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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/renderer/accessibility/annotations/ax_image_stopwords.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
TEST(AXImageStopwordsTest, EmptyStringIsAStopword) {
AXImageStopwords& stopwords = AXImageStopwords::GetInstance();
EXPECT_TRUE(stopwords.IsImageStopword(""));
}
TEST(AXImageStopwordsTest, English) {
AXImageStopwords& stopwords = AXImageStopwords::GetInstance();
EXPECT_TRUE(stopwords.IsImageStopword("the"));
EXPECT_TRUE(stopwords.IsImageStopword("http"));
EXPECT_TRUE(stopwords.IsImageStopword("for"));
EXPECT_TRUE(stopwords.IsImageStopword("with"));
EXPECT_TRUE(stopwords.IsImageStopword("background"));
EXPECT_TRUE(stopwords.IsImageStopword("sunday"));
EXPECT_TRUE(stopwords.IsImageStopword("november"));
EXPECT_FALSE(stopwords.IsImageStopword("cat"));
EXPECT_FALSE(stopwords.IsImageStopword("obama"));
EXPECT_FALSE(stopwords.IsImageStopword("heart"));
EXPECT_FALSE(stopwords.IsImageStopword("home"));
}
TEST(AXImageStopwordsTest, EnglishCaseInsensitive) {
AXImageStopwords& stopwords = AXImageStopwords::GetInstance();
EXPECT_TRUE(stopwords.IsImageStopword("the"));
EXPECT_TRUE(stopwords.IsImageStopword("THE"));
EXPECT_TRUE(stopwords.IsImageStopword("tHe"));
}
TEST(AXImageStopwordsTest, EnglishAllShortWordsAreStopwords) {
AXImageStopwords& stopwords = AXImageStopwords::GetInstance();
// One and two-letter words are always stopwords no matter what
// characters, as long as they're Latin characters.
EXPECT_TRUE(stopwords.IsImageStopword("q"));
EXPECT_TRUE(stopwords.IsImageStopword("I"));
EXPECT_TRUE(stopwords.IsImageStopword("ff"));
EXPECT_TRUE(stopwords.IsImageStopword("zU"));
// Three-letter words aren't stopwords unless they're in our set.
EXPECT_FALSE(stopwords.IsImageStopword("fff"));
EXPECT_FALSE(stopwords.IsImageStopword("GGG"));
}
TEST(AXImageStopwordsTest, French) {
AXImageStopwords& stopwords = AXImageStopwords::GetInstance();
EXPECT_TRUE(stopwords.IsImageStopword("les"));
EXPECT_TRUE(stopwords.IsImageStopword("BLANC"));
EXPECT_TRUE(stopwords.IsImageStopword("FÉVR"));
EXPECT_FALSE(stopwords.IsImageStopword("modèle"));
EXPECT_FALSE(stopwords.IsImageStopword("recettes"));
EXPECT_FALSE(stopwords.IsImageStopword("ciel"));
}
TEST(AXImageStopwordsTest, Italian) {
AXImageStopwords& stopwords = AXImageStopwords::GetInstance();
EXPECT_TRUE(stopwords.IsImageStopword("con"));
EXPECT_TRUE(stopwords.IsImageStopword("PIÙ"));
EXPECT_TRUE(stopwords.IsImageStopword("Immagini"));
EXPECT_FALSE(stopwords.IsImageStopword("montagna"));
EXPECT_FALSE(stopwords.IsImageStopword("pubblico"));
EXPECT_FALSE(stopwords.IsImageStopword("Cultura"));
}
TEST(AXImageStopwordsTest, German) {
AXImageStopwords& stopwords = AXImageStopwords::GetInstance();
EXPECT_TRUE(stopwords.IsImageStopword("und"));
EXPECT_TRUE(stopwords.IsImageStopword("FÜR"));
EXPECT_TRUE(stopwords.IsImageStopword("sprüche"));
EXPECT_FALSE(stopwords.IsImageStopword("haus"));
EXPECT_FALSE(stopwords.IsImageStopword("gesichter"));
EXPECT_FALSE(stopwords.IsImageStopword("Deutsche"));
}
TEST(AXImageStopwordsTest, Spanish) {
AXImageStopwords& stopwords = AXImageStopwords::GetInstance();
EXPECT_TRUE(stopwords.IsImageStopword("con"));
EXPECT_TRUE(stopwords.IsImageStopword("MÁS"));
EXPECT_TRUE(stopwords.IsImageStopword("enero"));
EXPECT_FALSE(stopwords.IsImageStopword("tortuga"));
EXPECT_FALSE(stopwords.IsImageStopword("flores"));
EXPECT_FALSE(stopwords.IsImageStopword("actividades"));
}
TEST(AXImageStopwordsTest, Hindi) {
AXImageStopwords& stopwords = AXImageStopwords::GetInstance();
EXPECT_TRUE(stopwords.IsImageStopword("रहे"));
EXPECT_TRUE(stopwords.IsImageStopword("चित्र"));
EXPECT_TRUE(stopwords.IsImageStopword("वीडियो"));
EXPECT_FALSE(stopwords.IsImageStopword("जानिए"));
EXPECT_FALSE(stopwords.IsImageStopword("भारतीय"));
}
TEST(AXImageStopwordsTest, HindiShortWordsAreStopwords) {
AXImageStopwords& stopwords = AXImageStopwords::GetInstance();
// All Hindi words with two or fewer unicode codepoints are stopwords.
// Note that these appear to have just one glyph, but they're encoded
// as two codepoints, a consonant and a vowel.
EXPECT_TRUE(stopwords.IsImageStopword("की")); // "of"
EXPECT_TRUE(stopwords.IsImageStopword("में")); // "in"
// Some two-character Hindi words are stopwords, they're in our set.
EXPECT_TRUE(stopwords.IsImageStopword("एक")); // "one"
// Other two-character Hindi words are not stopwords.
EXPECT_FALSE(stopwords.IsImageStopword("सदा")); // "always"
EXPECT_FALSE(stopwords.IsImageStopword("खाना")); // "food"
}
} // namespace content
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