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Add asserts to DefaultTextStyle.inherit (#3844)

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The context and child arguments are required.  We should assert that
they're non-null.

Fixes #3843
This commit is contained in:
Adam Barth 2016-05-11 18:25:56 -07:00
parent f0a8ee2a86
commit cc2f8feedc
1 changed files with 2 additions and 0 deletions
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2
packages/flutter/lib/src/widgets/basic.dart
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@ -1994,6 +1994,8 @@ class DefaultTextStyle extends InheritedWidget {
TextOverflow overflow, TextOverflow overflow,
Widget child Widget child
}) { }) {
assert(context != null);
assert(child != null);
DefaultTextStyle parent = DefaultTextStyle.of(context); DefaultTextStyle parent = DefaultTextStyle.of(context);
return new DefaultTextStyle( return new DefaultTextStyle(
key: key, key: key,