# Varlen init < 1
test_name_: test_varlen_init
hash_len__: 0
buffer_len: 32
error_desc: `hash_len` is too small

# Varlen init > 64
test_name_: test_varlen_init
hash_len__: 65
buffer_len: 32
error_desc: `hash_len` is too large

# Varlen finish buf_len != hash_len
test_name_: test_varlen_finish
hash_len__: 47
buffer_len: 46
error_desc: `buf.len()` is invalid

# Constlen finish buf_len != 64
test_name_: test_constlen_finish
hash_len__: 0
buffer_len: 63
error_desc: `buf.len()` is invalid