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Add swap and decode_len to DoubleMap finishing #3749 (#4264)

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* Add `swap` and `decode_len` to `DoubleMap`

*  Add tests to `swap` and `decode_len` for `DoubleMap` (WIP)

* Address review comments

* Remove function that is not in scope

* fix test

* better naming
This commit is contained in:
thiolliere
2019-12-02 13:01:29 +01:00
committed by Bastian Köcher
parent 810ac845b5
commit 22c00ff424
5 changed files with 109 additions and 2 deletions
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substrate/frame/support/test/tests/decl_storage.rs
+16
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@@ -521,6 +521,10 @@ mod test_append_and_len {
MapVecWithDefault: map u32 => Vec<u32> = vec![6, 9];
OptionMapVec: map u32 => Option<Vec<u32>>;
DoubleMapVec: double_map u32, blake2_256(u32) => Vec<u32>;
DoubleMapVecWithDefault: double_map u32, blake2_256(u32) => Vec<u32> = vec![6, 9];
OptionDoubleMapVec: double_map u32, blake2_256(u32) => Option<Vec<u32>>;
LinkedMapVec: linked_map u32 => Vec<u32>;
LinkedMapVecWithDefault: linked_map u32 => Vec<u32> = vec![6, 9];
OptionLinkedMapVec: linked_map u32 => Option<Vec<u32>>;
@@ -596,11 +600,13 @@ mod test_append_and_len {
OptionVec::put(&vec![1, 2, 3, 4, 5]);
MapVec::insert(1, &vec![1, 2, 3, 4, 5, 6]);
LinkedMapVec::insert(2, &vec![1, 2, 3]);
DoubleMapVec::insert(0, 1, &vec![1, 2]);
assert_eq!(JustVec::decode_len().unwrap(), 4);
assert_eq!(OptionVec::decode_len().unwrap(), 5);
assert_eq!(MapVec::decode_len(1).unwrap(), 6);
assert_eq!(LinkedMapVec::decode_len(2).unwrap(), 3);
assert_eq!(DoubleMapVec::decode_len(0, 1).unwrap(), 2);
});
}
@@ -636,6 +642,16 @@ mod test_append_and_len {
assert_eq!(OptionLinkedMapVec::get(0), None);
assert_eq!(OptionLinkedMapVec::decode_len(0), Ok(0));
// Double map
assert_eq!(DoubleMapVec::get(0, 0), vec![]);
assert_eq!(DoubleMapVec::decode_len(0, 1), Ok(0));
assert_eq!(DoubleMapVecWithDefault::get(0, 0), vec![6, 9]);
assert_eq!(DoubleMapVecWithDefault::decode_len(0, 1), Ok(2));
assert_eq!(OptionDoubleMapVec::get(0, 0), None);
assert_eq!(OptionDoubleMapVec::decode_len(0, 1), Ok(0));
});
}
}