vb6parse 1.2.4

vb6parse is a library for parsing and analyzing VB6 code, from projects, to controls, to modules, and forms.
Documentation
const SNAPSHOT_PATH: &str = "../../../snapshots/parsers/cst/library/conversion/vartype";

use vb6parse::ConcreteSyntaxTree;

#[test]
fn vartype_integer() {
    let source = r"
Sub Test()
    Dim x As Integer
    Debug.Print VarType(x)
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 vartype_string() {
    let source = r"
Sub Test()
    Dim s As String
    Debug.Print VarType(s)
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 vartype_array() {
    let source = r"
Sub Test()
    Dim arr(1 To 5) As Double
    Debug.Print VarType(arr)
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 vartype_variant() {
    let source = r"
Sub Test()
    Dim v As Variant
    v = 123
    Debug.Print VarType(v)
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 vartype_check_array() {
    let source = r#"
Sub Test()
    If VarType(var) And vbArray Then
        Debug.Print "It's an array!"
    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 vartype_check_string() {
    let source = r"
Sub Test()
    If VarType(x) = vbString Then
        ' Handle string
    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 vartype_handle_variant() {
    let source = r"
Sub Test()
    If VarType(v) = vbInteger Then
        ' Handle integer
    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 vartype_log_type() {
    let source = r#"
Sub Test()
    Debug.Print "VarType: " & VarType(x)
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 vartype_validate_argument() {
    let source = r"
Sub Foo(arg As Variant)
    If VarType(arg) <> vbString Then Err.Raise 5
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 vartype_reflection() {
    let source = r"
Sub Test()
    Dim t As Integer
    t = VarType(obj)
    If t = vbObject Then
        ' Do something
    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 vartype_null_and_empty() {
    let source = r"
Sub Test()
    If VarType(v) = vbNull Then
        ' Handle Null
    ElseIf VarType(v) = vbEmpty Then
        ' Handle Empty
    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 vartype_array_type_detection() {
    let source = r#"
Sub Test()
    If (VarType(arr) And vbArray) Then
        Debug.Print "Array base type: " & (VarType(arr) - vbArray)
    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 vartype_user_defined_type() {
    let source = r"
Type MyType
    x As Integer
End Type
Sub Test()
    Dim t As MyType
    Debug.Print VarType(t)
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 vartype_class_type_detection() {
    let source = r"
Sub Test()
    If VarType(obj) = vbObject Then
        ' Handle object
    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 vartype_isstring_function() {
    let source = r"
Function IsString(val As Variant) As Boolean
    IsString = (VarType(val) = vbString)
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 vartype_logtypes_paramarray() {
    let source = r#"
Sub LogTypes(ParamArray args() As Variant)
    Dim i As Integer
    For i = LBound(args) To UBound(args)
        Debug.Print "Arg " & i & ": " & VarType(args(i))
    Next i
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 vartype_reflection_class_methods() {
    let source = r"
Sub Test()
    If VarType(obj) = vbObject Then
        obj.SpecialMethod
    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 vartype_variant_array_detection() {
    let source = r#"
Sub Test()
    Dim v As Variant
    v = Array(1, 2, 3)
    If (VarType(v) And vbArray) Then
        Debug.Print "Variant array"
    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);
}