aminotest

func AssertCodecParity ¶

func AssertCodecParity(t *testing.T, cdc *amino.Codec, v any)

AssertCodecParity verifies that v round-trips identically through both the reflect codec (MarshalReflect / UnmarshalReflect) and the genproto2 fast path (MarshalBinary2 / UnmarshalBinary2), with the two codecs agreeing on every wire byte and every decoded value.

Asserted invariants:

1. Encoder parity: MarshalReflect(v) == MarshalBinary2(v).
2. Size invariant: SizeBinary2(v) == len(MarshalBinary2(v)).
3. Cross-decoder parity: UnmarshalReflect(bz) and UnmarshalBinary2(bz) produce deeply-equal values.
4. Roundtrip fidelity: both decoded values reflect.DeepEqual to v. This is strict — test inputs must avoid touching memoized caches (e.g., don't call Commit.Hash() or MakeBlock() on the input, since those populate unexported fields that won't be set on a freshly decoded value and would spuriously fail DeepEqual).

v must be a non-nil pointer to a value whose type implements amino.PBMessager2 (i.e., a type registered with genproto2).