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Uplift bitfield fix for nsChangeHint

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This commit is contained in:
Manish Goregaokar 2016-11-18 14:09:23 -08:00
parent 9fb589dfd2
commit 3d5b26ac26
5 changed files with 219 additions and 104 deletions
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10
tests/unit/stylo/sanity_checks.rs
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@ -23,24 +23,24 @@ macro_rules! check_enum_value {
// const-fn and no other way to access the numerical value :-(
macro_rules! check_enum_value_non_static {
($a:expr, $b:expr) => {
assert_eq!($a as usize, $b as usize);
assert_eq!($a.0 as usize, $b as usize);
}
}
#[test]
fn assert_restyle_hints_match() {
use style::restyle_hints::*; // For flags
use style::gecko_bindings::structs::nsRestyleHint;
use style::gecko_bindings::structs;
check_enum_value_non_static!(nsRestyleHint::eRestyle_Self, RESTYLE_SELF.bits());
check_enum_value_non_static!(structs::nsRestyleHint_eRestyle_Self, RESTYLE_SELF.bits());
// XXX This for Servo actually means something like an hypothetical
// Restyle_AllDescendants (but without running selector matching on the
// element). ServoRestyleManager interprets it like that, but in practice we
// should align the behavior with Gecko adding a new restyle hint, maybe?
//
// See https://bugzilla.mozilla.org/show_bug.cgi?id=1291786
check_enum_value_non_static!(nsRestyleHint::eRestyle_SomeDescendants, RESTYLE_DESCENDANTS.bits());
check_enum_value_non_static!(nsRestyleHint::eRestyle_LaterSiblings, RESTYLE_LATER_SIBLINGS.bits());
check_enum_value_non_static!(structs::nsRestyleHint_eRestyle_SomeDescendants, RESTYLE_DESCENDANTS.bits());
check_enum_value_non_static!(structs::nsRestyleHint_eRestyle_LaterSiblings, RESTYLE_LATER_SIBLINGS.bits());
}
// Note that we can't call each_pseudo_element, parse_pseudo_element, or