libgo/go/debug/plan9obj/file_test.go

   1 // Copyright 2014 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 plan9obj
   6
   7 import (
   8         "reflect"
   9         "testing"
  10 )
  11
  12 type fileTest struct {
  13         file     string
  14         hdr      FileHeader
  15         sections []*SectionHeader
  16 }
  17
  18 var fileTests = []fileTest{
  19         {
  20                 "testdata/386-plan9-exec",
  21                 FileHeader{Magic386, 0x324, 0x14, 4, 0x1000, 32},
  22                 []*SectionHeader{
  23                         {"text", 0x4c5f, 0x20},
  24                         {"data", 0x94c, 0x4c7f},
  25                         {"syms", 0x2c2b, 0x55cb},
  26                         {"spsz", 0x0, 0x81f6},
  27                         {"pcsz", 0xf7a, 0x81f6},
  28                 },
  29         },
  30         {
  31                 "testdata/amd64-plan9-exec",
  32                 FileHeader{MagicAMD64, 0x618, 0x13, 8, 0x200000, 40},
  33                 []*SectionHeader{
  34                         {"text", 0x4213, 0x28},
  35                         {"data", 0xa80, 0x423b},
  36                         {"syms", 0x2c8c, 0x4cbb},
  37                         {"spsz", 0x0, 0x7947},
  38                         {"pcsz", 0xca0, 0x7947},
  39                 },
  40         },
  41 }
  42
  43 func TestOpen(t *testing.T) {
  44         for i := range fileTests {
  45                 tt := &fileTests[i]
  46
  47                 f, err := Open(tt.file)
  48                 if err != nil {
  49                         t.Error(err)
  50                         continue
  51                 }
  52                 if !reflect.DeepEqual(f.FileHeader, tt.hdr) {
  53                         t.Errorf("open %s:\n\thave %#v\n\twant %#v\n", tt.file, f.FileHeader, tt.hdr)
  54                         continue
  55                 }
  56
  57                 for i, sh := range f.Sections {
  58                         if i >= len(tt.sections) {
  59                                 break
  60                         }
  61                         have := &sh.SectionHeader
  62                         want := tt.sections[i]
  63                         if !reflect.DeepEqual(have, want) {
  64                                 t.Errorf("open %s, section %d:\n\thave %#v\n\twant %#v\n", tt.file, i, have, want)
  65                         }
  66                 }
  67                 tn := len(tt.sections)
  68                 fn := len(f.Sections)
  69                 if tn != fn {
  70                         t.Errorf("open %s: len(Sections) = %d, want %d", tt.file, fn, tn)
  71                 }
  72         }
  73 }
  74
  75 func TestOpenFailure(t *testing.T) {
  76         filename := "file.go"    // not a Plan 9 a.out file
  77         _, err := Open(filename) // don't crash
  78         if err == nil {
  79                 t.Errorf("open %s: succeeded unexpectedly", filename)
  80         }
  81 }