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Fix defect in ByteVectorStream::seek when Position==End.

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This commit is contained in:
Kevin André
2016-09-15 16:30:16 +02:00
parent 1d3c95f692
commit 7e90313690
2 changed files with 15 additions and 1 deletions
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14
tests/test_bytevectorstream.cpp
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@ -38,6 +38,7 @@ class TestByteVectorStream : public CppUnit::TestFixture
CPPUNIT_TEST(testReadBlock);
CPPUNIT_TEST(testRemoveBlock);
CPPUNIT_TEST(testInsert);
CPPUNIT_TEST(testSeekEnd);
CPPUNIT_TEST_SUITE_END();
public:
@ -112,6 +113,19 @@ public:
CPPUNIT_ASSERT_EQUAL(ByteVector("yyx123foa"), *stream.data());
}
void testSeekEnd()
{
ByteVector v("abcdefghijklmnopqrstuvwxyz");
ByteVectorStream stream(v);
CPPUNIT_ASSERT_EQUAL(26L, stream.length());
stream.seek(-4, IOStream::End);
CPPUNIT_ASSERT_EQUAL(ByteVector("w"), stream.readBlock(1));
stream.seek(-25, IOStream::End);
CPPUNIT_ASSERT_EQUAL(ByteVector("b"), stream.readBlock(1));
}
};
CPPUNIT_TEST_SUITE_REGISTRATION(TestByteVectorStream);