[librsvg: 12/28] path_parser: Test that we detect broken/incomplete numbers when parsing

[Federico Mena Quintero <federico src gnome org>]

commit 1b871fd28d4efd8b8912545426a561150e612fe2
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Jan 23 10:16:21 2018 -0600

    path_parser: Test that we detect broken/incomplete numbers when parsing

 rust/src/path_parser.rs | 43 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)
---
diff --git a/rust/src/path_parser.rs b/rust/src/path_parser.rs
index 7251244..10cecfd 100644
--- a/rust/src/path_parser.rs
+++ b/rust/src/path_parser.rs
@@ -254,8 +254,10 @@ impl<'b> PathParser<'b> {
 
                         assert! (self.match_char (c));
                     }
-                } else {
+                } else if self.lookahead.is_some() {
                     return Err(self.error(ErrorKind::UnexpectedToken));
+                } else {
+                    return Err(self.error(ErrorKind::UnexpectedEof));
                 }
             }
 
@@ -1053,6 +1055,45 @@ mod tests {
                      None);
     }
 
+    #[test]
+    fn detects_bogus_numbers() {
+        test_parser("M+",
+                    "  ^",
+                    &vec![],
+                    Some(ErrorKind::UnexpectedEof));
+
+        test_parser("M-",
+                    "  ^",
+                    &vec![],
+                    Some(ErrorKind::UnexpectedEof));
+
+        test_parser("M+x",
+                    "  ^",
+                    &vec![],
+                    Some(ErrorKind::UnexpectedToken));
+
+        test_parser("M10e",
+                    "    ^",
+                    &vec![],
+                    Some(ErrorKind::UnexpectedEof));
+
+        test_parser("M10ex",
+                    "    ^",
+                    &vec![],
+                    Some(ErrorKind::UnexpectedToken));
+
+        test_parser("M10e-",
+                    "     ^",
+                    &vec![],
+                    Some(ErrorKind::UnexpectedEof));
+
+        test_parser("M10e+x",
+                    "     ^",
+                    &vec![],
+                    Some(ErrorKind::UnexpectedToken));
+
+    }
+
     #[test]
     fn handles_numbers_with_comma () {
         test_parser ("M 10, 20",