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|
package dfa
import (
"fmt"
"testing"
)
func TestNewSymbolPosition(t *testing.T) {
tests := []struct {
n uint16
endMark bool
err bool
}{
{
n: 0,
endMark: false,
err: true,
},
{
n: 0,
endMark: true,
err: true,
},
{
n: symbolPositionMin - 1,
endMark: false,
err: true,
},
{
n: symbolPositionMin - 1,
endMark: true,
err: true,
},
{
n: symbolPositionMin,
endMark: false,
},
{
n: symbolPositionMin,
endMark: true,
},
{
n: symbolPositionMax,
endMark: false,
},
{
n: symbolPositionMax,
endMark: true,
},
{
n: symbolPositionMax + 1,
endMark: false,
err: true,
},
{
n: symbolPositionMax + 1,
endMark: true,
err: true,
},
}
for i, tt := range tests {
t.Run(fmt.Sprintf("#%v n: %v, endMark: %v", i, tt.n, tt.endMark), func(t *testing.T) {
pos, err := newSymbolPosition(tt.n, tt.endMark)
if tt.err {
if err == nil {
t.Fatal("err is nil")
}
return
}
if err != nil {
t.Fatal(err)
}
n, endMark := pos.describe()
if n != tt.n || endMark != tt.endMark {
t.Errorf("unexpected symbol position: want: n: %v, endMark: %v, got: n: %v, endMark: %v", tt.n, tt.endMark, n, endMark)
}
})
}
}
|
