Test Lexer with empty input

2019-08-06 19:42:03 +02:00 · 2019-08-06 19:42:03 +02:00 · 86c7da8c81
commit 86c7da8c81
parent aeb0388925
1 changed files with 9 additions and 0 deletions
--- a/core/src/test/java/it/cavallium/warppi/math/rules/dsl/frontend/LexerTest.java
+++ b/core/src/test/java/it/cavallium/warppi/math/rules/dsl/frontend/LexerTest.java
@ -20,6 +20,15 @@ public class LexerTest {
 		errors.clear();
 	}

+	@Test
+	public void emptyInput() {
+		final Lexer lexer = new Lexer("", errors::add);
+		final List<Token> expected = Collections.singletonList(
+			new Token(EOF, "", 0)
+		);
+		assertEquals(expected, lexer.lex());
+	}
+
 	@Test
 	public void validRule() {
 		final Lexer lexer = new Lexer(