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buddy_test.go
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buddy_test.go
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package riddick
import (
"os"
"reflect"
"testing"
)
// fixture/SampleDSStore
// two files
// => foo.txt
// => bar.txt
// One empty directory
// => nothing
func TestAllocator_header(t *testing.T) {
f, err := os.Open("fixture/Test_DS_Store")
if err != nil {
t.Fatal(err)
}
defer f.Close()
a := &allocator{
file: f,
}
o, s, err := a.header()
if err != nil {
t.Fatal(err)
}
if s != 2048 {
t.Errorf("expected %d got %d", 2048, s)
}
if o != 4096 {
t.Errorf("expected %d got %d", 4096, o)
}
}
func TestAllocator(t *testing.T) {
f, err := os.Open("fixture/Test_DS_Store")
if err != nil {
t.Fatal(err)
}
defer f.Close()
a, err := newAllocator(f)
if err != nil {
t.Fatal(err)
}
k := a.toc["DSDB"]
if k != 1 {
t.Errorf("expected 1 got %d", k)
}
o := []uint32{4107, 69, 135}
if !reflect.DeepEqual(o, a.offsets) {
t.Errorf("expected %v got %v", o, a.offsets)
}
}
func TestAllocator_Entries(t *testing.T) {
f, err := os.Open("fixture/SampleDSStore")
if err != nil {
t.Fatal(err)
}
defer f.Close()
a, err := newAllocator(f)
if err != nil {
t.Fatal(err)
}
b, err := a.GetBlock(1)
if err != nil {
t.Fatal(err)
}
if b.offset != 64 {
t.Errorf("expected %d got %d", 64, b.offset)
}
if b.size != 32 {
t.Errorf("expected %d tot %d", 32, b.size)
}
err = a.traverse(1, func(e *entry) error {
switch e.filename {
case "bar.txt":
switch e.code {
case "Iloc":
x, y, err := e.decodeIloc()
if err != nil {
return err
}
if x != 59 {
t.Errorf("expected 59 got %d", x)
}
if y != 40 {
t.Errorf("expected 40 got %d", y)
}
}
case "foo.txt":
switch e.code {
case "Iloc":
x, y, err := e.decodeIloc()
if err != nil {
return err
}
if x != 169 {
t.Errorf("expected 169 got %d", x)
}
if y != 40 {
t.Errorf("expected 40 got %d", y)
}
}
}
return nil
})
if err != nil {
t.Fatal(err)
}
}