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// Int32Test.cs - NUnit Test Cases for the System.Int32 struct
//
// Mario Martinez (mariom925@home.om)
//
// (C) Ximian, Inc. http://www.ximian.com
//
using NUnit.Framework;
using System;
using System.Threading;
using System.Globalization;
namespace MonoTests.System
{
public class Int32Test : TestCase
{
private const Int32 MyInt32_1 = -42;
private const Int32 MyInt32_2 = -2147483648;
private const Int32 MyInt32_3 = 2147483647;
private const string MyString1 = "-42";
private const string MyString2 = "-2147483648";
private const string MyString3 = "2147483647";
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 = {null,
"-2147483648", "-2.147484e+009", "-2147483648.00",
"-2147483648", "-2,147,483,648.00", "-214,748,364,800.00 %", "80000000"};
private string[] Results2 = {null,
"2147483647", "2.14748e+009", "2147483647.00000",
"2.1475e+09", "2,147,483,647.00000", "214,748,364,700.00000 %", "7fffffff"};
private string[] ResultsNfi1 = {"("+NumberFormatInfo.InvariantInfo.CurrencySymbol+"2,147,483,648.00)",
"-2147483648", "-2.147484e+009", "-2147483648.00",
"-2147483648", "-2,147,483,648.00", "-214,748,364,800.00 %", "80000000"};
private string[] ResultsNfi2 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"2,147,483,647.00000",
"2147483647", "2.14748e+009", "2147483647.00000",
"2.1475e+09", "2,147,483,647.00000", "214,748,364,700.00000 %", "7fffffff"};
private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
public Int32Test() : base ("MonoTests.System.Int32Test testcase") {}
public Int32Test(string name) : base(name) {}
private CultureInfo old_culture;
protected override void SetUp()
{
old_culture = Thread.CurrentThread.CurrentCulture;
// Set culture to en-US and don't let the user override.
Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US", false);
// We can't initialize this until we set the culture.
Results1 [0] = "("+NumberFormatInfo.CurrentInfo.CurrencySymbol+"2,147,483,648.00)";
Results2 [0] = NumberFormatInfo.CurrentInfo.CurrencySymbol+"2,147,483,647.00000";
}
protected override void TearDown()
{
Thread.CurrentThread.CurrentCulture = old_culture;
}
public static ITest Suite {
get {
return new TestSuite(typeof(Int32Test));
}
}
public void TestMinMax()
{
AssertEquals("#A01", Int32.MinValue, MyInt32_2);
AssertEquals("#A02", Int32.MaxValue, MyInt32_3);
}
public void TestCompareTo()
{
Assert("MyInt32_3.CompareTo(MyInt32_2) > 0", MyInt32_3.CompareTo(MyInt32_2) > 0);
Assert("MyInt32_2.CompareTo(MyInt32_2) == 0", MyInt32_2.CompareTo(MyInt32_2) == 0);
Assert("MyInt32_1.CompareTo((Int32)(-42)) == 0", MyInt32_1.CompareTo((Int32)(-42)) == 0);
Assert("MyInt32_2.CompareTo(MyInt32_3) < 0", MyInt32_2.CompareTo(MyInt32_3) < 0);
try {
MyInt32_2.CompareTo((Int16)100);
Fail("Should raise a System.ArgumentException");
}
catch (Exception e) {
Assert("typeof(ArgumentException) == e.GetType()", typeof(ArgumentException) == e.GetType());
}
}
public void TestEquals()
{
Assert ("#B01", MyInt32_1.Equals (MyInt32_1));
Assert ("#B02", MyInt32_1.Equals ((Int32)(-42)));
Assert ("#B03", MyInt32_1.Equals ((SByte)(-42)) == false);
Assert ("#B04", MyInt32_1.Equals (MyInt32_2) == false);
}
public void TestGetHashCode()
{
try {
MyInt32_1.GetHashCode();
MyInt32_2.GetHashCode();
MyInt32_3.GetHashCode();
}
catch {
Fail("GetHashCode should not raise an exception here");
}
}
public void TestParse()
{
//test Parse(string s)
AssertEquals ("#C01", MyInt32_1, Int32.Parse (MyString1));
AssertEquals ("#C02", MyInt32_2, Int32.Parse (MyString2));
