a16fead0a5
Interactive hosts expect an `IncompleteParseException` to signal that more input is expected. When detecting errors, the parser can report 2 positions: * where the error should be reported * where the error was detected Typically these are the same, so most error reporting methods have a single parameter. For missing braces, the pattern is supposed to be to report the error after the opening brace, but the error is typically detected at the end of the file. There were a few places where we were not consistent in reporting such errors, this PR corrects those places.
306 lines
18 KiB
PowerShell
306 lines
18 KiB
PowerShell
Import-Module $PSScriptRoot\..\LanguageTestSupport.psm1
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set-strictmode -v 2
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Describe 'for statement parsing' -Tags "CI" {
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ShouldBeParseError 'for' MissingOpenParenthesisAfterKeyword 4 -CheckColumnNumber
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ShouldBeParseError 'for(' MissingEndParenthesisAfterStatement 5 -CheckColumnNumber
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ShouldBeParseError 'for(;' MissingEndParenthesisAfterStatement 6 -CheckColumnNumber
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ShouldBeParseError 'for(;;' MissingEndParenthesisAfterStatement 7 -CheckColumnNumber
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ShouldBeParseError 'for($a' MissingEndParenthesisAfterStatement 7 -CheckColumnNumber
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ShouldBeParseError 'for($a;' MissingEndParenthesisAfterStatement 8 -CheckColumnNumber
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ShouldBeParseError 'for($a;$b' MissingEndParenthesisAfterStatement 10 -CheckColumnNumber
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ShouldBeParseError 'for($a;$b;' MissingEndParenthesisAfterStatement 11 -CheckColumnNumber
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ShouldBeParseError 'for($a;$b;$c' MissingEndParenthesisAfterStatement 13 -CheckColumnNumber
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ShouldBeParseError 'for($a;$b;$c)' MissingLoopStatement 14 -CheckColumnNumber
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ShouldBeParseError ':lab for' MissingOpenParenthesisAfterKeyword 9 -CheckColumnNumber
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ShouldBeParseError ':lab for(' MissingEndParenthesisAfterStatement 9
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ShouldBeParseError ':lab for(;' MissingEndParenthesisAfterStatement 11 -CheckColumnNumber
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ShouldBeParseError ':lab for(;;' MissingEndParenthesisAfterStatement 12 -CheckColumnNumber
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ShouldBeParseError ':lab for($a' MissingEndParenthesisAfterStatement 12 -CheckColumnNumber
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ShouldBeParseError ':lab for($a;' MissingEndParenthesisAfterStatement 12
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ShouldBeParseError ':lab for($a;$b' MissingEndParenthesisAfterStatement 14
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ShouldBeParseError ':lab for($a;$b;' MissingEndParenthesisAfterStatement 15
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ShouldBeParseError ':lab for($a;$b;$c' MissingEndParenthesisAfterStatement 17
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ShouldBeParseError ':lab for($a;$b;$c)' MissingLoopStatement 18
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Test-ErrorStmt 'for z' 'for'
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Test-ErrorStmt 'for {}' 'for'
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Test-ErrorStmt 'for ()' 'for ()'
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Test-ErrorStmt 'for(' 'for('
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Test-ErrorStmt 'for(;' 'for(;'
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Test-ErrorStmt 'for(;;' 'for(;;'
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Test-ErrorStmt 'for($a' 'for($a' '$a' '$a' '$a'
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Test-ErrorStmt 'for($a;$b' 'for($a;$b' '$a' '$a' '$a' '$b' '$b' '$b'
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Test-ErrorStmt 'for($a;$b;$c' 'for($a;$b;$c' '$a' '$a' '$a' '$b' '$b' '$b' '$c' '$c' '$c'
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Test-ErrorStmt 'for($a;$b;$c)' 'for($a;$b;$c)' '$a' '$a' '$a' '$b' '$b' '$b' '$c' '$c' '$c'
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Test-ErrorStmt 'for()zzzz' 'for()'
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Test-ErrorStmt ':lab for z' ':lab for'
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Test-ErrorStmt ':lab for {}' ':lab for'
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Test-ErrorStmt ':lab for ()' ':lab for ()'
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Test-ErrorStmt ':lab for(' ':lab for('
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Test-ErrorStmt ':lab for(;' ':lab for(;'
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Test-ErrorStmt ':lab for(;;' ':lab for(;;'
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Test-ErrorStmt ':lab for($a' ':lab for($a' '$a' '$a' '$a'
