patch 9.0.1198: abstract class not supported yet
Problem: Abstract class not supported yet.
Solution: Implement abstract class and add tests.
diff --git a/src/testdir/test_vim9_class.vim b/src/testdir/test_vim9_class.vim
index a6caad2..4a2b87c 100644
--- a/src/testdir/test_vim9_class.vim
+++ b/src/testdir/test_vim9_class.vim
@@ -1014,5 +1014,40 @@
v9.CheckScriptSuccess(lines)
enddef
+def Test_abstract_class()
+ var lines =<< trim END
+ vim9script
+ abstract class Base
+ this.name: string
+ endclass
+ class Person extends Base
+ this.age: number
+ endclass
+ var p: Base = Person.new('Peter', 42)
+ assert_equal('Peter', p.name)
+ assert_equal(42, p.age)
+ END
+ v9.CheckScriptSuccess(lines)
+
+ lines =<< trim END
+ vim9script
+ abstract class Base
+ this.name: string
+ endclass
+ class Person extends Base
+ this.age: number
+ endclass
+ var p = Base.new('Peter')
+ END
+ v9.CheckScriptFailure(lines, 'E1325: Method not found on class "Base": new(')
+
+ lines =<< trim END
+ abstract class Base
+ this.name: string
+ endclass
+ END
+ v9.CheckScriptFailure(lines, 'E1316:')
+enddef
+
" vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker