Add 'zero' event

Close #3263

1 files changed, 8 insertions, 2 deletions

diff --git a/test/test_go.rb b/test/test_go.rb
index fc0b9e04..7cdacdef 100755
--- a/test/test_go.rb
+++ b/test/test_go.rb
@@ -2835,18 +2835,24 @@ class TestGoFZF < TestBase
     end
   end
 
-  def test_one
-    tmux.send_keys "seq 10 | #{FZF} --bind 'one:preview:echo {} is the only match'", :Enter
+  def test_one_and_zero
+    tmux.send_keys "seq 10 | #{FZF} --bind 'zero:preview(echo no match),one:preview(echo {} is the only match)'", :Enter
     tmux.send_keys '1'
     tmux.until do |lines|
       assert_equal 2, lines.match_count
       refute(lines.any? { _1.include?('only match') })
+      refute(lines.any? { _1.include?('no match') })
     end
     tmux.send_keys '0'
     tmux.until do |lines|
       assert_equal 1, lines.match_count
       assert(lines.any? { _1.include?('only match') })
     end
+    tmux.send_keys '0'
+    tmux.until do |lines|
+      assert_equal 0, lines.match_count
+      assert(lines.any? { _1.include?('no match') })
+    end
   end
 
   def test_height_range_with_exit_0