diff options
Diffstat (limited to 'bcprov/src/main/java/org/bouncycastle/pqc/crypto/test/BitStringTest.java')
-rw-r--r-- | bcprov/src/main/java/org/bouncycastle/pqc/crypto/test/BitStringTest.java | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/pqc/crypto/test/BitStringTest.java b/bcprov/src/main/java/org/bouncycastle/pqc/crypto/test/BitStringTest.java deleted file mode 100644 index 85e1ffa..0000000 --- a/bcprov/src/main/java/org/bouncycastle/pqc/crypto/test/BitStringTest.java +++ /dev/null @@ -1,88 +0,0 @@ -package org.bouncycastle.pqc.crypto.test; - -import junit.framework.TestCase; -import org.bouncycastle.pqc.crypto.ntru.IndexGenerator.BitString; -import org.bouncycastle.util.Arrays; - -public class BitStringTest - extends TestCase -{ - public void testAppendBitsByteArray() - { - BitString bs = new BitString(); - bs.appendBits((byte)78); - assertBitStringEquals(bs, new byte[]{78}); - bs.appendBits((byte)-5); - assertBitStringEquals(bs, new byte[]{78, -5}); - bs.appendBits((byte)127); - assertBitStringEquals(bs, new byte[]{78, -5, 127}); - bs.appendBits((byte)0); - assertBitStringEquals(bs, new byte[]{78, -5, 127, 0}); - bs.appendBits((byte)100); - assertBitStringEquals(bs, new byte[]{78, -5, 127, 0, 100}); - } - - private void assertBitStringEquals(BitString bs, byte[] arr) - { - byte[] bsBytes = bs.getBytes(); - - assertTrue(bsBytes.length >= arr.length); - arr = copyOf(arr, bsBytes.length); - assertTrue(Arrays.areEqual(arr, bsBytes)); - } - - public void testGetTrailing() - { - BitString bs = new BitString(); - bs.appendBits((byte)78); - BitString bs2 = bs.getTrailing(3); - assertBitStringEquals(bs2, new byte[]{6}); - - bs = new BitString(); - bs.appendBits((byte)78); - bs.appendBits((byte)-5); - bs2 = bs.getTrailing(9); - assertBitStringEquals(bs2, new byte[]{78, 1}); - - bs2.appendBits((byte)100); - assertBitStringEquals(bs2, new byte[]{78, -55}); - bs = bs2.getTrailing(13); - assertBitStringEquals(bs, new byte[]{78, 9}); - bs2 = bs2.getTrailing(11); - assertBitStringEquals(bs2, new byte[]{78, 1}); - - bs2.appendBits((byte)100); - assertBitStringEquals(bs2, new byte[]{78, 33, 3}); - bs2 = bs2.getTrailing(16); - assertBitStringEquals(bs2, new byte[]{78, 33}); - } - - public void testGetLeadingAsInt() - { - BitString bs = new BitString(); - bs.appendBits((byte)78); - bs.appendBits((byte)42); - assertEquals(1, bs.getLeadingAsInt(3)); - assertEquals(84, bs.getLeadingAsInt(9)); - assertEquals(338, bs.getLeadingAsInt(11)); - - BitString bs2 = bs.getTrailing(11); - assertBitStringEquals(bs2, new byte[]{78, 2}); - assertEquals(590, bs2.getLeadingAsInt(11)); - assertEquals(9, bs2.getLeadingAsInt(5)); - - bs2.appendBits((byte)115); - assertEquals(230, bs2.getLeadingAsInt(9)); - assertEquals(922, bs2.getLeadingAsInt(11)); - - bs2.appendBits((byte)-36); - assertEquals(55, bs2.getLeadingAsInt(6)); - } - - private byte[] copyOf(byte[] src, int length) - { - byte[] tmp = new byte[length]; - System.arraycopy(src, 0, tmp, 0, tmp.length > src.length ? src.length : tmp.length); - return tmp; - } -}
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