diff options
Diffstat (limited to 'src/pkg/encoding/json/stream_test.go')
-rw-r--r-- | src/pkg/encoding/json/stream_test.go | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/src/pkg/encoding/json/stream_test.go b/src/pkg/encoding/json/stream_test.go deleted file mode 100644 index b562e8769..000000000 --- a/src/pkg/encoding/json/stream_test.go +++ /dev/null @@ -1,206 +0,0 @@ -// Copyright 2010 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 json - -import ( - "bytes" - "io/ioutil" - "net" - "reflect" - "strings" - "testing" -) - -// Test values for the stream test. -// One of each JSON kind. -var streamTest = []interface{}{ - 0.1, - "hello", - nil, - true, - false, - []interface{}{"a", "b", "c"}, - map[string]interface{}{"K": "Kelvin", "ß": "long s"}, - 3.14, // another value to make sure something can follow map -} - -var streamEncoded = `0.1 -"hello" -null -true -false -["a","b","c"] -{"ß":"long s","K":"Kelvin"} -3.14 -` - -func TestEncoder(t *testing.T) { - for i := 0; i <= len(streamTest); i++ { - var buf bytes.Buffer - enc := NewEncoder(&buf) - for j, v := range streamTest[0:i] { - if err := enc.Encode(v); err != nil { - t.Fatalf("encode #%d: %v", j, err) - } - } - if have, want := buf.String(), nlines(streamEncoded, i); have != want { - t.Errorf("encoding %d items: mismatch", i) - diff(t, []byte(have), []byte(want)) - break - } - } -} - -func TestDecoder(t *testing.T) { - for i := 0; i <= len(streamTest); i++ { - // Use stream without newlines as input, - // just to stress the decoder even more. - // Our test input does not include back-to-back numbers. - // Otherwise stripping the newlines would - // merge two adjacent JSON values. - var buf bytes.Buffer - for _, c := range nlines(streamEncoded, i) { - if c != '\n' { - buf.WriteRune(c) - } - } - out := make([]interface{}, i) - dec := NewDecoder(&buf) - for j := range out { - if err := dec.Decode(&out[j]); err != nil { - t.Fatalf("decode #%d/%d: %v", j, i, err) - } - } - if !reflect.DeepEqual(out, streamTest[0:i]) { - t.Errorf("decoding %d items: mismatch", i) - for j := range out { - if !reflect.DeepEqual(out[j], streamTest[j]) { - t.Errorf("#%d: have %v want %v", j, out[j], streamTest[j]) - } - } - break - } - } -} - -func TestDecoderBuffered(t *testing.T) { - r := strings.NewReader(`{"Name": "Gopher"} extra `) - var m struct { - Name string - } - d := NewDecoder(r) - err := d.Decode(&m) - if err != nil { - t.Fatal(err) - } - if m.Name != "Gopher" { - t.Errorf("Name = %q; want Gopher", m.Name) - } - rest, err := ioutil.ReadAll(d.Buffered()) - if err != nil { - t.Fatal(err) - } - if g, w := string(rest), " extra "; g != w { - t.Errorf("Remaining = %q; want %q", g, w) - } -} - -func nlines(s string, n int) string { - if n <= 0 { - return "" - } - for i, c := range s { - if c == '\n' { - if n--; n == 0 { - return s[0 : i+1] - } - } - } - return s -} - -func TestRawMessage(t *testing.T) { - // TODO(rsc): Should not need the * in *RawMessage - var data struct { - X float64 - Id *RawMessage - Y float32 - } - const raw = `["\u0056",null]` - const msg = `{"X":0.1,"Id":["\u0056",null],"Y":0.2}` - err := Unmarshal([]byte(msg), &data) - if err != nil { - t.Fatalf("Unmarshal: %v", err) - } - if string([]byte(*data.Id)) != raw { - t.Fatalf("Raw mismatch: have %#q want %#q", []byte(*data.Id), raw) - } - b, err := Marshal(&data) - if err != nil { - t.Fatalf("Marshal: %v", err) - } - if string(b) != msg { - t.Fatalf("Marshal: have %#q want %#q", b, msg) - } -} - -func TestNullRawMessage(t *testing.T) { - // TODO(rsc): Should not need the * in *RawMessage - var data struct { - X float64 - Id *RawMessage - Y float32 - } - data.Id = new(RawMessage) - const msg = `{"X":0.1,"Id":null,"Y":0.2}` - err := Unmarshal([]byte(msg), &data) - if err != nil { - t.Fatalf("Unmarshal: %v", err) - } - if data.Id != nil { - t.Fatalf("Raw mismatch: have non-nil, want nil") - } - b, err := Marshal(&data) - if err != nil { - t.Fatalf("Marshal: %v", err) - } - if string(b) != msg { - t.Fatalf("Marshal: have %#q want %#q", b, msg) - } -} - -var blockingTests = []string{ - `{"x": 1}`, - `[1, 2, 3]`, -} - -func TestBlocking(t *testing.T) { - for _, enc := range blockingTests { - r, w := net.Pipe() - go w.Write([]byte(enc)) - var val interface{} - - // If Decode reads beyond what w.Write writes above, - // it will block, and the test will deadlock. - if err := NewDecoder(r).Decode(&val); err != nil { - t.Errorf("decoding %s: %v", enc, err) - } - r.Close() - w.Close() - } -} - -func BenchmarkEncoderEncode(b *testing.B) { - b.ReportAllocs() - type T struct { - X, Y string - } - v := &T{"foo", "bar"} - for i := 0; i < b.N; i++ { - if err := NewEncoder(ioutil.Discard).Encode(v); err != nil { - b.Fatal(err) - } - } -} |