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Add assertion for invalid constrainedSize in calculateSizeThatFits: (#2507)

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This commit is contained in:
Michael Schneider
2016-10-28 16:45:22 -07:00
committed by Adlai Holler
parent 09168ceee0
commit c4451edab1
3 changed files with 27 additions and 17 deletions
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17
AsyncDisplayKitTests/ASDisplayNodeTests.m
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@@ -2151,21 +2151,4 @@ static bool stringContainsPointer(NSString *description, id p) {
XCTAssertThrowsSpecificNamed([node calculateLayoutThatFits:ASSizeRangeMake(CGSizeMake(100, 100))], NSException, NSInternalInconsistencyException);
}
- (void)testThatLayoutWithInvalidSizeCausesException
{
ASDisplayNode *displayNode = [[ASDisplayNode alloc] init];
ASDisplayNode *node = [[ASDisplayNode alloc] init];
node.layoutSpecBlock = ^ASLayoutSpec *(ASDisplayNode *node, ASSizeRange constrainedSize) {
return [ASWrapperLayoutSpec wrapperWithLayoutElement:displayNode];
};
XCTAssertThrows([node layoutThatFits:ASSizeRangeMake(CGSizeMake(0, FLT_MAX))]);
// This dance is necessary as we would assert in case we create an ASDimension that is not real numbers
ASDimension width = displayNode.style.width;
width.value = INFINITY;
displayNode.style.width = width;
XCTAssertThrows([node layoutThatFits:ASSizeRangeMake(CGSizeMake(0, 0), CGSizeMake(INFINITY, INFINITY))]);
}
@end