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114 lines
2.6 KiB
114 lines
2.6 KiB
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <Foundation/Foundation.h>
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@interface Basic : NSObject
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@end
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@implementation Basic
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- (void)call_autorelease_constant {
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NSString* x = [[NSString alloc] initWith:"test"];
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return [x autorelease];
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}
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- (void)autoreleased_in_loop_linear:(int)n {
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for (int i = 0; i < n; i++) {
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[self call_autorelease_constant];
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}
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}
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- (void)autoreleased_in_autoreleasepool_zero:(int)n {
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for (int i = 0; i < n; i++) {
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@autoreleasepool {
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[self call_autorelease_constant];
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}
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}
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}
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/* This function is problematic because autoreleased objects inside the loop
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will not be released until the loop terminates. However, the checker is not
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measuring peak memory but size of autoreleasepool increased by the function.
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Since we wrap the loop inside the autoreleasepool block, we will be setting
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the size to 0 for the whole function. */
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- (void)loop_in_autoreleasepool_zero:(int)n {
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@autoreleasepool {
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for (int i = 0; i < n; i++) {
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[self call_autorelease_constant];
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}
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}
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}
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- (void)autoreleased_in_loop_nested_zero:(int)n {
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@autoreleasepool {
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for (int i = 0; i < n; i++) {
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for (int j = 0; j < n; j++) {
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[self call_autorelease_constant];
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}
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@autoreleasepool {
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[self call_autorelease_constant];
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}
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}
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}
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}
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- (void)autoreleased_in_loop_sequential_constant:(int)n {
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@autoreleasepool {
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for (int i = 0; i < n; i++) {
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[self call_autorelease_constant];
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}
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}
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[self call_autorelease_constant];
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@autoreleasepool {
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for (int i = 0; i < n; i++) {
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[self call_autorelease_constant];
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}
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}
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}
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- (void)autoreleased_in_loop_sequential_linear:(int)n {
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@autoreleasepool {
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[self call_autorelease_constant];
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}
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for (int i = 0; i < n; i++) {
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[self call_autorelease_constant];
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}
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@autoreleasepool {
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[self call_autorelease_constant];
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}
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}
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- (void)call_no_autorelease_zero {
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NSString* x = [[NSString alloc] initWith:"test"];
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return x;
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}
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- (void)no_autoreleased_in_loop_zero:(int)n {
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for (int i = 0; i < n; i++) {
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[self call_no_autorelease];
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}
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}
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- (void)autorelease_unreachable_zero:(int)n {
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int i = 1;
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if (i == 0) {
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for (int j = 0; j < n; j++) {
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[self call_autorelease_constant];
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}
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}
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}
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- (void)multiple_autorelease_constants:(int)n {
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[self call_autorelease_constant];
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for (int i = 0; i < n; i++) {
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[self call_autorelease_constant];
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}
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[self call_autorelease_constant];
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}
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@end
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