mirror of
https://github.com/autc04/Retro68.git
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80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
// Copyright 2015 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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package profile
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import (
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"bytes"
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"testing"
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)
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func TestEmptyProfile(t *testing.T) {
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var buf bytes.Buffer
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p, err := Parse(&buf)
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if err != nil {
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t.Error("Want no error, got", err)
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}
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if p == nil {
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t.Fatal("Want a valid profile, got <nil>")
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}
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if !p.Empty() {
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t.Errorf("Profile should be empty, got %#v", p)
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}
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}
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func TestParseContention(t *testing.T) {
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tests := []struct {
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name string
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in string
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wantErr bool
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}{
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{
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name: "valid",
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in: `--- mutex:
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cycles/second=3491920901
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sampling period=1
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43227965305 1659640 @ 0x45e851 0x45f764 0x4a2be1 0x44ea31
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34035731690 15760 @ 0x45e851 0x45f764 0x4a2b17 0x44ea31
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`,
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},
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{
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name: "valid with comment",
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in: `--- mutex:
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cycles/second=3491920901
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sampling period=1
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43227965305 1659640 @ 0x45e851 0x45f764 0x4a2be1 0x44ea31
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# 0x45e850 sync.(*Mutex).Unlock+0x80 /go/src/sync/mutex.go:126
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# 0x45f763 sync.(*RWMutex).Unlock+0x83 /go/src/sync/rwmutex.go:125
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# 0x4a2be0 main.main.func3+0x70 /go/src/internal/pprof/profile/a_binary.go:58
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34035731690 15760 @ 0x45e851 0x45f764 0x4a2b17 0x44ea31
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# 0x45e850 sync.(*Mutex).Unlock+0x80 /go/src/sync/mutex.go:126
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# 0x45f763 sync.(*RWMutex).Unlock+0x83 /go/src/sync/rwmutex.go:125
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# 0x4a2b16 main.main.func2+0xd6 /go/src/internal/pprof/profile/a_binary.go:48
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`,
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},
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{
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name: "empty",
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in: `--- mutex:`,
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wantErr: true,
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},
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{
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name: "invalid header",
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in: `--- channel:
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43227965305 1659640 @ 0x45e851 0x45f764 0x4a2be1 0x44ea31`,
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wantErr: true,
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},
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}
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for _, tc := range tests {
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_, err := parseContention([]byte(tc.in))
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if tc.wantErr && err == nil {
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t.Errorf("parseContention(%q) succeeded unexpectedly", tc.name)
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}
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if !tc.wantErr && err != nil {
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t.Errorf("parseContention(%q) failed unexpectedly: %v", tc.name, err)
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}
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}
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}
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