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" Tests for the :let command.
func Test_let()
" Test to not autoload when assigning. It causes internal error.
set runtimepath+=./sautest
let Test104#numvar = function('tr')
call assert_equal("function('tr')", string(Test104#numvar))
let a = 1
let b = 2
let out = execute('let a b')
let s = "\na #1\nb #2"
call assert_equal(s, out)
let out = execute('let {0 == 1 ? "a" : "b"}')
let s = "\nb #2"
call assert_equal(s, out)
let out = execute('let {0 == 1 ? "a" : "b"} a')
let s = "\nb #2\na #1"
call assert_equal(s, out)
let out = execute('let a {0 == 1 ? "a" : "b"}')
let s = "\na #1\nb #2"
call assert_equal(s, out)
endfunc
func s:set_arg1(a) abort
let a:a = 1
endfunction
func s:set_arg2(a) abort
let a:b = 1
endfunction
func s:set_arg3(a) abort
let b = a:
let b['a'] = 1
endfunction
func s:set_arg4(a) abort
let b = a:
let b['a'] = 1
endfunction
func s:set_arg5(a) abort
let b = a:
let b['a'][0] = 1
endfunction
func s:set_arg6(a) abort
let a:a[0] = 1
endfunction
func s:set_arg7(a) abort
call extend(a:, {'a': 1})
endfunction
func s:set_arg8(a) abort
call extend(a:, {'b': 1})
endfunction
func s:set_arg9(a) abort
let a:['b'] = 1
endfunction
func s:set_arg10(a) abort
let b = a:
call extend(b, {'a': 1})
endfunction
func s:set_arg11(a) abort
let b = a:
call extend(b, {'b': 1})
endfunction
func s:set_arg12(a) abort
let b = a:
let b['b'] = 1
endfunction
func Test_let_arg_fail()
call assert_fails('call s:set_arg1(1)', 'E46:')
call assert_fails('call s:set_arg2(1)', 'E461:')
call assert_fails('call s:set_arg3(1)', 'E46:')
call assert_fails('call s:set_arg4(1)', 'E46:')
call assert_fails('call s:set_arg5(1)', 'E46:')
call s:set_arg6([0])
call assert_fails('call s:set_arg7(1)', 'E742:')
call assert_fails('call s:set_arg8(1)', 'E742:')
call assert_fails('call s:set_arg9(1)', 'E461:')
call assert_fails('call s:set_arg10(1)', 'E742:')
call assert_fails('call s:set_arg11(1)', 'E742:')
call assert_fails('call s:set_arg12(1)', 'E461:')
endfunction
func s:set_varg1(...) abort
let a:000 = []
endfunction
func s:set_varg2(...) abort
let a:000[0] = 1
endfunction
func s:set_varg3(...) abort
let a:000 += [1]
endfunction
func s:set_varg4(...) abort
call add(a:000, 1)
endfunction
func s:set_varg5(...) abort
let a:000[0][0] = 1
endfunction
func s:set_varg6(...) abort
let b = a:000
let b[0] = 1
endfunction
func s:set_varg7(...) abort
let b = a:000
let b += [1]
endfunction
func s:set_varg8(...) abort
let b = a:000
call add(b, 1)
endfunction
func s:set_varg9(...) abort
let b = a:000
let b[0][0] = 1
endfunction
func Test_let_varg_fail()
call assert_fails('call s:set_varg1(1)', 'E46:')
call assert_fails('call s:set_varg2(1)', 'E742:')
call assert_fails('call s:set_varg3(1)', 'E46:')
call assert_fails('call s:set_varg4(1)', 'E742:')
call s:set_varg5([0])
call assert_fails('call s:set_varg6(1)', 'E742:')
call assert_fails('call s:set_varg7(1)', 'E742:')
call assert_fails('call s:set_varg8(1)', 'E742:')
call s:set_varg9([0])
endfunction
func Test_let_utf8_environment()
let $a = 'ĀĒĪŌŪあいうえお'
call assert_equal('ĀĒĪŌŪあいうえお', $a)
endfunc
func Test_let_heredoc_fails()
call assert_fails('let v =<< marker', 'E991:')
let text =<< trim END
func WrongSyntax()
let v =<< that there
endfunc
END
call writefile(text, 'XheredocFail')
call assert_fails('source XheredocFail', 'E126:')
call delete('XheredocFail')
let text =<< trim END
func MissingEnd()
let v =<< END
endfunc
END
call writefile(text, 'XheredocWrong')
call assert_fails('source XheredocWrong', 'E126:')
call delete('XheredocWrong')
endfunc
" Test for the setting a variable using the heredoc syntax
func Test_let_heredoc()
let var1 =<< END
Some sample text
Text with indent
!@#$%^&*()-+_={}|[]\~`:";'<>?,./
END
call assert_equal(["Some sample text", "\tText with indent", " !@#$%^&*()-+_={}|[]\\~`:\";'<>?,./"], var1)
let var2 =<<
Editor
.
call assert_equal(['Editor'], var2)
let var3 =<<END
END
call assert_equal([], var3)
let var3 =<<END
vim
end
END
END
END
call assert_equal(['vim', '', 'end', ' END', 'END '], var3)
let var1 =<< trim END
Line1
Line2
Line3
END
END
call assert_equal(['Line1', ' Line2', "\tLine3", ' END'], var1)
let var1 =<< trim
Line1
.
call assert_equal([' Line1'], var1)
" ignore "endfunc"
let var1 =<< END
something
endfunc
END
call assert_equal(['something', 'endfunc'], var1)
" ignore "endfunc" with trim
let var1 =<< trim END
something
endfunc
END
call assert_equal(['something', 'endfunc'], var1)
" ignore "python << xx"
let var1 =<<END
something
python << xx
END
call assert_equal(['something', 'python << xx'], var1)
" ignore "python << xx" with trim
let var1 =<< trim END
something
python << xx
END
call assert_equal(['something', 'python << xx'], var1)
" ignore "append"
let var1 =<<
something
app
.
call assert_equal(['something', 'app'], var1)
" ignore "append" with trim
let var1 =<< trim
something
app
.
call assert_equal(['something', 'app'], var1)
endfunc
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