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-rw-r--r--src/testdir/test_vim9_script.vim4930
1 files changed, 4930 insertions, 0 deletions
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
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+++ b/src/testdir/test_vim9_script.vim
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+" Test various aspects of the Vim9 script language.
+
+source check.vim
+source term_util.vim
+import './vim9.vim' as v9
+source screendump.vim
+source shared.vim
+
+def Test_vim9script_feature()
+ # example from the help, here the feature is always present
+ var lines =<< trim END
+ " old style comment
+ if !has('vim9script')
+ " legacy commands would go here
+ finish
+ endif
+ vim9script
+ # Vim9 script commands go here
+ g:didit = true
+ END
+ v9.CheckScriptSuccess(lines)
+ assert_equal(true, g:didit)
+ unlet g:didit
+enddef
+
+def Test_range_only()
+ new
+ setline(1, ['blah', 'Blah'])
+ :/Blah/
+ assert_equal(2, getcurpos()[1])
+ bwipe!
+
+ # without range commands use current line
+ new
+ setline(1, ['one', 'two', 'three'])
+ :2
+ print
+ assert_equal('two', g:Screenline(&lines))
+ :3
+ list
+ assert_equal('three$', g:Screenline(&lines))
+
+ # missing command does not print the line
+ var lines =<< trim END
+ vim9script
+ :1|
+ assert_equal('three$', g:Screenline(&lines))
+ :|
+ assert_equal('three$', g:Screenline(&lines))
+ END
+ v9.CheckScriptSuccess(lines)
+
+ bwipe!
+
+ lines =<< trim END
+ set cpo+=-
+ :1,999
+ END
+ v9.CheckDefExecAndScriptFailure(lines, 'E16:', 2)
+ set cpo&vim
+
+ v9.CheckDefExecAndScriptFailure([":'x"], 'E20:', 1)
+
+ # won't generate anything
+ if false
+ :123
+ endif
+enddef
+
+def Test_invalid_range()
+ var lines =<< trim END
+ :123 eval 1 + 2
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E481:', 1)
+
+ lines =<< trim END
+ :123 if true
+ endif
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E481:', 1)
+
+ lines =<< trim END
+ :123 echo 'yes'
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E481:', 1)
+
+ lines =<< trim END
+ :123 cd there
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E481:', 1)
+enddef
+
+let g:alist = [7]
+let g:astring = 'text'
+let g:anumber = 123
+
+def Test_delfunction()
+ # Check function is defined in script namespace
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'func CheckMe()',
+ ' return 123',
+ 'endfunc',
+ 'func DoTest()',
+ ' call assert_equal(123, s:CheckMe())',
+ 'endfunc',
+ 'DoTest()',
+ ])
+
+ # Check function in script namespace cannot be deleted
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'func DeleteMe1()',
+ 'endfunc',
+ 'delfunction DeleteMe1',
+ ], 'E1084:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'func DeleteMe2()',
+ 'endfunc',
+ 'def DoThat()',
+ ' delfunction DeleteMe2',
+ 'enddef',
+ 'DoThat()',
+ ], 'E1084:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'def DeleteMe3()',
+ 'enddef',
+ 'delfunction DeleteMe3',
+ ], 'E1084:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'def DeleteMe4()',
+ 'enddef',
+ 'def DoThat()',
+ ' delfunction DeleteMe4',
+ 'enddef',
+ 'DoThat()',
+ ], 'E1084:')
+
+ # Check that global :def function can be replaced and deleted
+ var lines =<< trim END
+ vim9script
+ def g:Global(): string
+ return "yes"
+ enddef
+ assert_equal("yes", g:Global())
+ def! g:Global(): string
+ return "no"
+ enddef
+ assert_equal("no", g:Global())
+ delfunc g:Global
+ assert_false(exists('*g:Global'))
+ END
+ v9.CheckScriptSuccess(lines)
+
+ # Check that global function can be replaced by a :def function and deleted
+ lines =<< trim END
+ vim9script
+ func g:Global()
+ return "yes"
+ endfunc
+ assert_equal("yes", g:Global())
+ def! g:Global(): string
+ return "no"
+ enddef
+ assert_equal("no", g:Global())
+ delfunc g:Global
+ assert_false(exists('*g:Global'))
+ END
+ v9.CheckScriptSuccess(lines)
+
+ # Check that global :def function can be replaced by a function and deleted
+ lines =<< trim END
+ vim9script
+ def g:Global(): string
+ return "yes"
+ enddef
+ assert_equal("yes", g:Global())
+ func! g:Global()
+ return "no"
+ endfunc
+ assert_equal("no", g:Global())
+ delfunc g:Global
+ assert_false(exists('*g:Global'))
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+def Test_wrong_type()
+ v9.CheckDefFailure(['var name: list<nothing>'], 'E1010:')
+ v9.CheckDefFailure(['var name: list<list<nothing>>'], 'E1010:')
+ v9.CheckDefFailure(['var name: dict<nothing>'], 'E1010:')
+ v9.CheckDefFailure(['var name: dict<dict<nothing>>'], 'E1010:')
+
+ v9.CheckDefFailure(['var name: dict<number'], 'E1009:')
+ v9.CheckDefFailure(['var name: dict<list<number>'], 'E1009:')
+
+ v9.CheckDefFailure(['var name: ally'], 'E1010:')
+ v9.CheckDefFailure(['var name: bram'], 'E1010:')
+ v9.CheckDefFailure(['var name: cathy'], 'E1010:')
+ v9.CheckDefFailure(['var name: dom'], 'E1010:')
+ v9.CheckDefFailure(['var name: freddy'], 'E1010:')
+ v9.CheckDefFailure(['var name: john'], 'E1010:')
+ v9.CheckDefFailure(['var name: larry'], 'E1010:')
+ v9.CheckDefFailure(['var name: ned'], 'E1010:')
+ v9.CheckDefFailure(['var name: pam'], 'E1010:')
+ v9.CheckDefFailure(['var name: sam'], 'E1010:')
+ v9.CheckDefFailure(['var name: vim'], 'E1010:')
+
+ v9.CheckDefFailure(['var Ref: number', 'Ref()'], 'E1085:')
+ v9.CheckDefFailure(['var Ref: string', 'var res = Ref()'], 'E1085:')
+enddef
+
+def Test_script_namespace()
+ # defining a function or variable with s: is not allowed
+ var lines =<< trim END
+ vim9script
+ def s:Function()
+ enddef
+ END
+ v9.CheckScriptFailure(lines, 'E1268:')
+
+ for decl in ['var', 'const', 'final']
+ lines =<< trim END
+ vim9script
+ var s:var = 'var'
+ END
+ v9.CheckScriptFailure([
+ 'vim9script',
+ decl .. ' s:var = "var"',
+ ], 'E1268:')
+ endfor
+
+ # Calling a function or using a variable with s: is not allowed at script
+ # level
+ lines =<< trim END
+ vim9script
+ def Function()
+ enddef
+ s:Function()
+ END
+ v9.CheckScriptFailure(lines, 'E1268:')
+ lines =<< trim END
+ vim9script
+ def Function()
+ enddef
+ call s:Function()
+ END
+ v9.CheckScriptFailure(lines, 'E1268:')
+ lines =<< trim END
+ vim9script
+ var var = 'var'
+ echo s:var
+ END
+ v9.CheckScriptFailure(lines, 'E1268:')
+enddef
+
+def Test_script_wrong_type()
+ var lines =<< trim END
+ vim9script
+ var dict: dict<string>
+ dict['a'] = ['x']
+ END
+ v9.CheckScriptFailure(lines, 'E1012: Type mismatch; expected string but got list<string>', 3)
+enddef
+
+def Test_const()
+ v9.CheckDefFailure(['final name = 234', 'name = 99'], 'E1018:')
+ v9.CheckDefFailure(['final one = 234', 'var one = 99'], 'E1017:')
+ v9.CheckDefFailure(['final list = [1, 2]', 'var list = [3, 4]'], 'E1017:')
+ v9.CheckDefFailure(['final two'], 'E1125:')
+ v9.CheckDefFailure(['final &option'], 'E996:')
+
+ var lines =<< trim END
+ final list = [1, 2, 3]
+ list[0] = 4
+ list->assert_equal([4, 2, 3])
+ const other = [5, 6, 7]
+ other->assert_equal([5, 6, 7])
+
+ var varlist = [7, 8]
+ const constlist = [1, varlist, 3]
+ varlist[0] = 77
+ constlist[1][1] = 88
+ var cl = constlist[1]
+ cl[1] = 88
+ constlist->assert_equal([1, [77, 88], 3])
+
+ var vardict = {five: 5, six: 6}
+ const constdict = {one: 1, two: vardict, three: 3}
+ vardict['five'] = 55
+ constdict['two']['six'] = 66
+ var cd = constdict['two']
+ cd['six'] = 66
+ constdict->assert_equal({one: 1, two: {five: 55, six: 66}, three: 3})
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+
+ # "any" type with const flag is recognized as "any"
+ lines =<< trim END
+ const dict: dict<any> = {foo: {bar: 42}}
+ const foo = dict.foo
+ assert_equal(v:t_number, type(foo.bar))
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+
+ # also when used as a builtin function argument
+ lines =<< trim END
+ vim9script
+
+ def SorterFunc(lhs: dict<string>, rhs: dict<string>): number
+ return lhs.name <# rhs.name ? -1 : 1
+ enddef
+
+ def Run(): void
+ var list = [{name: "3"}, {name: "2"}]
+ const Sorter = get({}, "unknown", SorterFunc)
+ sort(list, Sorter)
+ assert_equal([{name: "2"}, {name: "3"}], list)
+ enddef
+
+ Run()
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+def Test_const_bang()
+ var lines =<< trim END
+ const var = 234
+ var = 99
+ END
+ v9.CheckDefExecFailure(lines, 'E1018:', 2)
+ v9.CheckScriptFailure(['vim9script'] + lines, 'E46:', 3)
+
+ lines =<< trim END
+ const ll = [2, 3, 4]
+ ll[0] = 99
+ END
+ v9.CheckDefExecFailure(lines, 'E1119:', 2)
+ v9.CheckScriptFailure(['vim9script'] + lines, 'E741:', 3)
+
+ lines =<< trim END
+ const ll = [2, 3, 4]
+ ll[3] = 99
+ END
+ v9.CheckDefExecFailure(lines, 'E1118:', 2)
+ v9.CheckScriptFailure(['vim9script'] + lines, 'E684:', 3)
+
+ lines =<< trim END
+ const dd = {one: 1, two: 2}
+ dd["one"] = 99
+ END
+ v9.CheckDefExecFailure(lines, 'E1121:', 2)
+ v9.CheckScriptFailure(['vim9script'] + lines, 'E741:', 3)
+
+ lines =<< trim END
+ const dd = {one: 1, two: 2}
+ dd["three"] = 99
+ END
+ v9.CheckDefExecFailure(lines, 'E1120:')
+ v9.CheckScriptFailure(['vim9script'] + lines, 'E741:', 3)
+enddef
+
+def Test_range_no_colon()
+ v9.CheckDefFailure(['%s/a/b/'], 'E1050:')
+ v9.CheckDefFailure(['+ s/a/b/'], 'E1050:')
+ v9.CheckDefFailure(['- s/a/b/'], 'E1050:')
+ v9.CheckDefFailure(['. s/a/b/'], 'E1050:')
+enddef
+
+
+def Test_block()
+ var outer = 1
+ {
+ var inner = 2
+ assert_equal(1, outer)
+ assert_equal(2, inner)
+ }
+ assert_equal(1, outer)
+
+ {|echo 'yes'|}
+enddef
+
+def Test_block_failure()
+ v9.CheckDefFailure(['{', 'var inner = 1', '}', 'echo inner'], 'E1001:')
+ v9.CheckDefFailure(['}'], 'E1025:')
+ v9.CheckDefFailure(['{', 'echo 1'], 'E1026:')
+enddef
+
+def Test_block_local_vars()
+ var lines =<< trim END
+ vim9script
+ v:testing = 1
+ if true
+ var text = ['hello']
+ def SayHello(): list<string>
+ return text
+ enddef
+ def SetText(v: string)
+ text = [v]
+ enddef
+ endif
+
+ if true
+ var text = ['again']
+ def SayAgain(): list<string>
+ return text
+ enddef
+ endif
+
+ # test that the "text" variables are not cleaned up
+ test_garbagecollect_now()
+
+ defcompile
+
+ assert_equal(['hello'], SayHello())
+ assert_equal(['again'], SayAgain())
+
+ SetText('foobar')
+ assert_equal(['foobar'], SayHello())
+
+ call writefile(['ok'], 'Xdidit')
+ qall!
+ END
+
+ # need to execute this with a separate Vim instance to avoid the current
+ # context gets garbage collected.
+ writefile(lines, 'Xscript', 'D')
+ g:RunVim([], [], '-S Xscript')
+ assert_equal(['ok'], readfile('Xdidit'))
+
+ delete('Xdidit')
+enddef
+
+def Test_block_local_vars_with_func()
+ var lines =<< trim END
+ vim9script
+ if true
+ var foo = 'foo'
+ if true
+ var bar = 'bar'
+ def Func(): list<string>
+ return [foo, bar]
+ enddef
+ endif
+ endif
+ # function is compiled here, after blocks have finished, can still access
+ # "foo" and "bar"
+ assert_equal(['foo', 'bar'], Func())
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+" legacy func for command that's defined later
+func s:InvokeSomeCommand()
+ SomeCommand
+endfunc
+
+def Test_autocommand_block()
+ com SomeCommand {
+ g:someVar = 'some'
+ }
+ InvokeSomeCommand()
+ assert_equal('some', g:someVar)
+
+ delcommand SomeCommand
+ unlet g:someVar
+enddef
+
+def Test_command_block()
+ au BufNew *.xml {
+ g:otherVar = 'other'
+ }
+ split other.xml
+ assert_equal('other', g:otherVar)
+
+ bwipe!
