2014-08-12 04:29:47 +02:00
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// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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2014-09-02 16:54:50 +02:00
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2014-08-14 03:14:47 +02:00
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package hi
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2014-08-12 04:29:47 +02:00
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import (
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"reflect"
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"testing"
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2014-08-28 21:38:57 +02:00
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"github.com/blevesearch/bleve/analysis"
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2014-08-12 04:29:47 +02:00
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)
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func TestHindiStemmerFilter(t *testing.T) {
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tests := []struct {
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input analysis.TokenStream
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output analysis.TokenStream
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}{
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// masc noun inflections
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("लडका"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("लडक"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("लडके"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("लडक"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("लडकों"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("लडक"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("गुरु"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("गुर"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("गुरुओं"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("गुर"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("दोस्त"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("दोस्त"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("दोस्तों"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("दोस्त"),
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},
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},
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},
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// feminine noun inflections
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("लडकी"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("लडक"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("लडकियों"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("लडक"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("किताब"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("किताब"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("किताबें"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("किताब"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("किताबों"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("किताब"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("आध्यापीका"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("आध्यापीक"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("आध्यापीकाएं"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("आध्यापीक"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("आध्यापीकाओं"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("आध्यापीक"),
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},
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},
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},
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// some verb forms
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("खाना"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("खा"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("खाता"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("खा"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("खाती"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("खा"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("खा"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("खा"),
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},
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},
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},
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// exceptions
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("कठिनाइयां"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("कठिन"),
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},
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},
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},
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("कठिन"),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte("कठिन"),
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},
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},
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},
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// empty
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{
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input: analysis.TokenStream{
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&analysis.Token{
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Term: []byte(""),
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},
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},
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output: analysis.TokenStream{
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&analysis.Token{
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Term: []byte(""),
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},
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},
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},
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}
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hindiStemmerFilter := NewHindiStemmerFilter()
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for _, test := range tests {
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actual := hindiStemmerFilter.Filter(test.input)
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if !reflect.DeepEqual(actual, test.output) {
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t.Errorf("expected %#v, got %#v", test.output, actual)
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t.Errorf("expected % x, got % x", test.output[0].Term, actual[0].Term)
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}
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}
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}
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