OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [go/] [token/] [serialize_test.go] - Blame information for rev 747

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 747 jeremybenn 
// Copyright 2011 The Go Authors. All rights reserved.
2 
// Use of this source code is governed by a BSD-style
3 
// license that can be found in the LICENSE file.
4 
 
5 
package token
6 
 
7 
import (
8 
        "bytes"
9 
        "encoding/gob"
10 
        "fmt"
11 
        "testing"
12 
)
13 
 
14 
// equal returns nil if p and q describe the same file set;
15 
// otherwise it returns an error describing the discrepancy.
16 
func equal(p, q *FileSet) error {
17 
        if p == q {
18 
                // avoid deadlock if p == q
19 
                return nil
20 
        }
21 
 
22 
        // not strictly needed for the test
23 
        p.mutex.Lock()
24 
        q.mutex.Lock()
25 
        defer q.mutex.Unlock()
26 
        defer p.mutex.Unlock()
27 
 
28 
        if p.base != q.base {
29 
                return fmt.Errorf("different bases: %d != %d", p.base, q.base)
30 
        }
31 
 
32 
        if len(p.files) != len(q.files) {
33 
                return fmt.Errorf("different number of files: %d != %d", len(p.files), len(q.files))
34 
        }
35 
 
36 
        for i, f := range p.files {
37 
                g := q.files[i]
38 
                if f.set != p {
39 
                        return fmt.Errorf("wrong fileset for %q", f.name)
40 
                }
41 
                if g.set != q {
42 
                        return fmt.Errorf("wrong fileset for %q", g.name)
43 
                }
44 
                if f.name != g.name {
45 
                        return fmt.Errorf("different filenames: %q != %q", f.name, g.name)
46 
                }
47 
                if f.base != g.base {
48 
                        return fmt.Errorf("different base for %q: %d != %d", f.name, f.base, g.base)
49 
                }
50 
                if f.size != g.size {
51 
                        return fmt.Errorf("different size for %q: %d != %d", f.name, f.size, g.size)
52 
                }
53 
                for j, l := range f.lines {
54 
                        m := g.lines[j]
55 
                        if l != m {
56 
                                return fmt.Errorf("different offsets for %q", f.name)
57 
                        }
58 
                }
59 
                for j, l := range f.infos {
60 
                        m := g.infos[j]
61 
                        if l.Offset != m.Offset || l.Filename != m.Filename || l.Line != m.Line {
62 
                                return fmt.Errorf("different infos for %q", f.name)
63 
                        }
64 
                }
65 
        }
66 
 
67 
        // we don't care about .last - it's just a cache
68 
        return nil
69 
}
70 
 
71 
func checkSerialize(t *testing.T, p *FileSet) {
72 
        var buf bytes.Buffer
73 
        encode := func(x interface{}) error {
74 
                return gob.NewEncoder(&buf).Encode(x)
75 
        }
76 
        if err := p.Write(encode); err != nil {
77 
                t.Errorf("writing fileset failed: %s", err)
78 
                return
79 
        }
80 
        q := NewFileSet()
81 
        decode := func(x interface{}) error {
82 
                return gob.NewDecoder(&buf).Decode(x)
83 
        }
84 
        if err := q.Read(decode); err != nil {
85 
                t.Errorf("reading fileset failed: %s", err)
86 
                return
87 
        }
88 
        if err := equal(p, q); err != nil {
89 
                t.Errorf("filesets not identical: %s", err)
90 
        }
91 
}
92 
 
93 
func TestSerialization(t *testing.T) {
94 
        p := NewFileSet()
95 
        checkSerialize(t, p)
96 
        // add some files
97 
        for i := 0; i < 10; i++ {
98 
                f := p.AddFile(fmt.Sprintf("file%d", i), p.Base()+i, i*100)
99 
                checkSerialize(t, p)
100 
                // add some lines and alternative file infos
101 
                line := 1000
102 
                for offs := 0; offs < f.Size(); offs += 40 + i {
103 
                        f.AddLine(offs)
104 
                        if offs%7 == 0 {
105 
                                f.AddLineInfo(offs, fmt.Sprintf("file%d", offs), line)
106 
                                line += 33
107 
                        }
108 
                }
109 
                checkSerialize(t, p)
110 
        }
111 
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.