From d0c2793becbd2f065b1a4942fb346b09fb855a37 Mon Sep 17 00:00:00 2001
From: Md Mushfiqur Rahim <20mahin2020@gmail.com>
Date: Thu, 25 Jun 2026 00:32:47 +0000
Subject: [PATCH] test: add test for non-BMP characters in AsciiJSON

---
 context_test.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/context_test.go b/context_test.go
index 2dfdd392..11ca9ede 100644
--- a/context_test.go
+++ b/context_test.go
@@ -1263,6 +1263,18 @@ func TestContextRenderNoContentSecureJSON(t *testing.T) {
 	assert.Equal(t, "application/json; charset=utf-8", w.Header().Get("Content-Type"))
 }
 
+func TestContextAsciiJSONNonBMP(t *testing.T) {
+	w := httptest.NewRecorder()
+	c, _ := CreateTestContext(w)
+
+	// Non-BMP characters (emoji) should be encoded as UTF-16 surrogate pairs
+	c.AsciiJSON(http.StatusOK, H{"emoji": "😀"})
+
+	assert.Equal(t, http.StatusOK, w.Code)
+	assert.Equal(t, "{\"emoji\":\"\\ud83d\\ude00\"}", w.Body.String())
+	assert.Equal(t, "application/json", w.Header().Get("Content-Type"))
+}
+
 func TestContextRenderNoContentAsciiJSON(t *testing.T) {
 	w := httptest.NewRecorder()
 	c, _ := CreateTestContext(w)