276 lines
8.3 KiB
C#
276 lines
8.3 KiB
C#
// UInt16Test.cs - NUnit Test Cases for the System.UInt16 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.Threading;
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using System.Globalization;
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namespace MonoTests.System
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{
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[TestFixture]
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public class UInt16Test
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{
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private const UInt16 MyUInt16_1 = 42;
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private const UInt16 MyUInt16_2 = 0;
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private const UInt16 MyUInt16_3 = 65535;
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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 = "65535";
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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 = {null,
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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 = {null,
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"65535", "6.55350e+004", "65535.00000",
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"65535", "65,535.00000", "6,553,500.00000 %", "0ffff"};
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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[] ResultsNfi2 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"65,535.00000",
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"65535", "6.55350e+004", "65535.00000",
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"65535", "65,535.00000", "6,553,500.00000 %", "0ffff"};
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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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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 + "65,535.00000";
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Results2 [6] = perPattern.Replace ("n","6,553,500.00000");
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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(UInt16.MinValue, MyUInt16_2);
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Assert.AreEqual(UInt16.MaxValue, MyUInt16_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.AreEqual(65535, MyUInt16_3.CompareTo(MyUInt16_2), "#1");
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Assert.AreEqual(0, MyUInt16_2.CompareTo(MyUInt16_2), "#2");
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Assert.AreEqual(0, MyUInt16_1.CompareTo((UInt16)(42)), "#3");
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Assert.AreEqual(-65535, MyUInt16_2.CompareTo(MyUInt16_3), "#4");
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try {
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MyUInt16_2.CompareTo((object)100);
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Assert.Fail("Should raise a System.ArgumentException");
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} catch (ArgumentException e) {
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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(MyUInt16_1.Equals(MyUInt16_1));
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Assert.IsTrue(MyUInt16_1.Equals((object)(UInt16)(42)));
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Assert.IsTrue(MyUInt16_1.Equals((object)(SByte)(42)) == false);
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Assert.IsTrue(MyUInt16_1.Equals(MyUInt16_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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MyUInt16_1.GetHashCode();
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MyUInt16_2.GetHashCode();
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MyUInt16_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(MyUInt16_1 == UInt16.Parse(MyString1));
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Assert.IsTrue(MyUInt16_2 == UInt16.Parse(MyString2));
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Assert.IsTrue(MyUInt16_3 == UInt16.Parse(MyString3));
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try {
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UInt16.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());
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}
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try {
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UInt16.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());
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}
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try {
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int OverInt = UInt16.MaxValue + 1;
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UInt16.Parse(OverInt.ToString());
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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());
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}
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//test Parse(string s, NumberStyles style)
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Assert.IsTrue(42 == UInt16.Parse(" "+NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 ", NumberStyles.Currency));
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try {
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UInt16.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 == UInt16.Parse(" 42 ", Nfi));
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try {
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UInt16.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 == UInt16.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
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try {
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UInt16.Parse("$42", NumberStyles.Integer, 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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}
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[Test]
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public void TestParseExponent ()
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{
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Assert.AreEqual (2, UInt16.Parse ("2E0", NumberStyles.AllowExponent), "A#1");
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Assert.AreEqual (20, UInt16.Parse ("2E1", NumberStyles.AllowExponent), "A#2");
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Assert.AreEqual (200, UInt16.Parse ("2E2", NumberStyles.AllowExponent), "A#3");
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Assert.AreEqual (200, UInt16.Parse ("2E+2", NumberStyles.AllowExponent), "A#4");
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Assert.AreEqual (2, UInt16.Parse ("2", NumberStyles.AllowExponent), "A#5");
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try {
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UInt16.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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UInt16.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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UInt16.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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UInt16.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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UInt16.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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UInt16.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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UInt16.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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UInt16.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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}
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[Test]
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public void TestToString()
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{
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//test ToString()
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Assert.AreEqual(MyString1, MyUInt16_1.ToString(), "A1");
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Assert.AreEqual(MyString2, MyUInt16_2.ToString(), "A2");
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Assert.AreEqual(MyString3, MyUInt16_3.ToString(), "A3");
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//test ToString(string format)
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for (int i=0; i < Formats1.Length; i++) {
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Console.WriteLine ("d:" + NumberFormatInfo.CurrentInfo.NumberDecimalDigits);
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Assert.AreEqual(Results1[i], MyUInt16_2.ToString(Formats1[i]), "A4:"+i.ToString());
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Assert.AreEqual(Results2[i], MyUInt16_3.ToString(Formats2[i]), "A5:"+i.ToString());
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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], MyUInt16_2.ToString(Formats1[i], Nfi), "A6:"+i.ToString());
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Assert.AreEqual(ResultsNfi2[i], MyUInt16_3.ToString(Formats2[i], Nfi), "A7:"+i.ToString());
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}
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try {
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MyUInt16_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(), "A8");
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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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UInt16 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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