Parse number

1 files changed, 24 insertions, 0 deletions

diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserNumberTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserNumberTests.java
new file mode 100644
index 0000000..92f11ee
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserNumberTests.java
@@ -0,0 +1,24 @@
+package org.zwobble.hobgoblin.compiler.parser;
+
+import org.junit.jupiter.api.Test;
+
+import java.math.BigDecimal;
+
+import static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNumberLiteralNodeMatcher.isUntypedNumberLiteralNode;
+import static org.zwobble.hobgoblin.compiler.parser.ParserTesting.parseString;
+import static org.zwobble.precisely.AssertThat.assertThat;
+import static org.zwobble.precisely.Matchers.equalTo;
+
+public class ParserNumberTests {
+    @Test
+    public void canParseNumber() {
+        var source = "42";
+
+        var node = parseString(source, Parser::parseTopLevelExpression);
+
+        assertThat(node, isUntypedNumberLiteralNode()
+            .withValue(equalTo(BigDecimal.valueOf(42)))
+        );
+    }
+}
+