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// SByteTest.cs - NUnit Test Cases for the System.SByte struct
//
// Mario Martinez (mariom925@home.om)
//
// (C) Ximian, Inc. http://www.ximian.com
// Copyright (C) 2004 Novell (http://www.novell.com)
//
using NUnit.Framework;
using System;
using System.Globalization;
namespace MonoTests.System
{
[TestFixture]
public class SByteTest : Assertion
{
private const SByte MySByte1 = -42;
private const SByte MySByte2 = -128;
private const SByte MySByte3 = 127;
private const string MyString1 = "-42";
private const string MyString2 = "-128";
private const string MyString3 = "127";
private string[] Formats1 = {"c", "d", "e", "f", "g", "n", "p", "x" };
private string[] Formats2 = {"c5", "d5", "e5", "f5", "g5", "n5", "p5", "x5" };
private string[] Results1 = {"("+NumberFormatInfo.CurrentInfo.CurrencySymbol+"128.00)",
"-128", "-1.280000e+002", "-128.00",
"-128", "-128.00", "-12,800.00 %", "80"};
private string[] Results2 = {NumberFormatInfo.CurrentInfo.CurrencySymbol+"127.00000",
"00127", "1.27000e+002", "127.00000",
"127", "127.00000", "12,700.00000 %", "0007f"};
private string[] ResultsNfi1 = {"("+NumberFormatInfo.InvariantInfo.CurrencySymbol+"128.00)",
"-128", "-1.280000e+002", "-128.00",
"-128", "-128.00", "-12,800.00 %", "80"};
private string[] ResultsNfi2 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"127.00000",
"00127", "1.27000e+002", "127.00000",
"127", "127.00000", "12,700.00000 %", "0007f"};
private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
public void TestMinMax()
{
AssertEquals(SByte.MinValue, MySByte2);
AssertEquals(SByte.MaxValue, MySByte3);
}
public void TestCompareTo()
{
Assert(MySByte3.CompareTo(MySByte2) > 0);
Assert(MySByte2.CompareTo(MySByte2) == 0);
Assert(MySByte1.CompareTo((SByte)(-42)) == 0);
Assert(MySByte2.CompareTo(MySByte3) < 0);
try {
MySByte2.CompareTo((object)(int)100);
Fail("Should raise a System.ArgumentException");
}
catch (Exception e) {
Assert(typeof(ArgumentException) == e.GetType());
}
}
public void TestEquals()
{
Assert(MySByte1.Equals(MySByte1));
Assert(MySByte1.Equals((SByte)(-42)));
Assert(MySByte1.Equals((Int16)(-42)) == false);
Assert(MySByte1.Equals(MySByte2) == false);
}
public void TestGetHashCode()
{
try {
MySByte1.GetHashCode();
MySByte2.GetHashCode();
MySByte3.GetHashCode();
}
catch {
Fail("GetHashCode should not raise an exception here");
}
}
public void TestParse()
{
//test Parse(string s)
Assert(MySByte1 == SByte.Parse(MyString1));
Assert(MySByte2 == SByte.Parse(MyString2));
Assert(MySByte3 == SByte.Parse(MyString3));
try {
SByte.Parse(null);
Fail("Should raise a System.ArgumentNullException");
}
catch (Exception e) {
Assert(typeof(ArgumentNullException) == e.GetType());
}
try {
SByte.Parse("not-a-number");
Fail("Should raise a System.FormatException");
}
catch (Exception e) {
Assert(typeof(FormatException) == e.GetType());
}
try {
int OverInt = SByte.MaxValue + 1;
SByte.Parse(OverInt.ToString());
Fail("Should raise a System.OverflowException");
}
catch (Exception e) {
Assert(typeof(OverflowException) == e.GetType());
}
//test Parse(string s, NumberStyles style)
AssertEquals("A1", (sbyte)42, SByte.Parse(" "+NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 ", NumberStyles.Currency));
try {
SByte.Parse(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42", NumberStyles.Integer);
Fail("Should raise a System.FormatException");
}
catch (Exception e) {
Assert(typeof(FormatException) == e.GetType());
}
//test Parse(string s, IFormatProvider provider)
Assert(-42 == SByte.Parse(" -42 ", Nfi));
try {
SByte.Parse("%42", Nfi);
Fail("Should raise a System.FormatException");
}
catch (Exception e) {
Assert(typeof(FormatException) == e.GetType());
}
//test Parse(string s, NumberStyles style, IFormatProvider provider)
Assert(16 == SByte.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
try {
SByte.Parse(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42", NumberStyles.Integer, Nfi);
Fail("Should raise a System.FormatException");
}
catch (Exception e) {
Assert(typeof(FormatException) == e.GetType());
}
}
[Test]
public void Parse_MinMax ()
{
AssertEquals ("MinValue", SByte.MinValue, SByte.Parse ("-128"));
AssertEquals ("MaxValue", SByte.MaxValue, SByte.Parse ("127"));
}
public void TestToString()
{
//test ToString()
Assert("MyString1, MySByte1.ToString()", String.Compare(MyString1, MySByte1.ToString()) == 0);
Assert("MyString2, MySByte2.ToString()", String.Compare(MyString2, MySByte2.ToString()) == 0);
Assert("MyString3, MySByte3.ToString()", String.Compare(MyString3, MySByte3.ToString()) == 0);
//test ToString(string format)
/*
TODO: These tests depend on the culture of the system running the test.
So, this needs to be tested in a different way.
for (int i=0; i < Formats1.Length; i++) {
Assert("i="+i+", Results1[i]="+Results1[i]+", MySByte2.ToString(Formats1[i])="+MySByte2.ToString(Formats1[i]), String.Compare(Results1[i], MySByte2.ToString(Formats1[i])) == 0);
Assert("Results2[i], MySByte3.ToString(Formats2[i])", String.Compare(Results2[i], MySByte3.ToString(Formats2[i])) == 0);
}
*/
//test ToString(string format, IFormatProvider provider);
for (int i=0; i < Formats1.Length; i++) {
Assert("i="+i+", ResultsNfi1[i]="+ResultsNfi1[i]+", MySByte2.ToString(Formats1[i]="+Formats1[i]+"): Expected "+ResultsNfi1[i]+" but got "+MySByte2.ToString(Formats1[i], Nfi), String.Compare(ResultsNfi1[i], MySByte2.ToString(Formats1[i], Nfi)) == 0);
Assert("ResultsNfi2[i], MySByte3.ToString(Formats2[i], Nfi):"+ResultsNfi2[i]+"<==>"+MySByte3.ToString(Formats2[i], Nfi), String.Compare(ResultsNfi2[i], MySByte3.ToString(Formats2[i], Nfi)) == 0);
}
try {
MySByte1.ToString("z");
Fail("Should raise a System.FormatException");
}
catch (Exception e) {
Assert("typeof(FormatException) == e.GetType()", typeof(FormatException) == e.GetType());
}
}
[Test]
public void ToString_Defaults ()
{
SByte i = 100;
// everything defaults to "G"
string def = i.ToString ("G");
AssertEquals ("ToString()", def, i.ToString ());
AssertEquals ("ToString((IFormatProvider)null)", def, i.ToString ((IFormatProvider)null));
AssertEquals ("ToString((string)null)", def, i.ToString ((string)null));
AssertEquals ("ToString(empty)", def, i.ToString (String.Empty));
AssertEquals ("ToString(null,null)", def, i.ToString (null, null));
AssertEquals ("ToString(empty,null)", def, i.ToString (String.Empty, null));
AssertEquals ("ToString(G)", "100", def);
}
}
}
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