cd9c8b600e
The ability to load a packfile from memory means that it becomes easy to use the "embed" package to embed a small packfile. The refactor to allow loading from memory also makes it easy to add a MapAndLoad implementation, which means the file only needs to be opened / mmap()ed once.
39 lines
813 B
Go
39 lines
813 B
Go
package packed
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import (
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"bytes"
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"os"
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"testing"
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)
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func TestMapAndLoad(t *testing.T) {
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rawPack, err := os.ReadFile("testdata/helloworld.pack")
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if err != nil {
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t.Fatal(err)
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}
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rawText, err := os.ReadFile("testdata/helloworld.txt")
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if err != nil {
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t.Fatal(err)
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}
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mapped, err := MapAndLoad("testdata/helloworld.pack")
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if err != nil {
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t.Fatal(err)
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}
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defer mapped.Close()
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if !bytes.Equal(mapped.Data, rawPack) {
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t.Error("mapped data does not match raw file")
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}
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file := mapped.Directory.Files["/helloworld.txt"]
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if file == nil {
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t.Fatal("directory does not contain /helloworld.txt")
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}
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start := file.Uncompressed.Offset
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end := start + file.Uncompressed.Length
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if !bytes.Equal(rawText, mapped.Data[start:end]) {
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t.Error("uncompressed file does not match testdata/helloworld.txt")
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}
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}
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