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Test move sorting and pointer equality

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Summary:
A couple other methods that were missing coverage.

- [x] All tests pass. Demo project builds and runs.
- [x] I added tests, an experiment, or detailed why my change isn't tested.
- [x] I have reviewed the [contributing guide](https://github.com/Instagram/IGListKit/blob/master/CONTRIBUTING.md)
Closes https://github.com/Instagram/IGListKit/pull/222

Differential Revision: D4206510

Pulled By: rnystrom

fbshipit-source-id: c21a88a00881dc88cc20b3957179e4d267be95a3
This commit is contained in:
Ryan Nystrom
2016-11-18 13:23:04 -08:00
committed by Facebook Github Bot
parent 8c32f2581f
commit 920ed00a7f
1 changed files with 48 additions and 0 deletions
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48
Tests/IGListDiffResultTests.m
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@@ -68,4 +68,52 @@
XCTAssertEqual(set.count, 2);
}
- (void)test_whenComparingMovePointers_withIndexPaths_thatEqual {
IGListMoveIndexPath *move = [[IGListMoveIndexPath alloc] initWithFrom:[NSIndexPath new] to:[NSIndexPath new]];
XCTAssertTrue([move isEqual:move]);
}
- (void)test_whenComparingMovePointers_withIndexes_thatEqual {
IGListMoveIndex *move = [[IGListMoveIndex alloc] initWithFrom:1 to:1];
XCTAssertTrue([move isEqual:move]);
}
- (void)test_whenComparingMoves_withIndexPaths_withNonMove_thatNotEqual {
IGListMoveIndexPath *move = [[IGListMoveIndexPath alloc] initWithFrom:[NSIndexPath new] to:[NSIndexPath new]];
XCTAssertFalse([move isEqual:[NSObject new]]);
}
- (void)test_whenComparingMoves_withIndexes_withNonMove_thatNotEqual {
IGListMoveIndex *move = [[IGListMoveIndex alloc] initWithFrom:1 to:1];
XCTAssertFalse([move isEqual:[NSObject new]]);
}
- (void)test_whenSortingMoves_withIndexPaths_thatSorted {
NSArray *moves = @[
[[IGListMoveIndexPath alloc] initWithFrom:[NSIndexPath indexPathForItem:2 inSection:2]
to:[NSIndexPath indexPathForItem:3 inSection:3]],
[[IGListMoveIndexPath alloc] initWithFrom:[NSIndexPath indexPathForItem:6 inSection:3]
to:[NSIndexPath indexPathForItem:7 inSection:4]],
[[IGListMoveIndexPath alloc] initWithFrom:[NSIndexPath indexPathForItem:0 inSection:1]
to:[NSIndexPath indexPathForItem:1 inSection:5]],
[[IGListMoveIndexPath alloc] initWithFrom:[NSIndexPath indexPathForItem:2 inSection:2]
to:[NSIndexPath indexPathForItem:3 inSection:3]],
];
NSArray *expected = @[moves[2], moves[0], moves[3], moves[1]];
NSArray *sorted = [moves sortedArrayUsingSelector:@selector(compare:)];
XCTAssertEqualObjects(sorted, expected);
}
- (void)test_whenSortingMoves_withIndexes_thatSorted {
NSArray *moves = @[
[[IGListMoveIndex alloc] initWithFrom:2 to:2],
[[IGListMoveIndex alloc] initWithFrom:3 to:2],
[[IGListMoveIndex alloc] initWithFrom:1 to:2],
[[IGListMoveIndex alloc] initWithFrom:2 to:2],
];
NSArray *expected = @[moves[2], moves[0], moves[3], moves[1]];
NSArray *sorted = [moves sortedArrayUsingSelector:@selector(compare:)];
XCTAssertEqualObjects(sorted, expected);
}
@end