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Changed to reflect new behavior of BBitmapStream, and prevent testing of buggy behavior in Be's BBitmapStream

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5212 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Matthew Wilber 2003-10-30 13:17:27 +00:00
parent c9cccf232a
commit 7206521bed
1 changed files with 22 additions and 6 deletions
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28
src/tests/kits/translation/BitmapStreamTest.cpp
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@ -260,15 +260,31 @@ BitmapStreamTest::ReadWriteTest()
NextSubTest();
CPPUNIT_ASSERT(stream.Size() ==
sizeof(TranslatorBitmap) + sheader.dataSize);
// Test reading zero bytes
NextSubTest();
CPPUNIT_ASSERT(stream.ReadAt(stream.Size(), &(chbuf[0]), 0) == 0);
CPPUNIT_ASSERT(stream.ReadAt(sheader.dataSize + 1000, &(chbuf[0]), 0) == 0);
CPPUNIT_ASSERT(stream.ReadAt(-1, &(chbuf[0]), 0) == 0);
// Read bitmap data
NextSubTest();
bytesLeft = sheader.dataSize;
nPos = sizeof(TranslatorBitmap);
while (bytesLeft--) {
CPPUNIT_ASSERT(stream.ReadAt(nPos++, &(chbuf[0]), 1) == 1);
CPPUNIT_ASSERT(chbuf[0] == byt);
}
#if !TEST_R5
// This test fails with Be's version because of a bug.
// Be's BBitmapStream::ReadAt() has strange behavior in cases
// where the pos parameter of ReadAt() is != BBitmapStream::Position().
// If BBitmapStream::Read() is used instead, it calls
// BBitmapStream::ReadAt() with pos = BBitmapStream::Position(),
// so, this issue is rarely a problem because Read() is most often used.
bytesLeft = sheader.dataSize;
nPos = sizeof(TranslatorBitmap);
while (bytesLeft--) {
chbuf[0] = 0x99;
ssize_t rd = stream.ReadAt(nPos++, &(chbuf[0]), 1);
CPPUNIT_ASSERT(rd == 1);
CPPUNIT_ASSERT(chbuf[0] == byt);
}
#endif
// Send erroneous and weird data to WriteAt()
NextSubTest();