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| author | David Hook <dgh@bouncycastle.org> | 2021-06-03 13:07:09 +1000 |
|---|---|---|
| committer | David Hook <dgh@bouncycastle.org> | 2021-06-03 13:07:09 +1000 |
| commit | 2618a7e99306d25d2f3cfb61afc9c4a7832683a3 (patch) | |
| tree | 9e55fd73a2d1729c8fbb7d698738feea8854bb4c /crypto/test | |
| parent | github #172 - added blowfish init check on key size (diff) | |
| parent | NTZ for 0 should be 32/64 resp. (diff) | |
| download | BouncyCastle.NET-ed25519-2618a7e99306d25d2f3cfb61afc9c4a7832683a3.tar.xz | |
Merge remote-tracking branch 'origin/master'
Diffstat (limited to 'crypto/test')
| -rw-r--r-- | crypto/test/UnitTests.csproj | 2 | ||||
| -rw-r--r-- | crypto/test/src/util/utiltest/IntegersTest.cs | 36 | ||||
| -rw-r--r-- | crypto/test/src/util/utiltest/LongsTest.cs | 36 |
3 files changed, 74 insertions, 0 deletions
diff --git a/crypto/test/UnitTests.csproj b/crypto/test/UnitTests.csproj index 2164d2949..58737f9ce 100644 --- a/crypto/test/UnitTests.csproj +++ b/crypto/test/UnitTests.csproj @@ -486,6 +486,8 @@ <Compile Include="src\util\test\TestRandomBigInteger.cs" /> <Compile Include="src\util\test\TestRandomData.cs" /> <Compile Include="src\util\test\UncloseableStream.cs" /> + <Compile Include="src\util\utiltest\IntegersTest.cs" /> + <Compile Include="src\util\utiltest\LongsTest.cs" /> <Compile Include="src\x509\test\TestCertificateGen.cs" /> </ItemGroup> <ItemGroup> diff --git a/crypto/test/src/util/utiltest/IntegersTest.cs b/crypto/test/src/util/utiltest/IntegersTest.cs new file mode 100644 index 000000000..a661144db --- /dev/null +++ b/crypto/test/src/util/utiltest/IntegersTest.cs @@ -0,0 +1,36 @@ +using System; + +using NUnit.Framework; + +namespace Org.BouncyCastle.Utilities.UtilTests +{ + [TestFixture] + public class IntegersTest + { + [Test] + public void TestNumberOfLeadingZeros() + { + for (int i = 0; i < 31; ++i) + { + Assert.AreEqual(i, Integers.NumberOfLeadingZeros((int)(0x80000000U >> i))); + Assert.AreEqual(i, Integers.NumberOfLeadingZeros((int)(0xFFFFFFFFU >> i))); + } + + Assert.AreEqual(31, Integers.NumberOfLeadingZeros(1)); + Assert.AreEqual(32, Integers.NumberOfLeadingZeros(0)); + } + + [Test] + public void TestNumberOfTrailingZeros() + { + for (int i = 0; i < 31; ++i) + { + Assert.AreEqual(i, Integers.NumberOfTrailingZeros(1 << i)); + Assert.AreEqual(i, Integers.NumberOfTrailingZeros(-1 << i)); + } + + Assert.AreEqual(31, Integers.NumberOfTrailingZeros(int.MinValue)); + Assert.AreEqual(32, Integers.NumberOfTrailingZeros(0)); + } + } +} diff --git a/crypto/test/src/util/utiltest/LongsTest.cs b/crypto/test/src/util/utiltest/LongsTest.cs new file mode 100644 index 000000000..b2ddb6656 --- /dev/null +++ b/crypto/test/src/util/utiltest/LongsTest.cs @@ -0,0 +1,36 @@ +using System; + +using NUnit.Framework; + +namespace Org.BouncyCastle.Utilities.UtilTests +{ + [TestFixture] + public class LongsTest + { + [Test] + public void TestNumberOfLeadingZeros() + { + for (int i = 0; i < 63; ++i) + { + Assert.AreEqual(i, Longs.NumberOfLeadingZeros((long)(0x8000000000000000UL >> i))); + Assert.AreEqual(i, Longs.NumberOfLeadingZeros((long)(0xFFFFFFFFFFFFFFFFUL >> i))); + } + + Assert.AreEqual(63, Longs.NumberOfLeadingZeros(1L)); + Assert.AreEqual(64, Longs.NumberOfLeadingZeros(0L)); + } + + [Test] + public void TestNumberOfTrailingZeros() + { + for (int i = 0; i < 63; ++i) + { + Assert.AreEqual(i, Longs.NumberOfTrailingZeros(1L << i)); + Assert.AreEqual(i, Longs.NumberOfTrailingZeros(-1L << i)); + } + + Assert.AreEqual(63, Longs.NumberOfTrailingZeros(long.MinValue)); + Assert.AreEqual(64, Longs.NumberOfTrailingZeros(0L)); + } + } +} |