+ au! BufNew *.xml
+ unlet g:otherVar
+enddef
+
+func g:NoSuchFunc()
+ echo 'none'
+endfunc
+
+def Test_try_catch_throw()
+ var l = []
+ try # comment
+ add(l, '1')
+ throw 'wrong'
+ add(l, '2') # "unreachable code"
+ catch # comment
+ add(l, v:exception)
+ finally # comment
+ add(l, '3')
+ endtry # comment
+ assert_equal(['1', 'wrong', '3'], l)
+
+ l = []
+ try
+ try
+ add(l, '1')
+ throw 'wrong'
+ add(l, '2') # "unreachable code"
+ catch /right/
+ add(l, v:exception)
+ endtry
+ catch /wrong/
+ add(l, 'caught')
+ finally
+ add(l, 'finally')
+ endtry
+ assert_equal(['1', 'caught', 'finally'], l)
+
+ var n: number
+ try
+ n = l[3]
+ catch /E684:/
+ n = 99
+ endtry
+ assert_equal(99, n)
+
+ var done = 'no'
+ if 0
+ try | catch | endtry
+ else
+ done = 'yes'
+ endif
+ assert_equal('yes', done)
+
+ done = 'no'
+ if 1
+ done = 'yes'
+ else
+ try | catch | endtry
+ done = 'never'
+ endif
+ assert_equal('yes', done)
+
+ if 1
+ else
+ try | catch /pat/ | endtry
+ try | catch /pat/
+ endtry
+ try
+ catch /pat/ | endtry
+ try
+ catch /pat/
+ endtry
+ endif
+
+ try
+ # string slice returns a string, not a number
+ n = g:astring[3]
+ catch /E1012:/
+ n = 77
+ endtry
+ assert_equal(77, n)
+
+ try
+ n = l[g:astring]
+ catch /E1012:/
+ n = 88
+ endtry
+ assert_equal(88, n)
+
+ try
+ n = s:does_not_exist
+ catch /E121:/
+ n = 111
+ endtry
+ assert_equal(111, n)
+
+ try
+ n = g:does_not_exist
+ catch /E121:/
+ n = 121
+ endtry
+ assert_equal(121, n)
+
+ var d = {one: 1}
+ try
+ n = d[g:astring]
+ catch /E716:/
+ n = 222
+ endtry
+ assert_equal(222, n)
+
+ try
+ n = -g:astring
+ catch /E1012:/
+ n = 233
+ endtry
+ assert_equal(233, n)
+
+ try
+ n = +g:astring
+ catch /E1012:/
+ n = 244
+ endtry
+ assert_equal(244, n)
+
+ try
+ n = +g:alist
+ catch /E1012:/
+ n = 255
+ endtry
+ assert_equal(255, n)
+
+ var nd: dict<any>
+ try
+ nd = {[g:alist]: 1}
+ catch /E1105:/
+ n = 266
+ endtry
+ assert_equal(266, n)
+
+ l = [1, 2, 3]
+ try
+ [n] = l
+ catch /E1093:/
+ n = 277
+ endtry
+ assert_equal(277, n)
+
+ try
+ &ts = g:astring
+ catch /E1012:/
+ n = 288
+ endtry
+ assert_equal(288, n)
+
+ try
+ &backspace = 'asdf'
+ catch /E474:/
+ n = 299
+ endtry
+ assert_equal(299, n)
+
+ l = [1]
+ try
+ l[3] = 3
+ catch /E684:/
+ n = 300
+ endtry
+ assert_equal(300, n)
+
+ try
+ unlet g:does_not_exist
+ catch /E108:/
+ n = 322
+ endtry
+ assert_equal(322, n)
+
+ try
+ d = {text: 1, [g:astring]: 2}
+ catch /E721:/
+ n = 333
+ endtry
+ assert_equal(333, n)
+
+ try
+ l = g:DeletedFunc()
+ catch /E933:/
+ n = 344
+ endtry
+ assert_equal(344, n)
+
+ try
+ echo range(1, 2, 0)
+ catch /E726:/
+ n = 355
+ endtry
+ assert_equal(355, n)
+
+ var P = function('g:NoSuchFunc')
+ delfunc g:NoSuchFunc
+ try
+ echo P()
+ catch /E117:/
+ n = 366
+ endtry
+ assert_equal(366, n)
+
+ try
+ echo g:NoSuchFunc()
+ catch /E117:/
+ n = 377
+ endtry
+ assert_equal(377, n)
+
+ try
+ echo g:alist + 4
+ catch /E745:/
+ n = 388
+ endtry
+ assert_equal(388, n)
+
+ try
+ echo 4 + g:alist
+ catch /E745:/
+ n = 399
+ endtry
+ assert_equal(399, n)
+
+ try
+ echo g:alist.member
+ catch /E715:/
+ n = 400
+ endtry
+ assert_equal(400, n)
+
+ try
+ echo d.member
+ catch /E716:/
+ n = 411
+ endtry
+ assert_equal(411, n)
+
+ var counter = 0
+ for i in range(4)
+ try
+ eval [][0]
+ catch
+ endtry
+ counter += 1
+ endfor
+ assert_equal(4, counter)
+
+ # no requirement for spaces before |
+ try|echo 0|catch|endtry
+
+ # return in try with finally
+ def ReturnInTry(): number
+ var ret = 4
+ try
+ return ret
+ catch /this/
+ return -1
+ catch /that/
+ return -1
+ finally
+ # changing ret has no effect
+ ret = 7
+ endtry
+ return -2
+ enddef
+ assert_equal(4, ReturnInTry())
+
+ # return in catch with finally
+ def ReturnInCatch(): number
+ var ret = 5
+ try
+ throw 'getout'
+ return -1 # "unreachable code"
+ catch /getout/
+ # ret is evaluated here
+ return ret
+ finally
+ # changing ret later has no effect
+ ret = -3
+ endtry
+ return -2
+ enddef
+ assert_equal(5, ReturnInCatch())
+
+ # return in finally after empty catch
+ def ReturnInFinally(): number
+ try
+ finally
+ return 6
+ endtry
+ enddef
+ assert_equal(6, ReturnInFinally())
+
+ var lines =<< trim END
+ vim9script
+ try
+ acos('0.5')
+ ->setline(1)
+ catch
+ g:caught = v:exception
+ endtry
+ END
+ v9.CheckScriptSuccess(lines)
+ assert_match('E1219: Float or Number required for argument 1', g:caught)
+ unlet g:caught
+
+ # missing catch and/or finally
+ lines =<< trim END
+ vim9script
+ try
+ echo 'something'
+ endtry
+ END
+ v9.CheckScriptFailure(lines, 'E1032:')
+
+ # skipping try-finally-endtry when try-finally-endtry is used in another block
+ lines =<< trim END
+ if v:true
+ try
+ finally
+ endtry
+ else
+ try
+ finally
+ endtry
+ endif
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+enddef
+
+def Test_unreachable_after()
+ var lines =<< trim END
+ try
+ throw 'Error'
+ echo 'not reached'
+ catch /Error/
+ endtry
+ END
+ v9.CheckDefFailure(lines, 'E1095: Unreachable code after :throw')
+
+ lines =<< trim END
+ def SomeFunc(): number
+ try
+ return 3
+ echo 'not reached'
+ catch /Error/
+ endtry
+ return 4
+ enddef
+ defcompile
+ END
+ v9.CheckScriptFailure(lines, 'E1095: Unreachable code after :return')
+enddef
+
+def Test_throw_in_nested_try()
+ var lines =<< trim END
+ vim9script
+
+ def Try(F: func(): void)
+ try
+ F()
+ catch
+ endtry
+ enddef
+
+ class X
+ def F()
+ try
+ throw 'Foobar'
+ catch
+ throw v:exception
+ endtry
+ enddef
+ endclass
+
+ def Test_TryMethod()
+ var x = X.new()
+ Try(() => x.F())
+ enddef
+
+
+ try
+ Test_TryMethod()
+ catch
+ endtry
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+def Test_try_var_decl()
+ var lines =<< trim END
+ vim9script
+ try
+ var in_try = 1
+ assert_equal(1, get(s:, 'in_try', -1))
+ throw "getout"
+ catch
+ var in_catch = 2
+ assert_equal(-1, get(s:, 'in_try', -1))
+ assert_equal(2, get(s:, 'in_catch', -1))
+ finally
+ var in_finally = 3
+ assert_equal(-1, get(s:, 'in_try', -1))
+ assert_equal(-1, get(s:, 'in_catch', -1))
+ assert_equal(3, get(s:, 'in_finally', -1))
+ endtry
+ assert_equal(-1, get(s:, 'in_try', -1))
+ assert_equal(-1, get(s:, 'in_catch', -1))
+ assert_equal(-1, get(s:, 'in_finally', -1))
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+def Test_try_ends_in_return()
+ var lines =<< trim END
+ vim9script
+ def Foo(): string
+ try
+ return 'foo'
+ catch
+ return 'caught'
+ endtry
+ enddef
+ assert_equal('foo', Foo())
+ END
+ v9.CheckScriptSuccess(lines)
+
+ lines =<< trim END
+ vim9script
+ def Foo(): string
+ try
+ return 'foo'
+ catch
+ return 'caught'
+ endtry
+ echo 'notreached'
+ enddef
+ assert_equal('foo', Foo())
+ END
+ v9.CheckScriptFailure(lines, 'E1095:')
+
+ lines =<< trim END
+ vim9script
+ def Foo(): string
+ try
+ return 'foo'
+ catch /x/
+ return 'caught'
+ endtry
+ enddef
+ assert_equal('foo', Foo())
+ END
+ v9.CheckScriptFailure(lines, 'E1027:')
+
+ lines =<< trim END
+ vim9script
+ def Foo(): string
+ try
+ echo 'foo'
+ catch
+ echo 'caught'
+ finally
+ return 'done'
+ endtry
+ enddef
+ assert_equal('done', Foo())
+ END
+ v9.CheckScriptSuccess(lines)
+
+enddef
+
+def Test_try_in_catch()
+ var lines =<< trim END
+ vim9script
+ var seq = []
+ def DoIt()
+ try
+ seq->add('throw 1')
+ eval [][0]
+ seq->add('notreached')
+ catch
+ seq->add('catch')
+ try
+ seq->add('throw 2')
+ eval [][0]
+ seq->add('notreached')
+ catch /nothing/
+ seq->add('notreached')
+ endtry
+ seq->add('done')
+ endtry
+ enddef
+ DoIt()
+ assert_equal(['throw 1', 'catch', 'throw 2', 'done'], seq)
+ END
+enddef
+
+def Test_error_in_catch()
+ var lines =<< trim END
+ try
+ eval [][0]
+ catch /E684:/
+ eval [][0]
+ endtry
+ END
+ v9.CheckDefExecFailure(lines, 'E684:', 4)
+enddef
+
+" :while at the very start of a function that :continue jumps to
+def s:TryContinueFunc()
+ while g:Count < 2
+ g:sequence ..= 't'
+ try
+ echoerr 'Test'
+ catch
+ g:Count += 1
+ g:sequence ..= 'c'
+ continue
+ endtry
+ g:sequence ..= 'e'
+ g:Count += 1
+ endwhile
+enddef
+
+def Test_continue_in_try_in_while()
+ g:Count = 0
+ g:sequence = ''
+ TryContinueFunc()
+ assert_equal('tctc', g:sequence)
+ unlet g:Count
+ unlet g:sequence
+enddef
+
+def Test_break_in_try_in_for()
+ var lines =<< trim END
+ vim9script
+ def Ls(): list<string>
+ var ls: list<string>
+ for s in ['abc', 'def']
+ for _ in [123, 456]
+ try
+ eval [][0]
+ catch
+ break
+ endtry
+ endfor
+ ls += [s]
+ endfor
+ return ls
+ enddef
+ assert_equal(['abc', 'def'], Ls())
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+def Test_nocatch_return_in_try()
+ # return in try block returns normally
+ def ReturnInTry(): string
+ try
+ return '"some message"'
+ catch
+ endtry
+ return 'not reached'
+ enddef
+ exe 'echoerr ' .. ReturnInTry()
+enddef
+
+def Test_cnext_works_in_catch()
+ var lines =<< trim END
+ vim9script
+ au BufEnter * eval 1 + 2
+ writefile(['text'], 'Xcncfile1')
+ writefile(['text'], 'Xcncfile2')
+ var items = [
+ {lnum: 1, filename: 'Xcncfile1', valid: true},
+ {lnum: 1, filename: 'Xcncfile2', valid: true}
+ ]
+ setqflist([], ' ', {items: items})
+ cwindow
+
+ def CnextOrCfirst()
+ # if cnext fails, cfirst is used
+ try
+ cnext
+ catch
+ cfirst
+ endtry
+ enddef
+
+ CnextOrCfirst()
+ CnextOrCfirst()
+ writefile([getqflist({idx: 0}).idx], 'Xcncresult')
+ qall
+ END
+ writefile(lines, 'XCatchCnext', 'D')
+ g:RunVim([], [], '--clean -S XCatchCnext')
+ assert_equal(['1'], readfile('Xcncresult'))
+
+ delete('Xcncfile1')
+ delete('Xcncfile2')
+ delete('Xcncresult')
+enddef
+
+def Test_throw_skipped()
+ if 0
+ throw dontgethere
+ endif
+enddef
+
+def Test_nocatch_throw_silenced()
+ var lines =<< trim END
+ vim9script
+ def Func()
+ throw 'error'
+ enddef
+ silent! Func()
+ END
+ writefile(lines, 'XthrowSilenced', 'D')
+ source XthrowSilenced
+enddef
+
+" g:DeletedFunc() is found when compiling Test_try_catch_throw() and then
+" deleted, this should give a runtime error.
+def DeletedFunc(): list<any>
+ return ['delete me']
+enddef
+defcompile DeletedFunc
+
+call test_override('unreachable', 1)
+defcompile Test_try_catch_throw
+call test_override('unreachable', 0)
+
+delfunc DeletedFunc
+
+def s:ThrowFromDef()
+ throw "getout" # comment
+enddef
+
+func s:CatchInFunc()
+ try
+ call s:ThrowFromDef()
+ catch
+ let g:thrown_func = v:exception
+ endtry
+endfunc
+
+def s:CatchInDef()
+ try
+ ThrowFromDef()
+ catch
+ g:thrown_def = v:exception
+ endtry
+enddef
+
+def s:ReturnFinally(): string
+ try
+ return 'intry'
+ finally
+ g:in_finally = 'finally'
+ endtry
+ return 'end'
+enddef
+
+def Test_try_catch_nested()
+ CatchInFunc()
+ assert_equal('getout', g:thrown_func)
+
+ CatchInDef()
+ assert_equal('getout', g:thrown_def)
+
+ assert_equal('intry', ReturnFinally())
+ assert_equal('finally', g:in_finally)
+
+ var l = []
+ try
+ l->add('1')
+ throw 'bad'
+ l->add('x') # "unreachable code"
+ catch /bad/
+ l->add('2')
+ try
+ l->add('3')
+ throw 'one'
+ l->add('x')
+ catch /one/
+ l->add('4')
+ try
+ l->add('5')
+ throw 'more'
+ l->add('x')
+ catch /more/
+ l->add('6')
+ endtry
+ endtry
+ endtry
+ assert_equal(['1', '2', '3', '4', '5', '6'], l)
+
+ l = []
+ try
+ try
+ l->add('1')
+ throw 'foo'
+ l->add('x')
+ catch
+ l->add('2')
+ throw 'bar'
+ l->add('x')
+ finally
+ l->add('3')
+ endtry
+ l->add('x')
+ catch /bar/
+ l->add('4')
+ endtry
+ assert_equal(['1', '2', '3', '4'], l)
+enddef
+
+call test_override('unreachable', 1)
+defcompile Test_try_catch_nested
+call test_override('unreachable', 0)
+
+def s:TryOne(): number
+ try
+ return 0
+ catch
+ endtry
+ return 0
+enddef
+
+def s:TryTwo(n: number): string
+ try
+ var x = {}
+ catch
+ endtry
+ return 'text'
+enddef
+
+def Test_try_catch_twice()
+ assert_equal('text', TryOne()->TryTwo())
+enddef
+
+def Test_try_catch_match()
+ var seq = 'a'
+ try
+ throw 'something'
+ catch /nothing/
+ seq ..= 'x'
+ catch /some/
+ seq ..= 'b'
+ catch /asdf/
+ seq ..= 'x'
+ catch ?a\?sdf?
