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#include "Common/KmerIterator.h"
#include <gtest/gtest.h>
TEST(KmerIteratorTest, NoIllegalChars)
{
unsigned k = 3;
Kmer::setLength(k);
KmerIterator i("AGCTA", k);
ASSERT_EQ(Kmer("AGC"), *i);
i++;
ASSERT_EQ(Kmer("GCT"), *i);
i++;
ASSERT_EQ(Kmer("CTA"), *i);
i++;
ASSERT_EQ(KmerIterator::end(), i);
}
TEST(KmerIteratorTest, IllegalChars)
{
unsigned k = 3;
Kmer::setLength(k);
KmerIterator i("AGCTNTAG", k);
ASSERT_EQ(Kmer("AGC"), *i);
i++;
ASSERT_EQ(Kmer("GCT"), *i);
i++;
ASSERT_EQ(Kmer("TAG"), *i);
i++;
ASSERT_EQ(KmerIterator::end(), i);
}
TEST(KmerIteratorTest, SeqLengthOneLessThanK)
{
unsigned k = 3;
Kmer::setLength(k);
KmerIterator i("AG", k);
ASSERT_EQ(KmerIterator::end(), i);
}
TEST(KmerIteratorTest, SeqLengthMuchLessThanK)
{
unsigned k = 10;
Kmer::setLength(k);
KmerIterator i("AG", k);
ASSERT_EQ(KmerIterator::end(), i);
}
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