Issues

• Add tests for UP and DOWN functions

  type-enhancement
  dart-lang/co19#4173 · Filter by author sgrekhov opened on Jul 30, 2026
  

• co19/LanguageFeatures/Augmentations/augmenting_constructors_A01_t23

  needs-info
  dart-lang/co19#4141 · Filter by author fshcheglov opened on Jul 26, 2026
  1

  

• Failures on [VM/CFE] Don't hide initializing formals - have them in scope in the initializer

  needs-info
  dart-lang/co19#3914 · Filter by author jensjoha opened on Jun 23, 2026
  4

  

• Move LanguageFeatures/Super-mixins tests to Language

  type-code-health
  dart-lang/co19#3912 · Filter by author sgrekhov opened on Jun 23, 2026
  

• co19/LanguageFeatures/Augmentations/augmenting_constructors_A01_t24

  bad-testneeds-info
  dart-lang/co19#3882 · Filter by author fshcheglov opened on Jun 18, 2026
  1

  

• Add tests for type inference

  needs-infotype-enhancement
  dart-lang/co19#3847 · Filter by author sgrekhov opened on Jun 8, 2026
  1

  

• Add missing tests for Dart API

  type-enhancement
  dart-lang/co19#3812 · Filter by author sgrekhov opened on May 22, 2026
  

• Add co19 tests for anonymous methods language feature

  needs-infotype-enhancement
  dart-lang/co19#3794 · Filter by author sgrekhov opened on May 11, 2026
  

• [Static Extensions] Add co19 tests for the Static Extensions feature

  type-enhancement
  dart-lang/co19#3330 · Filter by author chloestefantsova opened on Oct 2, 2025
  3

  

• Proposal: write tests that exercise the interaction of expression evaluation with new language features

  type-enhancement
  dart-lang/co19#3203 · Filter by author derekxu16 opened on May 23, 2025
  14

  

• [augmentations] Update co19 tests for augmentations

  area-test
  dart-lang/co19#3182 · Filter by author sgrekhov opened on May 14, 2025
  

• Create CLI tool showing coverage of the Dart specification by co19 test

  type-enhancement
  dart-lang/co19#3128 · Filter by author sgrekhov opened on Apr 2, 2025
  

• Add/ update co19 tests for "Statically checked declaration-site variance" feature

  area-test
  dart-lang/co19#2548 · Filter by author sgrekhov opened on Feb 19, 2024
  

• [Extension types] Add more type aliases tests

  area-teststatus-blocked
  dart-lang/co19#2476 · Filter by author sgrekhov opened on Jan 10, 2024
  

• Add factory constructor tear-off and default values type tests

  status-blockedtype-enhancement
  dart-lang/co19#2365 · Filter by author sgrekhov opened on Nov 10, 2023
  

• Update Variables and Local Variable declaration according to spec

  type-enhancement
  dart-lang/co19#2145 · Filter by author sgrekhov opened on Jul 20, 2023
  1

  

• Calling Object members on type literals as receivers

  status-blockedtype-enhancement
  dart-lang/co19#2143 · Filter by author chloestefantsova opened on Jul 20, 2023
  7

  

• Add more Functions tests

  type-enhancement
  dart-lang/co19#2138 · Filter by author sgrekhov opened on Jul 17, 2023
  1

  

• co19 minor improvements

  type-code-healthtype-documentation
  dart-lang/co19#2119 · Filter by author sgrekhov opened on Jul 7, 2023