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Merge pull request #580 from TsudaKageyu/negative-seek

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Fix inconsistent negative seek behavior between Linux and Windows.
This commit is contained in:
Tsuda Kageyu
2015-08-07 01:32:26 +09:00
parent ec3d050adc 642baca4ed
commit 173c58cf49
2 changed files with 29 additions and 7 deletions
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25
tests/test_file.cpp
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@ -40,6 +40,7 @@ class TestFile : public CppUnit::TestFixture
CPPUNIT_TEST_SUITE(TestFile);
CPPUNIT_TEST(testFindInSmallFile);
CPPUNIT_TEST(testRFindInSmallFile);
CPPUNIT_TEST(testSeek);
CPPUNIT_TEST_SUITE_END();
public:
@ -100,6 +101,30 @@ public:
}
}
void testSeek()
{
ScopedFileCopy copy("empty", ".ogg");
std::string name = copy.fileName();
PlainFile f(name.c_str());
CPPUNIT_ASSERT_EQUAL((long)0, f.tell());
CPPUNIT_ASSERT_EQUAL((long)4328, f.length());
f.seek(100, File::Beginning);
CPPUNIT_ASSERT_EQUAL((long)100, f.tell());
f.seek(100, File::Current);
CPPUNIT_ASSERT_EQUAL((long)200, f.tell());
f.seek(-300, File::Current);
CPPUNIT_ASSERT_EQUAL((long)200, f.tell());
f.seek(-100, File::End);
CPPUNIT_ASSERT_EQUAL((long)4228, f.tell());
f.seek(-100, File::Current);
CPPUNIT_ASSERT_EQUAL((long)4128, f.tell());
f.seek(300, File::Current);
CPPUNIT_ASSERT_EQUAL((long)4428, f.tell());
}
};
CPPUNIT_TEST_SUITE_REGISTRATION(TestFile);