logs := map[JSONLog]string{

JSONLog{Log: `"A log line with \\"`}: `^{\"log\":\"\\\"A log line with \\\\\\\\\\\"\",\"time\":\".{20,}\"}$`,

JSONLog{Log: "A log line"}: `^{\"log\":\"A log line\",\"time\":\".{20,}\"}$`,

JSONLog{Log: "A log line with \r"}: `^{\"log\":\"A log line with \\r\",\"time\":\".{20,}\"}$`,

JSONLog{Log: "A log line with & < >"}: `^{\"log\":\"A log line with \\u0026 \\u003c \\u003e\",\"time\":\".{20,}\"}$`,

JSONLog{Log: "A log line with utf8 : 🚀 ψ ω β"}: `^{\"log\":\"A log line with utf8 : 🚀 ψ ω β\",\"time\":\".{20,}\"}$`,

JSONLog{Stream: "stdout"}: `^{\"stream\":\"stdout\",\"time\":\".{20,}\"}$`,

JSONLog{}: `^{\"time\":\".{20,}\"}$`,

// These ones are a little weird

JSONLog{Log: "\u2028 \u2029"}: `^{\"log\":\"\\u2028 \\u2029\",\"time\":\".{20,}\"}$`,

JSONLog{Log: string([]byte{0xaF})}: `^{\"log\":\"\\ufffd\",\"time\":\".{20,}\"}$`,

JSONLog{Log: string([]byte{0x7F})}: `^{\"log\":\"\x7f\",\"time\":\".{20,}\"}$`,

}

for jsonLog, expression := range logs {

data, err := jsonLog.MarshalJSON()

if err != nil {

t.Fatal(err)

}

res := string(data)

t.Logf("Result of WriteLog: %q", res)

logRe := regexp.MustCompile(expression)

if !logRe.MatchString(res) {

t.Fatalf("Log line not in expected format [%v]: %q", expression, res)

}

}