node = parseString(source, Parser::parseFunctionStatement);
+
+        assertThat(node, isUntypedBreakNode(isOptionalOf(
+            isUntypedReferenceNode("x"))
+        ));
+    }
+
+    @Test
+    public void canParseBreakWithoutExpression() {
+        var source = "break;";
+
+        var node = parseString(source, Parser::parseFunctionStatement);
+
+        assertThat(node, isUntypedBreakNode(isOptionalEmpty()));
+    }
+}
diff --git a/src/test/java/org/shedlang/compiler/parser/ParserResumeTests.java b/src/test/java/org/shedlang/compiler/parser/ParserResumeTests.java
index 8e134656..876cf5a7 100644
--- a/src/test/java/org/shedlang/compiler/parser/ParserResumeTests.java
+++ b/src/test/java/org/shedlang/compiler/parser/ParserResumeTests.java
@@ -8,7 +8,7 @@ import static org.zwobble.precisely.AssertThat.assertThat;
 import static org.zwobble.precisely.Matchers.isOptionalEmpty;
 import static org.zwobble.precisely.Matchers.isOptionalOf;
 
-public class ParserFunctionResumeTests {
+public class ParserResumeTests {
     @Test
     public void canParseResumeWithExpression() {
         var source = "resume x;";
-- 
cgit v1.2.3