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Add Freeze/Thaw events and tests (#13779)

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* Add Freeze/Thaw events and tests

* Remove duplicate docstring

* Correct spelling error

* Cargo fmt

* Use proper punctuation in docstring

Co-authored-by: Jegor Sidorenko <5252494+jsidorenko@users.noreply.github.com>

---------

Co-authored-by: Jegor Sidorenko <5252494+jsidorenko@users.noreply.github.com>
Co-authored-by: parity-processbot <>
This commit is contained in:
Harald Heckmann
2023-04-21 12:06:26 +02:00
committed by GitHub
parent bc1a599284
commit 4411e8cec2
2 changed files with 61 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/balances/src/tests/fungible_tests.rs
+46
View File
@@ -397,3 +397,49 @@ fn unholding_frees_hold_slot() {
assert_ok!(Balances::hold(&TestId::Baz, &1, 10));
});
}
#[test]
fn emit_events_with_changing_freezes() {
ExtBuilder::default().build_and_execute_with(|| {
let _ = Balances::set_balance(&1, 100);
System::reset_events();
// Freeze = [] --> [10]
assert_ok!(Balances::set_freeze(&TestId::Foo, &1, 10));
assert_eq!(events(), [RuntimeEvent::Balances(crate::Event::Frozen { who: 1, amount: 10 })]);
// Freeze = [10] --> [15]
assert_ok!(Balances::set_freeze(&TestId::Foo, &1, 15));
assert_eq!(events(), [RuntimeEvent::Balances(crate::Event::Frozen { who: 1, amount: 5 })]);
// Freeze = [15] --> [15, 20]
assert_ok!(Balances::set_freeze(&TestId::Bar, &1, 20));
assert_eq!(events(), [RuntimeEvent::Balances(crate::Event::Frozen { who: 1, amount: 5 })]);
// Freeze = [15, 20] --> [17, 20]
assert_ok!(Balances::set_freeze(&TestId::Foo, &1, 17));
for event in events() {
match event {
RuntimeEvent::Balances(crate::Event::Frozen { .. }) => {
assert!(false, "unexpected freeze event")
},
RuntimeEvent::Balances(crate::Event::Thawed { .. }) => {
assert!(false, "unexpected thaw event")
},
_ => continue,
}
}
// Freeze = [17, 20] --> [17, 15]
assert_ok!(Balances::set_freeze(&TestId::Bar, &1, 15));
assert_eq!(events(), [RuntimeEvent::Balances(crate::Event::Thawed { who: 1, amount: 3 })]);
// Freeze = [17, 15] --> [15]
assert_ok!(Balances::thaw(&TestId::Foo, &1));
assert_eq!(events(), [RuntimeEvent::Balances(crate::Event::Thawed { who: 1, amount: 2 })]);
// Freeze = [15] --> []
assert_ok!(Balances::thaw(&TestId::Bar, &1));
assert_eq!(events(), [RuntimeEvent::Balances(crate::Event::Thawed { who: 1, amount: 15 })]);
});
}