+ seq ..= 'y'
+ finally
+ seq ..= 'c'
+ endtry
+ assert_equal('abc', seq)
+enddef
+
+def Test_try_catch_fails()
+ v9.CheckDefFailure(['catch'], 'E603:')
+ v9.CheckDefFailure(['try', 'echo 0', 'catch', 'catch'], 'E1033:')
+ v9.CheckDefFailure(['try', 'echo 0', 'catch /pat'], 'E1067:')
+ v9.CheckDefFailure(['finally'], 'E606:')
+ v9.CheckDefFailure(['try', 'echo 0', 'finally', 'echo 1', 'finally'], 'E607:')
+ v9.CheckDefFailure(['endtry'], 'E602:')
+ v9.CheckDefFailure(['while 1', 'endtry'], 'E170:')
+ v9.CheckDefFailure(['for i in range(5)', 'endtry'], 'E170:')
+ v9.CheckDefFailure(['if 1', 'endtry'], 'E171:')
+ v9.CheckDefFailure(['try', 'echo 1', 'endtry'], 'E1032:')
+
+ v9.CheckDefFailure(['throw'], 'E1143:')
+ v9.CheckDefFailure(['throw xxx'], 'E1001:')
+enddef
+
+def Try_catch_skipped()
+ var l = []
+ try
+ finally
+ endtry
+
+ if 1
+ else
+ try
+ endtry
+ endif
+enddef
+
+" The skipped try/endtry was updating the wrong instruction.
+def Test_try_catch_skipped()
+ var instr = execute('disassemble Try_catch_skipped')
+ assert_match("NEWLIST size 0\n", instr)
+enddef
+
+def Test_throw_line_number()
+ def Func()
+ eval 1 + 1
+ eval 2 + 2
+ throw 'exception'
+ enddef
+ try
+ Func()
+ catch /exception/
+ assert_match('line 3', v:throwpoint)
+ endtry
+enddef
+
+
+def Test_throw_vimscript()
+ # only checks line continuation
+ var lines =<< trim END
+ vim9script
+ try
+ throw 'one'
+ .. 'two'
+ catch
+ assert_equal('onetwo', v:exception)
+ endtry
+ END
+ v9.CheckScriptSuccess(lines)
+
+ lines =<< trim END
+ vim9script
+ @r = ''
+ def Func()
+ throw @r
+ enddef
+ var result = ''
+ try
+ Func()
+ catch /E1129:/
+ result = 'caught'
+ endtry
+ assert_equal('caught', result)
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+def Test_error_in_nested_function()
+ # an error in a nested :function aborts executing in the calling :def function
+ var lines =<< trim END
+ vim9script
+ def Func()
+ Error()
+ g:test_var = 1
+ enddef
+ func Error() abort
+ eval [][0]
+ endfunc
+ Func()
+ END
+ g:test_var = 0
+ v9.CheckScriptFailure(lines, 'E684:')
+ assert_equal(0, g:test_var)
+enddef
+
+def Test_abort_after_error()
+ var lines =<< trim END
+ vim9script
+ while true
+ echo notfound
+ endwhile
+ g:gotthere = true
+ END
+ g:gotthere = false
+ v9.CheckScriptFailure(lines, 'E121:')
+ assert_false(g:gotthere)
+ unlet g:gotthere
+enddef
+
+def Test_cexpr_vimscript()
+ # only checks line continuation
+ set errorformat=File\ %f\ line\ %l
+ var lines =<< trim END
+ vim9script
+ cexpr 'File'
+ .. ' someFile' ..
+ ' line 19'
+ assert_equal(19, getqflist()[0].lnum)
+ END
+ v9.CheckScriptSuccess(lines)
+
+ lines =<< trim END
+ vim9script
+ def CexprFail()
+ au QuickfixCmdPre * echo g:doesnotexist
+ cexpr 'File otherFile line 99'
+ g:didContinue = 'yes'
+ enddef
+ CexprFail()
+ g:didContinue = 'also'
+ END
+ g:didContinue = 'no'
+ v9.CheckScriptFailure(lines, 'E121: Undefined variable: g:doesnotexist')
+ assert_equal('no', g:didContinue)
+ au! QuickfixCmdPre
+
+ lines =<< trim END
+ vim9script
+ def CexprFail()
+ cexpr g:aNumber
+ g:didContinue = 'yes'
+ enddef
+ CexprFail()
+ g:didContinue = 'also'
+ END
+ g:aNumber = 123
+ g:didContinue = 'no'
+ v9.CheckScriptFailure(lines, 'E777: String or List expected')
+ assert_equal('no', g:didContinue)
+ unlet g:didContinue
+
+ set errorformat&
+enddef
+
+def Test_statusline_syntax()
+ # legacy syntax is used for 'statusline'
+ var lines =<< trim END
+ vim9script
+ func g:Status()
+ return '%{"x" is# "x"}'
+ endfunc
+ set laststatus=2 statusline=%!Status()
+ redrawstatus
+ set laststatus statusline=
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+def Test_list_vimscript()
+ # checks line continuation and comments
+ var lines =<< trim END
+ vim9script
+ var mylist = [
+ 'one',
+ # comment
+ 'two', # empty line follows
+
+ 'three',
+ ]
+ assert_equal(['one', 'two', 'three'], mylist)
+ END
+ v9.CheckScriptSuccess(lines)
+
+ # check all lines from heredoc are kept
+ lines =<< trim END
+ # comment 1
+ two
+ # comment 3
+
+ five
+ # comment 6
+ END
+ assert_equal(['# comment 1', 'two', '# comment 3', '', 'five', '# comment 6'], lines)
+
+ lines =<< trim END
+ [{
+ a: 0}]->string()->assert_equal("[{'a': 0}]")
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+enddef
+
+if has('channel')
+ let someJob = test_null_job()
+
+ def FuncWithError()
+ echomsg g:someJob
+ enddef
+
+ func Test_convert_emsg_to_exception()
+ try
+ call FuncWithError()
+ catch
+ call assert_match('Vim:E908:', v:exception)
+ endtry
+ endfunc
+endif
+
+def Test_vim9script_mix()
+ var lines =<< trim END
+ if has(g:feature)
+ " legacy script
+ let g:legacy = 1
+ finish
+ endif
+ vim9script
+ g:legacy = 0
+ END
+ g:feature = 'eval'
+ g:legacy = -1
+ v9.CheckScriptSuccess(lines)
+ assert_equal(1, g:legacy)
+
+ g:feature = 'noteval'
+ g:legacy = -1
+ v9.CheckScriptSuccess(lines)
+ assert_equal(0, g:legacy)
+enddef
+
+def Test_vim9script_fails()
+ v9.CheckScriptFailure(['scriptversion 2', 'vim9script'], 'E1039:')
+ v9.CheckScriptFailure(['vim9script', 'scriptversion 2'], 'E1040:')
+
+ v9.CheckScriptFailure(['vim9script', 'var str: string', 'str = 1234'], 'E1012:')
+ v9.CheckScriptFailure(['vim9script', 'const str = "asdf"', 'str = "xxx"'], 'E46:')
+
+ assert_fails('vim9script', 'E1038:')
+ v9.CheckDefFailure(['vim9script'], 'E1038:')
+
+ # no error when skipping
+ if has('nothing')
+ vim9script
+ endif
+enddef
+
+def Test_script_var_shadows_function()
+ var lines =<< trim END
+ vim9script
+ def Func(): number
+ return 123
+ enddef
+ var Func = 1
+ END
+ v9.CheckScriptFailure(lines, 'E1041:', 5)
+enddef
+
+def Test_function_shadows_script_var()
+ var lines =<< trim END
+ vim9script
+ var Func = 1
+ def Func(): number
+ return 123
+ enddef
+ END
+ v9.CheckScriptFailure(lines, 'E1041:', 3)
+enddef
+
+def Test_script_var_shadows_command()
+ var lines =<< trim END
+ var undo = 1
+ undo = 2
+ assert_equal(2, undo)
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+
+ lines =<< trim END
+ var undo = 1
+ undo
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E1207:', 2)
+enddef
+
+def Test_vim9script_call_wrong_type()
+ var lines =<< trim END
+ vim9script
+ var Time = 'localtime'
+ Time()
+ END
+ v9.CheckScriptFailure(lines, 'E1085:')
+enddef
+
+def Test_vim9script_reload_delfunc()
+ var first_lines =<< trim END
+ vim9script
+ def FuncYes(): string
+ return 'yes'
+ enddef
+ END
+ var withno_lines =<< trim END
+ def FuncNo(): string
+ return 'no'
+ enddef
+ def g:DoCheck(no_exists: bool)
+ assert_equal('yes', FuncYes())
+ assert_equal('no', FuncNo())
+ enddef
+ END
+ var nono_lines =<< trim END
+ def g:DoCheck(no_exists: bool)
+ assert_equal('yes', FuncYes())
+ assert_fails('FuncNo()', 'E117:', '', 2, 'DoCheck')
+ enddef
+ END
+
+ # FuncNo() is defined
+ writefile(first_lines + withno_lines, 'Xreloaded.vim', 'D')
+ source Xreloaded.vim
+ g:DoCheck(true)
+
+ # FuncNo() is not redefined
+ writefile(first_lines + nono_lines, 'Xreloaded.vim')
+ source Xreloaded.vim
+ g:DoCheck(false)
+
+ # FuncNo() is back
+ writefile(first_lines + withno_lines, 'Xreloaded.vim')
+ source Xreloaded.vim
+ g:DoCheck(false)
+enddef
+
+def Test_vim9script_reload_delvar()
+ # write the script with a script-local variable
+ var lines =<< trim END
+ vim9script
+ var name = 'string'
+ END
+ writefile(lines, 'XreloadVar.vim', 'D')
+ source XreloadVar.vim
+
+ # now write the script using the same variable locally - works
+ lines =<< trim END
+ vim9script
+ def Func()
+ var name = 'string'
+ enddef
+ END
+ writefile(lines, 'XreloadVar.vim')
+ source XreloadVar.vim
+enddef
+
+def Test_func_redefine_error()
+ var lines = [
+ 'vim9script',
+ 'def Func()',
+ ' eval [][0]',
+ 'enddef',
+ 'Func()',
+ ]
+ writefile(lines, 'Xtestscript.vim', 'D')
+
+ for count in range(3)
+ try
+ source Xtestscript.vim
+ catch /E684/
+ # function name should contain <SNR> every time
+ assert_match('E684: List index out of range', v:exception)
+ assert_match('function <SNR>\d\+_Func, line 1', v:throwpoint)
+ endtry
+ endfor
+enddef
+
+def Test_func_redefine_fails()
+ var lines =<< trim END
+ vim9script
+ def Func()
+ echo 'one'
+ enddef
+ def Func()
+ echo 'two'
+ enddef
+ END
+ v9.CheckScriptFailure(lines, 'E1073:')
+
+ lines =<< trim END
+ vim9script
+ def Foo(): string
+ return 'foo'
+ enddef
+ def Func()
+ var Foo = {-> 'lambda'}
+ enddef
+ defcompile
+ END
+ v9.CheckScriptFailure(lines, 'E1073:')
+enddef
+
+def Test_lambda_split()
+ # this was using freed memory, because of the split expression
+ var lines =<< trim END
+ vim9script
+ try
+ 0
+ 0->(0
+ ->a.0(
+ ->u
+ END
+ v9.CheckScriptFailure(lines, 'E1050:')
+enddef
+
+def Test_fixed_size_list()
+ # will be allocated as one piece of memory, check that changes work
+ var l = [1, 2, 3, 4]
+ l->remove(0)
+ l->add(5)
+ l->insert(99, 1)
+ assert_equal([2, 99, 3, 4, 5], l)
+enddef
+
+def Test_no_insert_xit()
+ v9.CheckDefExecFailure(['a = 1'], 'E1100:')
+ v9.CheckDefExecFailure(['c = 1'], 'E1100:')
+ v9.CheckDefExecFailure(['i = 1'], 'E1100:')
+ v9.CheckDefExecFailure(['t = 1'], 'E1100:')
+ v9.CheckDefExecFailure(['x = 1'], 'E1100:')
+
+ v9.CheckScriptFailure(['vim9script', 'a = 1'], 'E488:')
+ v9.CheckScriptFailure(['vim9script', 'a'], 'E1100:')
+ v9.CheckScriptFailure(['vim9script', 'c = 1'], 'E488:')
+ v9.CheckScriptFailure(['vim9script', 'c'], 'E1100:')
+ v9.CheckScriptFailure(['vim9script', 'i = 1'], 'E488:')
+ v9.CheckScriptFailure(['vim9script', 'i'], 'E1100:')
+ v9.CheckScriptFailure(['vim9script', 'o = 1'], 'E1100:')
+ v9.CheckScriptFailure(['vim9script', 'o'], 'E1100:')
+ v9.CheckScriptFailure(['vim9script', 't'], 'E1100:')
+ v9.CheckScriptFailure(['vim9script', 't = 1'], 'E1100:')
+ v9.CheckScriptFailure(['vim9script', 'x = 1'], 'E1100:')
+enddef
+
+def s:IfElse(what: number): string
+ var res = ''
+ if what == 1
+ res = "one"
+ elseif what == 2
+ res = "two"
+ else
+ res = "three"
+ endif
+ return res
+enddef
+
+def Test_if_elseif_else()
+ assert_equal('one', IfElse(1))
+ assert_equal('two', IfElse(2))
+ assert_equal('three', IfElse(3))
+enddef
+
+def Test_if_elseif_else_fails()
+ v9.CheckDefFailure(['elseif true'], 'E582:')
+ v9.CheckDefFailure(['else'], 'E581:')
+ v9.CheckDefFailure(['endif'], 'E580:')
+ v9.CheckDefFailure(['if g:abool', 'elseif xxx'], 'E1001:')
+ v9.CheckDefFailure(['if true', 'echo 1'], 'E171:')
+
+ var lines =<< trim END
+ var s = ''
+ if s = ''
+ endif
+ END
+ v9.CheckDefFailure(lines, 'E488:')
+
+ lines =<< trim END
+ var s = ''
+ if s == ''
+ elseif s = ''
+ endif
+ END
+ v9.CheckDefFailure(lines, 'E488:')
+
+ lines =<< trim END
+ var cond = true
+ if cond
+ echo 'true'
+ elseif
+ echo 'false'
+ endif
+ END
+ v9.CheckDefAndScriptFailure(lines, ['E1143:', 'E15:'], 4)
+enddef
+
+def Test_if_else_func_using_var()
+ var lines =<< trim END
+ vim9script
+
+ const debug = true
+ if debug
+ var mode_chars = 'something'
+ def Bits2Ascii()
+ var x = mode_chars
+ g:where = 'in true'
+ enddef
+ else
+ def Bits2Ascii()
+ g:where = 'in false'
+ enddef
+ endif
+
+ Bits2Ascii()
+ END
+ v9.CheckScriptSuccess(lines)
+ assert_equal('in true', g:where)
+ unlet g:where
+
+ lines =<< trim END
+ vim9script
+
+ const debug = false
+ if debug
+ var mode_chars = 'something'
+ def Bits2Ascii()
+ g:where = 'in true'
+ enddef
+ else
+ def Bits2Ascii()
+ var x = mode_chars
+ g:where = 'in false'
+ enddef
+ endif
+
+ Bits2Ascii()
+ END
+ v9.CheckScriptFailure(lines, 'E1001: Variable not found: mode_chars')
+enddef
+
+let g:bool_true = v:true
+let g:bool_false = v:false
+
+def Test_if_const_expr()
+ var res = false
+ if true ? true : false
+ res = true
+ endif
+ assert_equal(true, res)
+
+ g:glob = 2
+ if false
+ execute('g:glob = 3')
+ endif
+ assert_equal(2, g:glob)
+ if true
+ execute('g:glob = 3')
+ endif
+ assert_equal(3, g:glob)
+
+ res = false
+ if g:bool_true ? true : false
+ res = true
+ endif
+ assert_equal(true, res)
+
+ res = false
+ if true ? g:bool_true : false
+ res = true
+ endif
+ assert_equal(true, res)
+
+ res = false
+ if true ? true : g:bool_false
+ res = true
+ endif
+ assert_equal(true, res)
+
+ res = false
+ if true ? false : true
+ res = true
+ endif
+ assert_equal(false, res)
+
+ res = false
+ if false ? false : true
+ res = true
+ endif
+ assert_equal(true, res)
+
+ res = false
+ if false ? true : false
+ res = true
+ endif
+ assert_equal(false, res)
+
+ res = false
+ if has('xyz') ? true : false
+ res = true
+ endif
+ assert_equal(false, res)
+
+ res = false
+ if true && true
+ res = true
+ endif
+ assert_equal(true, res)
+
+ res = false
+ if true && false
+ res = true
+ endif
+ assert_equal(false, res)
+
+ res = false
+ if g:bool_true && false
+ res = true
+ endif
+ assert_equal(false, res)
+
+ res = false
+ if true && g:bool_false
+ res = true
+ endif
+ assert_equal(false, res)
+
+ res = false
+ if false && false
+ res = true
+ endif
+ assert_equal(false, res)
+
+ res = false
+ if true || false
+ res = true
+ endif
+ assert_equal(true, res)
+
+ res = false
+ if g:bool_true || false
+ res = true
+ endif
+ assert_equal(true, res)
+
+ res = false
+ if true || g:bool_false
+ res = true
+ endif
+ assert_equal(true, res)
+
+ res = false
+ if false || false
+ res = true
+ endif
+ assert_equal(false, res)
+
+ # with constant "false" expression may be invalid so long as the syntax is OK
+ if false | eval 1 + 2 | endif
+ if false | eval burp + 234 | endif
+ if false | echo burp 234 'asd' | endif
+ if false
+ burp
+ endif
+
+ if 0
+ if 1
+ echo nothing
+ elseif 1
+ echo still nothing
+ endif
+ endif
+
+ # expression with line breaks skipped
+ if false
+ ('aaa'
+ .. 'bbb'
+ .. 'ccc'
+ )->setline(1)
+ endif
+enddef
+
+def Test_if_const_expr_fails()
+ v9.CheckDefFailure(['if "aaa" == "bbb'], 'E114:')
+ v9.CheckDefFailure(["if 'aaa' == 'bbb"], 'E115:')
+ v9.CheckDefFailure(["if has('aaa'"], 'E110:')
+ v9.CheckDefFailure(["if has('aaa') ? true false"], 'E109:')
+enddef
+
+def s:RunNested(i: number): number
+ var x: number = 0
+ if i % 2
+ if 1
+ # comment
+ else
+ # comment
+ endif
+ x += 1
+ else
+ x += 1000
+ endif
+ return x
+enddef
+
+def Test_nested_if()
+ assert_equal(1, RunNested(1))
+ assert_equal(1000, RunNested(2))
+enddef
+
+def Test_execute_cmd()
+ # missing argument is ignored
+ execute
+ execute # comment
+
+ new
+ setline(1, 'default')
+ execute 'setline(1, "execute-string")'
+ assert_equal('execute-string', getline(1))
+
+ execute "setline(1, 'execute-string')"
+ assert_equal('execute-string', getline(1))
+
+ var cmd1 = 'setline(1,'
+ var cmd2 = '"execute-var")'
+ execute cmd1 cmd2 # comment
+ assert_equal('execute-var', getline(1))
+
+ execute cmd1 cmd2 '|setline(1, "execute-var-string")'
+ assert_equal('execute-var-string', getline(1))
+
+ var cmd_first = 'call '
+ var cmd_last = 'setline(1, "execute-var-var")'
+ execute cmd_first .. cmd_last
+ assert_equal('execute-var-var', getline(1))
+ bwipe!
