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fn reanchor_preserves_sorting() {
use super::*;
use alloc::vec;
let reanchor_context = X1(Parachain(2000));
let dest = MultiLocation::new(1, Here);
let asset_1: MultiAsset =
(MultiLocation::new(0, X2(PalletInstance(50), GeneralIndex(1))), 10).into();
let mut asset_1_reanchored = asset_1.clone();
assert!(asset_1_reanchored.reanchor(&dest, reanchor_context).is_ok());
assert_eq!(
asset_1_reanchored,
(MultiLocation::new(0, X3(Parachain(2000), PalletInstance(50), GeneralIndex(1))), 10)
.into()
);
let asset_2: MultiAsset = (MultiLocation::new(1, Here), 10).into();
let mut asset_2_reanchored = asset_2.clone();
assert!(asset_2_reanchored.reanchor(&dest, reanchor_context).is_ok());
assert_eq!(asset_2_reanchored, (MultiLocation::new(0, Here), 10).into());
let asset_3: MultiAsset = (MultiLocation::new(1, X1(Parachain(1000))), 10).into();
let mut asset_3_reanchored = asset_3.clone();
assert!(asset_3_reanchored.reanchor(&dest, reanchor_context).is_ok());
assert_eq!(asset_3_reanchored, (MultiLocation::new(0, X1(Parachain(1000))), 10).into());
let mut assets: MultiAssets =
vec![asset_1.clone(), asset_2.clone(), asset_3.clone()].into();
assert_eq!(assets.clone(), vec![asset_1.clone(), asset_2.clone(), asset_3.clone()].into());
assert!(assets.reanchor(&dest, reanchor_context).is_ok());
assert_eq!(assets, vec![asset_2_reanchored, asset_3_reanchored, asset_1_reanchored].into());
}
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#[test]
fn decoding_respects_limit() {
use super::*;
// Having lots of one asset will work since they are deduplicated
let lots_of_one_asset: MultiAssets =
vec![(GeneralIndex(1), 1u128).into(); MAX_ITEMS_IN_MULTIASSETS + 1].into();
let encoded = lots_of_one_asset.encode();
assert!(MultiAssets::decode(&mut &encoded[..]).is_ok());
// Fewer assets than the limit works
let mut few_assets: MultiAssets = Vec::new().into();
for i in 0..MAX_ITEMS_IN_MULTIASSETS {
few_assets.push((GeneralIndex(i as u128), 1u128).into());
}
let encoded = few_assets.encode();
assert!(MultiAssets::decode(&mut &encoded[..]).is_ok());
// Having lots of different assets will not work
let mut too_many_different_assets: MultiAssets = Vec::new().into();
for i in 0..MAX_ITEMS_IN_MULTIASSETS + 1 {
too_many_different_assets.push((GeneralIndex(i as u128), 1u128).into());
}
let encoded = too_many_different_assets.encode();
assert!(MultiAssets::decode(&mut &encoded[..]).is_err());
}