Lasse R.H. Nielsen
fe7efd5606
Fix null safety issues and tweak documentation where it can be improved. Change-Id: Ia8cc20274ae151c454662bf5f137913787365a64 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/177960 Commit-Queue: Lasse R.H. Nielsen <lrn@google.com> Reviewed-by: Nate Bosch <nbosch@google.com>
61 lines
2.1 KiB
Plaintext
61 lines
2.1 KiB
Plaintext
library /*isNonNullableByDefault*/;
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//
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// Problems in library:
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//
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// pkg/front_end/testcases/nnbd/constant_null_check.dart:9:17: Error: Constant evaluation error:
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// const int? d = c!;
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// ^
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// pkg/front_end/testcases/nnbd/constant_null_check.dart:9:17: Context: Constant expression must be non-null.
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// const int? d = c!;
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// ^
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// pkg/front_end/testcases/nnbd/constant_null_check.dart:9:12: Context: While analyzing:
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// const int? d = c!;
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// ^
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//
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// pkg/front_end/testcases/nnbd/constant_null_check.dart:17:23: Error: Constant evaluation error:
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// const Class f = const Class(c);
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// ^
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// pkg/front_end/testcases/nnbd/constant_null_check.dart:13:30: Context: Constant expression must be non-null.
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// const Class(int? x) : y = x!;
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// ^
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// pkg/front_end/testcases/nnbd/constant_null_check.dart:17:13: Context: While analyzing:
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// const Class f = const Class(c);
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// ^
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//
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import self as self;
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import "dart:core" as core;
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class Class extends core::Object /*hasConstConstructor*/ {
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final field core::int y;
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const constructor •(core::int? x) → self::Class
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: self::Class::y = x!, super core::Object::•()
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;
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}
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static const field core::int? a = #C1;
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static const field core::int b = #C1;
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static const field core::int? c = #C2;
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static const field core::int? d = invalid-expression "Constant expression must be non-null.";
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static const field self::Class e = #C3;
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static const field self::Class f = invalid-expression "Constant expression must be non-null.";
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static method main() → dynamic {
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self::expect(42, #C1);
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self::expect(42, #C1);
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self::expect(42, (#C3).{self::Class::y});
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}
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static method expect(dynamic expected, dynamic actual) → dynamic {
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if(!expected.{core::Object::==}(actual))
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throw "Expected ${expected}, actual ${actual}";
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}
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constants {
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#C1 = 42
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#C2 = null
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#C3 = self::Class {y:#C1}
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}
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Constructor coverage from constants:
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org-dartlang-testcase:///constant_null_check.dart:
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- Class. (from org-dartlang-testcase:///constant_null_check.dart:13:9)
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- Object. (from org-dartlang-sdk:///sdk/lib/core/object.dart:25:9)
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