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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/spellcheck/browser/word_trimmer.h"
#include <stddef.h>
#include "base/strings/utf_string_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::ASCIIToUTF16;
TEST(WordTrimmerTest, TrimWordsEmptyText) {
size_t start = 0;
size_t end = 0;
EXPECT_EQ(base::string16(), TrimWords(&start, end, base::string16(), 0));
EXPECT_EQ(0UL, start);
}
TEST(WordTrimmerTest, TrimWordsStart) {
size_t start = 0;
size_t end = 3;
EXPECT_EQ(ASCIIToUTF16("one two three"),
TrimWords(&start, end, ASCIIToUTF16("one two three four"), 2));
EXPECT_EQ(0UL, start);
}
TEST(WordTrimmerTest, TrimWordsEnd) {
size_t start = 14;
size_t end = 18;
EXPECT_EQ(ASCIIToUTF16("two three four"),
TrimWords(&start, end, ASCIIToUTF16("one two three four"), 2));
EXPECT_EQ(10UL, start);
}
TEST(WordTrimmerTest, TrimWordsMiddle) {
size_t start = 14;
size_t end = 23;
EXPECT_EQ(ASCIIToUTF16("two three four five six seven"), TrimWords(
&start, end, ASCIIToUTF16("one two three four five six seven eight"), 2));
EXPECT_EQ(10UL, start);
}
TEST(WordTrimmerTest, TrimWordsEmptyKeep) {
size_t start = 18;
size_t end = 18;
EXPECT_EQ(ASCIIToUTF16("two three four five six"), TrimWords(
&start, end, ASCIIToUTF16("one two three four five six seven eight"), 2));
EXPECT_EQ(14UL, start);
}
TEST(WordTrimmerTest, TrimWordsOutOfBounds) {
size_t start = 4;
size_t end = 5;
EXPECT_EQ(ASCIIToUTF16("one"), TrimWords(
&start, end, ASCIIToUTF16("one"), 2));
EXPECT_EQ(4UL, start);
}
TEST(WordTrimmerTest, TrimWordsInvalid) {
size_t start = 23;
size_t end = 14;
EXPECT_EQ(ASCIIToUTF16("one two three four five six seven eight"), TrimWords(
&start, end, ASCIIToUTF16("one two three four five six seven eight"), 2));
EXPECT_EQ(23UL, start);
}
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