#[cfg(test)]
mod tests {
const SNAPSHOT_PATH: &str = "../../../snapshots/parsers/cst/library/string/rightb";
use vb6parse::ConcreteSyntaxTree;
#[test]
fn rightb_basic() {
let source = r"
Sub Test()
result = RightB(data, 4)
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 rightb_checksum() {
let source = r"
Function GetChecksum(packet As String) As String
GetChecksum = RightB(packet, 4)
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 rightb_trailer() {
let source = r"
Sub ParseData(data As String)
trailer = RightB(data, 16)
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 rightb_in_condition() {
let source = r"
Sub Test()
If RightB(data, 4) = checksumBytes Then
ProcessData
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 rightb_binary_record() {
let source = r"
Function GetRecordSuffix(record As String) As String
GetRecordSuffix = RightB(record, 8)
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 rightb_with_lenb() {
let source = r"
Sub Test()
If LenB(data) > 10 Then
suffix = RightB(data, 10)
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 rightb_dbcs_handling() {
let source = r"
Sub Test()
Dim jpText As String
jpText = GetJapaneseText()
bytes = RightB(jpText, 4)
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 rightb_validation() {
let source = r"
Function ValidateTrailer(data As String, trailer As String) As Boolean
ValidateTrailer = (RightB(data, LenB(trailer)) = trailer)
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 rightb_crc_validation() {
let source = r"
Function ValidateCRC(data As String) As Boolean
Dim crc As String
Dim payload As String
crc = RightB(data, 4)
payload = LeftB(data, LenB(data) - 4)
ValidateCRC = (CalculateCRC(payload) = crc)
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 rightb_guid_extraction() {
let source = r"
Sub ExtractGUID(guidData As String)
data4 = RightB(guidData, 8)
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);
}
}