Function encodingJSONNoPanic

encoding_json_fuzz_test.go:113–122

============================================================================= Shared helpers ============================================================================= encodingJSONNoPanic runs fn and fails the test on panic (Gate A). The panic value and stack are included so a real stdlib bug car

(t *testing.T, label string, data []byte, fn func())

// panic value and stack are included so a real stdlib bug carries full
// diagnostic context for the minimizing reproducer.
func encodingJSONNoPanic(t *testing.T, label string, data []byte, fn func()) {
	t.Helper()
	defer func() {
		if r := recover(); r != nil {
			t.Errorf("encoding/json PANIC in %s (Gate A / NO-PANIC violation): %v\n%s\ndata=%s",
				label, r, debug.Stack(), truncateForMsg(data))
		}
	}()
	fn()
}

// truncateForMsg renders a byte slice for inclusion in an error message,
// truncating very large inputs (e.g. the 100 KB deep-nesting seed) so test