Mercurial > vim
diff src/testdir/test_vim9_class.vim @ 33297:6340c608ca54 v9.0.1914
patch 9.0.1914: Vim9: few issues when accessing object members
Commit: https://github.com/vim/vim/commit/1db151436541a3e64cdd5e3d9eb3ace1ce1e1ad0
Author: Yegappan Lakshmanan <yegappan@yahoo.com>
Date: Tue Sep 19 20:34:05 2023 +0200
patch 9.0.1914: Vim9: few issues when accessing object members
Problem: Vim9: few issues when accessing object members
Solution: When calling an object method, check for null object.
Accessing a Dict object member doesn't work.
closes: #13119
closes: #13123
closes: #13124
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Tue, 19 Sep 2023 20:45:06 +0200 |
parents | 4cb421ba3385 |
children | ab0ecf1bd6b5 |
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--- a/src/testdir/test_vim9_class.vim +++ b/src/testdir/test_vim9_class.vim @@ -1507,6 +1507,7 @@ def Test_class_member() END v9.CheckSourceFailure(lines, 'E1340: Argument already declared in the class: count') + # Use a local variable in a method with the same name as a class variable lines =<< trim END vim9script @@ -5488,4 +5489,114 @@ def Test_nested_object_assignment() v9.CheckSourceFailure(lines, 'E46: Cannot change read-only variable "value"') enddef +" Test for calling methods using a null object +def Test_null_object_method_call() + # Calling a object method using a null object in script context + var lines =<< trim END + vim9script + + class C + def Foo() + assert_report('This method should not be executed') + enddef + endclass + + var o: C + o.Foo() + END + v9.CheckSourceFailure(lines, 'E1360: Using a null object', 10) + + # Calling a object method using a null object in def function context + lines =<< trim END + vim9script + + class C + def Foo() + assert_report('This method should not be executed') + enddef + endclass + + def T() + var o: C + o.Foo() + enddef + T() + END + v9.CheckSourceFailure(lines, 'E1360: Using a null object', 2) + + # Calling a object method through another class method using a null object in + # script context + lines =<< trim END + vim9script + + class C + def Foo() + assert_report('This method should not be executed') + enddef + + static def Bar(o_any: any) + var o_typed: C = o_any + o_typed.Foo() + enddef + endclass + + var o: C + C.Bar(o) + END + v9.CheckSourceFailure(lines, 'E1360: Using a null object', 2) + + # Calling a object method through another class method using a null object in + # def function context + lines =<< trim END + vim9script + + class C + def Foo() + assert_report('This method should not be executed') + enddef + + static def Bar(o_any: any) + var o_typed: C = o_any + o_typed.Foo() + enddef + endclass + + def T() + var o: C + C.Bar(o) + enddef + T() + END + v9.CheckSourceFailure(lines, 'E1360: Using a null object', 2) +enddef + +" Test for using a dict as an object member +def Test_dict_object_member() + var lines =<< trim END + vim9script + + class Context + public this.state: dict<number> = {} + def GetState(): dict<number> + return this.state + enddef + endclass + + var ctx = Context.new() + ctx.state->extend({a: 1}) + ctx.state['b'] = 2 + assert_equal({a: 1, b: 2}, ctx.GetState()) + + def F() + ctx.state['c'] = 3 + assert_equal({a: 1, b: 2, c: 3}, ctx.GetState()) + enddef + F() + assert_equal(3, ctx.state.c) + ctx.state.c = 4 + assert_equal(4, ctx.state.c) + END + v9.CheckSourceSuccess(lines) +enddef + " vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker