59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
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package encoding_test
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import (
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"bytes"
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"testing"
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"apigo.cc/go/encoding"
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)
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// --- 正常逻辑测试 ---
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func TestIntEncoderNormal(t *testing.T) {
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enc := encoding.DefaultIntEncoder
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nums := []uint64{0, 1, 100, 123456789, 18446744073709551615}
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for _, n := range nums {
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if enc.DecodeInt(enc.EncodeInt(n)) != n {
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t.Errorf("Roundtrip failed for %d", n)
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}
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}
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}
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// --- 边界与异常测试 ---
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func TestIntEncoderEdge(t *testing.T) {
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// 初始化异常
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_, err := encoding.NewIntEncoder("12", 5) // 字符集不足
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if err == nil { t.Error("NewIntEncoder failed to detect short digits") }
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_, err = encoding.NewIntEncoder("112345", 2) // 重复字符
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if err == nil { t.Error("NewIntEncoder failed to detect repeated digits") }
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// 空输入
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if encoding.DecodeInt(nil) != 0 { t.Error("DecodeInt(nil) != 0") }
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// 填充逻辑边界
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buf := encoding.EncodeInt(123)
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filled := encoding.DefaultIntEncoder.FillInt(buf, 2) // 长度小于原长
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if len(filled) != len(buf) {
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t.Error("FillInt should not truncate data")
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}
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}
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// --- 混淆与哈希测试 ---
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func TestIntEncoderAdvanced(t *testing.T) {
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enc := encoding.DefaultIntEncoder
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buf := enc.EncodeInt(12345)
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// Exchange
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exchanged := enc.ExchangeInt(buf)
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if len(exchanged) != len(buf) {
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t.Fatal("Exchange length mismatch")
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}
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// Hash
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h1 := enc.HashInt(buf, []byte("key"))
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h2 := enc.HashInt(buf, []byte("key"))
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if !bytes.Equal(h1, h2) {
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t.Error("HashInt non-deterministic")
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}
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}
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