+
+ var n = true
+ execute 'echomsg' (n ? '"true"' : '"no"')
+ assert_match('^true$', g:Screenline(&lines))
+
+ echomsg [1, 2, 3] {a: 1, b: 2}
+ assert_match('^\[1, 2, 3\] {''a'': 1, ''b'': 2}$', g:Screenline(&lines))
+
+ v9.CheckDefFailure(['execute xxx'], 'E1001:', 1)
+ v9.CheckDefExecFailure(['execute "tabnext " .. 8'], 'E475:', 1)
+ v9.CheckDefFailure(['execute "cmd"# comment'], 'E488:', 1)
+ if has('channel')
+ v9.CheckDefExecFailure(['execute test_null_channel()'], 'E908:', 1)
+ endif
+enddef
+
+def Test_execute_cmd_vimscript()
+ # only checks line continuation
+ var lines =<< trim END
+ vim9script
+ execute 'g:someVar'
+ .. ' = ' ..
+ '28'
+ assert_equal(28, g:someVar)
+ unlet g:someVar
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+def Test_execute_finish()
+ # the empty lines are relevant here
+ var lines =<< trim END
+ vim9script
+
+ var vname = "g:hello"
+
+ if exists(vname) | finish | endif | execute vname '= "world"'
+
+ assert_equal('world', g:hello)
+
+ if exists(vname) | finish | endif | execute vname '= "world"'
+
+ assert_report('should not be reached')
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+def Test_echo_cmd()
+ echo 'some' # comment
+ echon 'thing'
+ assert_match('^something$', g:Screenline(&lines))
+
+ echo "some" # comment
+ echon "thing"
+ assert_match('^something$', g:Screenline(&lines))
+
+ var str1 = 'some'
+ var str2 = 'more'
+ echo str1 str2
+ assert_match('^some more$', g:Screenline(&lines))
+
+ echo "one\ntwo"
+ assert_match('^one$', g:Screenline(&lines - 1))
+ assert_match('^two$', g:Screenline(&lines))
+
+ v9.CheckDefFailure(['echo "xxx"# comment'], 'E488:')
+enddef
+
+def Test_echomsg_cmd()
+ echomsg 'some' 'more' # comment
+ assert_match('^some more$', g:Screenline(&lines))
+ echo 'clear'
+ :1messages
+ assert_match('^some more$', g:Screenline(&lines))
+
+ v9.CheckDefFailure(['echomsg "xxx"# comment'], 'E488:')
+enddef
+
+def Test_echomsg_cmd_vimscript()
+ # only checks line continuation
+ var lines =<< trim END
+ vim9script
+ echomsg 'here'
+ .. ' is ' ..
+ 'a message'
+ assert_match('^here is a message$', g:Screenline(&lines))
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+def Test_echoerr_cmd()
+ var local = 'local'
+ try
+ echoerr 'something' local 'wrong' # comment
+ catch
+ assert_match('something local wrong', v:exception)
+ endtry
+enddef
+
+def Test_echoerr_cmd_vimscript()
+ # only checks line continuation
+ var lines =<< trim END
+ vim9script
+ try
+ echoerr 'this'
+ .. ' is ' ..
+ 'wrong'
+ catch
+ assert_match('this is wrong', v:exception)
+ endtry
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+def Test_echoconsole_cmd()
+ var local = 'local'
+ echoconsole 'something' local # comment
+ # output goes anywhere
+enddef
+
+def Test_echowindow_cmd()
+ var local = 'local'
+ echowindow 'something' local # comment
+
+ # with modifier
+ unsilent echowin 'loud'
+
+ # output goes in message window
+ popup_clear()
+enddef
+
+def Test_for_outside_of_function()
+ var lines =<< trim END
+ vim9script
+ new
+ for var in range(0, 3)
+ append(line('$'), var)
+ endfor
+ assert_equal(['', '0', '1', '2', '3'], getline(1, '$'))
+ bwipe!
+
+ var result = ''
+ for i in [1, 2, 3]
+ var loop = ' loop ' .. i
+ result ..= loop
+ endfor
+ assert_equal(' loop 1 loop 2 loop 3', result)
+ END
+ writefile(lines, 'Xvim9for.vim', 'D')
+ source Xvim9for.vim
+enddef
+
+def Test_for_skipped_block()
+ # test skipped blocks at outside of function
+ var lines =<< trim END
+ var result = []
+ if true
+ for n in [1, 2]
+ result += [n]
+ endfor
+ else
+ for n in [3, 4]
+ result += [n]
+ endfor
+ endif
+ assert_equal([1, 2], result)
+
+ result = []
+ if false
+ for n in [1, 2]
+ result += [n]
+ endfor
+ else
+ for n in [3, 4]
+ result += [n]
+ endfor
+ endif
+ assert_equal([3, 4], result)
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+
+ # test skipped blocks at inside of function
+ lines =<< trim END
+ def DefTrue()
+ var result = []
+ if true
+ for n in [1, 2]
+ result += [n]
+ endfor
+ else
+ for n in [3, 4]
+ result += [n]
+ endfor
+ endif
+ assert_equal([1, 2], result)
+ enddef
+ DefTrue()
+
+ def DefFalse()
+ var result = []
+ if false
+ for n in [1, 2]
+ result += [n]
+ endfor
+ else
+ for n in [3, 4]
+ result += [n]
+ endfor
+ endif
+ assert_equal([3, 4], result)
+ enddef
+ DefFalse()
+
+ def BuildDiagrams()
+ var diagrams: list<any>
+ if false
+ var max = 0
+ for v in diagrams
+ var l = 3
+ if max < l | max = l | endif
+ v->add(l)
+ endfor
+ endif
+ enddef
+ BuildDiagrams()
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+enddef
+
+def Test_skipped_redir()
+ var lines =<< trim END
+ def Tredir()
+ if 0
+ redir => l[0]
+ redir END
+ endif
+ enddef
+ defcompile
+ END
+ v9.CheckScriptSuccess(lines)
+ delfunc g:Tredir
+
+ lines =<< trim END
+ def Tredir()
+ if 0
+ redir => l[0]
+ endif
+ echo 'executed'
+ if 0
+ redir END
+ endif
+ enddef
+ defcompile
+ END
+ v9.CheckScriptSuccess(lines)
+ delfunc g:Tredir
+
+ lines =<< trim END
+ def Tredir()
+ var l = ['']
+ if 1
+ redir => l[0]
+ endif
+ echo 'executed'
+ if 0
+ redir END
+ else
+ redir END
+ endif
+ enddef
+ defcompile
+ END
+ v9.CheckScriptSuccess(lines)
+ delfunc g:Tredir
+
+ lines =<< trim END
+ let doit = 1
+ def Tredir()
+ var l = ['']
+ if g:doit
+ redir => l[0]
+ endif
+ echo 'executed'
+ if g:doit
+ redir END
+ endif
+ enddef
+ defcompile
+ END
+ v9.CheckScriptSuccess(lines)
+ delfunc g:Tredir
+enddef
+
+def Test_for_loop()
+ var lines =<< trim END
+ var result = ''
+ for cnt in range(7)
+ if cnt == 4
+ break
+ endif
+ if cnt == 2
+ continue
+ endif
+ result ..= cnt .. '_'
+ endfor
+ assert_equal('0_1_3_', result)
+
+ var concat = ''
+ for str in eval('["one", "two"]')
+ concat ..= str
+ endfor
+ assert_equal('onetwo', concat)
+
+ var total = 0
+ for nr in
+ [1, 2, 3]
+ total += nr
+ endfor
+ assert_equal(6, total)
+
+ total = 0
+ for nr
+ in [1, 2, 3]
+ total += nr
+ endfor
+ assert_equal(6, total)
+
+ total = 0
+ for nr
+ in
+ [1, 2, 3]
+ total += nr
+ endfor
+ assert_equal(6, total)
+
+ # with type
+ total = 0
+ for n: number in [1, 2, 3]
+ total += n
+ endfor
+ assert_equal(6, total)
+
+ total = 0
+ for b in 0z010203
+ total += b
+ endfor
+ assert_equal(6, total)
+
+ var chars = ''
+ for s: string in 'foobar'
+ chars ..= s
+ endfor
+ assert_equal('foobar', chars)
+
+ chars = ''
+ for x: string in {a: 'a', b: 'b'}->values()
+ chars ..= x
+ endfor
+ assert_equal('ab', chars)
+
+ # unpack with type
+ var res = ''
+ for [n: number, s: string] in [[1, 'a'], [2, 'b']]
+ res ..= n .. s
+ endfor
+ assert_equal('1a2b', res)
+
+ # unpack with one var
+ var reslist = []
+ for [x] in [['aaa'], ['bbb']]
+ reslist->add(x)
+ endfor
+ assert_equal(['aaa', 'bbb'], reslist)
+
+ # loop over string
+ res = ''
+ for c in 'aéc̀d'
+ res ..= c .. '-'
+ endfor
+ assert_equal('a-é-c̀-d-', res)
+
+ res = ''
+ for c in ''
+ res ..= c .. '-'
+ endfor
+ assert_equal('', res)
+
+ res = ''
+ for c in test_null_string()
+ res ..= c .. '-'
+ endfor
+ assert_equal('', res)
+
+ total = 0
+ for c in null_list
+ total += 1
+ endfor
+ assert_equal(0, total)
+
+ for c in null_blob
+ total += 1
+ endfor
+ assert_equal(0, total)
+
+ var foo: list<dict<any>> = [
+ {a: 'Cat'}
+ ]
+ for dd in foo
+ dd.counter = 12
+ endfor
+ assert_equal([{a: 'Cat', counter: 12}], foo)
+
+ reslist = []
+ for _ in range(3)
+ reslist->add('x')
+ endfor
+ assert_equal(['x', 'x', 'x'], reslist)
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+enddef
+
+def Test_for_loop_list_of_lists()
+ # loop variable is final, not const
+ var lines =<< trim END
+ # Filter out all odd numbers in each sublist
+ var list: list<list<number>> = [[1], [1, 2], [1, 2, 3], [1, 2, 3, 4]]
+ for i in list
+ filter(i, (_, n: number): bool => n % 2 == 0)
+ endfor
+
+ assert_equal([[], [2], [2], [2, 4]], list)
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+enddef
+
+def Test_for_loop_with_closure()
+ # using the loop variable in a closure results in the last used value
+ var lines =<< trim END
+ var flist: list<func>
+ for i in range(5)
+ flist[i] = () => i
+ endfor
+ for i in range(5)
+ assert_equal(4, flist[i]())
+ endfor
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+
+ # also works when the loop variable is used only once halfway the loops
+ lines =<< trim END
+ var Clo: func
+ for i in range(5)
+ if i == 3
+ Clo = () => i
+ endif
+ endfor
+ assert_equal(4, Clo())
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+
+ # using a local variable set to the loop variable in a closure results in the
+ # value at that moment
+ lines =<< trim END
+ var flist: list<func>
+ for i in range(5)
+ var inloop = i
+ flist[i] = () => inloop
+ endfor
+ for i in range(5)
+ assert_equal(i, flist[i]())
+ endfor
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+
+ # also with an extra block level
+ lines =<< trim END
+ var flist: list<func>
+ for i in range(5)
+ {
+ var inloop = i
+ flist[i] = () => inloop
+ }
+ endfor
+ for i in range(5)
+ assert_equal(i, flist[i]())
+ endfor
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+
+ # and declaration in higher block
+ lines =<< trim END
+ var flist: list<func>
+ for i in range(5)
+ var inloop = i
+ {
+ flist[i] = () => inloop
+ }
+ endfor
+ for i in range(5)
+ assert_equal(i, flist[i]())
+ endfor
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+
+ lines =<< trim END
+ var flist: list<func>
+ for i in range(5)
+ var inloop = i
+ flist[i] = () => {
+ return inloop
+ }
+ endfor
+ for i in range(5)
+ assert_equal(i, flist[i]())
+ endfor
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+
+ # Also works for a nested loop
+ lines =<< trim END
+ var flist: list<func>
+ var n = 0
+ for i in range(3)
+ var ii = i
+ for a in ['a', 'b', 'c']
+ var aa = a
+ flist[n] = () => ii .. aa
+ ++n
+ endfor
+ endfor
+
+ n = 0
+ for i in range(3)
+ for a in ['a', 'b', 'c']
+ assert_equal(i .. a, flist[n]())
+ ++n
+ endfor
+ endfor
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+
+ # using two loop variables
+ lines =<< trim END
+ var lv_list: list<func>
+ var copy_list: list<func>
+ for [idx, c] in items('word')
+ var lidx = idx
+ var lc = c
+ lv_list[idx] = () => {
+ return idx .. c
+ }
+ copy_list[idx] = () => {
+ return lidx .. lc
+ }
+ endfor
+ for [i, c] in items('word')
+ assert_equal(3 .. 'd', lv_list[i]())
+ assert_equal(i .. c, copy_list[i]())
+ endfor
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+enddef
+
+def Test_define_global_closure_in_loops()
+ var lines =<< trim END
+ vim9script
+
+ def Func()
+ for i in range(3)
+ var ii = i
+ for a in ['a', 'b', 'c']
+ var aa = a
+ if ii == 0 && aa == 'a'
+ def g:Global_0a(): string
+ return ii .. aa
+ enddef
+ endif
+ if ii == 1 && aa == 'b'
+ def g:Global_1b(): string
+ return ii .. aa
+ enddef
+ endif
+ if ii == 2 && aa == 'c'
+ def g:Global_2c(): string
+ return ii .. aa
+ enddef
+ endif
+ endfor
+ endfor
+ enddef
+ Func()
+ END
+ v9.CheckScriptSuccess(lines)
+ assert_equal("0a", g:Global_0a())
+ assert_equal("1b", g:Global_1b())
+ assert_equal("2c", g:Global_2c())
+
+ delfunc g:Global_0a
+ delfunc g:Global_1b
+ delfunc g:Global_2c
+enddef
+
+def Test_for_loop_fails()
+ v9.CheckDefAndScriptFailure(['for '], ['E1097:', 'E690:'])
+ v9.CheckDefAndScriptFailure(['for x'], ['E1097:', 'E690:'])
+ v9.CheckDefAndScriptFailure(['for x in'], ['E1097:', 'E15:'])
+ v9.CheckDefAndScriptFailure(['for # in range(5)'], 'E690:')
+ v9.CheckDefAndScriptFailure(['for i In range(5)'], 'E690:')
+ v9.CheckDefAndScriptFailure(['var x = 5', 'for x in range(5)', 'endfor'], ['E1017:', 'E1041:'])
