410 lines
14 KiB
C#
410 lines
14 KiB
C#
// UInt32Test.cs - NUnit Test Cases for the System.UInt32 struct
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//
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// Mario Martinez (mariom925@home.om)
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//
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// (C) Ximian, Inc. http://www.ximian.com
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//
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using NUnit.Framework;
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using System;
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using System.Globalization;
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using System.Threading;
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namespace MonoTests.System
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{
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[TestFixture]
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public class UInt32Test
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{
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private const UInt32 MyUInt32_1 = 42;
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private const UInt32 MyUInt32_2 = 0;
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private const UInt32 MyUInt32_3 = 4294967295;
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private const string MyString1 = "42";
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private const string MyString2 = "0";
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private const string MyString3 = "4294967295";
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private string[] Formats1 = {"c", "d", "e", "f", "g", "n", "p", "x" };
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private string[] Formats2 = {"c5", "d5", "e5", "f5", "g5", "n5", "p5", "x5" };
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private string[] Results1 = {"",
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"0", "0.000000e+000", "0.00",
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"0", "0.00", "0.00 %", "0"};
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private string[] ResultsNfi1 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"0.00",
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"0", "0.000000e+000", "0.00",
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"0", "0.00", "0.00 %", "0"};
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private string[] Results2 = {"",
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"4294967295", "4.29497e+009", "4294967295.00000",
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"4.295e+09", "4,294,967,295.00000", "429,496,729,500.00000 %", "ffffffff"};
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private string[] ResultsNfi2 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"4,294,967,295.00000",
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"4294967295", "4.29497e+009", "4294967295.00000",
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"4.295e+09", "4,294,967,295.00000", "429,496,729,500.00000 %", "ffffffff"};
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private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
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private CultureInfo old_culture;
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[SetUp]
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public void SetUp ()
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{
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old_culture = Thread.CurrentThread.CurrentCulture;
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// Set culture to en-US and don't let the user override.
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Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US", false);
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// We can't initialize this until we set the culture.
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string decimals = new String ('0', NumberFormatInfo.CurrentInfo.NumberDecimalDigits);
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string perPattern = new string[] {"n %","n%","%n"} [NumberFormatInfo.CurrentInfo.PercentPositivePattern];
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Results1 [0] = NumberFormatInfo.CurrentInfo.CurrencySymbol + "0.00";
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Results1 [3] = "0." + decimals;
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Results1 [5] = "0." + decimals;
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Results1 [6] = perPattern.Replace ("n","0.00");
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Results2 [0] = NumberFormatInfo.CurrentInfo.CurrencySymbol + "4,294,967,295.00000";
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Results2 [6] = perPattern.Replace ("n","429,496,729,500.00000");
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}
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[TearDown]
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public void TearDown ()
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{
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Thread.CurrentThread.CurrentCulture = old_culture;
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}
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[Test]
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public void TestMinMax()
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{
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Assert.AreEqual(UInt32.MinValue, MyUInt32_2);
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Assert.AreEqual(UInt32.MaxValue, MyUInt32_3);
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}
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[Test]
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public void TestCompareTo()
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{
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Assert.IsTrue(MyUInt32_3.CompareTo(MyUInt32_2) > 0);
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Assert.IsTrue(MyUInt32_2.CompareTo(MyUInt32_2) == 0);
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Assert.IsTrue(MyUInt32_1.CompareTo((UInt32)(42)) == 0);
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Assert.IsTrue(MyUInt32_2.CompareTo(MyUInt32_3) < 0);
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Assert.IsTrue (1 == UInt32.Parse ("1"));
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Assert.IsTrue (1 == UInt32.Parse (" 1"));
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Assert.IsTrue (1 == UInt32.Parse (" 1"));
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Assert.IsTrue (1 == UInt32.Parse ("1 "));
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Assert.IsTrue (1 == UInt32.Parse ("+1"));
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try {
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UInt32.Parse (" + 1 ");
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Assert.Fail ("Should raise FormatException1");
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} catch (Exception e){
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Assert.IsTrue (typeof (FormatException) == e.GetType ());
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}
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try {
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UInt32.Parse (" + ");
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Assert.Fail ("Should raise FormatException");
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} catch (Exception e){
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Assert.IsTrue (typeof (FormatException) == e.GetType ());
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}
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try {
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MyUInt32_2.CompareTo((object)(Int16)100);
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Assert.Fail("Should raise a System.ArgumentException");
