Bitfield: Reuse [BitstreamData -> BitDemoData] for unit tests

1 files changed, 179 insertions, 0 deletions

diff --git a/src/junit/com/jogamp/common/util/BitDemoData.java b/src/junit/com/jogamp/common/util/BitDemoData.java
new file mode 100644
index 0000000..9d605fc
--- /dev/null
+++ b/src/junit/com/jogamp/common/util/BitDemoData.java
@@ -0,0 +1,179 @@
+/**
+ * Copyright 2014 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package com.jogamp.common.util;
+
+import java.nio.ByteBuffer;
+
+public class BitDemoData {
+    public static final long UNSIGNED_INT_MAX_VALUE = 0xffffffffL;
+
+    public static final String[] pyramid32bit_one = {
+                                               "00000000000000000000000000000001",
+                                               "00000000000000000000000000000010",
+                                               "00000000000000000000000000000100",
+                                               "00000000000000000000000000001000",
+                                               "00000000000000000000000000010000",
+                                               "00000000000000000000000000100000",
+                                               "00000000000000000000000001000000",
+                                               "00000000000000000000000010000000",
+                                               "00000000000000000000000100000000",
+                                               "00000000000000000000001000000000",
+                                               "00000000000000000000010000000000",
+                                               "00000000000000000000100000000000",
+                                               "00000000000000000001000000000000",
+                                               "00000000000000000010000000000000",
+                                               "00000000000000000100000000000000",
+                                               "00000000000000001000000000000000",
+                                               "00000000000000010000000000000000",
+                                               "00000000000000100000000000000000",
+                                               "00000000000001000000000000000000",
+                                               "00000000000010000000000000000000",
+                                               "00000000000100000000000000000000",
+                                               "00000000001000000000000000000000",
+                                               "00000000010000000000000000000000",
+                                               "00000000100000000000000000000000",
+                                               "00000001000000000000000000000000",
+                                               "00000010000000000000000000000000",
+                                               "00000100000000000000000000000000",
+                                               "00001000000000000000000000000000",
+                                               "00010000000000000000000000000000",
+                                               "00100000000000000000000000000000",
+                                               "01000000000000000000000000000000",
+                                               "10000000000000000000000000000000"
+                                             };
+
+    //
+    // MSB -> LSB over whole data
+    //
+    public static final byte[] testBytesMSB = new byte[] { (byte)0xde, (byte)0xaf, (byte)0xca, (byte)0xfe };
+    public static final int testIntMSB = 0xdeafcafe; //           11011110    10101111    11001010    11111110
+    public static final String[] testStringsMSB = new String[] { "11011110", "10101111", "11001010", "11111110" };
+    public static final String testStringMSB = testStringsMSB[0]+testStringsMSB[1]+testStringsMSB[2]+testStringsMSB[3];
+
+    //
+    // MSB -> LSB, reverse bit-order over each byte of testBytesLSB
+    //
+    public static final byte[] testBytesMSB_rev = new byte[] { (byte)0xfe, (byte)0xca, (byte)0xaf, (byte)0xde };
+    public static final int testIntMSB_rev = 0xfecaafde;
+    public static final String[] testStringsMSB_rev = new String[] { "11111110", "11001010", "10101111", "11011110" };
+    public static final String testStringMSB_rev = testStringsMSB_rev[0]+testStringsMSB_rev[1]+testStringsMSB_rev[2]+testStringsMSB_rev[3];
