diff --git a/src/HiddenFiles.jl b/src/HiddenFiles.jl
index 0bfe883..33ca853 100644
--- a/src/HiddenFiles.jl
+++ b/src/HiddenFiles.jl
@@ -58,9 +58,9 @@ include("docs.jl")
         
         # https://github.com/dotnet/runtime/blob/5992145db2cb57956ee444aa0f0c2f3f85ee3673/src/native/libs/System.Native/pal_io.c#L219
         # https://github.com/davidkaya/corefx/blob/4fd3d39f831f3e14f311b0cdc0a33d662e684a9c/src/System.IO.FileSystem/src/System/IO/FileStatus.Unix.cs#L88
-        _isinvisible(f::AbstractString) = (_st_flags(f) & UF_HIDDEN) == UF_HIDDEN    
+        _isinvisible_st_flags(f::AbstractString) = (_st_flags(f) & UF_HIDDEN) == UF_HIDDEN    
         
-        _ishidden_bsd_related(f::AbstractString) = _ishidden_unix(f) || _isinvisible(f)
+        _ishidden_bsd_related(f::AbstractString) = _ishidden_unix(f) || _isinvisible_st_flags(f)
     end
     
     @static if Sys.isapple()  # macOS/Darwin
@@ -86,15 +86,24 @@ include("docs.jl")
         #   - `/tmp`—Contains temporary files created by apps and the system.
         #   - `/usr`—Contains non-essential command-line binaries, libraries, header files, and other data.
         #   - `/var`—Contains log files and other files whose content is variable. (Log files are typically viewed using the Console app.)
-        # TODO
-        _issystemfile(f::AbstractString) = false
+        _issystemdir(f::AbstractString) = false # TODO
+        
+        # This _isinvisible function seems to capture some cases (e.g., `/tmp`) that the other _isinvisible function does not
+        function _isinvisible_macos_item_info(f::AbstractString, str_encoding::Unsigned = CF_STRING_ENCODING, path_style::Integer = K_CF_URL_POSIX_PATH_STYLE)
+            cfstr = _cfstring_create_with_cstring(f, str_encoding)
+            url_ref = _cf_url_create_with_file_system_path(cfstr, isdir(f))
+            item_info = _ls_copy_item_info_for_url(url_ref, K_IS_INVISIBLE)
+            return !iszero(item_info[1] & K_IS_INVISIBLE)
+        end
         
         
         #=== Case 3: Explicitly hidden files and directories ===#
         # The Finder may hide specific files or directories that should not be accessed directly by the user.  The most notable example of 
         # this is the /Volumes directory, which contains a subdirectory for each mounted disk in the local file system from the command line. 
         # (The Finder provides a different user interface for accessing local disks.)  In macOS 10.7 and later, the Finder also hides the
-        # `~/Library` directory—that is, the `Library` directory located in the user’s home directory.  This case is handled by `_isinvisible`.
+        # `~/Library` directory—that is, the `Library` directory located in the user’s home directory.
+        # 
+        # This case is handled by `_isinvisible_st_flags`.
         
         
         #=== Case 4: Packages and bundles ===#
@@ -149,7 +158,7 @@ include("docs.jl")
         
         
         #=== All macOS cases ===#
-        _ishidden_macos(f::AbstractString) = _ishidden_bsd_related(f) || _issystemfile(f) || _exists_inside_package_or_bundle(f)
+        _ishidden_macos(f::AbstractString) = _ishidden_bsd_related(f) || _issystemdir(f) || _isinvisible_macos_item_info(f) || _exists_inside_package_or_bundle(f)
         _ishidden = _ishidden_macos
     elseif Sys.isbsd()  # BSD; this excludes macOS through control flow (as macOS is checked for first)
         _ishidden_bsd(f::AbstractString) = _ishidden_bsd_related(f)
diff --git a/src/utils/darwin.jl b/src/utils/darwin.jl
index 3a2c940..ca07321 100644
--- a/src/utils/darwin.jl
+++ b/src/utils/darwin.jl
@@ -196,3 +196,51 @@ function _string_from_cf_string(cfstr::Cstring, encoding::Unsigned = CF_STRING_E
     return String(take!(cfio))
 end
 