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}
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catch (Exception e) {
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Assert.IsTrue(typeof(ArgumentException) == e.GetType());
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}
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}
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[Test]
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public void TestEquals()
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{
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Assert.IsTrue(MyUInt32_1.Equals(MyUInt32_1));
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Assert.IsTrue(MyUInt32_1.Equals((object)(UInt32)(42)));
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Assert.IsTrue(MyUInt32_1.Equals((object)(SByte)(42)) == false);
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Assert.IsTrue(MyUInt32_1.Equals(MyUInt32_2) == false);
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}
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[Test]
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public void TestGetHashCode()
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{
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try {
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MyUInt32_1.GetHashCode();
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MyUInt32_2.GetHashCode();
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MyUInt32_3.GetHashCode();
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}
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catch {
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Assert.Fail("GetHashCode should not raise an exception here");
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}
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}
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[Test]
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public void TestParse()
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{
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//test Parse(string s)
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Assert.IsTrue(MyUInt32_1 == UInt32.Parse(MyString1), "Parse problem on \""+MyString1+"\"");
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Assert.IsTrue(MyUInt32_2 == UInt32.Parse(MyString2), "Parse problem on \""+MyString2+"\"");
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Assert.IsTrue(MyUInt32_3 == UInt32.Parse(MyString3), "Parse problem on \""+MyString3+"\"");
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try {
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UInt32.Parse(null);
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Assert.Fail("Should raise a System.ArgumentNullException");
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}
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catch (Exception e) {
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Assert.IsTrue(typeof(ArgumentNullException) == e.GetType(), "Did not get ArgumentNullException type");
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}
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try {
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UInt32.Parse("not-a-number");
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Assert.Fail("Should raise a System.FormatException");
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}
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catch (Exception e) {
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Assert.IsTrue(typeof(FormatException) == e.GetType(), "Did not get FormatException type");
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}
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try {
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// TODO: Use this after ToString() is completed. For now, hard code string that generates
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// exception.
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//double OverInt = (double)UInt32.MaxValue + 1;
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//UInt32.Parse(OverInt.ToString());
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UInt32.Parse("4294967296");
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Assert.Fail("Should raise a System.OverflowException");
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}
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catch (Exception e) {
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Assert.IsTrue(typeof(OverflowException) == e.GetType(), "Did not get OverflowException type on '"+"4294967296"+"'. Instead, got: '"+e.GetType()+"'");
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}
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//test Parse(string s, NumberStyles style)
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Assert.IsTrue(42 == UInt32.Parse(" "+NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 ", NumberStyles.Currency));
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try {
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UInt32.Parse("$42", NumberStyles.Integer);
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Assert.Fail("Should raise a System.FormatException");
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}
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catch (Exception e) {
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Assert.IsTrue(typeof(FormatException) == e.GetType());
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}
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//test Parse(string s, IFormatProvider provider)
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Assert.IsTrue(42 == UInt32.Parse(" 42 ", Nfi));
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try {
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UInt32.Parse("%42", Nfi);
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Assert.Fail("Should raise a System.FormatException");
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}
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catch (Exception e) {
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Assert.IsTrue(typeof(FormatException) == e.GetType());
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}
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//test Parse(string s, NumberStyles style, IFormatProvider provider)
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Assert.IsTrue(16 == UInt32.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
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try {
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UInt32.Parse("$42", NumberStyles.Integer, Nfi);
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Assert.Fail("Should raise a System.FormatException");
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} catch (FormatException e) {
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}
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try {
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UInt32.Parse ("５", NumberStyles.Any, CultureInfo.InvariantCulture);
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Assert.Fail ("C#42");
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} catch (FormatException) {
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}
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// Pass a DateTimeFormatInfo, it is unable to format
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// numbers, but we should not crash
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UInt32.Parse ("123", new DateTimeFormatInfo ());
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Assert.AreEqual (734561, UInt32.Parse ("734561\0"), "C#43");
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try {
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UInt32.Parse ("734561\0\0\0 \0");
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Assert.Fail ("C#44");
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} catch (FormatException) {}
