diff --git a/container/src/root/test/unit/utility.hh b/container/src/root/test/unit/utility.hh
index 96791a9..ce9f42e 100644
--- a/container/src/root/test/unit/utility.hh
+++ b/container/src/root/test/unit/utility.hh
@@ -564,6 +564,25 @@ TEST_F(PluggablePath, InvalidFamily)
       Path path("custom/incomplete/incomplete"), common::type::RuntimeError);
 }
 
+TEST_F(PluggablePath, InvalidCharacters)
+{
+  ASSERT_THROW(Path path("repo/no spaces/a.file"), common::type::RuntimeError);
+  ASSERT_THROW(
+      Path path("custom/no spaces/a.file"), common::type::RuntimeError);
+
+  ASSERT_THROW(Path path("repo/'no_ticks'/a.file"), common::type::RuntimeError);
+  ASSERT_THROW(
+      Path path("custom/'no_ticks'/a.file"), common::type::RuntimeError);
+
+  ASSERT_THROW(Path path("repo/any/@a.file"), common::type::RuntimeError);
+  ASSERT_THROW(Path path("custom/any/@a.file"), common::type::RuntimeError);
+
+  ASSERT_THROW(
+      Path path("repo/bad\\ slash/a.file"), common::type::RuntimeError);
+  ASSERT_THROW(
+      Path path("custom/bad\\ slash/a.file"), common::type::RuntimeError);
+}
+
 TEST_F(PluggablePath, Base)
 {
   ASSERT_EQ(m_repo().repo(), kRepoBase);