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Add test for layout transition measurement completion block is called on main thread (#2162)

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This commit is contained in:
Michael Schneider
2016-08-28 15:55:55 -07:00
committed by Adlai Holler
parent bab601460e
commit cf08f3a73e
1 changed files with 17 additions and 0 deletions
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17
AsyncDisplayKitTests/ASDisplayNodeImplicitHierarchyTests.m
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@@ -117,6 +117,23 @@
XCTAssertEqual(node.subnodes[2], node2);
}
- (void)testLayoutTransitionMeasurementCompletionBlockIsCalledOnMainThread
{
ASDisplayNode *displayNode = [ASDisplayNode new];
// Trigger explicit view creation to be able to use the Transition API
[displayNode view];
XCTestExpectation *expectation = [self expectationWithDescription:@"Call measurement completion block on main"];
[displayNode transitionLayoutWithSizeRange:ASSizeRangeMake(CGSizeZero, CGSizeZero) animated:YES measurementCompletion:^{
XCTAssertTrue(ASDisplayNodeThreadIsMain(), @"Measurement completion block should be called on main thread");
[expectation fulfill];
}];
[self waitForExpectationsWithTimeout:2.0 handler:nil];
}
- (void)testMeasurementInBackgroundThreadWithLoadedNode
{
ASDisplayNode *node1 = [[ASDisplayNode alloc] init];