Tools/TestWebKitAPI/ios/UIKitTestingHelpers.mm

/*
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 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#import "config.h"
#import "UIKitTestingHelpers.h"

#if PLATFORM(IOS_FAMILY)

#import "InstanceMethodSwizzler.h"
#import <wtf/HashMap.h>

using GestureStateOverrideMap = HashMap<RetainPtr<UIGestureRecognizer>, UIGestureRecognizerState>;
static GestureStateOverrideMap& allStateOverrides()
{
    static NeverDestroyed<GestureStateOverrideMap> overrides;
    return overrides.get();
}

@implementation UIGestureRecognizer (TestWebKitAPI)

- (UIGestureRecognizerState)swizzled_state
{
    return allStateOverrides().getOptional(self).value_or([self swizzled_state]);
}

- (void)_setStateForTesting:(UIGestureRecognizerState)state
{
    static InstanceMethodSwapper swizzler { UIGestureRecognizer.class, @selector(state), @selector(swizzled_state) };

    allStateOverrides().set(self, state);
}

- (void)_clearOverriddenStateForTesting
{
    allStateOverrides().remove(self);
}

@end

#endif // PLATFORM(IOS_FAMILY)