File: porterstemmer_step1a_test.go

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golang-github-blevesearch-go-porterstemmer 1.0.1%2Bgit20141230.9.23a2c8e-7
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package porterstemmer

import (
	"testing"
)

func TestStep1a(t *testing.T) {

	i := 0

	tests := make([]struct {
		S        []rune
		Expected []rune
	}, 12)

	tests[i].S = []rune("caresses")
	tests[i].Expected = []rune("caress")
	i++

	tests[i].S = []rune("ponies")
	tests[i].Expected = []rune("poni")
	i++

	tests[i].S = []rune("ties")
	tests[i].Expected = []rune("ti")
	i++

	tests[i].S = []rune("caress")
	tests[i].Expected = []rune("caress")
	i++

	tests[i].S = []rune("cats")
	tests[i].Expected = []rune("cat")
	i++

	for _, datum := range tests {
		for i = 0; i < len(datum.S); i++ {

			actual := make([]rune, len(datum.S))
			copy(actual, datum.S)

			actual = step1a(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 step1a() on [%s]. Expect [%s] but got [%s]", string(datum.S), string(datum.Expected), string(actual))
			}
		} // for
	}
}