Remove !go1.19 and update tests

context_1.17_test.go

@@ -2,14 +2,13 @@
 // Use of this source code is governed by a MIT style
 // license that can be found in the LICENSE file.
 
-//go:build go1.17 && !go1.19
+//go:build go1.17
-// +build go1.17,!go1.19
+// +build go1.17
 
 package gin
 
 import (
 	"bytes"
-	"mime/multipart"
 	"net/http"
 	"net/http/httptest"
 	"testing"
@@ -27,21 +26,6 @@ func (i interceptedWriter) WriteHeader(code int) {
 	i.ResponseWriter.WriteHeader(code)
 }
 
-func TestContextFormFileFailed17(t *testing.T) {
-	buf := new(bytes.Buffer)
-	mw := multipart.NewWriter(buf)
-	mw.Close()
-	c, _ := CreateTestContext(httptest.NewRecorder())
-	c.Request, _ = http.NewRequest("POST", "/", nil)
-	c.Request.Header.Set("Content-Type", mw.FormDataContentType())
-	c.engine.MaxMultipartMemory = 8 << 20
-	assert.Panics(t, func() {
-		f, err := c.FormFile("file")
-		assert.Error(t, err)
-		assert.Nil(t, f)
-	})
-}
-
 func TestInterceptedHeader(t *testing.T) {
 	w := httptest.NewRecorder()
 	c, r := CreateTestContext(w)

context_1.19_test.go

@@ -17,16 +17,6 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-type interceptedWriter struct {
-	ResponseWriter
-	b *bytes.Buffer
-}
-
-func (i interceptedWriter) WriteHeader(code int) {
-	i.Header().Del("X-Test")
-	i.ResponseWriter.WriteHeader(code)
-}
-
 func TestContextFormFileFailed19(t *testing.T) {
 	buf := new(bytes.Buffer)
 	mw := multipart.NewWriter(buf)
@@ -39,32 +29,3 @@ func TestContextFormFileFailed19(t *testing.T) {
 	assert.Error(t, err)
 	assert.Nil(t, f)
 }
-
-func TestInterceptedHeader(t *testing.T) {
-	w := httptest.NewRecorder()
-	c, r := CreateTestContext(w)
-
-	r.Use(func(c *Context) {
-		i := interceptedWriter{
-			ResponseWriter: c.Writer,
-			b:              bytes.NewBuffer(nil),
-		}
-		c.Writer = i
-		c.Next()
-		c.Header("X-Test", "overridden")
-		c.Writer = i.ResponseWriter
-	})
-	r.GET("/", func(c *Context) {
-		c.Header("X-Test", "original")
-		c.Header("X-Test-2", "present")
-		c.String(http.StatusOK, "hello world")
-	})
-	c.Request = httptest.NewRequest("GET", "/", nil)
-	r.HandleContext(c)
-	// Result() has headers frozen when WriteHeaderNow() has been called
-	// Compared to this time, this is when the response headers will be flushed
-	// As response is flushed on c.String, the Header cannot be set by the first
-	// middleware. Assert this
-	assert.Equal(t, "", w.Result().Header.Get("X-Test"))
-	assert.Equal(t, "present", w.Result().Header.Get("X-Test-2"))
-}