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Test-ErrorStmt ':lab for($a;$b' ':lab for($a;$b' '$a' '$a' '$a' '$b' '$b' '$b'
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Test-ErrorStmt ':lab for($a;$b;$c' ':lab for($a;$b;$c' '$a' '$a' '$a' '$b' '$b' '$b' '$c' '$c' '$c'
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Test-ErrorStmt ':lab for($a;$b;$c)' ':lab for($a;$b;$c)' '$a' '$a' '$a' '$b' '$b' '$b' '$c' '$c' '$c'
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Test-ErrorStmt ':lab for()zzzz' ':lab for()'
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}
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Describe 'foreach statement parsing' -Tags "CI" {
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ShouldBeParseError 'foreach' MissingOpenParenthesisAfterKeyword 7
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ShouldBeParseError 'foreach (' MissingVariableNameAfterForeach 9
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ShouldBeParseError 'foreach ($a' MissingInInForeach 11
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ShouldBeParseError 'foreach ($a into' MissingInInForeach 11
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ShouldBeParseError 'foreach ($a in' MissingForeachExpression 14
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ShouldBeParseError 'foreach ($a in $x' MissingEndParenthesisAfterForeach 17
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ShouldBeParseError 'foreach ($a in $x)' MissingForeachStatement 18
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ShouldBeParseError ':lab foreach' MissingOpenParenthesisAfterKeyword 12
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ShouldBeParseError ':lab foreach (' MissingVariableNameAfterForeach 14
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ShouldBeParseError ':lab foreach ($a' MissingInInForeach 16
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ShouldBeParseError ':lab foreach ($a into' MissingInInForeach 17 -CheckColumnNumber
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ShouldBeParseError ':lab foreach ($a in' MissingForeachExpression 20 -CheckColumnNumber
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ShouldBeParseError ':lab foreach ($a in $x' MissingEndParenthesisAfterForeach 23 -CheckColumnNumber
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ShouldBeParseError ':lab foreach ($a in $x)' MissingForeachStatement 24 -CheckColumnNumber
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Test-ErrorStmt 'foreach' 'foreach'
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Test-ErrorStmt 'foreach z' 'foreach'
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Test-ErrorStmt 'foreach (' 'foreach ('
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Test-ErrorStmt 'foreach ($a' 'foreach ($a' '$a'
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Test-ErrorStmt 'foreach ($a zz' 'foreach ($a' '$a'
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Test-ErrorStmt 'foreach ($a # line comment' 'foreach ($a' '$a'
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Test-ErrorStmt 'foreach ($a $zz' 'foreach ($a' '$a'
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Test-ErrorStmt 'foreach ($a in' 'foreach ($a in' '$a'
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Test-ErrorStmt 'foreach ($a in $b' 'foreach ($a in $b' '$a' '$b' '$b' '$b'
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Test-ErrorStmt 'foreach ($a in $b <#hmm#>)' 'foreach ($a in $b <#hmm#>)' '$a' '$b' '$b' '$b'
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Test-ErrorStmt ':lab foreach' ':lab foreach'
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Test-ErrorStmt ':lab foreach z' ':lab foreach'
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Test-ErrorStmt ':lab foreach (' ':lab foreach ('
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Test-ErrorStmt ':lab foreach ($a' ':lab foreach ($a' '$a'
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Test-ErrorStmt ':lab foreach ($a zz' ':lab foreach ($a' '$a'
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Test-ErrorStmt ':lab foreach ($a # line comment' ':lab foreach ($a' '$a'
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Test-ErrorStmt ':lab foreach ($a $zz' ':lab foreach ($a' '$a'
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Test-ErrorStmt ':lab foreach ($a in' ':lab foreach ($a in' '$a'
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Test-ErrorStmt ':lab foreach ($a in $b' ':lab foreach ($a in $b' '$a' '$b' '$b' '$b'
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Test-ErrorStmt ':lab foreach ($a in $b <#hmm#>)' ':lab foreach ($a in $b <#hmm#>)' '$a' '$b' '$b' '$b'
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}
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Describe 'do/while statement statement parsing' -Tags "CI" {
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ShouldBeParseError 'do' MissingLoopStatement 2
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ShouldBeParseError 'do {}' MissingWhileOrUntilInDoWhile 5
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ShouldBeParseError 'do {} while' MissingOpenParenthesisAfterKeyword 11
