63 lines
2.4 KiB
Objective-C
63 lines
2.4 KiB
Objective-C
//
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// Copyright 2014 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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#import "SignalBaseTest.h"
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#import <SignalServiceKit/FunctionalUtil.h>
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@interface FunctionalUtilTest : SignalBaseTest
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@end
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#pragma mark -
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@implementation FunctionalUtilTest
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- (void)testFirstMatch
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{
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NSArray<NSString *> *testArray = @[ @"Hello", @"my", @"name", @"is", @"Michelle" ];
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NSString *result1 = [testArray firstSatisfying:^BOOL(NSString *item) { return YES; }];
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NSString *result2 = [testArray firstSatisfying:^BOOL(NSString *item) { return item.length > 5; }];
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NSString *result3 = [testArray firstSatisfying:^BOOL(NSString *item) { return item.length <= 2; }];
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NSString *result4 = [testArray firstSatisfying:^BOOL(NSString *item) { return [item isEqualToString:@"Hello"]; }];
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NSString *result5 = [testArray firstSatisfying:^BOOL(NSString *item) { return [item isEqualToString:@"Goodbye"]; }];
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NSString *result6 = [@[] firstSatisfying:^BOOL(id item) { return YES; }];
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XCTAssert(result1 == testArray[0]);
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XCTAssert(result2 == testArray[4]);
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XCTAssert(result3 == testArray[1]);
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XCTAssert(result4 == testArray[0]);
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XCTAssert(result5 == nil);
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XCTAssert(result6 == nil);
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}
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- (void)testAnySatisfy
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{
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XCTAssert(![@[] anySatisfy:^(id x) { return NO; }]);
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XCTAssert(![@[] anySatisfy:^(id x) { return YES; }]);
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XCTAssert(![@[ @1 ] anySatisfy:^(id x) { return NO; }]);
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XCTAssert([@[ @1 ] anySatisfy:^(id x) { return YES; }]);
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XCTAssert([(@[ @2, @3, @5 ]) anySatisfy:^BOOL(NSNumber *x) { return x.intValue == 3; }]);
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XCTAssert(![(@[ @2, @4, @5 ]) anySatisfy:^BOOL(NSNumber *x) { return x.intValue == 3; }]);
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}
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- (void)testMap
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{
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XCTAssert([[@[] map:^(id x) { return x; }] isEqualToArray:@[]]);
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XCTAssert([[(@[ @1, @2 ]) map:^(id x) { return x; }] isEqualToArray:(@[ @1, @2 ])]);
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XCTAssert([[(@[ @1, @2 ]) map:^(NSNumber *x) { return @(x.intValue + 1); }] isEqualToArray:(@[ @2, @3 ])]);
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}
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- (void)testFilter
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{
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XCTAssert([[@[] filter:^(id x) { return YES; }] isEqualToArray:@[]]);
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XCTAssert([[(@[ @1, @2 ]) filter:^(NSNumber *x) { return YES; }] isEqualToArray:(@[ @1, @2 ])]);
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XCTAssert([[(@[ @1, @2 ]) filter:^(NSNumber *x) { return NO; }] isEqualToArray:(@[])]);
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XCTAssert([[(@[ @1, @2 ]) filter:^BOOL(NSNumber *x) { return x.intValue == 1; }] isEqualToArray:(@[ @1 ])]);
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XCTAssert([[(@[ @1, @2 ]) filter:^BOOL(NSNumber *x) { return x.intValue == 2; }] isEqualToArray:(@[ @2 ])]);
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}
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@end
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