+
+    //
+    // LSB -> MSB over whole data
+    //
+    public static final byte[] testBytesLSB = new byte[] { (byte)0x7f, (byte)0x53, (byte)0xf5, (byte)0x7b };
+    public static final int testIntLSB = 0x7f53f57b;
+    public static final String[] testStringsLSB = new String[] { "01111111", "01010011", "11110101", "01111011" };
+    public static final String testStringLSB = testStringsLSB[0]+testStringsLSB[1]+testStringsLSB[2]+testStringsLSB[3];
+
+    //
+    // LSB -> MSB, reverse bit-order over each byte of testBytesMSB
+    //
+    public static final byte[] testBytesLSB_revByte = new byte[] { (byte)0x7b, (byte)0xf5, (byte)0x53, (byte)0x7f };
+    public static final int testIntLSB_revByte = 0x7bf5537f;
+    public static final String[] testStringsLSB_revByte = new String[] { "01111011", "11110101", "01010011", "01111111" };
+    public static final String testStringLSB_revByte = testStringsLSB_revByte[0]+testStringsLSB_revByte[1]+testStringsLSB_revByte[2]+testStringsLSB_revByte[3];
+
+    public static final void dumpData(final String prefix, final byte[] data, final int offset, final int len) {
+        for(int i=0; i<len; ) {
+            System.err.printf("%s: %03d: ", prefix, i);
+            for(int j=0; j<8 && i<len; j++, i++) {
+                final int v = 0xFF & data[offset+i];
+                System.err.printf(toHexBinaryString(v, 8)+", ");
+            }
+            System.err.println("");
+        }
+    }
+    public static final void dumpData(final String prefix, final ByteBuffer data, final int offset, final int len) {
+        for(int i=0; i<len; ) {
+            System.err.printf("%s: %03d: ", prefix, i);
+            for(int j=0; j<8 && i<len; j++, i++) {
+                final int v = 0xFF & data.get(offset+i);
+                System.err.printf(toHexBinaryString(v, 8)+", ");
+            }
+            System.err.println("");
+        }
+    }
+
+    public static int getOneBitCount(final String pattern) {
+        int c=0;
+        for(int i=0; i<pattern.length(); i++) {
+            if( '1' == pattern.charAt(i) ) {
+                c++;
+            }
+        }
+        return c;
+    }
+    public static long toLong(final String bitPattern) {
+        return Long.valueOf(bitPattern, 2).longValue();
+    }
+    public static int toInteger(final String bitPattern) {
+        final long res = Long.valueOf(bitPattern, 2).longValue();
+        if( res > UNSIGNED_INT_MAX_VALUE ) {
+            throw new NumberFormatException("Exceeds "+toHexString(UNSIGNED_INT_MAX_VALUE)+": "+toHexString(res)+" - source "+bitPattern);
+        }
+        return (int)res;
+    }
+
+    public static String toHexString(final int v) {
+        return "0x"+Integer.toHexString(v);
+    }
+    public static String toHexString(final long v) {
+        return "0x"+Long.toHexString(v);
+    }
+    public static final String strZeroPadding=  "0000000000000000000000000000000000000000000000000000000000000000"; // 64
+    public static String toBinaryString(final int v, final int bitCount) {
+        if( 0 == bitCount ) {
+            return "";
+        }
+        final int mask = (int) ( ( 1L << bitCount ) - 1L );
+        final String s0 = Integer.toBinaryString( mask & v );
+        return strZeroPadding.substring(0, bitCount-s0.length())+s0;
+    }
+    public static String toBinaryString(final long v, final int bitCount) {
+        if( 0 == bitCount ) {
+            return "";
+        }
+        final long mask = ( 1L << bitCount ) - 1L;
+        final String s0 = Long.toBinaryString( mask & v );
+        return strZeroPadding.substring(0, bitCount-s0.length())+s0;
+    }
+    public static String toHexBinaryString(final long v, final int bitCount) {
+        final int nibbles = 0 == bitCount ? 2 : ( bitCount + 3 ) / 4;
+        return String.format("[%0"+nibbles+"X, %s]", v, toBinaryString(v, bitCount));
+    }
+    public static String toHexBinaryString(final int v, final int bitCount) {
+        final int nibbles = 0 == bitCount ? 2 : ( bitCount + 3 ) / 4;
+        return String.format("[%0"+nibbles+"X, %s]", v, toBinaryString(v, bitCount));
+    }
+    public static String toHexBinaryString(final short v, final int bitCount) {
+        final int nibbles = 0 == bitCount ? 2 : ( bitCount + 3 ) / 4;
+        return String.format("[%0"+nibbles+"X, %s]", v, toBinaryString(v, bitCount));
+    }
+}