mirror of
https://github.com/status-im/react-native.git
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95b9dd3a88
Summary: This diff adds support for enforcing nullability in the arguments for exported methods. We previously supported use of the nullable/nonnull attributes on method arguments, but didn't do anything to ensure that they were respected. Now, if an argument is marked as nonnull, and a null value is sent for that argument, it will display a redbox. In future, nonnull will be assumed by default, but for now we assume that un-annotated arguments can be null (to avoid breaking existing code).
64 lines
2.0 KiB
Objective-C
64 lines
2.0 KiB
Objective-C
/**
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* The examples provided by Facebook are for non-commercial testing and
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* evaluation purposes only.
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*
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* Facebook reserves all rights not expressly granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
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* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#import <UIKit/UIKit.h>
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#import <XCTest/XCTest.h>
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#import "RCTModuleMethod.h"
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#import "RCTLog.h"
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@interface RCTModuleMethodTests : XCTestCase
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@end
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@implementation RCTModuleMethodTests
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- (void)doFooWithBar:(__unused NSString *)bar { }
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- (void)testNonnull
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{
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NSString *methodName = @"doFooWithBar:(nonnull NSString *)bar";
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RCTModuleMethod *method = [[RCTModuleMethod alloc] initWithObjCMethodName:methodName
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JSMethodName:nil
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moduleClass:[self class]];
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{
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__block BOOL loggedError = NO;
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RCTPerformBlockWithLogFunction(^{
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[method invokeWithBridge:nil module:self arguments:@[@"Hello World"]];
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}, ^(RCTLogLevel level,
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__unused NSString *fileName,
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__unused NSNumber *lineNumber,
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__unused NSString *message) {
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loggedError = (level == RCTLogLevelError);
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});
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XCTAssertFalse(loggedError);
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}
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{
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__block BOOL loggedError = NO;
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RCTPerformBlockWithLogFunction(^{
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[method invokeWithBridge:nil module:self arguments:@[[NSNull null]]];
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}, ^(RCTLogLevel level,
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__unused NSString *fileName,
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__unused NSNumber *lineNumber,
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__unused NSString *message) {
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loggedError = (level == RCTLogLevelError);
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});
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XCTAssertTrue(loggedError);
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}
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}
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@end
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