Add tests for namespace examples

Author: joelparkerhenderson

tests/namespace_examples.rs

@@ -0,0 +1,24 @@
+//! Namespace examples.
+//! 
+//! This file has some simple demonstrations of how to use Assertables in
+//! validations by using a namespace, explicitly using the macro names.
+
+#[test]
+fn test_wildcard_namespace() {
+    use assertables::*;
+    assert_starts_with!("alfa", "al");
+}
+
+#[test]
+fn test_one_macro_namespace() {
+    use assertables::assert_starts_with;
+    assert_starts_with!("alfa", "al");
+}
+
+#[test]
+fn test_two_macro_namespace() {
+    use assertables::{assert_starts_with, assert_starts_with_as_result};
+    assert_starts_with!("alfa", "al");
+    assert!(assert_starts_with_as_result!("alfa", "al").is_ok());
+}
+