72 lines
1.5 KiB
Go
72 lines
1.5 KiB
Go
package main
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import "C"
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import (
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"crypto/sha256"
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"encoding/hex"
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"fmt"
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"os"
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"path"
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)
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func main() {}
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const failedCasesDir = "wazerolib/testdata"
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// saveFailedBinary writes binary and wat into failedCasesDir so that it is easy to reproduce the error.
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func saveFailedBinary(bin []byte, wat string, reproduceTestName string) {
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checksum := sha256.Sum256(bin)
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checkSumStr := hex.EncodeToString(checksum[:])
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dir, err := os.Getwd()
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if err != nil {
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panic(err)
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}
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testDataDir := path.Join(dir, failedCasesDir)
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binaryPath := path.Join(testDataDir, fmt.Sprintf("%s.wasm", checkSumStr))
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f, err := os.Create(binaryPath)
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if err != nil {
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panic(err)
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}
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defer f.Close()
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_, err = f.Write(bin)
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if err != nil {
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panic(err)
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}
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var watPath string
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if len(wat) != 0 {
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watPath = path.Join(testDataDir, fmt.Sprintf("%s.wat", checkSumStr))
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watF, err := os.Create(watPath)
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if err != nil {
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panic(err)
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}
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defer watF.Close()
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_, err = watF.Write([]byte(wat))
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if err != nil {
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panic(err)
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}
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fmt.Printf(`
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Failed WebAssembly Text:
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%s
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Failed Wasm binary has been written to %s
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Failed Wasm Text has been written to %s
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To reproduce the failure, execute: WASM_BINARY_PATH=%s go test -run=%s ./wazerolib/...
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`, wat, binaryPath, watPath, binaryPath, reproduceTestName)
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} else {
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fmt.Printf(`
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Failed WebAssembly Binary in hex: %s
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Failed Wasm binary has been written to %s
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To reproduce the failure, execute: WASM_BINARY_PATH=%s go test -run=%s ./wazerolib/...
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`, hex.EncodeToString(bin), binaryPath, binaryPath, reproduceTestName)
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}
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}
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