/**
* Maps blah file with a random offset and checks to see if read from the ByteBuffer gets the
* right line number
*/
private static void testRead() throws Exception {
StringBuilder sb = new StringBuilder();
sb.setLength(4);
for (int x = 0; x < 1000; x++) {
try (FileInputStream fis = new FileInputStream(blah)) {
FileChannel fc = fis.getChannel();
long offset = generator.nextInt(10000);
long expectedResult = offset / CHARS_PER_LINE;
offset = expectedResult * CHARS_PER_LINE;
MappedByteBuffer b = fc.map(MapMode.READ_ONLY, offset, 100);
for (int i = 0; i < 4; i++) {
byte aByte = b.get(i);
sb.setCharAt(i, (char) aByte);
}
int result = Integer.parseInt(sb.toString());
if (result != expectedResult) {
err.println("I expected " + expectedResult);
err.println("I got " + result);
throw new Exception("Read test failed");
}
}
}
}
private boolean printIfRecognized(PrintStream tty, int flags, int flag, String what) {
if ((flags & flag) != 0) {
tty.println(what);
return true;
}
return false;
}
public static void main(String[] args) throws Exception {
blah = File.createTempFile("blah", null);
blah.deleteOnExit();
initTestFile(blah);
try {
out.println("Test file " + blah + " initialized");
testZero();
out.println("Zero size: OK");
testRead();
out.println("Read: OK");
testWrite();
out.println("Write: OK");
testHighOffset();
out.println("High offset: OK");
testExceptions();
out.println("Exceptions: OK");
} finally {
blah.delete();
}
}
public void debugPrint() {
PrintStream tty = System.err;
tty.println("Compressed texture: " + isCompressed());
if (isCompressed()) {
int fmt = getCompressionFormat();
String name = getCompressionFormatName(fmt);
tty.println("Compression format: 0x" + Integer.toHexString(fmt) + " (" + name + ")");
}
tty.println("Width: " + header.width + " Height: " + header.height);
tty.println("header.pitchOrLinearSize: " + header.pitchOrLinearSize);
tty.println("header.pfRBitMask: 0x" + Integer.toHexString(header.pfRBitMask));
tty.println("header.pfGBitMask: 0x" + Integer.toHexString(header.pfGBitMask));
tty.println("header.pfBBitMask: 0x" + Integer.toHexString(header.pfBBitMask));
tty.println("SurfaceDesc flags:");
boolean recognizedAny = false;
recognizedAny |= printIfRecognized(tty, header.flags, DDSD_CAPS, "DDSD_CAPS");
recognizedAny |= printIfRecognized(tty, header.flags, DDSD_HEIGHT, "DDSD_HEIGHT");
recognizedAny |= printIfRecognized(tty, header.flags, DDSD_WIDTH, "DDSD_WIDTH");
recognizedAny |= printIfRecognized(tty, header.flags, DDSD_PITCH, "DDSD_PITCH");
recognizedAny |=
printIfRecognized(tty, header.flags, DDSD_BACKBUFFERCOUNT, "DDSD_BACKBUFFERCOUNT");
recognizedAny |=
printIfRecognized(tty, header.flags, DDSD_ZBUFFERBITDEPTH, "DDSD_ZBUFFERBITDEPTH");
recognizedAny |= printIfRecognized(tty, header.flags, DDSD_ALPHABITDEPTH, "DDSD_ALPHABITDEPTH");
recognizedAny |= printIfRecognized(tty, header.flags, DDSD_LPSURFACE, "DDSD_LPSURFACE");
recognizedAny |= printIfRecognized(tty, header.flags, DDSD_PIXELFORMAT, "DDSD_PIXELFORMAT");
recognizedAny |= printIfRecognized(tty, header.flags, DDSD_MIPMAPCOUNT, "DDSD_MIPMAPCOUNT");
recognizedAny |= printIfRecognized(tty, header.flags, DDSD_LINEARSIZE, "DDSD_LINEARSIZE");
recognizedAny |= printIfRecognized(tty, header.flags, DDSD_DEPTH, "DDSD_DEPTH");
if (!recognizedAny) {
tty.println("(none)");
}
tty.println("Raw SurfaceDesc flags: 0x" + Integer.toHexString(header.flags));
tty.println("Pixel format flags:");
recognizedAny = false;
recognizedAny |= printIfRecognized(tty, header.pfFlags, DDPF_ALPHAPIXELS, "DDPF_ALPHAPIXELS");
recognizedAny |= printIfRecognized(tty, header.pfFlags, DDPF_ALPHA, "DDPF_ALPHA");
recognizedAny |= printIfRecognized(tty, header.pfFlags, DDPF_FOURCC, "DDPF_FOURCC");
recognizedAny |=
printIfRecognized(tty, header.pfFlags, DDPF_PALETTEINDEXED4, "DDPF_PALETTEINDEXED4");
recognizedAny |=
printIfRecognized(tty, header.pfFlags, DDPF_PALETTEINDEXEDTO8, "DDPF_PALETTEINDEXEDTO8");
recognizedAny |=
printIfRecognized(tty, header.pfFlags, DDPF_PALETTEINDEXED8, "DDPF_PALETTEINDEXED8");
recognizedAny |= printIfRecognized(tty, header.pfFlags, DDPF_RGB, "DDPF_RGB");
recognizedAny |= printIfRecognized(tty, header.pfFlags, DDPF_COMPRESSED, "DDPF_COMPRESSED");
recognizedAny |= printIfRecognized(tty, header.pfFlags, DDPF_RGBTOYUV, "DDPF_RGBTOYUV");
recognizedAny |= printIfRecognized(tty, header.pfFlags, DDPF_YUV, "DDPF_YUV");
recognizedAny |= printIfRecognized(tty, header.pfFlags, DDPF_ZBUFFER, "DDPF_ZBUFFER");
recognizedAny |=
printIfRecognized(tty, header.pfFlags, DDPF_PALETTEINDEXED1, "DDPF_PALETTEINDEXED1");
recognizedAny |=
printIfRecognized(tty, header.pfFlags, DDPF_PALETTEINDEXED2, "DDPF_PALETTEINDEXED2");
recognizedAny |= printIfRecognized(tty, header.pfFlags, DDPF_ZPIXELS, "DDPF_ZPIXELS");
if (!recognizedAny) {
tty.println("(none)");
}
tty.println("Raw pixel format flags: 0x" + Integer.toHexString(header.pfFlags));
tty.println("Depth: " + getDepth());
tty.println("Number of mip maps: " + getNumMipMaps());
int fmt = getPixelFormat();
tty.print("Pixel format: ");
switch (fmt) {
case D3DFMT_R8G8B8:
tty.println("D3DFMT_R8G8B8");
break;
case D3DFMT_A8R8G8B8:
tty.println("D3DFMT_A8R8G8B8");
break;
case D3DFMT_X8R8G8B8:
tty.println("D3DFMT_X8R8G8B8");
break;
case D3DFMT_DXT1:
tty.println("D3DFMT_DXT1");
break;
case D3DFMT_DXT2:
tty.println("D3DFMT_DXT2");
break;
case D3DFMT_DXT3:
tty.println("D3DFMT_DXT3");
break;
case D3DFMT_DXT4:
tty.println("D3DFMT_DXT4");
break;
case D3DFMT_DXT5:
tty.println("D3DFMT_DXT5");
break;
case D3DFMT_UNKNOWN:
tty.println("D3DFMT_UNKNOWN");
break;
default:
tty.println("(unknown pixel format " + fmt + ")");
break;
}
}