Bug 1649121: part 54) Assert range boundaries in ContentIteratorBase::Initializer are set and valid. r=masayuki

Differential Revision: https://phabricator.services.mozilla.com/D83968
2020-07-21 15:12:06 +00:00
parent c7bb6113a8
commit 97ec67a0ad
1 changed files with 4 additions and 1 deletions
--- a/dom/base/ContentIterator.cpp
+++ b/dom/base/ContentIterator.cpp
@@ -188,7 +188,10 @@ class MOZ_STACK_CLASS ContentIteratorBase::Initializer final {
      : mIterator{aIterator},
        mStart{aStart},
        mEnd{aEnd},
-        mStartIsCharacterData{mStart.Container()->IsCharacterData()} {}
+        mStartIsCharacterData{mStart.Container()->IsCharacterData()} {
+    MOZ_ASSERT(mStart.IsSetAndValid());
+    MOZ_ASSERT(mEnd.IsSetAndValid());
+  }

  nsresult Run();