+#===============================================#
+
+# https://developer.apple.com/documentation/coreservices/lsiteminfoflags/klsiteminfoisinvisible
+# TODO: convert this to enum: https://developer.apple.com/documentation/coreservices/lsiteminfoflags: https://github.com/phracker/MacOSX-SDKs/blob/041600eda65c6a668f66cb7d56b7d1da3e8bcc93/MacOSX10.6.sdk/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Headers/LSInfo.h#L95-L111
+const KLS_ITEM_INFO_IS_INVISIBLE = 0x00000040
+
+# https://developer.apple.com/documentation/coreservices/1429609-anonymous/kisinvisible
+const K_IS_INVISIBLE = 0x00000040
+
+# https://developer.apple.com/documentation/corefoundation/cfurlpathstyle
+const K_CF_URL_POSIX_PATH_STYLE = zero(Int8)
+
+# https://developer.apple.com/documentation/corefoundation/1543250-cfurlcreatewithfilesystempath
+function _cf_url_create_with_file_system_path(cfstr::Cstring, is_directory::Bool, path_style::Integer = K_CF_URL_POSIX_PATH_STYLE)
+    # TODO: handle error codes
+    # CFURLRef CFURLCreateWithFileSystemPath(CFAllocatorRef allocator, CFStringRef filePath, CFURLPathStyle pathStyle, Boolean isDirectory);
+    url_ref = ccall(:CFURLCreateWithFileSystemPath, Ptr{UInt32},
+                    (Ptr{Cvoid}, Cstring, Int32, Bool),
+                    C_NULL, cfstr, path_style, is_directory)
+    return url_ref
+end
+
+# https://developer.apple.com/documentation/coreservices/lsiteminforecord
+function _ls_item_info_record()
+    @warn "LSItemInfoRecord has been deprecated since macOS 10.11"
+    error("not yet implemented")
+end
+
+# https://developer.apple.com/documentation/coreservices/lsrequestedinfo/klsrequestallflags
+const K_LS_REQUEST_ALL_FLAGS = 0x00000010
+# TODO: convert this to enum: https://developer.apple.com/documentation/coreservices/lsrequestedinfo: https://github.com/phracker/MacOSX-SDKs/blob/041600eda65c6a668f66cb7d56b7d1da3e8bcc93/MacOSX10.6.sdk/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Headers/LSInfo.h#L83-L93
+
+# https://developer.apple.com/documentation/coreservices/1445685-lscopyiteminfoforurl
+function _ls_copy_item_info_for_url(url_ref::Ptr{UInt32}, requested_info::Unsigned = K_LS_REQUEST_ALL_FLAGS)
+    # TODO: handle error codes
+    requested_info == K_LS_REQUEST_ALL_FLAGS && @warn "kLSRequestAllFlags has been deprecated since macOS 10.11"
+    requested_info == KLS_ITEM_INFO_IS_INVISIBLE && @warn "kLSItemInfoIsInvisible has been deprecated since macOS 10.11; ensure you are using kIsInvisible instead"
+    @warn "LSCopyItemInfoForURL has been deprecated since macOS 10.11"
+    # buf = Vector{UInt32}(undef, 100)
+    buf = zeros(UInt32, 100)
+    # OSStatus LSCopyItemInfoForURL(CFURLRef inURL, LSRequestedInfo inWhichInfo, LSItemInfoRecord *outItemInfo);
+    ptr = ccall(:LSCopyItemInfoForURL, Ptr{UInt32},
+                (Ptr{UInt32}, UInt32, Ptr{Cvoid}),
+                url_ref, requested_info, buf)
+    return buf
+end
+
+
diff --git a/test/runtests.jl b/test/runtests.jl
index 427de09..4d7009f 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -25,15 +25,30 @@ using Test
                 
