Dmitry Stefantsov
c191551fac
TEST=Covered by existing tests. Change-Id: Ied8be1874164e68e0a3a48e1b2f9a33310071381 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/183009 Commit-Queue: Dmitry Stefantsov <dmitryas@google.com> Reviewed-by: Johnni Winther <johnniwinther@google.com>
67 lines
2.5 KiB
Plaintext
67 lines
2.5 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/nullable_access.dart:23:18: Error: Property 'nonNullableField' cannot be accessed on 'Class?' because it is potentially null.
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// - 'Class' is from 'pkg/front_end/testcases/nnbd/nullable_access.dart'.
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// Try accessing using ?. instead.
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// throws(() => c.nonNullableField);
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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 {
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field self::A nonNullableField = #C1;
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synthetic constructor •() → self::Class
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: super core::Object::•()
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;
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get nonNullableProperty() → self::A
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return this.{self::Class::nonNullableField};
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set nonNullableProperty(self::A value) → void {
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this.{self::Class::nonNullableField} = value;
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}
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method nonNullableMethod() → self::A
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return this.{self::Class::nonNullableField};
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}
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class A extends core::Object /*hasConstConstructor*/ {
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const constructor •() → self::A
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: super core::Object::•()
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;
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get nonNullableProperty() → self::A
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return this;
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}
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static method main() → dynamic {
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self::Class? c;
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self::throws(() → void => let final Never #t1 = invalid-expression "pkg/front_end/testcases/nnbd/nullable_access.dart:23:18: Error: Property 'nonNullableField' cannot be accessed on 'Class?' because it is potentially null.
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- 'Class' is from 'pkg/front_end/testcases/nnbd/nullable_access.dart'.
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Try accessing using ?. instead.
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throws(() => c.nonNullableField);
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^^^^^^^^^^^^^^^^" in c.{self::Class::nonNullableField});
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self::expect(null, let final self::Class? #t2 = c in #t2.{core::Object::==}(null) ?{self::A?} null : #t2{self::Class}.{self::Class::nonNullableField});
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self::expect(null, let final self::Class? #t3 = c in #t3.{core::Object::==}(null) ?{self::A?} null : #t3{self::Class}.{self::Class::nonNullableField}.{self::A::nonNullableProperty});
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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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static method throws(() → void f) → dynamic {
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try {
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f.call();
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}
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on core::Object catch(final core::Object e) {
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return;
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}
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throw "Expected throws.";
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}
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constants {
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#C1 = self::A {}
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}
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Constructor coverage from constants:
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org-dartlang-testcase:///nullable_access.dart:
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- A. (from org-dartlang-testcase:///nullable_access.dart:16:9)
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- Object. (from org-dartlang-sdk:///sdk/lib/core/object.dart:25:9)
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