Swiftgram/AsyncDisplayKitTests/ASDimensionTests.mm

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/*
* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
#import <XCTest/XCTest.h>
#import "ASDimension.h"
@interface ASDimensionTests : XCTestCase
@end
@implementation ASDimensionTests
- (void)testIntersectingOverlappingSizeRangesReturnsTheirIntersection
{
// range: |---------|
// other: |----------|
// result: |----|
ASSizeRange range = {{0,0}, {10,10}};
ASSizeRange other = {{7,7}, {15,15}};
ASSizeRange result = ASSizeRangeIntersect(range, other);
ASSizeRange expected = {{7,7}, {10,10}};
XCTAssertTrue(ASSizeRangeEqualToSizeRange(result, expected), @"Expected %@ but got %@", NSStringFromASSizeRange(expected), NSStringFromASSizeRange(result));
}
- (void)testIntersectingSizeRangeWithRangeThatContainsItReturnsSameRange
{
// range: |-----|
// other: |---------|
// result: |-----|
ASSizeRange range = {{2,2}, {8,8}};
ASSizeRange other = {{0,0}, {10,10}};
ASSizeRange result = ASSizeRangeIntersect(range, other);
ASSizeRange expected = {{2,2}, {8,8}};
XCTAssertTrue(ASSizeRangeEqualToSizeRange(result, expected), @"Expected %@ but got %@", NSStringFromASSizeRange(expected), NSStringFromASSizeRange(result));
}
- (void)testIntersectingSizeRangeWithRangeContainedWithinItReturnsContainedRange
{
// range: |---------|
// other: |-----|
// result: |-----|
ASSizeRange range = {{0,0}, {10,10}};
ASSizeRange other = {{2,2}, {8,8}};
ASSizeRange result = ASSizeRangeIntersect(range, other);
ASSizeRange expected = {{2,2}, {8,8}};
XCTAssertTrue(ASSizeRangeEqualToSizeRange(result, expected), @"Expected %@ but got %@", NSStringFromASSizeRange(expected), NSStringFromASSizeRange(result));
}
- (void)testIntersectingSizeRangeWithNonOverlappingRangeToRightReturnsSinglePointNearestOtherRange
{
// range: |-----|
// other: |---|
// result: *
ASSizeRange range = {{0,0}, {5,5}};
ASSizeRange other = {{10,10}, {15,15}};
ASSizeRange result = ASSizeRangeIntersect(range, other);
ASSizeRange expected = {{5,5}, {5,5}};
XCTAssertTrue(ASSizeRangeEqualToSizeRange(result, expected), @"Expected %@ but got %@", NSStringFromASSizeRange(expected), NSStringFromASSizeRange(result));
}
- (void)testIntersectingSizeRangeWithNonOverlappingRangeToLeftReturnsSinglePointNearestOtherRange
{
// range: |---|
// other: |-----|
// result: *
ASSizeRange range = {{10,10}, {15,15}};
ASSizeRange other = {{0,0}, {5,5}};
ASSizeRange result = ASSizeRangeIntersect(range, other);
ASSizeRange expected = {{10,10}, {10,10}};
XCTAssertTrue(ASSizeRangeEqualToSizeRange(result, expected), @"Expected %@ but got %@", NSStringFromASSizeRange(expected), NSStringFromASSizeRange(result));
}
@end