AssertEquals ("#C03", MyInt32_3, Int32.Parse (MyString3));
AssertEquals ("#C04", 1, Int32.Parse ("1"));
AssertEquals ("#C05", 1, Int32.Parse (" 1"));
AssertEquals ("#C06", 1, Int32.Parse (" 1"));
AssertEquals ("#C07", 1, Int32.Parse ("1 "));
AssertEquals ("#C08", 1, Int32.Parse ("+1"));
AssertEquals ("#C09", -1, Int32.Parse ("-1"));
AssertEquals ("#C10", -1, Int32.Parse (" -1"));
AssertEquals ("#C11", -1, Int32.Parse (" -1 "));
AssertEquals ("#C12", -1, Int32.Parse (" -1 "));
try {
Int32.Parse(null);
Fail ("#C13: Should raise a System.ArgumentNullException");
}
catch (Exception e) {
Assert ("#C14", typeof (ArgumentNullException) == e.GetType());
}
try {
Int32.Parse("not-a-number");
Fail ("#C15: Should raise a System.FormatException");
}
catch (Exception e) {
Assert ("#C16", typeof (FormatException) == e.GetType());
}
try {
double OverInt = (double)Int32.MaxValue + 1;
Int32.Parse(OverInt.ToString());
Fail ("#C17: Should raise a System.OverflowException");
}
catch (Exception e) {
AssertEquals ("#C18", typeof (OverflowException), e.GetType());
}
//test Parse(string s, NumberStyles style)
AssertEquals ("#C19", 42, Int32.Parse (" $42 ", NumberStyles.Currency));
try {
Int32.Parse("$42", NumberStyles.Integer);
Fail ("#C20: Should raise a System.FormatException");
}
catch (Exception e) {
Assert ("#C21", typeof (FormatException) == e.GetType());
}
//test Parse(string s, IFormatProvider provider)
AssertEquals ("#C22", -42, Int32.Parse (" -42 ", Nfi));
try {
Int32.Parse("%42", Nfi);
Fail ("#C23: Should raise a System.FormatException");
}
catch (Exception e) {
Assert ("#C24", typeof (FormatException) == e.GetType());
}
//test Parse(string s, NumberStyles style, IFormatProvider provider)
AssertEquals ("#C25", 16, Int32.Parse (" 10 ", NumberStyles.HexNumber, Nfi));
try {
Int32.Parse("$42", NumberStyles.Integer, Nfi);
Fail ("#C26: Should raise a System.FormatException");
}
catch (Exception e) {
Assert("#C27", typeof (FormatException) == e.GetType());
}
try {
Int32.Parse (" - 1 ");
Fail ("#C28: Should raise FormatException");
} catch (Exception e){
Assert ("#C29", typeof (FormatException) == e.GetType ());
}
try {
Int32.Parse (" - ");
Fail ("#C30: Should raise FormatException");
} catch (Exception e){
Assert ("#C31", typeof (FormatException) == e.GetType ());
}
}
public void TestToString()
{
//test ToString()
AssertEquals ("#D01", MyString1, MyInt32_1.ToString ());
AssertEquals ("#D02", MyString2, MyInt32_2.ToString ());
AssertEquals ("#D03", MyString3, MyInt32_3.ToString ());
//test ToString(string format, IFormatProvider provider);
for (int i=0; i < Formats1.Length; i++) {
AssertEquals ("#D04(" + i + "," + Formats1 [i] + ")",
ResultsNfi1 [i], MyInt32_2.ToString (Formats1 [i], Nfi));
AssertEquals ("#D05(" + i + "," + Formats2 [i] + ")",
ResultsNfi2 [i], MyInt32_3.ToString (Formats2 [i], Nfi));
}
//test ToString(string format)
for (int i=0; i < Formats1.Length; i++) {
AssertEquals ("#D06(" + i + ")", Results1 [i],
MyInt32_2.ToString(Formats1[i]));
AssertEquals ("#D07(" + i + ")", Results2 [i],
MyInt32_3.ToString(Formats2[i]));
}
try {
MyInt32_1.ToString("z");
Fail ("#D08: Should raise a System.FormatException");
}
catch (Exception e) {
Assert ("#D09", typeof (FormatException) == e.GetType());
}
}
public void TestCustomToString()
{
// FIXME: Not yet implemented.
#if NOTYET
// culture sensitive?
int i = 123;
AssertEquals ("Custom format string 00000", "00123", i.ToString ("00000"));
AssertEquals ("Custom format string ####", "123", i.ToString ("####"));
#endif
}
}
}
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