Dmitry Stefantsov
c1a401c5da
Closes #44641. Closes #44246. Bug: https://github.com/dart-lang/sdk/issues/44641 Bug: https://github.com/dart-lang/sdk/issues/44246 Change-Id: I78cb0514a57ab3adafb3639b09ea8930791da030 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/179340 Commit-Queue: Dmitry Stefantsov <dmitryas@google.com> Reviewed-by: Johnni Winther <johnniwinther@google.com>
29 lines
1.2 KiB
Plaintext
29 lines
1.2 KiB
Plaintext
library /*isNonNullableByDefault*/;
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import self as self;
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import "dart:core" as core;
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static final field core::bool isLegacySubtyping1a = (#C1) is{ForNonNullableByDefault} core::List<core::int>;
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static const field core::bool isLegacySubtyping1b = #C2;
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static final field core::bool isLegacySubtyping2a = (#C3) is{ForNonNullableByDefault} core::List<core::int>;
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static const field core::bool isLegacySubtyping2b = #C2;
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static final field core::List<core::int> assertLegacySubtyping1a = (#C1) as{ForNonNullableByDefault} core::List<core::int>;
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static const field core::List<core::int> assertLegacySubtyping1b = #C1;
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static final field core::List<core::int> assertLegacySubtyping2a = (#C3) as{ForNonNullableByDefault} core::List<core::int>;
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static const field core::List<core::int> assertLegacySubtyping2b = #C3;
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static method main() → void {
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self::expect(self::isLegacySubtyping1a, #C2);
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self::expect(self::isLegacySubtyping2a, #C2);
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self::expect(self::assertLegacySubtyping1a, #C1);
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self::expect(self::assertLegacySubtyping2a, #C3);
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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 = <Null>[]
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#C2 = true
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#C3 = <core::int?>[]
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}
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