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50 lines
1.8 KiB
Objective-C
50 lines
1.8 KiB
Objective-C
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "FunctionalUtil.h"
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#import "SignalBaseTest.h"
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#import "TestUtil.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) testAny {
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test(![@[] any:^(id x) { return false; }]);
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test(![@[] any:^(id x) { return true; }]);
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test(![@[@1] any:^(id x) { return false; }]);
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test([@[@1] any:^(id x) { return true; }]);
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test([(@[@2, @3, @5]) any:^(NSNumber* x) { return x.intValue == 3; }]);
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test(![(@[@2, @4, @5]) any:^(NSNumber* x) { return x.intValue == 3; }]);
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}
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-(void) testMap {
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test([[@[] map:^(id x) { return x; }] isEqualToArray:@[]]);
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test([[(@[@1,@2]) map:^(id x) { return x; }] isEqualToArray:(@[@1,@2])]);
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test([[(@[@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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test([[@[] filter:^(id x) { return true; }] isEqualToArray:@[]]);
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test([[(@[@1,@2]) filter:^(NSNumber* x) { return true; }] isEqualToArray:(@[@1,@2])]);
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test([[(@[@1,@2]) filter:^(NSNumber* x) { return false; }] isEqualToArray:(@[])]);
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test([[(@[@1,@2]) filter:^(NSNumber* x) { return x.intValue == 1; }] isEqualToArray:(@[@1])]);
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test([[(@[@1,@2]) filter:^(NSNumber* x) { return x.intValue == 2; }] isEqualToArray:(@[@2])]);
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}
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-(void) testGroupBy {
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test([[@[] groupBy:^id(id value) { return @true; }] isEqual:@{}]);
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test([[@[@1] groupBy:^id(id value) { return @true; }] isEqual:@{@true : @[@1]}]);
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test([[(@[@1, @2]) groupBy:^id(id value) { return @true; }] isEqual:@{@true : (@[@1, @2])}]);
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test([[(@[@1, @2]) groupBy:^id(id value) { return value; }] isEqual:(@{@1 : @[@1], @2 : @[@2]})]);
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test([[(@[@1, @1, @2, @3, @5]) groupBy:^id(NSNumber* value) { return @(value.intValue/2); }] isEqual:(@{@0 : @[@1, @1], @1 : @[@2, @3], @2 : @[@5]})]);
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}
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@end
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