                 # Case 2: UNIX-specific directories
                 # TODO: complete this case
-                @test HiddenFiles.ishidden("/bin/")
-                @test HiddenFiles.ishidden("/dev/")
-                @test HiddenFiles.ishidden("/usr/")
-                @test !HiddenFiles.ishidden("/tmp/")
-                
+                @test HiddenFiles.ishidden("/bin")
+                @test HiddenFiles.ishidden("/dev")
+                @test HiddenFiles.ishidden("/dev")
+                @test HiddenFiles.ishidden("/etc")
+                @test HiddenFiles.ishidden("/sbin")
+                @test HiddenFiles.ishidden("/sbin")
+                @test HiddenFiles.ishidden("/tmp")
+                @test HiddenFiles.ishidden("/usr")
+                @test HiddenFiles.ishidden("/var")
+                @test HiddenFiles._isinvisible_macos_item_info("/bin")
+                @test HiddenFiles._isinvisible_macos_item_info("/dev")
+                @test HiddenFiles._isinvisible_macos_item_info("/dev")
+                @test HiddenFiles._isinvisible_macos_item_info("/etc")
+                @test HiddenFiles._isinvisible_macos_item_info("/sbin")
+                @test HiddenFiles._isinvisible_macos_item_info("/sbin")
+                @test HiddenFiles._isinvisible_macos_item_info("/tmp")
+                @test HiddenFiles._isinvisible_macos_item_info("/usr")
+                @test HiddenFiles._isinvisible_macos_item_info("/var")
+                @test !HiddenFiles._isinvisible_macos_item_info("/bin/bash")
+
                 # Case 3: Explicitly hidden files and directories
-                @test HiddenFiles._isinvisible("/Volumes")
+                @test HiddenFiles._isinvisible_st_flags("/Volumes")
                 @test ishidden("/Volumes")
-                @test !HiddenFiles._isinvisible(p′)
+                @test !HiddenFiles._isinvisible_st_flags(p′)
                 
                 # Case 4: Packages and bundles
                 @test !ishidden("/System/Applications/Utilities/Terminal.app")
@@ -41,7 +56,8 @@ using Test
                 @test ishidden("/System/Applications/Utilities/Terminal.app/Contents/")  # This should be the same as above, as we expand all paths using realpath
                 @test !HiddenFiles._ispackage_or_bundle("/System/Applications/Utilities/Terminal.app/Contents/")
                 @test HiddenFiles._exists_inside_package_or_bundle("/System/Applications/Utilities/Terminal.app/Contents/")
-                @test !HiddenFiles._exists_inside_package_or_bundle("/bin/")
+                @test !HiddenFiles._exists_inside_package_or_bundle("/bin")
+                @test !HiddenFiles._exists_inside_package_or_bundle("/tmp")
                 f = String(rand(Char, 32))  # this path shouldn't exist
                 cfstr_nonexistent = HiddenFiles._cfstring_create_with_cstring(f)
                 @test_throws Exception HiddenFiles._mditem_create(cfstr_nonexistent)
@@ -56,9 +72,9 @@ using Test
             # TODO: should we not only support FreeBSD?  Are we testing on other BSD systems?  OpenBSD?
             @testset "HiddenFiles.jl—FreeBSD" begin
                 @test ishidden(p)
-                @test !HiddenFiles._isinvisible(p)
+                @test !HiddenFiles._isinvisible_st_flags(p)
                 @test ishidden(p′)
-                @test !HiddenFiles._isinvisible(p′)
+                @test !HiddenFiles._isinvisible_st_flags(p′)
                 @test !ishidden(homedir())
                 @test !ishidden("/bin/")
                 @test !ishidden("/dev/")