// Duco Fijma (duco@lorentz.xs4all.nl)
//
// (C) 2002 Duco Fijma
+// Copyright (C) 2004 Novell (http://www.novell.com)
//
using NUnit.Framework;
namespace MonoTests.System
{
-public class BitConverterTest : TestCase {
+[TestFixture]
+public class BitConverterTest : Assertion {
- public BitConverterTest() : base("System.BitConverter testsuite") {}
- public BitConverterTest(string name) : base(name) {}
+ public void TestIsLittleEndian ()
+ {
+ byte[] b;
+
+ b = BitConverter.GetBytes (1);
+ AssertEquals ("A1", b[0] == 1, BitConverter.IsLittleEndian );
+ }
+
+ private void PrivateTestSingle (float v1)
+ {
+ float v2;
+ byte[] b;
+ byte[] larger = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 };
+ bool exception;
+
+ b = BitConverter.GetBytes (v1);
+ AssertEquals("A1", 4, b.Length);
- protected override void SetUp() {}
+ v2 = BitConverter.ToSingle (b, 0);
+ AssertEquals("A2", v1, v2);
- protected override void TearDown() {}
+ b.CopyTo (larger, 1);
+ v2 = BitConverter.ToSingle (larger, 1);
+ AssertEquals("A3", v1, v2);
+
+ try {
+ v2 = BitConverter.ToSingle (larger, 8);
+ exception = false;
+ }
+ catch (ArgumentException) {
+ exception = true;
+ }
+ Assert ("A4", exception);
- // this property is required. You need change the parameter for
- // typeof() below to be your class.
- public static ITest Suite {
- get {
- return new TestSuite(typeof(BitConverterTest));
+ try {
+ v2 = BitConverter.ToSingle ((byte[]) null, 77);
+ exception = false;
}
+ catch (ArgumentNullException) {
+ exception = true;
+ }
+ Assert ("A5", exception);
+ }
+
+ public void TestSingle()
+ {
+ PrivateTestSingle (0.1f);
+ PrivateTestSingle (24.1e30f);
}
- public void TestIsLittleEndian () {
+ private void PrivateTestDouble (double v1)
+ {
+ double v2;
byte[] b;
+ byte[] larger = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 };
+ bool exception;
+
+ b = BitConverter.GetBytes (v1);
+ AssertEquals("A1", 8, b.Length);
- b = BitConverter.GetBytes(1);
- AssertEquals ("A1", b[0] == 1, BitConverter.IsLittleEndian );
+ v2 = BitConverter.ToDouble (b, 0);
+ AssertEquals("A2", v1, v2);
+
+ b.CopyTo (larger, 1);
+ v2 = BitConverter.ToDouble (larger, 1);
+ AssertEquals("A3", v1, v2);
+
+ try {
+ v2 = BitConverter.ToDouble (larger, 3);
+ exception = false;
+ }
+ catch (ArgumentException) {
+ exception = true;
+ }
+ Assert ("A4", exception);
+
+ try {
+ v2 = BitConverter.ToDouble ((byte[]) null, 77);
+ exception = false;
+ }
+ catch (ArgumentNullException) {
+ exception = true;
+ }
+ Assert ("A5", exception);
}
- public void TestDouble() {
+ public void TestDouble ()
+ {
double d = 123.321;
AssertEquals("A1", d, BitConverter.Int64BitsToDouble (BitConverter.DoubleToInt64Bits (d)));
+
+ PrivateTestDouble (0.1);
+ PrivateTestDouble (24.1e77);
}
- public void TestChar () {
- char v1 = 'A';
+ private void PrivateTestBool (bool v1)
+ {
+ bool v2;
+ byte[] b;
+ byte[] larger = new byte[] { 0x00, 0x01, 0x02, 0x03 };
+ bool exception;
+
+ b = BitConverter.GetBytes (v1);
+ AssertEquals("A1", 1, b.Length);