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ShouldBeParseError 'do {} while (' MissingExpressionAfterKeyword 13
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ShouldBeParseError 'do {} while (1' MissingEndParenthesisAfterStatement 14
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ShouldBeParseError ':lab do' MissingLoopStatement 8 -CheckColumnNumber
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ShouldBeParseError ':lab do {}' MissingWhileOrUntilInDoWhile 11 -CheckColumnNumber
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ShouldBeParseError ':lab do {} while' MissingOpenParenthesisAfterKeyword 17 -CheckColumnNumber
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ShouldBeParseError ':lab do {} while (' MissingExpressionAfterKeyword 19 -CheckColumnNumber
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ShouldBeParseError ':lab do {} while (1' MissingEndParenthesisAfterStatement 20 -CheckColumnNumber
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Test-ErrorStmt 'do' 'do'
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Test-ErrorStmt 'do {1}' 'do {1}' '{1}' '1' '1' '1'
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Test-ErrorStmt 'do {1} while' 'do {1} while' '{1}' '1' '1' '1'
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Test-ErrorStmt 'do {1} while(' 'do {1} while(' '{1}' '1' '1' '1'
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Test-ErrorStmt 'do {1} while($false' 'do {1} while($false' '{1}' '1' '1' '1' '$false' '$false' '$false'
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Test-ErrorStmt ':lab do' ':lab do'
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Test-ErrorStmt ':lab do {1}' ':lab do {1}' '{1}' '1' '1' '1'
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Test-ErrorStmt ':lab do {1} while' ':lab do {1} while' '{1}' '1' '1' '1'
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Test-ErrorStmt ':lab do {1} while(' ':lab do {1} while(' '{1}' '1' '1' '1'
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Test-ErrorStmt ':lab do {1} while($false' ':lab do {1} while($false' '{1}' '1' '1' '1' '$false' '$false' '$false'
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}
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Describe 'do/while statement statement parsing' -Tags "CI" {
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ShouldBeParseError 'do' MissingLoopStatement 3 -CheckColumnNumber
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ShouldBeParseError 'do {}' MissingWhileOrUntilInDoWhile 6 -CheckColumnNumber
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ShouldBeParseError 'do {} until' MissingOpenParenthesisAfterKeyword 12 -CheckColumnNumber
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ShouldBeParseError 'do {} until (' MissingExpressionAfterKeyword 14 -CheckColumnNumber
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ShouldBeParseError 'do {} until (1' MissingEndParenthesisAfterStatement 15 -CheckColumnNumber
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ShouldBeParseError ':lab do' MissingLoopStatement 8 -CheckColumnNumber
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ShouldBeParseError ':lab do {}' MissingWhileOrUntilInDoWhile 10
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ShouldBeParseError ':lab do {} until' MissingOpenParenthesisAfterKeyword 16
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ShouldBeParseError ':lab do {} until (' MissingExpressionAfterKeyword 18
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ShouldBeParseError ':lab do {} until (1' MissingEndParenthesisAfterStatement 19
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Test-ErrorStmt 'do' 'do'
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Test-ErrorStmt 'do {1}' 'do {1}' '{1}' '1' '1' '1'
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Test-ErrorStmt 'do {1} until' 'do {1} until' '{1}' '1' '1' '1'
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Test-ErrorStmt 'do {1} until(' 'do {1} until(' '{1}' '1' '1' '1'
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Test-ErrorStmt 'do {1} until($false' 'do {1} until($false' '{1}' '1' '1' '1' '$false' '$false' '$false'
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Test-ErrorStmt ':lab do' ':lab do'
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Test-ErrorStmt ':lab do {1}' ':lab do {1}' '{1}' '1' '1' '1'
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Test-ErrorStmt ':lab do {1} until' ':lab do {1} until' '{1}' '1' '1' '1'
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Test-ErrorStmt ':lab do {1} until(' ':lab do {1} until(' '{1}' '1' '1' '1'
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Test-ErrorStmt ':lab do {1} until($false' ':lab do {1} until($false' '{1}' '1' '1' '1' '$false' '$false' '$false'
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}
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Describe 'trap statement parsing' -Tags "CI" {
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ShouldBeParseError 'trap' MissingTrapStatement 4
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ShouldBeParseError 'trap [int]' MissingTrapStatement 11 -CheckColumnNumber
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Test-ErrorStmt 'trap' 'trap'
