public int readShort() { int o = offset; int result = dexBuf.readShort(offset); offset = o + 2; return result; }
public int readShort() { int o = offset; int result = dexBuf.readShort(offset); offset = o + 2; return result; }
public int readShort() { int o = offset; int result = dexBuf.readShort(offset); offset = o + 2; return result; }
public int readShort(int offset) { return dexBuf.readShort(offset); } public int readByte(int offset) { return dexBuf.readByte(offset); }
public int readShort(int offset) { return dexBuf.readShort(offset); } public int readByte(int offset) { return dexBuf.readByte(offset); }
public int readShort(int offset) { return dexBuf.readShort(offset); }
@Test public void testReadShort() { BaseDexBuffer dexBuf = new BaseDexBuffer(new byte[] {0x11, 0x22}); Assert.assertEquals(dexBuf.readShort(0), 0x2211); dexBuf = new BaseDexBuffer(new byte[] {0x00, 0x00}); Assert.assertEquals(dexBuf.readShort(0), 0); dexBuf = new BaseDexBuffer(new byte[] {(byte)0xff, (byte)0xff}); Assert.assertEquals(dexBuf.readShort(0), -1); dexBuf = new BaseDexBuffer(new byte[] {(byte)0x00, (byte)0x80}); Assert.assertEquals(dexBuf.readShort(0), Short.MIN_VALUE); dexBuf = new BaseDexBuffer(new byte[] {(byte)0xff, (byte)0x7f}); Assert.assertEquals(dexBuf.readShort(0), 0x7fff); dexBuf = new BaseDexBuffer(new byte[] {(byte)0xff, (byte)0x80}); Assert.assertEquals(dexBuf.readShort(0), 0xffff80ff); }
@Test public void testReadRandom() { Random r = new Random(1234567890); ByteBuffer byteBuf = ByteBuffer.allocateDirect(4).order(ByteOrder.LITTLE_ENDIAN); byte[] buf = new byte[4]; BaseDexBuffer dexBuf = new BaseDexBuffer(buf); for (int i=0; i<10000; i++) { int val = r.nextInt(); byteBuf.putInt(0, val); byteBuf.position(0); byteBuf.get(buf); boolean expectException = val < 0; try { int returnedVal = dexBuf.readSmallUint(0); Assert.assertFalse(String.format("Didn't throw an exception for value: %x", val), expectException); Assert.assertEquals(val, returnedVal); } catch (Exception ex) { Assert.assertTrue(String.format("Threw an exception for value: %x", val), expectException); } Assert.assertEquals(val, dexBuf.readInt(0)); Assert.assertEquals(val & 0xFFFF, dexBuf.readUshort(0)); Assert.assertEquals((val >> 8) & 0xFFFF, dexBuf.readUshort(1)); Assert.assertEquals((val >> 16) & 0xFFFF, dexBuf.readUshort(2)); Assert.assertEquals((short)val, dexBuf.readShort(0)); Assert.assertEquals((short)(val >> 8), dexBuf.readShort(1)); Assert.assertEquals((short)(val >> 16), dexBuf.readShort(2)); } }