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Build a test that fires up 2000 threads to instantiate `ASTextKitContext` both with and without the global lock. Both pass down to iOS10 in the simulator. See #1455 for more.
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Greg Bolsinga
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Nov 25, 2019
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| // | ||
| // ASTextKitContextConcurrencyTests.m | ||
| // AsyncDisplayKitTests | ||
| // | ||
| // Created by Greg Bolsinga on 11/25/19. | ||
| // Copyright © 2019 Pinterest. All rights reserved. | ||
| // | ||
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| #import "ASTestCase.h" | ||
| #import <AsyncDisplayKit/ASTextKitContext.h> | ||
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| static const NSUInteger ASTextContextConcurrentCount = 2000; | ||
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| static void *createContext(void *arg) | ||
| { | ||
| BOOL enableGlobalLock = *(BOOL *)arg; | ||
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| ASTextKitContext *context = [[ASTextKitContext alloc] initWithAttributedString:[[NSAttributedString alloc] initWithString:@""] | ||
| tintColor:nil | ||
| lineBreakMode:NSLineBreakByWordWrapping | ||
| maximumNumberOfLines:100 | ||
| exclusionPaths:nil | ||
| constrainedSize:CGSizeZero | ||
| enableGlobalLock:enableGlobalLock]; | ||
| return (__bridge void *)(context); | ||
| } | ||
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| @interface ASTextKitContextConcurrencyTests : ASTestCase | ||
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| @end | ||
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| @implementation ASTextKitContextConcurrencyTests | ||
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| - (void)_instantiateTextContextConcurrencyCount:(NSUInteger)concurrencyCount enableGlobalLock:(BOOL)enableGlobalLock | ||
| { | ||
| pthread_t threads[concurrencyCount]; | ||
| for (NSUInteger i = 0; i < concurrencyCount; i++) { | ||
| pthread_create(&threads[i], NULL, createContext, &enableGlobalLock); | ||
| } | ||
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| for (NSUInteger i = 0; i < concurrencyCount; i++) { | ||
| pthread_join(threads[i], NULL); | ||
| } | ||
| } | ||
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| - (void)testTextContextConcurrency_disableGlobalLock | ||
| { | ||
| [self _instantiateTextContextConcurrencyCount:ASTextContextConcurrentCount enableGlobalLock:NO]; | ||
| } | ||
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| - (void)testTextContextConcurrency_default | ||
| { | ||
| [self _instantiateTextContextConcurrencyCount:ASTextContextConcurrentCount enableGlobalLock:YES]; | ||
| } | ||
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| @end |