Support parsing negative zero

1 files changed, 9 insertions, 2 deletions

diff --git a/src/test/java/org/shedlang/compiler/parser/ParserIntLiteralTests.java b/src/test/java/org/shedlang/compiler/parser/ParserIntLiteralTests.java
index f4865e1c..e45a51c7 100644
--- a/src/test/java/org/shedlang/compiler/parser/ParserIntLiteralTests.java
+++ b/src/test/java/org/shedlang/compiler/parser/ParserIntLiteralTests.java
@@ -8,8 +8,6 @@ import static org.shedlang.compiler.parser.ParserTesting.parseString;
 import static org.zwobble.precisely.AssertThat.assertThat;
 
 public class ParserIntLiteralTests {
-    // TODO: forbid negative zero?
-
     @Test
     public void canParseZero() {
         var source = "0";
@@ -20,6 +18,15 @@ public class ParserIntLiteralTests {
     }
 
     @Test
+    public void canParseNegativeZero() {
+        var source = "-0";
+
+        var node = parseString(source, Parser::parseTopLevelExpression);
+
+        assertThat(node, isUntypedIntLiteralNode(0));
+    }
+
+    @Test
     public void canParseSingleDigitPositiveInt() {
         var source = "7";