Johnni Winther
4efcda0fd2
Closes #52960 Change-Id: I868a7ef5867ad955072ae5425da82c007ca1d73c Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/315902 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Paul Berry <paulberry@google.com> Reviewed-by: Chloe Stefantsova <cstefantsova@google.com>
47 lines
1.5 KiB
Plaintext
47 lines
1.5 KiB
Plaintext
library;
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import self as self;
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import "dart:core" as core;
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static method test(core::List<core::int> list) → dynamic {
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hoisted has-declared-initializer core::num v;
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{
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final synthesized core::List<core::int> #0#0 = list;
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if(!(let final dynamic #t1 = #0#0 as core::List<core::int> in (#0#0 as core::List<core::int>).{core::List::length}{core::int} =={core::num::==}{(core::Object) → core::bool} #C1 && (let final dynamic #t2 = v = (#0#0 as core::List<core::int>).{core::List::[]}(0){(core::int) → core::int} in true)))
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throw new core::StateError::•("Pattern matching error");
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}
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self::expect(42, v);
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}
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static method test2() → dynamic {
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core::num? x = 2.{core::num::>}(1){(core::num) → core::bool} ?{core::int?} 42 : null;
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hoisted has-declared-initializer core::num v2;
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{
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final synthesized core::num? #0#0 = x;
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#0#0!;
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v2 = #0#0!;
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}
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self::expect(42, v2);
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}
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static method main() → dynamic {
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self::test(<core::int>[42]);
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self::throws(() → void => self::test(<core::int>[]));
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self::throws(() → void => self::test(<core::int>[1, 2]));
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self::test2();
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}
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static method expect(dynamic expected, dynamic actual) → dynamic {
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if(!(expected =={core::Object::==}{(core::Object) → core::bool} 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(){() → void};
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}
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on core::Object catch(final core::Object _) {
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return;
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}
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throw "Missing exception";
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}
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constants {
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#C1 = 1
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}
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