36 lines
843 B
Go
36 lines
843 B
Go
//go:build gofuzz
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// +build gofuzz
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package filename
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import (
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"bytes"
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"fmt"
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)
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// Run like:
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// go-fuzz-build -o=fuzz-build.zip -func=Fuzz . && go-fuzz -minimize=5s -bin=fuzz-build.zip -workdir=testdata/corpus -procs=24
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// Fuzz test the provided input.
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func Fuzz(data []byte) int {
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// First try to decode as is.
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// We don't care about the result, it just shouldn't crash.
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Decode(string(data))
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// Now encode
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enc := Encode(string(data))
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// And decoded must match
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decoded, err := Decode(enc)
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if err != nil {
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panic(fmt.Sprintf("error decoding %q, input %q: %v", enc, string(data), err))
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}
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if !bytes.Equal(data, []byte(decoded)) {
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table := decodeMap[enc[0]]
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table--
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panic(fmt.Sprintf("decode mismatch, encoded: %q, org: %q, got: %q, table %d", enc, string(data), decoded, int(table)))
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}
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// Everything is good.
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return 1
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}
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