wehub-resource-sync
40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
package builtin
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import (
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"bytes"
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"context"
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"encoding/binary"
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"encoding/json"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"unicode/utf16"
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)
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// TestReadFileBOMlessUTF16LE proves a Windows-style UTF-16 source file with no
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// BOM is decoded rather than rejected as binary on the NUL-byte check.
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func TestReadFileBOMlessUTF16LE(t *testing.T) {
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dir := t.TempDir()
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path := filepath.Join(dir, "CameraManagerLogLoader.cpp")
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src := "// Created by 69431 on 2024/12/31\n#include \"alson/CameraManagerLogLoader.h\"\n"
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var b bytes.Buffer
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for _, u := range utf16.Encode([]rune(src)) {
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_ = binary.Write(&b, binary.LittleEndian, u)
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}
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if err := os.WriteFile(path, b.Bytes(), 0o644); err != nil {
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t.Fatal(err)
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}
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args, _ := json.Marshal(map[string]any{"path": path})
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out, err := readFile{}.Execute(context.Background(), args)
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if err != nil {
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t.Fatalf("read rejected BOM-less UTF-16: %v", err)
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}
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if !strings.Contains(out, "Created by 69431") || !strings.Contains(out, "#include") {
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t.Fatalf("UTF-16 content not decoded:\n%s", out)
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}
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if strings.Contains(out, "\x00") {
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t.Fatal("NUL bytes leaked into decoded output")
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}
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}
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