forked from M-Labs/libfringe
Don't use unsafe for the forget_yielded test
Now that the Send bound is gone, we can simply use a Cell instead of a raw pointer.
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@ -85,23 +85,22 @@ fn with_owned_stack() {
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#[test]
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#[test]
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fn forget_yielded() {
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fn forget_yielded() {
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struct Dropper(*mut bool);
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use std::cell::Cell;
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struct Dropper<'a>(&'a Cell<bool>);
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impl Drop for Dropper {
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impl<'a> Drop for Dropper<'a> {
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fn drop(&mut self) {
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fn drop(&mut self) {
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unsafe {
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if self.0.get() {
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if *self.0 {
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panic!("double drop!")
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panic!("double drop!")
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}
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}
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*self.0 = true;
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self.0.set(true);
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}
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}
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}
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}
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}
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let stack = fringe::OsStack::new(1<<16).unwrap();
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let stack = fringe::OsStack::new(1<<16).unwrap();
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let flag = Cell::new(false);
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let mut generator = Generator::new(stack, |yielder, ()| {
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let mut generator = Generator::new(stack, |yielder, ()| {
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let mut flag = false;
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yielder.suspend(Dropper(&flag));
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yielder.suspend(Dropper(&mut flag as *mut bool));
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});
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});
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generator.resume(());
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generator.resume(());
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generator.resume(());
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generator.resume(());
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