t7527: test builtin FSMonitor watching repos with unicode paths

Create some test repos with UTF8 pathnames and verify that
the builtin FSMonitor can watch them.  This test is mainly
for Windows where we need to avoid `*A()` routines.

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>

t/t7527-builtin-fsmonitor.sh

@@ -699,4 +699,27 @@ do
 	done
 done
 
+# Test Unicode UTF-8 characters in the pathname of the working
+# directory.  Use of "*A()" routines rather than "*W()" routines
+# on Windows can sometimes lead to odd failures.
+#
+u1=$(printf "u_c3_a6__\xC3\xA6")
+u2=$(printf "u_e2_99_ab__\xE2\x99\xAB")
+u_values="$u1 $u2"
+for u in $u_values
+do
+	test_expect_success "Unicode path: $u" '
+		test_when_finished "stop_daemon_delete_repo $u" &&
+
+		git init "$u" &&
+		echo 1 >"$u"/file1 &&
+		git -C "$u" add file1 &&
+		git -C "$u" config core.useBuiltinFSMonitor true &&
+
+		start_daemon "$u" &&
+		git -C "$u" status >actual &&
+		grep "new file:   file1" actual
+	'
+done
+
 test_done