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try {
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UInt32.Parse ("734561\0\0\0 ");
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Assert.Fail ("C#45");
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} catch (FormatException) {}
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Assert.AreEqual (734561, UInt32.Parse ("734561\0\0\0"), "C#46");
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Assert.AreEqual (0, UInt32.Parse ("0+", NumberStyles.Any), "#50");
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}
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[Test]
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public void TestParseExponent ()
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{
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Assert.AreEqual (2, uint.Parse ("2E0", NumberStyles.AllowExponent), "A#1");
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Assert.AreEqual (20, uint.Parse ("2E1", NumberStyles.AllowExponent), "A#2");
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Assert.AreEqual (200, uint.Parse ("2E2", NumberStyles.AllowExponent), "A#3");
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Assert.AreEqual (2000000, uint.Parse ("2E6", NumberStyles.AllowExponent), "A#4");
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Assert.AreEqual (200, uint.Parse ("2E+2", NumberStyles.AllowExponent), "A#5");
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Assert.AreEqual (2, uint.Parse ("2", NumberStyles.AllowExponent), "A#6");
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Assert.AreEqual (21, uint.Parse ("2.1E1", NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent), "A#7");
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Assert.AreEqual (520, uint.Parse (".52E3", NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent), "A#8");
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Assert.AreEqual (32500000, uint.Parse ("32.5E6", NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent), "A#9");
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Assert.AreEqual (890, uint.Parse ("8.9000E2", NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent), "A#10");
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try {
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uint.Parse ("2E");
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Assert.Fail ("B#1");
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} catch (FormatException) {
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}
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try {
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uint.Parse ("2E3.0", NumberStyles.AllowExponent); // decimal notation for the exponent
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Assert.Fail ("B#2");
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} catch (FormatException) {
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}
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try {
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uint.Parse ("2E 2", NumberStyles.AllowExponent);
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Assert.Fail ("B#3");
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} catch (FormatException) {
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}
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try {
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uint.Parse ("2E2 ", NumberStyles.AllowExponent);
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Assert.Fail ("B#4");
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} catch (FormatException) {
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}
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try {
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uint.Parse ("2E66", NumberStyles.AllowExponent); // final result overflow
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Assert.Fail ("B#5");
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} catch (OverflowException) {
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}
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try {
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long exponent = (long) Int32.MaxValue + 10;
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uint.Parse ("2E" + exponent.ToString (), NumberStyles.AllowExponent);
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Assert.Fail ("B#6");
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} catch (OverflowException) {
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}
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try {
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uint.Parse ("2E-1", NumberStyles.AllowExponent); // negative exponent
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Assert.Fail ("B#7");
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} catch (OverflowException) {
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}
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try {
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uint.Parse ("2 math e1", NumberStyles.AllowExponent);
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Assert.Fail ("B#8");
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} catch (FormatException) {
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}
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try {
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uint.Parse ("2.09E1", NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent);
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Assert.Fail ("B#9");
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} catch (OverflowException) {
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}
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}
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[Test]
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public void TestTryParse()
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{
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uint result;
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Assert.AreEqual (true, UInt32.TryParse (MyString1, out result));
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Assert.AreEqual (MyUInt32_1, result);
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Assert.AreEqual (true, UInt32.TryParse (MyString2, out result));
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Assert.AreEqual (MyUInt32_2, result);
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Assert.AreEqual (true, UInt32.TryParse (MyString3, out result));
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Assert.AreEqual (MyUInt32_3, result);
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Assert.AreEqual (true, UInt32.TryParse ("1", out result));
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Assert.AreEqual (1, result);
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Assert.AreEqual (true, UInt32.TryParse (" 1", out result));
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Assert.AreEqual (1, result);
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Assert.AreEqual (true, UInt32.TryParse (" 1", out result));
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Assert.AreEqual (1, result);
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Assert.AreEqual (true, UInt32.TryParse ("1 ", out result));
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Assert.AreEqual (1, result);
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Assert.AreEqual (true, UInt32.TryParse ("+1", out result));
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Assert.AreEqual (1, result);
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Assert.AreEqual (false, UInt32.TryParse ("-1", out result));
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Assert.AreEqual (false, UInt32.TryParse (" -1", out result));
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Assert.AreEqual (false, UInt32.TryParse (" -1 ", out result));
