use std::error::Error;
use std::hash::DefaultHasher;
use std::hash::Hash;
use std::hash::Hasher;
use qubit_codec::TranscodeContractError;
#[test]
fn test_transcode_contract_error_display_formats_all_variants() {
assert_eq!(
"transcoder consumed 3 units but only 2 were available",
TranscodeContractError::OverRead { read: 3, available: 2 }.to_string(),
);
assert_eq!(
"transcoder wrote 5 units but only 4 output slots were available",
TranscodeContractError::OverWritten {
written: 5,
available: 4,
}
.to_string(),
);
assert_eq!(
"transcoder progress overflow: index 7 plus advanced 8",
TranscodeContractError::ProgressIndexOverflow { index: 7, advanced: 8 }.to_string(),
);
assert_eq!(
"transcoder reported required 2 with available 2",
TranscodeContractError::SatisfiedNeed {
required: 2,
available: 2,
}
.to_string(),
);
assert_eq!(
"transcoder reported Complete after consuming 1 of 2 available input units",
TranscodeContractError::CompleteWithRemainingInput { read: 1, available: 2 }.to_string(),
);
}
#[test]
fn test_transcode_contract_error_is_copy_hashable_and_has_no_source() {
let error = TranscodeContractError::OverRead { read: 3, available: 2 };
let copied = error;
assert_eq!(error, copied);
assert!(error.source().is_none());
let mut first = DefaultHasher::new();
error.hash(&mut first);
let mut second = DefaultHasher::new();
copied.hash(&mut second);
assert_eq!(first.finish(), second.finish());
}