+
+ v2 = BitConverter.ToBoolean (b, 0);
+ AssertEquals("A2", v1, v2);
+
+ b.CopyTo (larger, 1);
+ v2 = BitConverter.ToBoolean (larger, 1);
+ AssertEquals("A3", v1, v2);
+
+ try {
+ v2 = BitConverter.ToBoolean (larger, 4);
+ exception = false;
+ }
+ catch (ArgumentException) {
+ exception = true;
+ }
+ Assert ("A4", exception);
+
+ try {
+ v2 = BitConverter.ToBoolean ((byte[]) null, 77);
+ exception = false;
+ }
+ catch (ArgumentNullException) {
+ exception = true;
+ }
+ Assert ("A5", exception);
+ }
+
+ public void TestBool () {
+ PrivateTestBool(true);
+ PrivateTestBool(false);
+ }
+
+ private void PrivateTestChar (char v1)
+ {
char v2;
byte[] b;
byte[] larger = new byte[] { 0x00, 0x01, 0x02, 0x03 };
catch (ArgumentException) {
exception = true;
}
- AssertEquals ("A4", true, exception);
+ Assert ("A4", exception);
try {
v2 = BitConverter.ToChar ((byte[]) null, 77);
catch (ArgumentNullException) {
exception = true;
}
- AssertEquals("A5", true, exception);
+ Assert ("A5", exception);
+ }
+
+ public void TestChar ()
+ {
+ PrivateTestChar('A');
+ PrivateTestChar('\x01ff');
+ }
+
+ private void PrivateTestInt16 (short v1)
+ {
+ short v2;
+ byte[] b;
+ byte[] larger = new byte[] { 0x00, 0x01, 0x02, 0x03 };
+ bool exception;
+
+ b = BitConverter.GetBytes (v1);
+ AssertEquals("A1", 2, b.Length);
+
+ v2 = BitConverter.ToInt16 (b, 0);
+ AssertEquals("A2", v1, v2);
+
+ b.CopyTo (larger, 1);
+ v2 = BitConverter.ToInt16 (larger, 1);
+ AssertEquals("A3", v1, v2);
+
+ try {
+ v2 = BitConverter.ToInt16 (larger, 3);
+ exception = false;
+ }
+ catch (ArgumentException) {
+ exception = true;
+ }
+ Assert ("A4", exception);
+
+ try {
+ v2 = BitConverter.ToInt16 ((byte[]) null, 77);
+ exception = false;
+ }
+ catch (ArgumentNullException) {
+ exception = true;
+ }
+ Assert ("A5", exception);
+ }
+
+ public void TestInt16 ()
+ {
+ PrivateTestInt16 (0);
+ PrivateTestInt16 (1000);
+ PrivateTestInt16 (-32768);
+ PrivateTestInt16 (32767);
+ }
+
+ private void PrivateTestUInt16 (ushort v1)
+ {
+ ushort v2;
+ byte[] b;
+ byte[] larger = new byte[] { 0x00, 0x01, 0x02, 0x03 };
+ bool exception;
+
+ b = BitConverter.GetBytes (v1);
+ AssertEquals("A1", 2, b.Length);
+
+ v2 = BitConverter.ToUInt16 (b, 0);
+ AssertEquals("A2", v1, v2);
+
+ b.CopyTo (larger, 1);
+ v2 = BitConverter.ToUInt16 (larger, 1);
+ AssertEquals("A3", v1, v2);
+
+ try {
+ v2 = BitConverter.ToUInt16 (larger, 3);
+ exception = false;
+ }
+ catch (ArgumentException) {
+ exception = true;
+ }
+ Assert ("A4", exception);
+
+ try {
+ v2 = BitConverter.ToUInt16 ((byte[]) null, 77);
+ exception = false;
+ }
+ catch (ArgumentNullException) {
+ exception = true;
+ }
+ Assert ("A5", exception);
+ }
+
+ public void TestUInt16 ()
+ {
+ PrivateTestUInt16 (0);
+ PrivateTestUInt16 (1000);
+ PrivateTestUInt16 (65535);
+ }
+
+ private void PrivateTestInt32 (int v1)
+ {
+ int v2;
+ byte[] b;
+ byte[] larger = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 };
+ bool exception;
+
+ b = BitConverter.GetBytes (v1);
