59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
package encoding
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import (
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"bytes"
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"testing"
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)
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func TestIntEncoderInstance(t *testing.T) {
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enc := DefaultIntEncoder
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val := uint64(123456789)
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encoded := enc.EncodeInt(val)
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decoded := enc.DecodeInt(encoded)
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if val != decoded {
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t.Errorf("IntEncoder instance failed: expected %d, got %d", val, decoded)
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}
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// NewIntEncoder errors
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_, err := NewIntEncoder("12", 5) // 字符集不足
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if err == nil {
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t.Error("expected error for insufficient digits")
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}
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_, err = NewIntEncoder("112345", 6) // 重复字符
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if err == nil {
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t.Error("expected error for repeated digits")
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}
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// DecodeInt(nil)
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if DecodeInt(nil) != 0 {
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t.Error("DecodeInt(nil) != 0")
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}
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// FillInt
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buf := []byte(EncodeInt(123))
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filled := FillInt(buf, 10)
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if len(filled) != 10 {
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t.Errorf("FillInt failed: expected len 10, got %d", len(filled))
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}
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if !bytes.HasPrefix(filled, buf) {
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t.Error("FillInt prefix mismatch")
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}
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// ExchangeInt
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buf = []byte("abcde")
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exchanged := ExchangeInt(buf)
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if len(exchanged) != len(buf) {
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t.Error("ExchangeInt len mismatch")
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}
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if bytes.Equal(exchanged, buf) {
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t.Error("ExchangeInt should change data")
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}
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// HashInt
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hashed := HashInt(buf, []byte("key"))
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if len(hashed) == 0 {
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t.Error("HashInt failed")
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}
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}
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