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Test-ErrorStmt 'trap [int]' 'trap [int]' '[int]'
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}
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Describe 'named blocks parsing' -Tags "CI" {
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ShouldBeParseError 'begin' MissingNamedStatementBlock 5
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ShouldBeParseError 'process' MissingNamedStatementBlock 7
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ShouldBeParseError 'end' MissingNamedStatementBlock 3
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ShouldBeParseError 'dynamicparam' MissingNamedStatementBlock 12
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ShouldBeParseError 'begin process {}' MissingNamedStatementBlock 6 -CheckColumnNumber
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ShouldBeParseError 'end process {}' MissingNamedStatementBlock 4 -CheckColumnNumber
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ShouldBeParseError 'dynamicparam process {}' MissingNamedStatementBlock 13 -CheckColumnNumber
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ShouldBeParseError 'process begin {}' MissingNamedStatementBlock 8 -CheckColumnNumber
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ShouldBeParseError 'begin process end' MissingNamedStatementBlock,MissingNamedStatementBlock,MissingNamedStatementBlock 6,14,18 -CheckColumnNumber
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Test-Ast 'begin' 'begin' 'begin'
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Test-Ast 'begin end' 'begin end' 'begin' 'end'
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Test-Ast 'begin end process' 'begin end process' 'begin' 'end' 'process'
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Test-Ast 'begin {} end' 'begin {} end' 'begin {}' 'end'
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}
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#
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# data statement
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#
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Describe 'data statement parsing' -Tags "CI" {
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ShouldBeParseError 'data' MissingStatementBlockForDataSection 5 -CheckColumnNumber
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ShouldBeParseError 'data foo' MissingStatementBlockForDataSection 9 -CheckColumnNumber
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ShouldBeParseError 'data -abc' InvalidParameterForDataSectionStatement 6 -CheckColumnNumber
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ShouldBeParseError 'data -abc foo {}' InvalidParameterForDataSectionStatement 6 -CheckColumnNumber
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ShouldBeParseError 'data -abc & {}' InvalidParameterForDataSectionStatement 5
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ShouldBeParseError 'data -s & {}' MissingValueForSupportedCommandInDataSectionStatement 7
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ShouldBeParseError 'data -s ) {}' MissingValueForSupportedCommandInDataSectionStatement,UnexpectedToken 8,9 -CheckColumnNumber
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ShouldBeParseError 'data -s } {}' MissingValueForSupportedCommandInDataSectionStatement,UnexpectedToken 7,8
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ShouldBeParseError 'data -s ; {}' MissingValueForSupportedCommandInDataSectionStatement 7
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ShouldBeParseError 'data -sup a,' MissingValueForSupportedCommandInDataSectionStatement 13 -CheckColumnNumber
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ShouldBeParseError 'data -sup a,b' MissingStatementBlockForDataSection 14 -CheckColumnNumber
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Test-ErrorStmt 'data' 'data'
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Test-ErrorStmt 'data -s & {}' 'data -s'
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Test-ErrorStmt 'data -s ) {}' 'data -s'
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Test-ErrorStmt 'data -s abc' 'data -s abc' 'abc'
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Test-ErrorStmt 'data -s abc,' 'data -s abc,' 'abc'
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Test-ErrorStmt 'data -s a,b' 'data -s a,b' 'a' 'b'
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}
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#
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# try/catch/finally statement
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#
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Describe 'try/catch/finally statement parsing' -Tags "CI" {
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ShouldBeParseError 'try' MissingTryStatementBlock 3
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ShouldBeParseError 'try {}' MissingCatchOrFinally 6
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ShouldBeParseError 'try {} catch' MissingCatchHandlerBlock 12
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ShouldBeParseError 'try {} finally' MissingFinallyStatementBlock 15 -CheckColumnNumber
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ShouldBeParseError 'try {} catch [int]' MissingCatchHandlerBlock 19 -CheckColumnNumber
