diff --git a/tide_theme/tests/count_left_prompt_height.fish b/tide_theme/tests/count_left_prompt_height.fish
new file mode 100644
index 0000000..007545f
--- /dev/null
+++ b/tide_theme/tests/count_left_prompt_height.fish
@@ -0,0 +1,10 @@
+@mesg '---------cmd_duration---------'
+
+function _count_left_prompt_height
+    set -lx tide_left_prompt_items $argv
+    _tide_count_left_prompt_height
+    printf '%s' $_tide_left_prompt_height
+end
+
+@test 'Single line' (_count_left_prompt_height pwd git_prompt prompt_char) -eq 1
+@test 'Double line' (_count_left_prompt_height pwd git_prompt newline prompt_char) -eq 2
\ No newline at end of file