+ v9.CheckScriptFailure(['vim9script', 'var x = 5', 'for x in range(5)', '# comment', 'endfor'], 'E1041:', 3)
+ v9.CheckScriptFailure(['def Func(arg: any)', 'for arg in range(5)', 'enddef', 'defcompile'], 'E1006:')
+ delfunc! g:Func
+ v9.CheckDefFailure(['for i in xxx'], 'E1001:')
+ v9.CheckDefFailure(['endfor'], 'E588:')
+ v9.CheckDefFailure(['for i in range(3)', 'echo 3'], 'E170:')
+
+ # wrong type detected at compile time
+ v9.CheckDefFailure(['for i in {a: 1}', 'echo 3', 'endfor'], 'E1177: For loop on dict not supported')
+
+ # wrong type detected at runtime
+ g:adict = {a: 1}
+ v9.CheckDefExecFailure(['for i in g:adict', 'echo 3', 'endfor'], 'E1177: For loop on dict not supported')
+ unlet g:adict
+
+ var lines =<< trim END
+ var d: list<dict<any>> = [{a: 0}]
+ for e in d
+ e = {a: 0, b: ''}
+ endfor
+ END
+ v9.CheckDefAndScriptFailure(lines, ['E1018:', 'E46:'], 3)
+
+ lines =<< trim END
+ for nr: number in ['foo']
+ endfor
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E1012: Type mismatch; expected number but got string', 1)
+
+ lines =<< trim END
+ for n : number in [1, 2]
+ echo n
+ endfor
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E1059:', 1)
+
+ lines =<< trim END
+ var d: dict<number> = {a: 1, b: 2}
+ for [k: job, v: job] in d->items()
+ echo k v
+ endfor
+ END
+ v9.CheckDefExecAndScriptFailure(lines, ['E1163: Variable 1: type mismatch, expected job but got string', 'E1012: Type mismatch; expected job but got string'], 2)
+
+ lines =<< trim END
+ var i = 0
+ for i in [1, 2, 3]
+ echo i
+ endfor
+ END
+ v9.CheckDefExecAndScriptFailure(lines, ['E1017:', 'E1041:'])
+
+ lines =<< trim END
+ var l = [0]
+ for l[0] in [1, 2, 3]
+ echo l[0]
+ endfor
+ END
+ v9.CheckDefExecAndScriptFailure(lines, ['E461:', 'E1017:'])
+
+ lines =<< trim END
+ var d = {x: 0}
+ for d.x in [1, 2, 3]
+ echo d.x
+ endfor
+ END
+ v9.CheckDefExecAndScriptFailure(lines, ['E461:', 'E1017:'])
+
+ lines =<< trim END
+ var l: list<dict<any>> = [{a: 1, b: 'x'}]
+ for item: dict<number> in l
+ echo item
+ endfor
+ END
+ v9.CheckDefExecAndScriptFailure(lines, 'E1012: Type mismatch; expected dict<number> but got dict<any>')
+
+ lines =<< trim END
+ var l: list<dict<any>> = [{n: 1}]
+ for item: dict<number> in l
+ var d = {s: ''}
+ d->extend(item)
+ endfor
+ END
+ v9.CheckDefExecAndScriptFailure(lines, 'E1013: Argument 2: type mismatch, expected dict<string> but got dict<number>')
+
+ lines =<< trim END
+ for a in range(3)
+ while a > 3
+ for b in range(2)
+ while b < 0
+ for c in range(5)
+ while c > 6
+ while c < 0
+ for d in range(1)
+ for e in range(3)
+ while e > 3
+ endwhile
+ endfor
+ endfor
+ endwhile
+ endwhile
+ endfor
+ endwhile
+ endfor
+ endwhile
+ endfor
+ END
+ v9.CheckDefSuccess(lines)
+
+ v9.CheckDefFailure(['for x in range(3)'] + lines + ['endfor'], 'E1306:')
+
+ # Test for too many for loops
+ lines =<< trim END
+ vim9script
+ def Foo()
+ for a in range(1)
+ for b in range(1)
+ for c in range(1)
+ for d in range(1)
+ for e in range(1)
+ for f in range(1)
+ for g in range(1)
+ for h in range(1)
+ for i in range(1)
+ for j in range(1)
+ for k in range(1)
+ endfor
+ endfor
+ endfor
+ endfor
+ endfor
+ endfor
+ endfor
+ endfor
+ endfor
+ endfor
+ endfor
+ enddef
+ defcompile
+ END
+ v9.CheckSourceFailure(lines, 'E1306: Loop nesting too deep', 11)
+enddef
+
+def Test_for_loop_script_var()
+ # cannot use s:var in a :def function
+ v9.CheckDefFailure(['for s:var in range(3)', 'echo 3'], 'E1254:')
+
+ # can use s:var in Vim9 script, with or without s:
+ var lines =<< trim END
+ vim9script
+ var total = 0
+ for s:var in [1, 2, 3]
+ total += s:var
+ endfor
+ assert_equal(6, total)
+
+ total = 0
+ for var in [1, 2, 3]
+ total += var
+ endfor
+ assert_equal(6, total)
+ END
+enddef
+
+def Test_for_loop_unpack()
+ var lines =<< trim END
+ var result = []
+ for [v1, v2] in [[1, 2], [3, 4]]
+ result->add(v1)
+ result->add(v2)
+ endfor
+ assert_equal([1, 2, 3, 4], result)
+
+ result = []
+ for [v1, v2; v3] in [[1, 2], [3, 4, 5, 6]]
+ result->add(v1)
+ result->add(v2)
+ result->add(v3)
+ endfor
+ assert_equal([1, 2, [], 3, 4, [5, 6]], result)
+
+ result = []
+ for [&ts, &sw] in [[1, 2], [3, 4]]
+ result->add(&ts)
+ result->add(&sw)
+ endfor
+ assert_equal([1, 2, 3, 4], result)
+
+ var slist: list<string>
+ for [$LOOPVAR, @r, v:errmsg] in [['a', 'b', 'c'], ['d', 'e', 'f']]
+ slist->add($LOOPVAR)
+ slist->add(@r)
+ slist->add(v:errmsg)
+ endfor
+ assert_equal(['a', 'b', 'c', 'd', 'e', 'f'], slist)
+
+ slist = []
+ for [g:globalvar, b:bufvar, w:winvar, t:tabvar] in [['global', 'buf', 'win', 'tab'], ['1', '2', '3', '4']]
+ slist->add(g:globalvar)
+ slist->add(b:bufvar)
+ slist->add(w:winvar)
+ slist->add(t:tabvar)
+ endfor
+ assert_equal(['global', 'buf', 'win', 'tab', '1', '2', '3', '4'], slist)
+ unlet! g:globalvar b:bufvar w:winvar t:tabvar
+
+ var res = []
+ for [_, n, _] in [[1, 2, 3], [4, 5, 6]]
+ res->add(n)
+ endfor
+ assert_equal([2, 5], res)
+
+ var text: list<string> = ["hello there", "goodbye now"]
+ var splitted = ''
+ for [first; next] in mapnew(text, (i, v) => split(v))
+ splitted ..= string(first) .. string(next) .. '/'
+ endfor
+ assert_equal("'hello'['there']/'goodbye'['now']/", splitted)
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+
+ lines =<< trim END
+ for [v1, v2] in [[1, 2, 3], [3, 4]]
+ echo v1 v2
+ endfor
+ END
+ v9.CheckDefExecFailure(lines, 'E710:', 1)
+
+ lines =<< trim END
+ for [v1, v2] in [[1], [3, 4]]
+ echo v1 v2
+ endfor
+ END
+ v9.CheckDefExecFailure(lines, 'E711:', 1)
+
+ lines =<< trim END
+ for [v1, v1] in [[1, 2], [3, 4]]
+ echo v1
+ endfor
+ END
+ v9.CheckDefExecFailure(lines, 'E1017:', 1)
+
+ lines =<< trim END
+ for [a, b] in g:listlist
+ echo a
+ endfor
+ END
+ g:listlist = [1, 2, 3]
+ v9.CheckDefExecFailure(lines, 'E1140:', 1)
+enddef
+
+def Test_for_loop_with_try_continue()
+ var lines =<< trim END
+ var looped = 0
+ var cleanup = 0
+ for i in range(3)
+ looped += 1
+ try
+ eval [][0]
+ catch
+ continue
+ finally
+ cleanup += 1
+ endtry
+ endfor
+ assert_equal(3, looped)
+ assert_equal(3, cleanup)
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+enddef
+
+def Test_while_skipped_block()
+ # test skipped blocks at outside of function
+ var lines =<< trim END
+ var result = []
+ var n = 0
+ if true
+ n = 1
+ while n < 3
+ result += [n]
+ n += 1
+ endwhile
+ else
+ n = 3
+ while n < 5
+ result += [n]
+ n += 1
+ endwhile
+ endif
+ assert_equal([1, 2], result)
+
+ result = []
+ if false
+ n = 1
+ while n < 3
+ result += [n]
+ n += 1
+ endwhile
+ else
+ n = 3
+ while n < 5
+ result += [n]
+ n += 1
+ endwhile
+ endif
+ assert_equal([3, 4], result)
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+
+ # test skipped blocks at inside of function
+ lines =<< trim END
+ def DefTrue()
+ var result = []
+ var n = 0
+ if true
+ n = 1
+ while n < 3
+ result += [n]
+ n += 1
+ endwhile
+ else
+ n = 3
+ while n < 5
+ result += [n]
+ n += 1
+ endwhile
+ endif
+ assert_equal([1, 2], result)
+ enddef
+ DefTrue()
+
+ def DefFalse()
+ var result = []
+ var n = 0
+ if false
+ n = 1
+ while n < 3
+ result += [n]
+ n += 1
+ endwhile
+ else
+ n = 3
+ while n < 5
+ result += [n]
+ n += 1
+ endwhile
+ endif
+ assert_equal([3, 4], result)
+ enddef
+ DefFalse()
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+enddef
+
+def Test_while_loop()
+ var result = ''
+ var cnt = 0
+ while cnt < 555
+ if cnt == 3
+ break
+ endif
+ cnt += 1
+ if cnt == 2
+ continue
+ endif
+ result ..= cnt .. '_'
+ endwhile
+ assert_equal('1_3_', result)
+
+ var s = ''
+ while s == 'x' # {comment}
+ endwhile
+enddef
+
+def Test_while_loop_in_script()
+ var lines =<< trim END
+ vim9script
+ var result = ''
+ var cnt = 0
+ while cnt < 3
+ var s = 'v' .. cnt
+ result ..= s
+ cnt += 1
+ endwhile
+ assert_equal('v0v1v2', result)
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+def Test_while_loop_fails()
+ v9.CheckDefFailure(['while xxx'], 'E1001:')
+ v9.CheckDefFailure(['endwhile'], 'E588:')
+ v9.CheckDefFailure(['continue'], 'E586:')
+ v9.CheckDefFailure(['if true', 'continue'], 'E586:')
+ v9.CheckDefFailure(['break'], 'E587:')
+ v9.CheckDefFailure(['if true', 'break'], 'E587:')
+ v9.CheckDefFailure(['while 1', 'echo 3'], 'E170:')
+
+ var lines =<< trim END
+ var s = ''
+ while s = ''
+ endwhile
+ END
+ v9.CheckDefFailure(lines, 'E488:')
+enddef
+
+def Test_interrupt_loop()
+ var caught = false
+ var x = 0
+ try
+ while 1
+ x += 1
+ if x == 100
+ feedkeys("\<C-C>", 'Lt')
+ endif
+ endwhile
+ catch
+ caught = true
+ assert_equal(100, x)
+ endtry
+ assert_true(caught, 'should have caught an exception')
+ # consume the CTRL-C
+ getchar(0)
+enddef
+
+def Test_automatic_line_continuation()
+ var mylist = [
+ 'one',
+ 'two',
+ 'three',
+ ] # comment
+ assert_equal(['one', 'two', 'three'], mylist)
+
+ var mydict = {
+ ['one']: 1,
+ ['two']: 2,
+ ['three']:
+ 3,
+ } # comment
+ assert_equal({one: 1, two: 2, three: 3}, mydict)
+ mydict = {
+ one: 1, # comment
+ two: # comment
+ 2, # comment
+ three: 3 # comment
+ }
+ assert_equal({one: 1, two: 2, three: 3}, mydict)
+ mydict = {
+ one: 1,
+ two:
+ 2,
+ three: 3
+ }
+ assert_equal({one: 1, two: 2, three: 3}, mydict)
+
+ assert_equal(
+ ['one', 'two', 'three'],
+ split('one two three')
+ )
+enddef
+
+def Test_vim9_comment()
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ '# something',
+ '#something',
+ '#{{something',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ '#{something',
+ ], 'E1170:')
+
+ split Xv9cfile
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'edit #something',
+ ])
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'edit #{something',
+ ])
+ close
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ ':# something',
+ ], 'E488:')
+ v9.CheckScriptFailure([
+ '# something',
+ ], 'E488:')
+ v9.CheckScriptFailure([
+ ':# something',
+ ], 'E488:')
+
+ { # block start
+ } # block end
+ v9.CheckDefFailure([
+ '{# comment',
+ ], 'E488:')
+ v9.CheckDefFailure([
+ '{',
+ '}# comment',
+ ], 'E488:')
+
+ echo "yes" # comment
+ v9.CheckDefFailure([
+ 'echo "yes"# comment',
+ ], 'E488:')
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'echo "yes" # something',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'echo "yes"# something',
+ ], 'E121:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'echo# something',
+ ], 'E1144:')
+ v9.CheckScriptFailure([
+ 'echo "yes" # something',
+ ], 'E121:')
+
+ exe "echo" # comment
+ v9.CheckDefFailure([
+ 'exe "echo"# comment',
+ ], 'E488:')
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'exe "echo" # something',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'exe "echo"# something',
+ ], 'E121:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'exe# something',
+ ], 'E1144:')
+ v9.CheckScriptFailure([
+ 'exe "echo" # something',
+ ], 'E121:')
+
+ v9.CheckDefFailure([
+ 'try# comment',
+ ' echo "yes"',
+ 'catch',
+ 'endtry',
+ ], 'E1144:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'try# comment',
+ 'echo "yes"',
+ ], 'E1144:')
+ v9.CheckDefFailure([
+ 'try',
+ ' throw#comment',
+ 'catch',
+ 'endtry',
+ ], 'E1144:')
+ v9.CheckDefFailure([
+ 'try',
+ ' throw "yes"#comment',
+ 'catch',
+ 'endtry',
+ ], 'E488:')
+ v9.CheckDefFailure([
+ 'try',
+ ' echo "yes"',
+ 'catch# comment',
+ 'endtry',
+ ], 'E1144:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'try',
+ ' echo "yes"',
+ 'catch# comment',
+ 'endtry',
+ ], 'E1144:')
+ v9.CheckDefFailure([
+ 'try',
+ ' echo "yes"',
+ 'catch /pat/# comment',
+ 'endtry',
+ ], 'E488:')
+ v9.CheckDefFailure([
+ 'try',
+ 'echo "yes"',
+ 'catch',
+ 'endtry# comment',
+ ], 'E1144:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'try',