+ AssertEquals("A1", 4, b.Length);
+
+ v2 = BitConverter.ToInt32 (b, 0);
+ AssertEquals("A2", v1, v2);
+
+ b.CopyTo (larger, 1);
+ v2 = BitConverter.ToInt32 (larger, 1);
+ AssertEquals("A3", v1, v2);
+
+ try {
+ v2 = BitConverter.ToInt32 (larger, 8);
+ exception = false;
+ }
+ catch (ArgumentException) {
+ exception = true;
+ }
+ Assert ("A4", exception);
+
+ try {
+ v2 = BitConverter.ToInt32 ((byte[]) null, 77);
+ exception = false;
+ }
+ catch (ArgumentNullException) {
+ exception = true;
+ }
+ Assert ("A5", exception);
+ }
+ public void TestInt32 ()
+ {
+ PrivateTestInt32 (0);
+ PrivateTestInt32 (1000);
+ PrivateTestInt32 (-2147483648);
+ PrivateTestInt32 (2147483647);
}
+ private void PrivateTestUInt32 (uint v1)
+ {
+ uint v2;
+ byte[] b;
+ byte[] larger = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 };
+ bool exception;
+
+ b = BitConverter.GetBytes (v1);
+ AssertEquals ("A1", 4, b.Length);
+
+ v2 = BitConverter.ToUInt32 (b, 0);
+ AssertEquals ("A2", v1, v2);
+
+ b.CopyTo (larger, 1);
+ v2 = BitConverter.ToUInt32 (larger, 1);
+ AssertEquals ("A3", v1, v2);
+
+ try {
+ v2 = BitConverter.ToUInt32 (larger, 8);
+ exception = false;
+ }
+ catch (ArgumentException) {
+ exception = true;
+ }
+ Assert ("A4", exception);
+
+ try {
+ v2 = BitConverter.ToUInt32 ((byte[]) null, 77);
+ exception = false;
+ }
+ catch (ArgumentNullException) {
+ exception = true;
+ }
+ Assert ("A5", exception);
+ }
+
+ public void TestUInt32 ()
+ {
+ PrivateTestUInt32 (0u);
+ PrivateTestUInt32 (1000u);
+ PrivateTestUInt32 (4294967295u);
+ }
+
+ private void PrivateTestInt64 (long v1)
+ {
+ long v2;
+ byte[] b;
+ byte[] larger = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 };
+ bool exception;
+
+ b = BitConverter.GetBytes (v1);
+ AssertEquals ("A1", 8, b.Length);
+
+ v2 = BitConverter.ToInt64 (b, 0);
+ AssertEquals ("A2", v1, v2);
+
+ b.CopyTo (larger, 1);
+ v2 = BitConverter.ToInt64 (larger, 1);
+ AssertEquals ("A3", v1, v2);
+
+ try {
+ v2 = BitConverter.ToInt64 (larger, 8);
+ exception = false;
+ }
+ catch (ArgumentException) {
+ exception = true;
+ }
+ Assert ("A4", exception);
+
+ try {
+ v2 = BitConverter.ToInt64 ((byte[]) null, 77);
+ exception = false;
+ }
+ catch (ArgumentNullException) {
+ exception = true;
+ }
+ Assert ("A5", exception);
+ }
+
+ public void TestInt64 ()
+ {
+ PrivateTestInt64 (0);
+ PrivateTestInt64 (1000);
+ PrivateTestInt64 (-9223372036854775808);
+ PrivateTestInt64 (9223372036854775807);
+ }
+
+ private void PrivateTestUInt64 (ulong v1)
+ {
+ ulong v2;
+ byte[] b;
+ byte[] larger = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 };
+ bool exception;
+
+ b = BitConverter.GetBytes (v1);
+ AssertEquals("A1", 8, b.Length);
+
+ v2 = BitConverter.ToUInt64 (b, 0);
+ AssertEquals("A2", v1, v2);
+
+ b.CopyTo (larger, 1);
+ v2 = BitConverter.ToUInt64 (larger, 1);
+ AssertEquals("A3", v1, v2);
+
+ try {
+ v2 = BitConverter.ToUInt64 (larger, 8);
+ exception = false;
+ }
+ catch (ArgumentException) {
+ exception = true;
+ }
+ Assert ("A4", exception);
+
+ try {
