blob: bdc94fb7deec30953dd29d329c77f0c5728e49b2 [file] [log] [blame]
package main
import (
"reflect"
"testing"
)
func TestParseExpr(t *testing.T) {
for _, tc := range []struct {
in string
args []string
rest string
isErr bool
}{
{
in: "foo",
isErr: true,
},
{
in: "(foo)",
args: []string{"foo"},
},
{
in: "{foo}",
args: []string{"foo"},
},
{
in: "(lhs,rhs)",
args: []string{"lhs", "rhs"},
},
{
in: "(subst $(space),$(,),$(foo))/bar",
args: []string{"subst $(space)", "$(,)", "$(foo)"},
rest: "/bar",
},
} {
args, rest, err := parseExpr(tc.in)
if tc.isErr {
if err == nil {
t.Errorf(`parseExpr(%q)=_, _, nil; want error`, tc.in)
}
continue
}
if err != nil {
t.Errorf(`parseExpr(%q)=_, _, %v; want nil error`, tc.in, err)
continue
}
if got, want := args, tc.args; !reflect.DeepEqual(got, want) {
t.Errorf(`parseExpr(%q)=%q, _, _; want %q, _, _`, tc.in, got, want)
} else if got, want := tc.in[rest:], tc.rest; got != want {
t.Errorf(`parseExpr(%q)=_, %q, _; want _, %q, _`, tc.in, got, want)
}
}
}