+ ' echo "yes"',
+ 'catch',
+ 'endtry# comment',
+ ], 'E1144:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'hi # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'hi# comment',
+ ], 'E1144:')
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'hi Search # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'hi Search# comment',
+ ], 'E416:')
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'hi link This Search # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'hi link This That# comment',
+ ], 'E413:')
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'hi clear This # comment',
+ 'hi clear # comment',
+ ])
+ # not tested, because it doesn't give an error but a warning:
+ # hi clear This# comment',
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'hi clear# comment',
+ ], 'E416:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'hi Group term=bold',
+ 'match Group /todo/ # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'hi Group term=bold',
+ 'match Group /todo/# comment',
+ ], 'E488:')
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'match # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'match# comment',
+ ], 'E1144:')
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'match none # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'match none# comment',
+ ], 'E475:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'menutrans clear # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'menutrans clear# comment text',
+ ], 'E474:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'syntax clear # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'syntax clear# comment text',
+ ], 'E28:')
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'syntax keyword Word some',
+ 'syntax clear Word # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'syntax keyword Word some',
+ 'syntax clear Word# comment text',
+ ], 'E28:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'syntax list # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'syntax list# comment text',
+ ], 'E28:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'syntax match Word /pat/ oneline # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'syntax match Word /pat/ oneline# comment',
+ ], 'E475:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'syntax keyword Word word # comm[ent',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'syntax keyword Word word# comm[ent',
+ ], 'E789:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'syntax match Word /pat/ # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'syntax match Word /pat/# comment',
+ ], 'E402:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'syntax match Word /pat/ contains=Something # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'syntax match Word /pat/ contains=Something# comment',
+ ], 'E475:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'syntax match Word /pat/ contains= # comment',
+ ], 'E406:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'syntax match Word /pat/ contains=# comment',
+ ], 'E475:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'syntax region Word start=/pat/ end=/pat/ # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'syntax region Word start=/pat/ end=/pat/# comment',
+ ], 'E402:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'syntax sync # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'syntax sync# comment',
+ ], 'E404:')
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'syntax sync ccomment # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'syntax sync ccomment# comment',
+ ], 'E404:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'syntax cluster Some contains=Word # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'syntax cluster Some contains=Word# comment',
+ ], 'E475:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'command Echo echo # comment',
+ 'command Echo # comment',
+ 'delcommand Echo',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'command Echo echo# comment',
+ 'Echo',
+ ], 'E1144:')
+ delcommand Echo
+
+ var curdir = getcwd()
+ v9.CheckScriptSuccess([
+ 'command Echo cd " comment',
+ 'Echo',
+ 'delcommand Echo',
+ ])
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'command Echo cd # comment',
+ 'Echo',
+ 'delcommand Echo',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'command Echo cd " comment',
+ 'Echo',
+ ], 'E344:')
+ delcommand Echo
+ chdir(curdir)
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'command Echo# comment',
+ ], 'E182:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'command Echo echo',
+ 'command Echo# comment',
+ ], 'E182:')
+ delcommand Echo
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'function # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'function " comment',
+ ], 'E129:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'function# comment',
+ ], 'E1144:')
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'import "./vim9.vim" as v9',
+ 'function v9.CheckScriptSuccess # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'import "./vim9.vim" as v9',
+ 'function v9.CheckScriptSuccess# comment',
+ ], 'E1048: Item not found in script: CheckScriptSuccess#')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'func g:DeleteMeA()',
+ 'endfunc',
+ 'delfunction g:DeleteMeA # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'func g:DeleteMeB()',
+ 'endfunc',
+ 'delfunction g:DeleteMeB# comment',
+ ], 'E488:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'call execute("ls") # comment',
+ ])
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'call execute("ls")# comment',
+ ], 'E488:')
+
+ v9.CheckScriptFailure([
+ 'def Test() " comment',
+ 'enddef',
+ ], 'E488:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'def Test() " comment',
+ 'enddef',
+ ], 'E488:')
+
+ v9.CheckScriptSuccess([
+ 'func Test() " comment',
+ 'endfunc',
+ 'delfunc Test',
+ ])
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'func Test() " comment',
+ 'endfunc',
+ ])
+
+ v9.CheckScriptSuccess([
+ 'def Test() # comment',
+ 'enddef',
+ ])
+ v9.CheckScriptFailure([
+ 'func Test() # comment',
+ 'endfunc',
+ ], 'E488:')
+
+ var lines =<< trim END
+ vim9script
+ syn region Text
+ \ start='foo'
+ #\ comment
+ \ end='bar'
+ syn region Text start='foo'
+ #\ comment
+ \ end='bar'
+ END
+ v9.CheckScriptSuccess(lines)
+
+ lines =<< trim END
+ vim9script
+ syn region Text
+ \ start='foo'
+ "\ comment
+ \ end='bar'
+ END
+ v9.CheckScriptFailure(lines, 'E399:')
+enddef
+
+def Test_vim9_comment_gui()
+ CheckCanRunGui
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'gui#comment'
+ ], 'E1144:')
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'gui -f#comment'
+ ], 'E194:')
+enddef
+
+def Test_vim9_comment_not_compiled()
+ au TabEnter *.vim g:entered = 1
+ au TabEnter *.x g:entered = 2
+
+ edit test.vim
+ doautocmd TabEnter #comment
+ assert_equal(1, g:entered)
+
+ doautocmd TabEnter f.x
+ assert_equal(2, g:entered)
+
+ g:entered = 0
+ doautocmd TabEnter f.x #comment
+ assert_equal(2, g:entered)
+
+ assert_fails('doautocmd Syntax#comment', 'E216:')
+
+ au! TabEnter
+ unlet g:entered
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'g:var = 123',
+ 'b:var = 456',
+ 'w:var = 777',
+ 't:var = 888',
+ 'unlet g:var w:var # something',
+ ])
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'let var = 123',
+ ], 'E1126: Cannot use :let in Vim9 script')
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'var g:var = 123',
+ ], 'E1016: Cannot declare a global variable:')
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'var b:var = 123',
+ ], 'E1016: Cannot declare a buffer variable:')
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'var w:var = 123',
+ ], 'E1016: Cannot declare a window variable:')
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'var t:var = 123',
+ ], 'E1016: Cannot declare a tab variable:')
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'var v:version = 123',
+ ], 'E1016: Cannot declare a v: variable:')
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'var $VARIABLE = "text"',
+ ], 'E1016: Cannot declare an environment variable:')
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'g:var = 123',
+ 'unlet g:var# comment1',
+ ], 'E108:')
+
+ v9.CheckScriptFailure([
+ 'let g:var = 123',
+ 'unlet g:var # something',
+ ], 'E488:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'if 1 # comment2',
+ ' echo "yes"',
+ 'elseif 2 #comment',
+ ' echo "no"',
+ 'endif',
+ ])
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'if 1# comment3',
+ ' echo "yes"',
+ 'endif',
+ ], 'E488:')
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'if 0 # comment4',
+ ' echo "yes"',
+ 'elseif 2#comment',
+ ' echo "no"',
+ 'endif',
+ ], 'E488:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'var v = 1 # comment5',
+ ])
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'var v = 1# comment6',
+ ], 'E488:')
+
+ v9.CheckScriptSuccess([
+ 'vim9script',
+ 'new',
+ 'setline(1, ["# define pat", "last"])',
+ ':$',
+ 'dsearch /pat/ #comment',
+ 'bwipe!',
+ ])
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'new',
+ 'setline(1, ["# define pat", "last"])',
+ ':$',
+ 'dsearch /pat/#comment',
+ 'bwipe!',
+ ], 'E488:')
+
+ v9.CheckScriptFailure([
+ 'vim9script',
+ 'func! SomeFunc()',
+ ], 'E477:')
+enddef
+
+def Test_finish()
+ var lines =<< trim END
+ vim9script
+ g:res = 'one'
+ if v:false | finish | endif
+ g:res = 'two'
+ finish
+ g:res = 'three'
+ END
+ writefile(lines, 'Xfinished', 'D')
+ source Xfinished
+ assert_equal('two', g:res)
+
+ unlet g:res
+enddef
+
+def Test_forward_declaration()
+ var lines =<< trim END
+ vim9script
+ def GetValue(): string
+ return theVal
+ enddef
+ var theVal = 'something'
+ g:initVal = GetValue()
+ theVal = 'else'
+ g:laterVal = GetValue()
+ END
+ writefile(lines, 'Xforward', 'D')
+ source Xforward
+ assert_equal('something', g:initVal)
+ assert_equal('else', g:laterVal)
+
+ unlet g:initVal
+ unlet g:laterVal
+enddef
+
+def Test_declare_script_var_in_func()
+ var lines =<< trim END
+ vim9script
+ func Declare()
+ let s:local = 123
+ endfunc
+ Declare()
+ END
+ v9.CheckScriptFailure(lines, 'E1269:')
+enddef
+
+def Test_lock_script_var()
+ var lines =<< trim END
+ vim9script
+ var local = 123
+ assert_equal(123, local)
+
+ var error: string
+ try
+ local = 'asdf'
+ catch
+ error = v:exception
+ endtry
+ assert_match('E1012: Type mismatch; expected number but got string', error)
+
+ lockvar local
+ try
+ local = 999
+ catch
+ error = v:exception
+ endtry
+ assert_match('E741: Value is locked: local', error)
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+
+func Test_vim9script_not_global()
+ " check that items defined in Vim9 script are script-local, not global
+ let vim9lines =<< trim END
+ vim9script
+ var name = 'local'
+ func TheFunc()
+ echo 'local'
+ endfunc
+ def DefFunc()
+ echo 'local'
+ enddef
+ END
+ call writefile(vim9lines, 'Xvim9script.vim', 'D')
+ source Xvim9script.vim
+ try
+ echo g:var
+ assert_report('did not fail')
+ catch /E121:/
+ " caught
+ endtry
+ try
+ call TheFunc()
+ assert_report('did not fail')
+ catch /E117:/
+ " caught
+ endtry
+ try
+ call DefFunc()
+ assert_report('did not fail')
+ catch /E117:/
+ " caught
+ endtry
+endfunc
+
+def Test_vim9_copen()
+ # this was giving an error for setting w:quickfix_title
+ copen
+ quit
+enddef
+
+def Test_script_var_in_autocmd()
+ # using a script variable from an autocommand, defined in a :def function in a
+ # legacy Vim script, cannot check the variable type.
