assertEquals("smb://server/share/file", a.getCanonicalURL());
    }

    @Test
    @DisplayName("Invalid path triggers RuntimeCIFSException during canonicalize")
    void testCanonicalizeInvalidPath() {
        SmbResourceLocatorImpl a = locator("smb:invalid-no-slash");
        // Any accessor that triggers canonicalizePath should throw
        assertThrows(RuntimeCIFSException.class, a::getURLPath);