94 lines
2.1 KiB
Go
94 lines
2.1 KiB
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// This code is duplicated in httputil/chunked_test.go.
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// Please make any changes in both files.
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package http
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import (
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"bytes"
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"fmt"
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"io"
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"io/ioutil"
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"runtime"
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"testing"
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)
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func TestChunk(t *testing.T) {
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var b bytes.Buffer
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w := newChunkedWriter(&b)
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const chunk1 = "hello, "
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const chunk2 = "world! 0123456789abcdef"
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w.Write([]byte(chunk1))
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w.Write([]byte(chunk2))
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w.Close()
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if g, e := b.String(), "7\r\nhello, \r\n17\r\nworld! 0123456789abcdef\r\n0\r\n"; g != e {
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t.Fatalf("chunk writer wrote %q; want %q", g, e)
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}
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r := newChunkedReader(&b)
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data, err := ioutil.ReadAll(r)
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if err != nil {
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t.Logf(`data: "%s"`, data)
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t.Fatalf("ReadAll from reader: %v", err)
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}
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if g, e := string(data), chunk1+chunk2; g != e {
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t.Errorf("chunk reader read %q; want %q", g, e)
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}
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}
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func TestChunkReaderAllocs(t *testing.T) {
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// temporarily set GOMAXPROCS to 1 as we are testing memory allocations
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defer runtime.GOMAXPROCS(runtime.GOMAXPROCS(1))
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var buf bytes.Buffer
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w := newChunkedWriter(&buf)
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a, b, c := []byte("aaaaaa"), []byte("bbbbbbbbbbbb"), []byte("cccccccccccccccccccccccc")
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w.Write(a)
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w.Write(b)
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w.Write(c)
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w.Close()
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r := newChunkedReader(&buf)
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readBuf := make([]byte, len(a)+len(b)+len(c)+1)
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var ms runtime.MemStats
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runtime.ReadMemStats(&ms)
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m0 := ms.Mallocs
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n, err := io.ReadFull(r, readBuf)
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runtime.ReadMemStats(&ms)
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mallocs := ms.Mallocs - m0
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if mallocs > 1 {
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t.Errorf("%d mallocs; want <= 1", mallocs)
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}
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if n != len(readBuf)-1 {
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t.Errorf("read %d bytes; want %d", n, len(readBuf)-1)
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}
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if err != io.ErrUnexpectedEOF {
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t.Errorf("read error = %v; want ErrUnexpectedEOF", err)
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}
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}
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func TestParseHexUint(t *testing.T) {
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for i := uint64(0); i <= 1234; i++ {
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line := []byte(fmt.Sprintf("%x", i))
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got, err := parseHexUint(line)
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if err != nil {
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t.Fatalf("on %d: %v", i, err)
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}
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if got != i {
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t.Errorf("for input %q = %d; want %d", line, got, i)
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}
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}
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_, err := parseHexUint([]byte("bogus"))
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if err == nil {
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t.Error("expected error on bogus input")
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}
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}
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