mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-24 09:48:21 +00:00
0a416914d5
Summary: Quick rename before releasing 3.0 to get this API in parity w/ `isFirstSection` and `isLastSection`. My b I should have caught this in review. Closes #720 Reviewed By: jessesquires, amonshiz Differential Revision: D5031184 fbshipit-source-id: 1cd7b00c8b32084fecd861e78808eea0d0056337
105 lines
5 KiB
Objective-C
105 lines
5 KiB
Objective-C
/**
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* Copyright (c) 2016-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <XCTest/XCTest.h>
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#import "IGListSectionMap.h"
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#import "IGListTestSection.h"
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#import "IGTestObject.h"
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@interface IGListSectionMapTests : XCTestCase
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@end
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@implementation IGListSectionMapTests
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- (void)test_whenUpdatingItems_thatArraysAreEqual {
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NSArray *objects = @[@0, @1, @2];
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NSArray *sectionControllers = @[[IGListTestSection new], [IGListTestSection new], [IGListTestSection new]];
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IGListSectionMap *map = [[IGListSectionMap alloc] initWithMapTable:[NSMapTable strongToStrongObjectsMapTable]];
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[map updateWithObjects:objects sectionControllers:sectionControllers];
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XCTAssertEqualObjects(objects, map.objects);
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}
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- (void)test_whenUpdatingItems_thatSectionControllersAreMappedForSection {
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NSArray *objects = @[@0, @1, @2];
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NSArray *sectionControllers = @[[IGListTestSection new], [IGListTestSection new], [IGListTestSection new]];
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IGListSectionMap *map = [[IGListSectionMap alloc] initWithMapTable:[NSMapTable strongToStrongObjectsMapTable]];
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[map updateWithObjects:objects sectionControllers:sectionControllers];
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XCTAssertEqualObjects([map sectionControllerForSection:1], sectionControllers[1]);
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}
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- (void)test_whenUpdatingItems_thatSectionControllersAreMappedForItem {
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NSArray *objects = @[@0, @1, @2];
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NSArray *sectionControllers = @[[IGListTestSection new], [IGListTestSection new], [IGListTestSection new]];
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IGListSectionMap *map = [[IGListSectionMap alloc] initWithMapTable:[NSMapTable strongToStrongObjectsMapTable]];
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[map updateWithObjects:objects sectionControllers:sectionControllers];
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XCTAssertEqual([map sectionControllerForObject:objects[1]], sectionControllers[1]);
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}
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- (void)test_whenUpdatingItems_thatSectionsAreMappedForSectionController {
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NSArray *objects = @[@0, @1, @2];
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NSArray *sectionControllers = @[[IGListTestSection new], [IGListTestSection new], [IGListTestSection new]];
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IGListSectionMap *map = [[IGListSectionMap alloc] initWithMapTable:[NSMapTable strongToStrongObjectsMapTable]];
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[map updateWithObjects:objects sectionControllers:sectionControllers];
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XCTAssertEqual([map sectionForSectionController:sectionControllers[1]], 1);
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}
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- (void)test_whenUpdatingItems_withUnknownItem_thatSectionControllerIsNil {
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NSArray *objects = @[@0, @1, @2];
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NSArray *sectionControllers = @[[IGListTestSection new], [IGListTestSection new], [IGListTestSection new]];
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IGListSectionMap *map = [[IGListSectionMap alloc] initWithMapTable:[NSMapTable strongToStrongObjectsMapTable]];
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[map updateWithObjects:objects sectionControllers:sectionControllers];
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XCTAssertNil([map sectionControllerForObject:@4]);
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}
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- (void)test_whenUpdatingItems_withSectionController_thatSectionIsNotFound {
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NSArray *objects = @[@0, @1, @2];
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NSArray *sectionControllers = @[[IGListTestSection new], [IGListTestSection new], [IGListTestSection new]];
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IGListSectionMap *map = [[IGListSectionMap alloc] initWithMapTable:[NSMapTable strongToStrongObjectsMapTable]];
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[map updateWithObjects:objects sectionControllers:sectionControllers];
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XCTAssertEqual([map sectionForSectionController:[IGListTestSection new]], NSNotFound);
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}
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- (void)test_whenEnumeratingMap_withStopFlagSet_thatEnumerationEndsEarly {
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NSArray *objects = @[@0, @1, @2];
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NSArray *sectionControllers = @[[IGListTestSection new], [IGListTestSection new], [IGListTestSection new]];
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IGListSectionMap *map = [[IGListSectionMap alloc] initWithMapTable:[NSMapTable strongToStrongObjectsMapTable]];
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[map updateWithObjects:objects sectionControllers:sectionControllers];
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__block NSInteger counter = 0;
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[map enumerateUsingBlock:^(id item, IGListSectionController * sectionController, NSInteger section, BOOL *stop) {
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counter++;
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*stop = section == 1;
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}];
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XCTAssertEqual(counter, 2);
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}
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- (void)test_whenAccessingOOBSection_thatNilIsReturned {
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NSArray *objects = @[@0, @1, @2];
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NSArray *sectionControllers = @[[IGListTestSection new], [IGListTestSection new], [IGListTestSection new]];
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IGListSectionMap *map = [[IGListSectionMap alloc] initWithMapTable:[NSMapTable strongToStrongObjectsMapTable]];
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[map updateWithObjects:objects sectionControllers:sectionControllers];
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XCTAssertNil([map objectForSection:4]);
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}
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- (void)test_whenUpdatingItems_thatSectionControllerIndexesAreUpdated {
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NSArray *objects = @[@0, @1, @2];
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IGListTestSection *one = [IGListTestSection new];
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XCTAssertEqual(one.section, NSNotFound);
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NSArray *sectionControllers = @[[IGListTestSection new], one, [IGListTestSection new]];
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IGListSectionMap *map = [[IGListSectionMap alloc] initWithMapTable:[NSMapTable strongToStrongObjectsMapTable]];
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[map updateWithObjects:objects sectionControllers:sectionControllers];
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XCTAssertEqual(one.section, 1);
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XCTAssertFalse(one.isFirstSection);
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}
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@end
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