+ var lines =<< trim END
+ let s:counter = 1
+ def s:Func()
+ au! CursorHold
+ au CursorHold * s:counter += 1
+ enddef
+ call s:Func()
+ doau CursorHold
+ call assert_equal(2, s:counter)
+ au! CursorHold
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+def Test_error_in_autoload_script()
+ var save_rtp = &rtp
+ var dir = getcwd() .. '/Xruntime'
+ &rtp = dir
+ mkdir(dir .. '/autoload', 'pR')
+
+ var lines =<< trim END
+ vim9script noclear
+ export def Autoloaded()
+ enddef
+ def Broken()
+ var x: any = ''
+ eval x != 0
+ enddef
+ Broken()
+ END
+ writefile(lines, dir .. '/autoload/script.vim')
+
+ lines =<< trim END
+ vim9script
+ def CallAutoloaded()
+ script#Autoloaded()
+ enddef
+
+ function Legacy()
+ try
+ call s:CallAutoloaded()
+ catch
+ call assert_match('E1030: Using a String as a Number', v:exception)
+ endtry
+ endfunction
+
+ Legacy()
+ END
+ v9.CheckScriptSuccess(lines)
+
+ &rtp = save_rtp
+enddef
+
+def Test_error_in_autoload_script_foldexpr()
+ var save_rtp = &rtp
+ mkdir('Xvim/autoload', 'pR')
+ &runtimepath = 'Xvim'
+
+ var lines =<< trim END
+ vim9script
+ eval [][0]
+ echomsg 'no error'
+ END
+ lines->writefile('Xvim/autoload/script.vim')
+
+ lines =<< trim END
+ vim9script
+ import autoload 'script.vim'
+ &foldmethod = 'expr'
+ &foldexpr = 'script.Func()'
+ redraw
+ END
+ v9.CheckScriptFailure(lines, 'E684: List index out of range: 0')
+enddef
+
+def Test_invalid_sid()
+ assert_fails('func <SNR>1234_func', 'E123:')
+
+ if g:RunVim([], ['wq! Xdidit'], '+"func <SNR>1_func"')
+ assert_equal([], readfile('Xdidit'))
+ endif
+ delete('Xdidit')
+enddef
+
+def Test_restoring_cpo()
+ writefile(['vim9script', 'set nocp'], 'Xsourced', 'D')
+ writefile(['call writefile(["done"], "Xdone")', 'quit!'], 'Xclose', 'D')
+ if g:RunVim([], [], '-u NONE +"set cpo+=a" -S Xsourced -S Xclose')
+ assert_equal(['done'], readfile('Xdone'))
+ endif
+ delete('Xdone')
+
+ writefile(['vim9script', 'g:cpoval = &cpo'], 'XanotherScript', 'D')
+ set cpo=aABceFsMny>
+ edit XanotherScript
+ so %
+ assert_equal('aABceFsMny>', &cpo)
+ assert_equal('aABceFs', g:cpoval)
+ :1del
+ setline(1, 'let g:cpoval = &cpo')
+ w
+ so %
+ assert_equal('aABceFsMny>', &cpo)
+ assert_equal('aABceFsMny>', g:cpoval)
+
+ set cpo&vim
+ unlet g:cpoval
+
+ if has('unix')
+ # 'cpo' is not restored in main vimrc
+ var save_HOME = $HOME
+ $HOME = getcwd() .. '/Xhome'
+ mkdir('Xhome', 'R')
+ var lines =<< trim END
+ vim9script
+ writefile(['before: ' .. &cpo], 'Xrporesult')
+ set cpo+=M
+ writefile(['after: ' .. &cpo], 'Xrporesult', 'a')
+ END
+ writefile(lines, 'Xhome/.vimrc')
+
+ lines =<< trim END
+ call writefile(['later: ' .. &cpo], 'Xrporesult', 'a')
+ END
+ writefile(lines, 'Xlegacy', 'D')
+
+ lines =<< trim END
+ vim9script
+ call writefile(['vim9: ' .. &cpo], 'Xrporesult', 'a')
+ qa
+ END
+ writefile(lines, 'Xvim9', 'D')
+
+ var cmd = g:GetVimCommand() .. " -S Xlegacy -S Xvim9"
+ cmd = substitute(cmd, '-u NONE', '', '')
+ exe "silent !" .. cmd
+
+ assert_equal([
+ 'before: aABceFs',
+ 'after: aABceFsM',
+ 'later: aABceFsM',
+ 'vim9: aABceFs'], readfile('Xrporesult'))
+
+ $HOME = save_HOME
+ delete('Xrporesult')
+ endif
+enddef
+
+" Use :function so we can use Check commands
+func Test_no_redraw_when_restoring_cpo()
+ CheckScreendump
+ CheckFeature timers
+ call Run_test_no_redraw_when_restoring_cpo()
+endfunc
+
+def Run_test_no_redraw_when_restoring_cpo()
+ var lines =<< trim END
+ vim9script
+ export def Func()
+ enddef
+ END
+ mkdir('Xnordir/autoload', 'pR')
+ writefile(lines, 'Xnordir/autoload/script.vim')
+
+ lines =<< trim END
+ vim9script
+ set cpo+=M
+ exe 'set rtp^=' .. getcwd() .. '/Xnordir'
+ au CmdlineEnter : ++once timer_start(0, (_) => script#Func())
+ setline(1, 'some text')
+ END
+ writefile(lines, 'XTest_redraw_cpo', 'D')
+ var buf = g:RunVimInTerminal('-S XTest_redraw_cpo', {'rows': 6})
+ term_sendkeys(buf, "V:")
+ g:VerifyScreenDump(buf, 'Test_vim9_no_redraw', {})
+
+ # clean up
+ term_sendkeys(buf, "\<Esc>u")
+ g:StopVimInTerminal(buf)
+enddef
+
+func Test_reject_declaration()
+ CheckScreendump
+ call Run_test_reject_declaration()
+endfunc
+
+def Run_test_reject_declaration()
+ var buf = g:RunVimInTerminal('', {'rows': 6})
+ term_sendkeys(buf, ":vim9cmd var x: number\<CR>")
+ g:VerifyScreenDump(buf, 'Test_vim9_reject_declaration_1', {})
+ term_sendkeys(buf, ":\<CR>")
+ term_sendkeys(buf, ":vim9cmd g:foo = 123 | echo g:foo\<CR>")
+ g:VerifyScreenDump(buf, 'Test_vim9_reject_declaration_2', {})
+
+ # clean up
+ g:StopVimInTerminal(buf)
+enddef
+
+def Test_minimal_command_name_length()
+ var names = [
+ 'cons',
+ 'brea',
+ 'cat',
+ 'catc',
+ 'con',
+ 'cont',
+ 'conti',
+ 'contin',
+ 'continu',
+ 'el',
+ 'els',
+ 'elsei',
+ 'endfo',
+ 'en',
+ 'end',
+ 'endi',
+ 'endw',
+ 'endt',
+ 'endtr',
+ 'exp',
+ 'expo',
+ 'expor',
+ 'fina',
+ 'finall',
+ 'fini',
+ 'finis',
+ 'imp',
+ 'impo',
+ 'impor',
+ 'retu',
+ 'retur',
+ 'th',
+ 'thr',
+ 'thro',
+ 'wh',
+ 'whi',
+ 'whil',
+ ]
+ for name in names
+ v9.CheckDefAndScriptFailure([name .. ' '], 'E1065:')
+ endfor
+
+ var lines =<< trim END
+ vim9script
+ def SomeFunc()
+ endd
+ END
+ v9.CheckScriptFailure(lines, 'E1065:')
+ lines =<< trim END
+ vim9script
+ def SomeFunc()
+ endde
+ END
+ v9.CheckScriptFailure(lines, 'E1065:')
+enddef
+
+def Test_unset_any_variable()
+ var lines =<< trim END
+ var name: any
+ assert_equal(0, name)
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+enddef
+
+func Test_define_func_at_command_line()
+ CheckRunVimInTerminal
+
+ " call indirectly to avoid compilation error for missing functions
+ call Run_Test_define_func_at_command_line()
+endfunc
+
+def Run_Test_define_func_at_command_line()
+ # run in a separate Vim instance to avoid the script context
+ var lines =<< trim END
+ func CheckAndQuit()
+ call assert_fails('call Afunc()', 'E117: Unknown function: Bfunc')
+ call writefile(['errors: ' .. string(v:errors)], 'Xdidcmd')
+ endfunc
+ END
+ writefile([''], 'Xdidcmd', 'D')
+ writefile(lines, 'XcallFunc', 'D')
+ var buf = g:RunVimInTerminal('-S XcallFunc', {rows: 6})
+ # define Afunc() on the command line
+ term_sendkeys(buf, ":def Afunc()\<CR>Bfunc()\<CR>enddef\<CR>")
+ term_sendkeys(buf, ":call CheckAndQuit()\<CR>")
+ g:WaitForAssert(() => assert_equal(['errors: []'], readfile('Xdidcmd')))
+
+ call g:StopVimInTerminal(buf)
+enddef
+
+def Test_script_var_scope()
+ var lines =<< trim END
+ vim9script
+ if true
+ if true
+ var one = 'one'
+ echo one
+ endif
+ echo one
+ endif
+ END
+ v9.CheckScriptFailure(lines, 'E121:', 7)
+
+ lines =<< trim END
+ vim9script
+ if true
+ if false
+ var one = 'one'
+ echo one
+ else
+ var one = 'one'
+ echo one
+ endif
+ echo one
+ endif
+ END
+ v9.CheckScriptFailure(lines, 'E121:', 10)
+
+ lines =<< trim END
+ vim9script
+ while true
+ var one = 'one'
+ echo one
+ break
+ endwhile
+ echo one
+ END
+ v9.CheckScriptFailure(lines, 'E121:', 7)
+
+ lines =<< trim END
+ vim9script
+ for i in range(1)
+ var one = 'one'
+ echo one
+ endfor
+ echo one
+ END
+ v9.CheckScriptFailure(lines, 'E121:', 6)
+
+ lines =<< trim END
+ vim9script
+ {
+ var one = 'one'
+ assert_equal('one', one)
+ }
+ assert_false(exists('one'))
+ assert_false(exists('s:one'))
+ END
+ v9.CheckScriptSuccess(lines)
+
+ lines =<< trim END
+ vim9script
+ {
+ var one = 'one'
+ echo one
+ }
+ echo one
+ END
+ v9.CheckScriptFailure(lines, 'E121:', 6)
+enddef
+
+def Test_catch_exception_in_callback()
+ var lines =<< trim END
+ vim9script
+ def Callback(...l: list<any>)
+ try
+ var x: string
+ var y: string
+ # this error should be caught with CHECKLEN
+ var sl = ['']
+ [x, y] = sl
+ catch
+ g:caught = 'yes'
+ endtry
+ enddef
+ popup_menu('popup', {callback: Callback})
+ feedkeys("\r", 'xt')
+ END
+ v9.CheckScriptSuccess(lines)
+
+ unlet g:caught
+enddef
+
+def Test_no_unknown_error_after_error()
+ if !has('unix') || !has('job')
+ throw 'Skipped: not unix of missing +job feature'
+ endif
+ # FIXME: this check should not be needed
+ if has('win32')
+ throw 'Skipped: does not work on MS-Windows'
+ endif
+ var lines =<< trim END
+ vim9script
+ var source: list<number>
+ def Out_cb(...l: list<any>)
+ eval [][0]
+ enddef
+ def Exit_cb(...l: list<any>)
+ sleep 1m
+ g:did_call_exit_cb = true
+ source += l
+ enddef
+ var myjob = job_start('echo burp', {out_cb: Out_cb, exit_cb: Exit_cb, mode: 'raw'})
+ while job_status(myjob) == 'run'
+ sleep 10m
+ endwhile
+ # wait for Exit_cb() to be called
+ for x in range(100)
+ if exists('g:did_call_exit_cb')
+ unlet g:did_call_exit_cb
+ break
+ endif
+ sleep 10m
+ endfor
+ END
+ writefile(lines, 'Xdef', 'D')
+ # Either the exit or out callback is called first, accept them in any order
+ assert_fails('so Xdef', ['E684:\|E1012:', 'E1012:\|E684:'])
+enddef
+
+def InvokeNormal()
+ exe "norm! :m+1\r"
+enddef
+
+def Test_invoke_normal_in_visual_mode()
+ xnoremap <F3> <Cmd>call <SID>InvokeNormal()<CR>
+ new
+ setline(1, ['aaa', 'bbb'])
+ feedkeys("V\<F3>", 'xt')
+ assert_equal(['bbb', 'aaa'], getline(1, 2))
+ xunmap <F3>
+enddef
+
+def Test_white_space_after_command()
+ var lines =<< trim END
+ exit_cb: Func})
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E1144:', 1)
+
+ lines =<< trim END
+ e#
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E1144:', 1)
+enddef
+
+def Test_script_var_gone_when_sourced_twice()
+ var lines =<< trim END
+ vim9script
+ if exists('g:guard')
+ finish
+ endif
+ g:guard = 1
+ var name = 'thename'
+ def g:GetName(): string
+ return name
+ enddef
+ def g:SetName(arg: string)
+ name = arg
+ enddef
+ END
+ writefile(lines, 'XscriptTwice.vim', 'D')
+ so XscriptTwice.vim
+ assert_equal('thename', g:GetName())
+ g:SetName('newname')
+ assert_equal('newname', g:GetName())
+ so XscriptTwice.vim
+ assert_fails('call g:GetName()', 'E1149:')
+ assert_fails('call g:SetName("x")', 'E1149:')
+
+ delfunc g:GetName
+ delfunc g:SetName
+ unlet g:guard
+enddef
+
+def Test_unsupported_commands()
+ var lines =<< trim END
+ ka
+ END
+ v9.CheckDefAndScriptFailure(lines, ['E476:', 'E492:'])
+
+ lines =<< trim END
+ :1ka
+ END
+ v9.CheckDefAndScriptFailure(lines, ['E476:', 'E492:'])
+
+ lines =<< trim END
+ :k a
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E1100:')
+
+ lines =<< trim END
+ :1k a
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E481:')
+
+ lines =<< trim END
+ t
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E1100:')
+
+ lines =<< trim END
+ x
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E1100:')
+
+ lines =<< trim END
+ xit
+ END
+ v9.CheckDefAndScriptFailure(lines, 'E1100:')
+
+ lines =<< trim END
+ Print
+ END
+ v9.CheckDefAndScriptFailure(lines, ['E476: Invalid command: Print', 'E492: Not an editor command: Print'])
+
+ lines =<< trim END
+ mode 4
+ END
+ v9.CheckDefAndScriptFailure(lines, ['E476: Invalid command: mode 4', 'E492: Not an editor command: mode 4'])
+enddef
+
+def Test_mapping_line_number()
+ var lines =<< trim END
+ vim9script
+ def g:FuncA()
+ # Some comment
+ FuncB(0)
+ enddef
+ # Some comment
+ def FuncB(
+ # Some comment
+ n: number
+ )
+ exe 'nno '
+ # Some comment
+ .. '<F3> a'
+ .. 'b'
+ .. 'c'
+ enddef
+ END
+ v9.CheckScriptSuccess(lines)
+ var res = execute('verbose nmap <F3>')
+ assert_match('No mapping found', res)
+
+ g:FuncA()
+ res = execute('verbose nmap <F3>')
+ assert_match(' <F3> .* abc.*Last set from .*XScriptSuccess\d\+ line 11', res)
+
+ nunmap <F3>
+ delfunc g:FuncA
+enddef
+
+def Test_option_set()
+ # legacy script allows for white space
+ var lines =<< trim END
+ set foldlevel =11
+ call assert_equal(11, &foldlevel)
+ END
+ v9.CheckScriptSuccess(lines)
+
+ set foldlevel
+ set foldlevel=12
+ assert_equal(12, &foldlevel)
+ set foldlevel+=2
+ assert_equal(14, &foldlevel)
+ set foldlevel-=3
+ assert_equal(11, &foldlevel)
+
+ lines =<< trim END
+ set foldlevel =1
+ END
+ v9.CheckDefExecAndScriptFailure(lines, 'E1205: No white space allowed between option and: =1')
+
+ lines =<< trim END
+ set foldlevel +=1
+ END
+ v9.CheckDefExecAndScriptFailure(lines, 'E1205: No white space allowed between option and: +=1')
+
+ lines =<< trim END
+ set foldlevel ^=1
+ END
+ v9.CheckDefExecAndScriptFailure(lines, 'E1205: No white space allowed between option and: ^=1')
+
+ lines =<< trim END
+ set foldlevel -=1
+ END
+ v9.CheckDefExecAndScriptFailure(lines, 'E1205: No white space allowed between option and: -=1')
+
+ set foldlevel&
+enddef
+
+def Test_option_set_line_number()
+ var lines =<< trim END
+ vim9script
+ # line2
+ # line3
+ def F()
+ # line5
+ &foldlevel = -128
+ enddef
+ F()
+ END
+ v9.CheckScriptSuccess(lines)
+
+ var res = execute('verbose set foldlevel')
+ assert_match(' foldlevel.*Last set from .*XScriptSuccess\d\+ line 6', res)
+enddef
+
+def Test_option_modifier()
+ # legacy script allows for white space
+ var lines =<< trim END
+ set hlsearch & hlsearch !
