Mercurial > vim

diff src/testdir/test_user_func.vim @ 31497:aa45593ec2ca v9.0.1081

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
patch 9.0.1081: using "->" with split lines does not always work Commit: https://github.com/vim/vim/commit/34820944ed101e1fbad16d552308f1486e715d27 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Dec 19 20:28:38 2022 +0000 patch 9.0.1081: using "->" with split lines does not always work Problem: Using "->" with split lines does not always work. Solution: Avoid trying to get another line. (closes https://github.com/vim/vim/issues/11723)
author Bram Moolenaar <Bram@vim.org>
date Mon, 19 Dec 2022 21:30:03 +0100
parents 0913cd44fdfa
children 854aeaac48b7
line wrap: on
line diff
--- a/src/testdir/test_user_func.vim
+++ b/src/testdir/test_user_func.vim
@@ -179,6 +179,60 @@ func Test_user_method()
   eval 'bar'->s:addFoo()->assert_equal('barfoo')
 endfunc
 
+func Test_method_with_linebreaks()
+  let lines =<< trim END
+      vim9script
+
+      export def Scan(ll: list<number>): func(func(number))
+        return (Emit: func(number)) => {
+          for v in ll
+            Emit(v)
+          endfor
+        }
+      enddef
+
+      export def Build(Cont: func(func(number))): list<number>
+        var result: list<number> = []
+        Cont((v) => {
+            add(result, v)
+        })
+        return result
+      enddef
+
+      export def Noop(Cont: func(func(number))): func(func(number))
+        return (Emit: func(number)) => {
+          Cont(Emit)
+        }
+      enddef
+  END
+  call writefile(lines, 'Xlib.vim', 'D')
+
+  let lines =<< trim END
+      vim9script
+
+      import "./Xlib.vim" as lib
+
+      const x = [1, 2, 3]
+
+      var result = lib.Scan(x)->lib.Noop()->lib.Build()
+      assert_equal([1, 2, 3], result)
+
+      result = lib.Scan(x)->lib.Noop()
+              ->lib.Build()
+      assert_equal([1, 2, 3], result)
+
+      result = lib.Scan(x)
+            ->lib.Noop()->lib.Build()
+      assert_equal([1, 2, 3], result)
+
+      result = lib.Scan(x)
+                ->lib.Noop()
+                ->lib.Build()
+      assert_equal([1, 2, 3], result)
+  END
+  call v9.CheckScriptSuccess(lines)
+endfunc
+
 func Test_failed_call_in_try()
   try | call UnknownFunc() | catch | endtry
 endfunc