patch 9.1.0312: heredocs are not supported for :commands
Problem: heredocs are not supported for :commands
(@balki)
Solution: Add heredoc support
(Yegappan Lakshmanan)
fixes: #14491
closes: #14528
Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_let.vim b/src/testdir/test_let.vim
index 5ee2e9b..e6d9cae 100644
--- a/src/testdir/test_let.vim
+++ b/src/testdir/test_let.vim
@@ -715,6 +715,20 @@
LINES
call v9.CheckScriptFailure(lines, 'E15:')
+ " Test for using heredoc in a single string using execute()
+ call assert_equal(["['one', 'two']"],
+ \ execute("let x =<< trim END\n one\n two\nEND\necho x")->split("\n"))
+ call assert_equal(["[' one', ' two']"],
+ \ execute("let x =<< END\n one\n two\nEND\necho x")->split("\n"))
+ let cmd = 'execute("let x =<< END\n one\n two\necho x")'
+ call assert_fails(cmd, "E990: Missing end marker 'END'")
+ let cmd = 'execute("let x =<<\n one\n two\necho x")'
+ call assert_fails(cmd, "E990: Missing end marker ''")
+ let cmd = 'execute("let x =<< trim\n one\n two\necho x")'
+ call assert_fails(cmd, "E221: Marker cannot start with lower case letter")
+ let cmd = 'execute("let x =<< eval END\n one\n two{y}\nEND\necho x")'
+ call assert_fails(cmd, 'E121: Undefined variable: y')
+
" skipped heredoc
if 0
let msg =<< trim eval END