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path: root/src/pkg/net/http/transfer_test.go
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package http

import (
	"bufio"
	"io"
	"strings"
	"testing"
)

func TestBodyReadBadTrailer(t *testing.T) {
	b := &body{
		src: strings.NewReader("foobar"),
		hdr: true, // force reading the trailer
		r:   bufio.NewReader(strings.NewReader("")),
	}
	buf := make([]byte, 7)
	n, err := b.Read(buf[:3])
	got := string(buf[:n])
	if got != "foo" || err != nil {
		t.Fatalf(`first Read = %d (%q), %v; want 3 ("foo")`, n, got, err)
	}

	n, err = b.Read(buf[:])
	got = string(buf[:n])
	if got != "bar" || err != nil {
		t.Fatalf(`second Read = %d (%q), %v; want 3 ("bar")`, n, got, err)
	}

	n, err = b.Read(buf[:])
	got = string(buf[:n])
	if err == nil {
		t.Errorf("final Read was successful (%q), expected error from trailer read", got)
	}
}

func TestFinalChunkedBodyReadEOF(t *testing.T) {
	res, err := ReadResponse(bufio.NewReader(strings.NewReader(
		"HTTP/1.1 200 OK\r\n"+
			"Transfer-Encoding: chunked\r\n"+
			"\r\n"+
			"0a\r\n"+
			"Body here\n\r\n"+
			"09\r\n"+
			"continued\r\n"+
			"0\r\n"+
			"\r\n")), nil)
	if err != nil {
		t.Fatal(err)
	}
	want := "Body here\ncontinued"
	buf := make([]byte, len(want))
	n, err := res.Body.Read(buf)
	if n != len(want) || err != io.EOF {
		t.Logf("body = %#v", res.Body)
		t.Errorf("Read = %v, %v; want %d, EOF", n, err, len(want))
	}
	if string(buf) != want {
		t.Errorf("buf = %q; want %q", buf, want)
	}
}