public void TestCircularBufferMatchesBytePattern()
{
byte[] testBytes = new byte[]
{
0x00, 0x01, 0x02, 0x03, 0x04
};
Assert.IsTrue(GifFormatChecker.CircularBufferMatchesBytePattern(testBytes, 0, testBytes));
for (int i = 1; i < testBytes.Length; i++)
{
Assert.IsFalse(GifFormatChecker.CircularBufferMatchesBytePattern(testBytes, i, testBytes));
}
byte[] testInnerBytes = new byte[]
{
0x01, 0x02
};
Assert.IsTrue(GifFormatChecker.CircularBufferMatchesBytePattern(testBytes, 1, testInnerBytes));
for (int i = 2; i < testBytes.Length; i++)
{
Assert.IsFalse(GifFormatChecker.CircularBufferMatchesBytePattern(
testBytes, i, testInnerBytes));
}
byte[] testCircularBytes = new byte[] { (byte)0x04, (byte)0x00 };
Assert.IsTrue(GifFormatChecker.CircularBufferMatchesBytePattern(
testBytes, 4, testCircularBytes));
for (int i = 0; i < 4; i++)
{
Assert.IsFalse(GifFormatChecker.CircularBufferMatchesBytePattern(
testBytes, i, testCircularBytes));
}
}
private async Task SingleAnimatedGifTest(
IList <string> resourceNames,
bool expectedAnimated)
{
foreach (string name in resourceNames)
{
Stream resourceStream = await GetResourceStream(name);
try
{
Assert.AreEqual(
expectedAnimated,
GifFormatChecker.IsAnimated(resourceStream),
"failed with resource: " + name);
}
finally
{
resourceStream.Dispose();
}
}
}
