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porterstemmer_step4_test.go
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porterstemmer_step4_test.go
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package porterstemmer
import (
"testing"
)
func TestStep4(t *testing.T) {
i := 0
tests := make([]struct {
S []rune
Expected []rune
}, 20)
tests[i].S = []rune("revival")
tests[i].Expected = []rune("reviv")
i++
tests[i].S = []rune("allowance")
tests[i].Expected = []rune("allow")
i++
tests[i].S = []rune("inference")
tests[i].Expected = []rune("infer")
i++
tests[i].S = []rune("airliner")
tests[i].Expected = []rune("airlin")
i++
tests[i].S = []rune("gyroscopic")
tests[i].Expected = []rune("gyroscop")
i++
tests[i].S = []rune("adjustable")
tests[i].Expected = []rune("adjust")
i++
tests[i].S = []rune("defensible")
tests[i].Expected = []rune("defens")
i++
tests[i].S = []rune("irritant")
tests[i].Expected = []rune("irrit")
i++
tests[i].S = []rune("replacement")
tests[i].Expected = []rune("replac")
i++
tests[i].S = []rune("adjustment")
tests[i].Expected = []rune("adjust")
i++
tests[i].S = []rune("dependent")
tests[i].Expected = []rune("depend")
i++
tests[i].S = []rune("adoption")
tests[i].Expected = []rune("adopt")
i++
tests[i].S = []rune("homologou")
tests[i].Expected = []rune("homolog")
i++
tests[i].S = []rune("communism")
tests[i].Expected = []rune("commun")
i++
tests[i].S = []rune("activate")
tests[i].Expected = []rune("activ")
i++
tests[i].S = []rune("angulariti")
tests[i].Expected = []rune("angular")
i++
tests[i].S = []rune("homologous")
tests[i].Expected = []rune("homolog")
i++
tests[i].S = []rune("effective")
tests[i].Expected = []rune("effect")
i++
tests[i].S = []rune("bowdlerize")
tests[i].Expected = []rune("bowdler")
i++
for _,datum := range tests {
actual := make([]rune, len(datum.S))
copy(actual, datum.S)
actual = step4(actual)
lenActual := len(actual)
lenExpected := len(datum.Expected)
equal := true
if 0 == lenActual && 0 == lenExpected {
equal = true
} else if lenActual != lenExpected {
equal = false
} else if actual[0] != datum.Expected[0] {
equal = false
} else if actual[lenActual-1] != datum.Expected[lenExpected-1] {
equal = false
} else {
for j := 0 ; j < lenActual ; j++ {
if actual[j] != datum.Expected[j] {
equal = false
}
}
}
if !equal {
t.Errorf("Did NOT get what was expected for calling step4() on [%s]. Expect [%s] but got [%s]", string(datum.S), string(datum.Expected), string(actual))
}
}
}