[librsvg: 20/43] Remove the is_*_error() functions for tests

[Federico Mena Quintero <federico src gnome org>]

commit dc99be7203dcf4c88ba7390dce8845babbce2052
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Dec 20 12:36:36 2019 -0600

    Remove the is_*_error() functions for tests

 rsvg_internals/src/error.rs     | 16 ----------------
 rsvg_internals/src/marker.rs    | 20 +++++---------------
 rsvg_internals/src/transform.rs |  2 +-
 3 files changed, 6 insertions(+), 32 deletions(-)
---
diff --git a/rsvg_internals/src/error.rs b/rsvg_internals/src/error.rs
index 90c028b2..c831c153 100644
--- a/rsvg_internals/src/error.rs
+++ b/rsvg_internals/src/error.rs
@@ -367,19 +367,3 @@ impl From<glib::Error> for LoadingError {
         LoadingError::Glib(e)
     }
 }
-
-#[cfg(test)]
-pub fn is_parse_error<T>(r: &Result<T, ValueErrorKind>) -> bool {
-    match *r {
-        Err(ValueErrorKind::Parse(_)) => true,
-        _ => false,
-    }
-}
-
-#[cfg(test)]
-pub fn is_value_error<T>(r: &Result<T, ValueErrorKind>) -> bool {
-    match *r {
-        Err(ValueErrorKind::Value(_)) => true,
-        _ => false,
-    }
-}
diff --git a/rsvg_internals/src/marker.rs b/rsvg_internals/src/marker.rs
index 5af9193c..ec6939b6 100644
--- a/rsvg_internals/src/marker.rs
+++ b/rsvg_internals/src/marker.rs
@@ -805,12 +805,8 @@ mod parser_tests {
 
     #[test]
     fn parsing_invalid_marker_units_yields_error() {
-        assert!(is_parse_error(
-            &MarkerUnits::parse_str("").map_err(|e| ValueErrorKind::from(e))
-        ));
-        assert!(is_parse_error(
-            &MarkerUnits::parse_str("foo").map_err(|e| ValueErrorKind::from(e))
-        ));
+        assert!(MarkerUnits::parse_str("").is_err());
+        assert!(MarkerUnits::parse_str("foo").is_err());
     }
 
     #[test]
@@ -827,15 +823,9 @@ mod parser_tests {
 
     #[test]
     fn parsing_invalid_marker_orient_yields_error() {
-        assert!(is_parse_error(
-            &MarkerOrient::parse_str("").map_err(|e| ValueErrorKind::from(e))
-        ));
-        assert!(is_parse_error(
-            &MarkerOrient::parse_str("blah").map_err(|e| ValueErrorKind::from(e))
-        ));
-        assert!(is_parse_error(
-            &MarkerOrient::parse_str("45blah").map_err(|e| ValueErrorKind::from(e))
-        ));
+        assert!(MarkerOrient::parse_str("").is_err());
+        assert!(MarkerOrient::parse_str("blah").is_err());
+        assert!(MarkerOrient::parse_str("45blah").is_err());
     }
 
     #[test]
diff --git a/rsvg_internals/src/transform.rs b/rsvg_internals/src/transform.rs
index 71b7bd65..6d67ebd5 100644
--- a/rsvg_internals/src/transform.rs
+++ b/rsvg_internals/src/transform.rs
@@ -220,7 +220,7 @@ mod tests {
     }
 
     fn assert_parse_error(s: &str) {
-        assert!(is_parse_error(&parse_transform(s)));
+        assert!(parse_transform(s).is_err());
     }
 
     #[test]