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Assert.AreEqual (false, UInt32.TryParse (" -1 ", out result));
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result = 1;
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Assert.AreEqual (false, UInt32.TryParse (null, out result));
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Assert.AreEqual (0, result);
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Assert.AreEqual (false, UInt32.TryParse ("not-a-number", out result));
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double OverInt = (double)UInt32.MaxValue + 1;
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Assert.AreEqual (false, UInt32.TryParse (OverInt.ToString (), out result));
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Assert.AreEqual (false, UInt32.TryParse (OverInt.ToString (), NumberStyles.None, CultureInfo.InvariantCulture, out result));
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Assert.AreEqual (false, UInt32.TryParse ("$42", NumberStyles.Integer, null, out result));
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Assert.AreEqual (false, UInt32.TryParse ("%42", NumberStyles.Integer, Nfi, out result));
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Assert.AreEqual (false, UInt32.TryParse ("$42", NumberStyles.Integer, Nfi, out result));
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Assert.AreEqual (false, UInt32.TryParse (" - 1 ", out result));
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Assert.AreEqual (false, UInt32.TryParse (" - ", out result));
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Assert.AreEqual (false, UInt32.TryParse ("100000000", NumberStyles.HexNumber, Nfi, out result));
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Assert.AreEqual (false, UInt32.TryParse ("10000000000", out result));
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Assert.AreEqual (false, UInt32.TryParse ("-10000000000", out result));
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Assert.AreEqual (true, UInt32.TryParse ("7fffffff", NumberStyles.HexNumber, Nfi, out result));
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Assert.AreEqual (Int32.MaxValue, result);
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Assert.AreEqual (true, UInt32.TryParse ("80000000", NumberStyles.HexNumber, Nfi, out result));
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Assert.AreEqual (Int32.MaxValue + (uint)1, result);
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Assert.AreEqual (true, UInt32.TryParse ("ffffffff", NumberStyles.HexNumber, Nfi, out result));
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Assert.AreEqual (uint.MaxValue, result);
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Assert.IsFalse (uint.TryParse ("-", NumberStyles.AllowLeadingSign, Nfi, out result));
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Assert.IsFalse (uint.TryParse (Nfi.CurrencySymbol + "-", NumberStyles.AllowLeadingSign | NumberStyles.AllowCurrencySymbol, Nfi, out result));
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}
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[Test]
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public void TestToString()
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{
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int TestNumber = 1;
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try {
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//test ToString()
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Assert.AreEqual(MyString1, MyUInt32_1.ToString());
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TestNumber++;
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Assert.AreEqual(MyString2, MyUInt32_2.ToString());
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TestNumber++;
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Assert.AreEqual(MyString3, MyUInt32_3.ToString());
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} catch (Exception e) {
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Assert.Fail("TestToString: Assert.Failed on TestNumber=" + TestNumber
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+ " with exception: " + e.ToString());
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}
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//test ToString(string format)
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for (int i=0; i < Formats1.Length; i++) {
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try {
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Assert.AreEqual(Results1[i], MyUInt32_2.ToString(Formats1[i]));
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} catch (Exception e) {
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Assert.Fail("TestToString: MyUInt32_2.ToString(Formats1[i]) i=" + i
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+ ". e = " + e.ToString());
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}
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try {
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Assert.AreEqual(Results2[i], MyUInt32_3.ToString(Formats2[i]));
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} catch (Exception e) {
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Assert.Fail("TestToString: MyUInt32_3.ToString(Formats2[i]) i=" + i
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+ ". e = " + e.ToString());
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}
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}
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//test ToString(string format, IFormatProvider provider);
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for (int i=0; i < Formats1.Length; i++) {
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Assert.AreEqual(ResultsNfi1[i], MyUInt32_2.ToString(Formats1[i], Nfi));
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Assert.AreEqual(ResultsNfi2[i], MyUInt32_3.ToString(Formats2[i], Nfi));
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}
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try {
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MyUInt32_1.ToString("z");
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Assert.Fail("Should raise a System.FormatException");
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}
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catch (Exception e) {
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Assert.IsTrue(typeof(FormatException) == e.GetType());
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}
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}
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[Test]
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public void ToString_Defaults ()
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{
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UInt32 i = 254;
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// everything defaults to "G"
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string def = i.ToString ("G");
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Assert.AreEqual (def, i.ToString (), "ToString()");
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Assert.AreEqual (def, i.ToString ((IFormatProvider)null), "ToString((IFormatProvider)null)");
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Assert.AreEqual (def, i.ToString ((string)null), "ToString((string)null)");
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Assert.AreEqual (def, i.ToString (String.Empty), "ToString(empty)");
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Assert.AreEqual (def, i.ToString (null, null), "ToString(null,null)");
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Assert.AreEqual (def, i.ToString (String.Empty, null), "ToString(empty,null)");
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Assert.AreEqual ("254", def, "ToString(G)");
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}
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}
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}
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