+ call assert_equal(1, &hlsearch)
+ END
+ v9.CheckScriptSuccess(lines)
+
+ set hlsearch
+ set hlsearch!
+ assert_equal(false, &hlsearch)
+
+ set hlsearch
+ set hlsearch&
+ assert_equal(false, &hlsearch)
+
+ lines =<< trim END
+ set hlsearch &
+ END
+ v9.CheckDefExecAndScriptFailure(lines, 'E1205: No white space allowed between option and: &')
+
+ lines =<< trim END
+ set hlsearch !
+ END
+ v9.CheckDefExecAndScriptFailure(lines, 'E1205: No white space allowed between option and: !')
+
+ set hlsearch&
+enddef
+
+" This must be called last, it may cause following :def functions to fail
+def Test_xxx_echoerr_line_number()
+ var lines =<< trim END
+ echoerr 'some'
+ .. ' error'
+ .. ' continued'
+ END
+ v9.CheckDefExecAndScriptFailure(lines, 'some error continued', 1)
+enddef
+
+func Test_debug_with_lambda()
+ CheckRunVimInTerminal
+
+ " call indirectly to avoid compilation error for missing functions
+ call Run_Test_debug_with_lambda()
+endfunc
+
+def Run_Test_debug_with_lambda()
+ var lines =<< trim END
+ vim9script
+ def Func()
+ var n = 0
+ echo [0]->filter((_, v) => v == n)
+ enddef
+ breakadd func Func
+ Func()
+ END
+ writefile(lines, 'XdebugFunc', 'D')
+ var buf = g:RunVimInTerminal('-S XdebugFunc', {rows: 6, wait_for_ruler: 0})
+ g:WaitForAssert(() => assert_match('^>', term_getline(buf, 6)))
+
+ term_sendkeys(buf, "cont\<CR>")
+ g:WaitForAssert(() => assert_match('\[0\]', term_getline(buf, 5)))
+
+ g:StopVimInTerminal(buf)
+enddef
+
+func Test_debug_running_out_of_lines()
+ CheckRunVimInTerminal
+
+ " call indirectly to avoid compilation error for missing functions
+ call Run_Test_debug_running_out_of_lines()
+endfunc
+
+def Run_Test_debug_running_out_of_lines()
+ var lines =<< trim END
+ vim9script
+ def Crash()
+ #
+ #
+ #
+ #
+ #
+ #
+ #
+ if true
+ #
+ endif
+ enddef
+ breakadd func Crash
+ Crash()
+ END
+ writefile(lines, 'XdebugFunc', 'D')
+ var buf = g:RunVimInTerminal('-S XdebugFunc', {rows: 6, wait_for_ruler: 0})
+ g:WaitForAssert(() => assert_match('^>', term_getline(buf, 6)))
+
+ term_sendkeys(buf, "next\<CR>")
+ g:TermWait(buf)
+ g:WaitForAssert(() => assert_match('^>', term_getline(buf, 6)))
+
+ term_sendkeys(buf, "cont\<CR>")
+ g:TermWait(buf)
+
+ g:StopVimInTerminal(buf)
+enddef
+
+def Test_ambiguous_command_error()
+ var lines =<< trim END
+ vim9script
+ command CmdA echomsg 'CmdA'
+ command CmdB echomsg 'CmdB'
+ Cmd
+ END
+ v9.CheckScriptFailure(lines, 'E464: Ambiguous use of user-defined command: Cmd', 4)
+
+ lines =<< trim END
+ vim9script
+ def Func()
+ Cmd
+ enddef
+ Func()
+ END
+ v9.CheckScriptFailure(lines, 'E464: Ambiguous use of user-defined command: Cmd', 1)
+
+ lines =<< trim END
+ vim9script
+ nnoremap <F3> <ScriptCmd>Cmd<CR>
+ feedkeys("\<F3>", 'xt')
+ END
+ v9.CheckScriptFailure(lines, 'E464: Ambiguous use of user-defined command: Cmd', 3)
+
+ delcommand CmdA
+ delcommand CmdB
+ nunmap <F3>
+enddef
+
+" Execute this near the end, profiling doesn't stop until Vim exits.
+" This only tests that it works, not the profiling output.
+def Test_profile_with_lambda()
+ CheckFeature profile
+
+ var lines =<< trim END
+ vim9script
+
+ def ProfiledWithLambda()
+ var n = 3
+ echo [[1, 2], [3, 4]]->filter((_, l) => l[0] == n)
+ enddef
+
+ def ProfiledNested()
+ var x = 0
+ def Nested(): any
+ return x
+ enddef
+ Nested()
+ enddef
+
+ def g:ProfiledNestedProfiled()
+ var x = 0
+ def Nested(): any
+ return x
+ enddef
+ Nested()
+ enddef
+
+ def Profile()
+ ProfiledWithLambda()
+ ProfiledNested()
+
+ # Also profile the nested function. Use a different function, although
+ # the contents is the same, to make sure it was not already compiled.
+ profile func *
+ g:ProfiledNestedProfiled()
+
+ profdel func *
+ profile pause
+ enddef
+
+ var result = 'done'
+ try
+ # mark functions for profiling now to avoid E1271
+ profile start Xprofile.log
+ profile func ProfiledWithLambda
+ profile func ProfiledNested
+
+ Profile()
+ catch
+ result = 'failed: ' .. v:exception
+ finally
+ writefile([result], 'Xdidprofile')
+ endtry
+ END
+ writefile(lines, 'Xprofile.vim', 'D')
+ call system(g:GetVimCommand()
+ .. ' --clean'
+ .. ' -c "so Xprofile.vim"'
+ .. ' -c "qall!"')
+ call assert_equal(0, v:shell_error)
+
+ assert_equal(['done'], readfile('Xdidprofile'))
+ assert_true(filereadable('Xprofile.log'))
+ delete('Xdidprofile')
+ delete('Xprofile.log')
+enddef
+
+func Test_misplaced_type()
+ CheckRunVimInTerminal
+ call Run_Test_misplaced_type()
+endfunc
+
+def Run_Test_misplaced_type()
+ writefile(['let g:somevar = "asdf"'], 'XTest_misplaced_type', 'D')
+ var buf = g:RunVimInTerminal('-S XTest_misplaced_type', {'rows': 6})
+ term_sendkeys(buf, ":vim9cmd echo islocked('somevar: string')\<CR>")
+ g:VerifyScreenDump(buf, 'Test_misplaced_type', {})
+
+ g:StopVimInTerminal(buf)
+enddef
+
+" Ensure echo doesn't crash when stringifying empty variables.
+def Test_echo_uninit_variables()
+ var res: string
+
+ var var_bool: bool
+ var var_num: number
+ var var_float: float
+ var Var_func: func
+ var var_string: string
+ var var_blob: blob
+ var var_list: list<any>
+ var var_dict: dict<any>
+
+ redir => res
+ echo var_bool
+ echo var_num
+ echo var_float
+ echo Var_func
+ echo var_string
+ echo var_blob
+ echo var_list
+ echo var_dict
+ redir END
+
+ assert_equal(['false', '0', '0.0', 'function()', '', '0z', '[]', '{}'], res->split('\n'))
+
+ if has('job')
+ var var_job: job
+ var var_channel: channel
+
+ redir => res
+ echo var_job
+ echo var_channel
+ redir END
+
+ assert_equal(['no process', 'channel fail'], res->split('\n'))
+ endif
+enddef
+
+def Test_free_type_before_use()
+ # this rather complicated script was freeing a type before using it
+ var lines =<< trim END
+ vim9script
+
+ def Scan(rel: list<dict<any>>): func(func(dict<any>))
+ return (Emit: func(dict<any>)) => {
+ for t in rel
+ Emit(t)
+ endfor
+ }
+ enddef
+
+ def Build(Cont: func(func(dict<any>))): list<dict<any>>
+ var rel: list<dict<any>> = []
+ Cont((t) => {
+ add(rel, t)
+ })
+ return rel
+ enddef
+
+ var R = [{A: 0}]
+ var result = Scan(R)->Build()
+ result = Scan(R)->Build()
+
+ assert_equal(R, result)
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+" The following complicated script used to cause an internal error (E340)
+" because the funcref instruction memory was referenced after the instruction
+" memory was reallocated (Github issue #13178)
+def Test_refer_funcref_instr_after_realloc()
+ var lines =<< trim END
+ vim9script
+ def A(d: bool)
+ var e = abs(0)
+ var f = &emoji
+ &emoji = true
+ if ['', '', '']->index('xxx') == 0
+ eval 0 + 0
+ endif
+ if &filetype == 'xxx'
+ var g = abs(0)
+ while g > 0
+ if getline(g) == ''
+ break
+ endif
+ --g
+ endwhile
+ if g == 0
+ return
+ endif
+ if d
+ feedkeys($'{g}G')
+ g = abs(0)
+ endif
+ var h = abs(0)
+ var i = abs(0)
+ var j = abs(0)
+ while j < 0
+ if abs(0) < h && getline(j) != ''
+ break
+ endif
+ ++j
+ endwhile
+ feedkeys($'{g}G{j}G')
+ return
+ endif
+ def B()
+ enddef
+ def C()
+ enddef
+ enddef
+ A(false)
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
+" Test for calling a deferred function after an exception
+def Test_defer_after_exception()
+ var lines =<< trim END
+ vim9script
+
+ var callTrace: list<number> = []
+ def Bar()
+ callTrace += [1]
+ throw 'InnerException'
+ enddef
+
+ def Defer()
+ callTrace += [2]
+ callTrace += [3]
+ try
+ Bar()
+ catch /InnerException/
+ callTrace += [4]
+ endtry
+ callTrace += [5]
+ callTrace += [6]
+ enddef
+
+ def Foo()
+ defer Defer()
+ throw "TestException"
+ enddef
+
+ try
+ Foo()
+ catch /TestException/
+ callTrace += [7]
+ endtry
+
+ assert_equal([2, 3, 1, 4, 5, 6, 7], callTrace)
+ END
+ v9.CheckSourceSuccess(lines)
+enddef
+
+" Test for multiple deferred function which throw exceptions.
+" Exceptions thrown by deferred functions should result in error messages but
+" not propagated into the calling functions.
+def Test_multidefer_with_exception()
+ var lines =<< trim END
+ vim9script
+
+ var callTrace: list<number> = []
+ def Except()
+ callTrace += [1]
+ throw 'InnerException'
+ callTrace += [2]
+ enddef
+
+ def FirstDefer()
+ callTrace += [3]
+ callTrace += [4]
+ enddef
+
+ def SecondDeferWithExcept()
+ callTrace += [5]
+ Except()
+ callTrace += [6]
+ enddef
+
+ def ThirdDefer()
+ callTrace += [7]
+ callTrace += [8]
+ enddef
+
+ def Foo()
+ callTrace += [9]
+ defer FirstDefer()
+ defer SecondDeferWithExcept()
+ defer ThirdDefer()
+ callTrace += [10]
+ enddef
+
+ v:errmsg = ''
+ try
+ callTrace += [11]
+ Foo()
+ callTrace += [12]
+ catch /TestException/
+ callTrace += [13]
+ catch
+ callTrace += [14]
+ finally
+ callTrace += [15]
+ endtry
+ callTrace += [16]
+
+ assert_equal('E605: Exception not caught: InnerException', v:errmsg)
+ assert_equal([11, 9, 10, 7, 8, 5, 1, 3, 4, 12, 15, 16], callTrace)
+ END
+ v9.CheckSourceSuccess(lines)
+enddef
+
+" Test for using ":defer" inside an if statement with a false condition
+def Test_defer_skipped()
+ var lines =<< trim END
+ def Foo()
+ if false
+ defer execute('echow "hello"', "")
+ endif
+ enddef
+ defcompile
+ END
+ v9.CheckSourceSuccess(lines)
+enddef
+
+" Test for using defer without parenthesis for the function name
+def Test_defer_func_without_paren()
+ var lines =<< trim END
+ vim9script
+ def Foo()
+ defer Bar
+ enddef
+ defcompile
+ END
+ v9.CheckScriptFailure(lines, 'E107: Missing parentheses: Bar', 1)
+enddef
+
+" Test for using defer without parenthesis for the function name
+def Test_defer_non_existing_func()
+ var lines =<< trim END
+ vim9script
+ def Foo()
+ defer Bar()
+ enddef
+ defcompile
+ END
+ v9.CheckScriptFailure(lines, 'E1001: Variable not found: Bar', 1)
+enddef
+
+" Test for using defer with an invalid function name
+def Test_defer_invalid_func()
+ var lines =<< trim END
+ vim9script
+ def Foo()
+ var Abc = 10
+ defer Abc()
+ enddef
+ defcompile
+ END
+ v9.CheckScriptFailure(lines, 'E129: Function name required', 2)
+enddef
+
+" Test for using defer with an invalid argument to a function
+def Test_defer_invalid_func_arg()
+ var lines =<< trim END
+ vim9script
+ def Bar(x: number)
+ enddef
+ def Foo()
+ defer Bar(a)
+ enddef
+ defcompile
+ END
+ v9.CheckScriptFailure(lines, 'E1001: Variable not found: a', 1)
+enddef
+
+" Test for using an non-existing type in a "for" statement.
+def Test_invalid_type_in_for()
+ var lines =<< trim END
+ vim9script
+ def Foo()
+ for b: x in range(10)
+ endfor
+ enddef
+ defcompile
+ END
+ v9.CheckSourceFailure(lines, 'E1010: Type not recognized: x in range(10)', 1)
+enddef
+
+" Test for using a line break between the variable name and the type in a for
+" statement.
+def Test_for_stmt_space_before_type()
+ var lines =<< trim END
+ vim9script
+ def Foo()
+ for a
+ :number in range(10)
+ endfor
+ enddef
+ defcompile
+ END
+ v9.CheckSourceFailure(lines, 'E1059: No white space allowed before colon: :number in range(10)', 2)
+enddef
+
+" Keep this last, it messes up highlighting.
+def Test_substitute_cmd()
+ new
+ setline(1, 'something')
+ :substitute(some(other(
+ assert_equal('otherthing', getline(1))
+ bwipe!
+
+ # also when the context is Vim9 script
+ var lines =<< trim END
+ vim9script
+ new
+ setline(1, 'something')
+ :substitute(some(other(
+ assert_equal('otherthing', getline(1))
+ bwipe!
+ END
+ writefile(lines, 'Xvim9lines', 'D')
+ source Xvim9lines
+enddef
+
+" vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker