From 7a5457e3aa14bed31f04cff56a3741576b71266c Mon Sep 17 00:00:00 2001
From: Tim Vaillancourt <tim@timvaillancourt.com>
Date: Thu, 20 Jun 2024 01:39:20 +0200
Subject: [PATCH] one more test

Signed-off-by: Tim Vaillancourt <tim@timvaillancourt.com>
---
 go/vt/sqlparser/ast_equals_test.go | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 go/vt/sqlparser/ast_equals_test.go

diff --git a/go/vt/sqlparser/ast_equals_test.go b/go/vt/sqlparser/ast_equals_test.go
new file mode 100644
index 00000000000..a13f22cb9bf
--- /dev/null
+++ b/go/vt/sqlparser/ast_equals_test.go
@@ -0,0 +1,29 @@
+package sqlparser
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCountStarEqualsRefOfCountStar(t *testing.T) {
+	{
+		a := &CountStar{}
+		b := &CountStar{}
+		assert.True(t, EqualsRefOfCountStar(a, b))
+	}
+	{
+		a := &CountStar{Name: "a"}
+		b := &CountStar{Name: "a"}
+		assert.True(t, EqualsRefOfCountStar(a, b))
+	}
+	{
+		a := &CountStar{Name: "a"}
+		b := &CountStar{Name: "b"}
+		assert.False(t, EqualsRefOfCountStar(a, b))
+	}
+	{
+		a := &CountStar{Name: "a"}
+		assert.False(t, EqualsRefOfCountStar(a, nil))
+	}
+}