+ v2 = BitConverter.ToUInt64 ((byte[]) null, 77);
+ exception = false;
+ }
+ catch (ArgumentNullException) {
+ exception = true;
+ }
+ Assert ("A5", exception);
+ }
+
+ public void TestUInt64 ()
+ {
+ PrivateTestUInt64 (0);
+ PrivateTestUInt64 (1000);
+ PrivateTestUInt64 (18446744073709551615);
+ }
+
+ public void TestToString ()
+ {
+ string s;
+ bool exception;
+
+ byte[] b = new byte[] {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff};
+
+ AssertEquals ("A1", "00-11-22-33-44-55-66-77-88-99-AA-BB-CC-DD-EE-FF", BitConverter.ToString (b));
+ AssertEquals ("A2", "66-77-88-99-AA-BB-CC-DD-EE-FF", BitConverter.ToString (b, 6));
+ AssertEquals ("A3", "66-77-88", BitConverter.ToString (b, 6, 3));
+
+ try {
+ s = BitConverter.ToString ((byte[]) null);
+ exception = false;
+ }
+ catch (ArgumentNullException) {
+ exception = true;
+ }
+ Assert ("A4", exception);
+
+ try {
+ s = BitConverter.ToString (b, 20);
+ exception = false;
+ }
+ catch (ArgumentException) {
+ exception = true;
+ }
+ Assert ("A5", exception);
+
+ try {
+ s = BitConverter.ToString ((byte[]) null, 20);
+ exception = false;
+ }
+ catch (ArgumentNullException) {
+ exception = true;
+ }
+ Assert ("A6", exception);
+
+ try {
+ s = BitConverter.ToString (b, 20, 3);
+ exception = false;
+ }
+ catch (ArgumentOutOfRangeException) {
+ exception = true;
+ }
+ Assert ("A7", exception);
+
+ try {
+ s = BitConverter.ToString ((byte[]) null, 20, 3);
+ exception = false;
+ }
+ catch (ArgumentNullException) {
+ exception = true;
+ }
+ Assert ("A8", exception);
+
+ try {
+ s = BitConverter.ToString (b, 16, 0);
+ exception = false;
+ }
+ catch (ArgumentOutOfRangeException) {
+ exception = true;
+ }
+ Assert ("A9", exception);
+
+
+ }
+
+ [Test]
+ [ExpectedException (typeof (ArgumentOutOfRangeException))]
+ public void ToString_StartIndexOverflow ()
+ {
+ byte[] array = new byte [4];
+ BitConverter.ToString (array, Int32.MaxValue, 1);
+ }
+
+ [Test]
+ [ExpectedException (typeof (ArgumentException))]
+ public void ToString_LengthOverflow ()
+ {
+ byte[] array = new byte [4];
+ BitConverter.ToString (array, 1, Int32.MaxValue);
+ }
+
+ [Test]
+ [ExpectedException (typeof (ArgumentOutOfRangeException))]
+ public void ToUpperLimit ()
+ {
+ byte[] array = new byte [4];
+ BitConverter.ToInt32 (array, Int32.MaxValue);
+ }
+
+ [Test]
+ [ExpectedException (typeof (ArgumentOutOfRangeException))]
+ public void ToLowerLimit ()
+ {
+ byte[] array = new byte [4];
+ BitConverter.ToInt32 (array, Int32.MinValue);
+ }
+
+ [Test]
+#if !NET_2_0
+ [ExpectedException (typeof (ArgumentOutOfRangeException))]
+#endif
+ public void ToString_Empty ()
+ {
+ byte[] empty = new byte [0];
+ AssertEquals ("Empty", String.Empty, BitConverter.ToString (empty));
+ }
+
+ [Test]
+ public void ToBoolean ()
+ {
+ byte[] array = new byte [2] { 0x02, 0x00 };
+ Assert ("True", BitConverter.ToBoolean (array, 0));
+ AssertEquals ("True==True", true, BitConverter.ToBoolean (array, 0));
+ Assert ("False", !BitConverter.ToBoolean (array, 1));
+ }
}
}