Function runDifferentialGate

encoding_json_fuzz_test.go:555–578

============================================================================= Gate G: Differential — jsonparser vs encoding/json number parsing ============================================================================= runDifferentialGate feeds the SAME number token to both jsonparser's ParseInt/

(t *testing.T, data []byte)

// For VALID JSON number tokens, the two implementations MUST agree. Any
// disagreement here is a real bug in jsonparser OR in encoding/json.
func runDifferentialGate(t *testing.T, data []byte) {
	t.Helper()
	if !json.Valid(data) {
		return
	}
	encodingJSONNoPanic(t, "Differential", data, func() {
		// Root scalar number.
		if val, dt, _, err := Get(data); err == nil && dt == Number && len(val) > 0 {
			compareNumberParsing(t, val, data)
		}
		// Object value at a common key.
		if val, dt, _, err := Get(data, "a"); err == nil && dt == Number && len(val) > 0 {
			compareNumberParsing(t, val, data)
		}
		// Each element of a root array.
		if containerIs(data, '[') {
			_, _ = ArrayEach(data, func(value []byte, vt ValueType, off int, err error) {
				if vt == Number && len(value) > 0 {
					compareNumberParsing(t, value, data)
				}
			})
		}
	})
}

// compareNumberParsing cross-checks jsonparser.ParseInt/ParseFloat against
// encoding/json's json.Number (the canonical reference).