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comparison src/testdir/test_vim9_expr.vim @ 23525:54ec7c8b7459 v8.2.2305

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patch 8.2.2305: Vim9: "++var" and "--var" are silently accepted Commit: https://github.com/vim/vim/commit/b23279d7a2d28de5df942924b77cf23672fc684f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 5 22:08:20 2021 +0100 patch 8.2.2305: Vim9: "++var" and "--var" are silently accepted Problem: Vim9: "++var" and "--var" are silently accepted. Solution: Give an error message.
author Bram Moolenaar <Bram@vim.org>
date Tue, 05 Jan 2021 22:15:04 +0100
parents cb66613dd9d5
children 1bb7fa4f9b35
comparison
equal deleted inserted replaced
23524:d2787a89dcf8 23525:54ec7c8b7459
2514 assert_equal(4, (6 * 4) / 6) 2514 assert_equal(4, (6 * 4) / 6)
2515 assert_equal(0, 6 * ( 4 / 6 )) 2515 assert_equal(0, 6 * ( 4 / 6 ))
2516 2516
2517 assert_equal(6, +6) 2517 assert_equal(6, +6)
2518 assert_equal(-6, -6) 2518 assert_equal(-6, -6)
2519 assert_equal(6, --6)
2520 assert_equal(6, -+-6)
2521 assert_equal(-6, ---6)
2522 assert_equal(false, !-3) 2519 assert_equal(false, !-3)
2523 assert_equal(true, !+-+0) 2520 assert_equal(true, !+0)
2524 enddef 2521 enddef
2525 2522
2526 def Test_expr7_parens_vim9script() 2523 def Test_expr7_parens_vim9script()
2527 var lines =<< trim END 2524 var lines =<< trim END
2528 vim9script 2525 vim9script
2537 enddef 2534 enddef
2538 2535
2539 def Test_expr7_negate_add() 2536 def Test_expr7_negate_add()
2540 assert_equal(-99, -99) 2537 assert_equal(-99, -99)
2541 assert_equal(-99, - 99) 2538 assert_equal(-99, - 99)
2542 assert_equal(99, --99)
2543 assert_equal(99, -- 99)
2544 assert_equal(99, - - 99)
2545 assert_equal(99, +99) 2539 assert_equal(99, +99)
2546 assert_equal(-99, -+99)
2547 assert_equal(-99, -+ 99)
2548 assert_equal(-99, - +99)
2549 assert_equal(-99, - + 99)
2550 assert_equal(-99, +-99)
2551 assert_equal(-99, + -99)
2552 assert_equal(-99, + - 99)
2553 2540
2554 var nr = 88 2541 var nr = 88
2555 assert_equal(-88, -nr) 2542 assert_equal(-88, -nr)
2556 assert_equal(-88, - nr) 2543 assert_equal(-88, - nr)
2557 assert_equal(-88, - +nr)
2558 assert_equal(88, -- nr)
2559 assert_equal(88, + nr) 2544 assert_equal(88, + nr)
2560 assert_equal(88, --+ nr) 2545
2561 assert_equal(88, - - nr) 2546 var lines =<< trim END
2547 var n = 12
2548 echo ++n
2549 END
2550 CheckDefAndScriptFailure(lines, 'E15:')
2551 lines =<< trim END
2552 var n = 12
2553 echo --n
2554 END
2555 CheckDefAndScriptFailure(lines, 'E15:')
2556 lines =<< trim END
2557 var n = 12
2558 echo +-n
2559 END
2560 CheckDefAndScriptFailure(lines, 'E15:')
2561 lines =<< trim END
2562 var n = 12
2563 echo -+n
2564 END
2565 CheckDefAndScriptFailure(lines, 'E15:')
2566 lines =<< trim END
2567 var n = 12
2568 echo - -n
2569 END
2570 CheckDefAndScriptFailure(lines, 'E15:')
2571 lines =<< trim END
2572 var n = 12
2573 echo + +n
2574 END
2575 CheckDefAndScriptFailure(lines, 'E15:')
2576
2577 lines =<< trim END
2578 var n = 12
2579 :1
2580 ++n
2581 END
2582 CheckDefAndScriptFailure(lines, 'E1050:')
2583 lines =<< trim END
2584 var n = 12
2585 :1
2586 --n
2587 END
2588 CheckDefAndScriptFailure(lines, 'E1050:')
2562 enddef 2589 enddef
2563 2590
2564 def Echo(arg: any): string 2591 def Echo(arg: any): string
2565 return arg 2592 return arg
2566 enddef 2593 enddef
2571 2598
2572 def Test_expr7_call() 2599 def Test_expr7_call()
2573 var lines =<< trim END 2600 var lines =<< trim END
2574 assert_equal('yes', 'yes'->Echo()) 2601 assert_equal('yes', 'yes'->Echo())
2575 assert_equal(true, !range(5)->empty()) 2602 assert_equal(true, !range(5)->empty())
2576 assert_equal([0, 1, 2], --3->range()) 2603 assert_equal([0, 1, 2], 3->range())
2577 END 2604 END
2578 CheckDefAndScriptSuccess(lines) 2605 CheckDefAndScriptSuccess(lines)
2579 2606
2580 assert_equal('yes', 'yes' 2607 assert_equal('yes', 'yes'
2581 ->s:Echo4Arg()) 2608 ->s:Echo4Arg())