35 lines
785 B
Go
35 lines
785 B
Go
package syscallcompat
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import (
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"bytes"
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"syscall"
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"testing"
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)
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func TestReadlinkat(t *testing.T) {
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for _, targetLen := range []int{100, 500, 4000} {
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target := string(bytes.Repeat([]byte("x"), targetLen))
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err := syscall.Symlink(target, tmpDir+"/readlinkat")
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if err != nil {
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if targetLen > 1000 {
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// Symlinks longer than 1024 (?) bytes are not supported on
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// MacOS and XFS
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t.Logf("skipping targetLen=%d: %v", targetLen, err)
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continue
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}
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t.Fatalf("targetLen=%d: %v", targetLen, err)
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}
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target2, err := Readlinkat(tmpDirFd, "readlinkat")
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if err != nil {
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t.Fatal(err)
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}
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if target != target2 {
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t.Errorf("target=%q != target2=%q", target, target2)
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}
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err = syscall.Unlink(tmpDir + "/readlinkat")
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if err != nil {
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t.Fatal(err)
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}
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}
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}
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