file_test.go

Documentation: debug/plan9obj

		 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  }
		82
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