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package ast
import (
"testing"
)
func TestNameIndex(t *testing.T) {
tests := []struct {
name string
index int
}{
{"ILLEGAL", V_ILLEGAL},
{"ARGC", V_ARGC},
{"CONVFMT", V_CONVFMT},
{"FILENAME", V_FILENAME},
{"FNR", V_FNR},
{"FS", V_FS},
{"INPUTMODE", V_INPUTMODE},
{"NF", V_NF},
{"NR", V_NR},
{"OFMT", V_OFMT},
{"OFS", V_OFS},
{"ORS", V_ORS},
{"OUTPUTMODE", V_OUTPUTMODE},
{"RLENGTH", V_RLENGTH},
{"RS", V_RS},
{"RSTART", V_RSTART},
{"RT", V_RT},
{"SUBSEP", V_SUBSEP},
{"<unknown special var 42>", 42},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
name := SpecialVarName(test.index)
if name != test.name {
t.Errorf("got %q, want %q", name, test.name)
}
if test.index <= V_LAST {
index := SpecialVarIndex(test.name)
if index != test.index {
t.Errorf("got %d, want %d", index, test.index)
}
}
})
}
}
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