use vb6parse::ConcreteSyntaxTree;
const SNAPSHOT_PATH: &str = "../../snapshots/parsers/cst/control_flow/resume";
#[test]
fn resume_simple() {
let source = r"
Sub Test()
On Error GoTo ErrorHandler
Exit Sub
ErrorHandler:
Resume
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_next() {
let source = r"
Sub Test()
On Error GoTo ErrorHandler
x = 1 / 0
Exit Sub
ErrorHandler:
Resume Next
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_with_label() {
let source = r#"
Sub Test()
On Error GoTo ErrorHandler
Exit Sub
ErrorHandler:
Resume CleanUp
CleanUp:
MsgBox "Cleanup"
End Sub
"#;
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_with_line_number() {
let source = r"
Sub Test()
On Error GoTo ErrorHandler
Exit Sub
ErrorHandler:
Resume 100
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_in_error_handler() {
let source = r#"
Sub ProcessFile()
On Error GoTo FileError
Open "test.txt" For Input As #1
Exit Sub
FileError:
If Err.Number = 53 Then
MsgBox "File not found"
Resume Next
Else
Resume
End If
End Sub
"#;
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_with_comment() {
let source = r"
Sub Test()
On Error GoTo ErrorHandler
Exit Sub
ErrorHandler:
Resume Next ' Continue after error
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_preserves_whitespace() {
let source = " Resume Next \n";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_in_nested_error_handler() {
let source = r"
Sub Test()
On Error GoTo ErrorHandler
Call SubProcedure
Exit Sub
ErrorHandler:
If Err.Number = 5 Then
Resume Next
Else
Resume CleanUp
End If
CleanUp:
' Cleanup code
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_at_module_level() {
let source = "Resume Next\n";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_with_select_case() {
let source = r"
Sub Test()
On Error GoTo ErrorHandler
Exit Sub
ErrorHandler:
Select Case Err.Number
Case 5
Resume Next
Case 11
Resume
Case Else
Resume CleanUp
End Select
CleanUp:
' Cleanup
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_in_loop() {
let source = r"
Sub ProcessFiles()
On Error GoTo ErrorHandler
For i = 1 To 10
ProcessFile i
Next i
Exit Sub
ErrorHandler:
Resume Next
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_complex_error_handling() {
let source = r#"
Function OpenDatabase() As Boolean
On Error GoTo DBError
' Database opening code
OpenDatabase = True
Exit Function
DBError:
Select Case Err.Number
Case 3024
MsgBox "Database locked"
Resume Retry
Case 3044
MsgBox "Path not found"
Resume Next
Case Else
MsgBox "Unknown error"
Resume ExitPoint
End Select
Retry:
' Retry logic
Resume
ExitPoint:
OpenDatabase = False
End Function
"#;
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_with_do_loop() {
let source = r"
Sub Test()
On Error GoTo ErrorHandler
Do
' Code
Loop
Exit Sub
ErrorHandler:
Resume Next
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn multiple_resume_statements() {
let source = r"
Sub Test()
On Error GoTo ErrorHandler
Exit Sub
ErrorHandler:
If Err.Number = 5 Then
Resume
End If
If Err.Number = 11 Then
Resume Next
End If
Resume CleanUp
CleanUp:
' Cleanup
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_with_on_error_resume_next() {
let source = r#"
Sub Test()
On Error Resume Next
x = 1 / 0
If Err.Number <> 0 Then
MsgBox "Error occurred"
End If
End Sub
"#;
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_in_class_module() {
let source = r"
Private Sub Class_Initialize()
On Error GoTo InitError
' Initialization code
Exit Sub
InitError:
Resume Next
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.cls", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_with_error_number_check() {
let source = r"
Sub Test()
On Error GoTo ErrorHandler
Exit Sub
ErrorHandler:
If Err.Number = 53 Then
Resume Next
ElseIf Err.Number = 5 Then
Resume
Else
Resume ExitSub
End If
ExitSub:
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_in_function() {
let source = r"
Function Calculate() As Double
On Error GoTo CalcError
Calculate = x / y
Exit Function
CalcError:
Calculate = 0
Resume Next
End Function
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_with_line_continuation() {
let source = r"
Sub Test()
On Error GoTo ErrorHandler
Exit Sub
ErrorHandler:
Resume _
Next
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_inline_if() {
let source = r"
Sub Test()
On Error GoTo ErrorHandler
Exit Sub
ErrorHandler:
If Err.Number = 5 Then Resume Next
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_with_transaction() {
let source = r"
Sub ProcessTransaction()
On Error GoTo TransError
BeginTrans
' Transaction code
CommitTrans
Exit Sub
TransError:
Rollback
Resume Next
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_with_goto_label() {
let source = r"
Sub Test()
On Error GoTo ErrorHandler
GoTo ProcessData
ProcessData:
' Code
Exit Sub
ErrorHandler:
Resume ProcessData
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_with_exit_statement() {
let source = r"
Sub Test()
On Error GoTo ErrorHandler
For i = 1 To 10
If i = 5 Then Exit For
Next i
Exit Sub
ErrorHandler:
Resume Next
End Sub
";
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_file_operations() {
let source = r#"
Sub ReadFile()
On Error GoTo FileError
Open "data.txt" For Input As #1
Line Input #1, dataLine
Close #1
Exit Sub
FileError:
If Err.Number = 53 Then
Resume CreateFile
Else
Resume Next
End If
CreateFile:
' Create file logic
End Sub
"#;
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}
#[test]
fn resume_database_operations() {
let source = r#"
Sub QueryDatabase()
On Error GoTo DBError
rs.Open "SELECT * FROM Users"
Exit Sub
DBError:
If Err.Number = 3021 Then
Resume Next
Else
Resume CleanUp
End If
CleanUp:
rs.Close
End Sub
"#;
let (cst_opt, failures) = ConcreteSyntaxTree::from_text("test.bas", source).unpack();
assert_eq!(failures.len(), 0, "Expected no parse failures.");
let cst = cst_opt.expect("CST should be parsed");
let tree = cst.to_serializable();
let mut settings = insta::Settings::clone_current();
settings.set_snapshot_path(SNAPSHOT_PATH);
settings.set_prepend_module_to_snapshot(false);
let _guard = settings.bind_to_scope();
insta::assert_yaml_snapshot!(tree);
}