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file_test.go
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40 lines (34 loc) · 667 Bytes
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package github
import (
"os"
"testing"
)
func TestGetFileSize(t *testing.T) {
const fname = "file.go"
methods := []func(f *os.File) (int64, error){
GetFileSize,
fsizeStat,
fsizeSeek,
}
results := make([]int64, len(methods))
for i, fn := range methods {
f, err := os.Open(fname)
if err != nil {
t.Fatal(i, err)
}
defer f.Close()
size, err := fn(f)
if err != nil {
t.Fatal(i, err)
}
if size == 0 {
t.Fatal(i, "file size of ", fname, " was zero")
}
results[i] = size
}
for i := 1; i < len(results); i++ {
if results[i] != results[0] {
t.Error(i, "method does not correspond", results[i], "!=", results[0])
}
}
}