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ShouldBeParseError 'try {} catch {} finally' MissingFinallyStatementBlock 23
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ShouldBeParseError 'try {} catch {} catch' MissingCatchHandlerBlock 21
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ShouldBeParseError 'try {} catch [int],' MissingTypeLiteralToken 19
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ShouldBeParseError 'try {} finally { return }' ControlLeavingFinally 17
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ShouldBeParseError 'try {} finally { break }' ControlLeavingFinally 17
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ShouldBeParseError 'try {} finally { continue }' ControlLeavingFinally 17
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Test-ErrorStmt 'try' 'try'
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Test-ErrorStmt 'try {1}' 'try {1}' '{1}' '1' '1' '1'
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Test-ErrorStmt 'try {1} catch' 'try {1} catch' '{1}' '1' '1' '1'
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Test-ErrorStmt 'try {1} finally' 'try {1} finally' '{1}' '1' '1' '1'
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Test-ErrorStmt 'try {1} catch [int]' 'try {1} catch [int]' '{1}' '1' '1' '1' '[int]'
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Test-ErrorStmt 'try {1} catch {2} finally' 'try {1} catch {2} finally' '{1}' '1' '1' '1' 'catch {2}' '{2}' '2' '2' '2'
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Test-ErrorStmt 'try {1} catch {2} catch' 'try {1} catch {2} catch' '{1}' '1' '1' '1' 'catch {2}' '{2}' '2' '2' '2'
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Test-ErrorStmt 'try {1} catch [int],[char] {2} catch' 'try {1} catch [int],[char] {2} catch' '{1}' '1' '1' '1' 'catch [int],[char] {2}' '{2}' '2' '2' '2' '[int]' '[char]'
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Test-ErrorStmt 'try {1} catch [int],' 'try {1} catch [int],' '{1}' '1' '1' '1' '[int]'
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}
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Describe 'switch statement parsing' -Tags "CI" {
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ShouldBeParseError 'switch' PipelineValueRequired 6
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ShouldBeParseError 'switch -abc' InvalidSwitchFlag,PipelineValueRequired 7,11
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ShouldBeParseError 'switch -file' MissingFilenameOption 12
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ShouldBeParseError 'switch -file a (1)' PipelineValueRequired,MissingCurlyBraceInSwitchStatement 15,18
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ShouldBeParseError 'switch (' PipelineValueRequired 8
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ShouldBeParseError 'switch ()' PipelineValueRequired,MissingCurlyBraceInSwitchStatement 8,9
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ShouldBeParseError 'switch ("abc") ' MissingCurlyBraceInSwitchStatement 14
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ShouldBeParseError 'switch ("abc") {' MissingSwitchConditionExpression 17
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ShouldBeParseError 'switch ("abc") { 1' MissingSwitchStatementClause 19
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ShouldBeParseError 'switch ("abc") { 1 }' MissingSwitchStatementClause 19
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ShouldBeParseError 'switch (1) {default {} default {}}' MultipleSwitchDefaultClauses 23
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Test-ErrorStmt 'switch' 'switch'
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Test-ErrorStmt 'switch -abc' 'switch -abc'
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Test-ErrorStmt 'switch (' 'switch ('
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Test-ErrorStmt 'switch ()' 'switch ()'
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Test-ErrorStmt 'switch -file' 'switch -file'
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Test-ErrorStmt 'switch -file a' 'switch -file a'
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Test-ErrorStmtForSwitchFlag 'switch -file a' 'file' 'a' 'a' 'a'
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Test-ErrorStmt 'switch -file a (1)' 'switch -file a (1)' '1' '1' '1'
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Test-ErrorStmtForSwitchFlag 'switch -file a (1)' 'file' 'a' 'a' 'a'
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Test-ErrorStmt 'switch (1) {foo' 'switch (1) {foo' 'foo' '1' '1' '1'
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Test-ErrorStmt 'switch (1) {foo}' 'switch (1) {foo' 'foo' '1' '1' '1'
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Test-ErrorStmt 'switch (1) {foo {bar}' 'switch (1) {foo {bar}' 'foo' '{bar}' 'bar' 'bar' 'bar' '1' '1' '1'
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Test-ErrorStmt 'switch (1) {default {9} default{2}' 'switch (1) {default {9} default{2}' 'default' '{9}' '9' '9' '9' 'default' '{2}' '2' '2' '2' '1' '1' '1'
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}
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Describe 'function statement parsing' -Tags "CI" {
