package chaincfg

import "testing"

// TestInvalidHashStr ensures the newShaHashFromStr function panics when used to with an invalid hash string.
func TestInvalidHashStr(t *testing.T) {
	defer func() {
		if r := recover(); r == nil {
			t.Errorf("Expected panic for invalid hash, got nil")
		}
	}()
	newHashFromStr("banana")
}

// TestMustRegisterPanic ensures the mustRegister function panics when used to register an invalid network.
func TestMustRegisterPanic(t *testing.T) {
	t.Parallel()
	// Setup a defer to catch the expected panic to ensure it actually paniced.
	defer func() {
		if e := recover(); e == nil {
			t.Error("mustRegister did not panic as expected")
		}
	}()
	// Intentionally try to register duplicate netparams to force a panic.
	mustRegister(&MainNetParams)
}