Enabling suggestions should not fetch a suggestion if buffer is empty

spec/integrations/bracketed_paste_magic_spec.rb

@@ -0,0 +1,36 @@
+describe 'pasting using bracketed-paste-magic' do
+  let(:before_sourcing) do
+    -> do
+      session.
+        run_command('autoload -Uz bracketed-paste-magic').
+        run_command('zle -N bracketed-paste bracketed-paste-magic')
+    end
+  end
+
+  context 'with suggestions disabled while pasting' do
+    before do
+      session.
+        run_command('bpm_init() { zle autosuggest-disable }').
+        run_command('bpm_finish() { zle autosuggest-enable }').
+        run_command('zstyle :bracketed-paste-magic paste-init bpm_init').
+        run_command('zstyle :bracketed-paste-magic paste-finish bpm_finish')
+    end
+
+    it 'does not show an incorrect suggestion' do
+      with_history('echo hello') do
+        session.paste_string("echo #{'a' * 60}")
+        sleep 1
+        expect(session.content).to eq("echo #{'a' * 60}")
+      end
+    end
+
+    it 'shows a suggestion after a non-modifying keystroke' do
+      with_history('echo hello') do
+        session.paste_string('echo')
+        sleep 1
+        session.send_keys('left')
+        wait_for { session.content }.to eq('echo hello')
+      end
+    end
+  end
+end