func TestBinary_math(t *testing.T) {
const src = `
$a: inspect(1 + 3);
$b: inspect(3/1);
$c: inspect(1/2 + 1/2);
$d: inspect(2*2);
$d: inspect(1*1/2);
$e: inspect(1/2*1/2);
$f: inspect(2*2/2*2);
//$o: inspect(3px + 3px + 3px);
`
f, err := ParseFile(token.NewFileSet(), "", src, 0|Trace)
if err != nil {
t.Fatal(err)
}
lits := []string{
"4",
"3",
"1",
"4",
"0.5",
"0.25",
"4",
}
var pos int
ast.Inspect(f, func(n ast.Node) bool {
if call, ok := n.(*ast.CallExpr); ok {
// ident := call.Fun.(*ast.Ident)
lit := call.Resolved.(*ast.BasicLit)
val := lits[pos]
pos++
if val != lit.Value {
t.Errorf("useful ident here got: %s wanted %s", lit.Value, val)
}
}
return true
})
}
func TestUnitMath(t *testing.T) {
const src = `
$a: 3px + 3px;
div {
width: $a;
}
`
f, err := ParseFile(token.NewFileSet(), "", src, 0)
if err != nil {
t.Fatal(err)
}
objects := map[string]ast.ObjKind{
"$color": ast.Var,
"$list": ast.Var,
}
ast.Inspect(f, func(n ast.Node) bool {
if spec, ok := n.(*ast.RuleSpec); ok {
ast.Print(token.NewFileSet(), spec)
}
return true
if ident, ok := n.(*ast.Ident); ok {
return true
obj := ident.Obj
if obj == nil {
if objects[ident.Name] != ast.Bad {
t.Errorf("no object for %s", ident.Name)
}
return true
}
if obj.Name != ident.Name {
t.Errorf("names don't match: obj.Name = %s, ident.Name = %s", obj.Name, ident.Name)
}
kind := objects[ident.Name]
if obj.Kind != kind {
t.Errorf("%s: obj.Kind = %s; want %s", ident.Name, obj.Kind, kind)
}
}
return true
})
}
func TestObjects(t *testing.T) {
const src = `
$color: red;
$list: 1 2 $color;
`
f, err := ParseFile(token.NewFileSet(), "", src, 0)
if err != nil {
t.Fatal(err)
}
objects := map[string]ast.ObjKind{
"$color": ast.Var,
"$list": ast.Var,
}
ast.Inspect(f, func(n ast.Node) bool {
if ident, ok := n.(*ast.Ident); ok {
obj := ident.Obj
if obj == nil {
if objects[ident.Name] != ast.Bad {
t.Errorf("no object for %s", ident.Name)
}
return true
}
if obj.Name != ident.Name {
t.Errorf("names don't match: obj.Name = %s, ident.Name = %s", obj.Name, ident.Name)
}
kind := objects[ident.Name]
if obj.Kind != kind {
t.Errorf("%s: obj.Kind = %s; want %s", ident.Name, obj.Kind, kind)
}
}
return true
})
}