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ShouldBeParseError 'function' MissingNameAfterKeyword 8
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ShouldBeParseError 'function foo' MissingFunctionBody 12
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ShouldBeParseError 'function foo(' MissingEndParenthesisInFunctionParameterList 13
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ShouldBeParseError 'function foo {' MissingEndCurlyBrace 13
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ShouldBeParseError 'function foo { function bar { if (1) {} }' MissingEndCurlyBrace 13
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ShouldBeParseError 'function f { param($a,[int]$a) }' DuplicateFormalParameter 27
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ShouldBeParseError 'function f($a,[int]$a){}' DuplicateFormalParameter 19
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ShouldBeParseError 'function foo {param(}' MissingEndParenthesisInFunctionParameterList 20
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Test-ErrorStmt 'function foo()' 'function foo()'
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Test-ErrorStmt 'function foo($a)' 'function foo($a)' '$a' '$a'
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Test-ErrorStmt 'function foo($a = 1)' 'function foo($a = 1)' '$a = 1' '1' '$a'
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Test-ErrorStmt 'function foo($a' 'function foo($a' '$a' '$a'
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Test-ErrorStmt 'function foo($a 1' 'function foo($a' '$a' '$a'
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Test-ErrorStmt 'function foo($a = 1' 'function foo($a = 1' '$a = 1' '1' '$a'
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}
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Describe 'assignment statement parsing' -Tags "CI" {
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ShouldBeParseError '$a,$b += 1,2' InvalidLeftHandSide 0
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}
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Describe 'splatting parsing' -Tags "CI" {
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ShouldBeParseError '@a' SplattingNotPermitted 0
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ShouldBeParseError 'foreach (@a in $b) {}' SplattingNotPermitted 9
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ShouldBeParseError 'param(@a)' SplattingNotPermitted 6
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ShouldBeParseError 'function foo (@a) {}' SplattingNotPermitted 14
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}
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Describe 'Pipes parsing' -Tags "CI" {
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ShouldBeParseError 'gps|' EmptyPipeElement 4
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ShouldBeParseError '1|1' ExpressionsMustBeFirstInPipeline 2
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ShouldBeParseError '$a=' ExpectedValueExpression 3
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ShouldBeParseError '1 &' UnexpectedToken,MissingExpression 2,2
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}
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Describe 'commands parsing' -Tags "CI" {
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ShouldBeParseError 'gcm -a:' ParameterRequiresArgument 7
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ShouldBeParseError 'gcm -a: 1,' MissingExpression 11 -CheckColumnNumber
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ShouldBeParseError 'gcm ,' MissingArgument 4
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}
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Describe 'tokens parsing' -Tags "CI" {
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ShouldBeParseError ' )' UnexpectedToken 3
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ShouldBeParseError ' }' UnexpectedToken 4 -CheckColumnNumber
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}
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Describe 'expressions parsing' -Tags "CI" {
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ShouldBeParseError '1+' ExpectedValueExpression 2
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ShouldBeParseError '[a()][b]' UnexpectedAttribute 0
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ShouldBeParseError '[a()][b]2' UnexpectedAttribute 0
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ShouldBeParseError '[ref][ref]$x' ReferenceNeedsToBeByItselfInTypeSequence 5
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ShouldBeParseError '[int][ref]$x' ReferenceNeedsToBeLastTypeInTypeConversion 5
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ShouldBeParseError '[int][ref]$x = 42' ReferenceNeedsToBeByItselfInTypeConstraint 5
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}
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Describe 'Hash Expression parsing' -Tags "CI" {
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ShouldBeParseError '@{ a=1;b=2;c=3;' MissingEndCurlyBrace 2
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}
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