301 lines
9.4 KiB
C#
301 lines
9.4 KiB
C#
// Int16Test.cs - NUnit Test Cases for the System.Int16 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 Int16Test
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{
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private const Int16 MyInt16_1 = -42;
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private const Int16 MyInt16_2 = -32768;
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private const Int16 MyInt16_3 = 32767;
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private const string MyString1 = "-42";
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private const string MyString2 = "-32768";
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private const string MyString3 = "32767";
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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, "-32768", "-3.276800e+004", "-32768.00",
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"-32768", "-32,768.00", "-3,276,800.00 %", "8000"};
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private string[] Results2 = {null, "32767", "3.27670e+004", "32767.00000",
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"32767", "32,767.00000", "3,276,700.00000 %", "07fff"};
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private string[] ResultsNfi1 = {"("+NumberFormatInfo.InvariantInfo.CurrencySymbol+"32,768.00)", "-32768", "-3.276800e+004", "-32768.00",
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"-32768", "-32,768.00", "-3,276,800.00 %", "8000"};
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private string[] ResultsNfi2 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"32,767.00000", "32767", "3.27670e+004", "32767.00000",
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"32767", "32,767.00000", "3,276,700.00000 %", "07fff"};
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private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
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private CultureInfo old_culture;
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[TestFixtureSetUp]
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public void SetUpFixture ()
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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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Results1 [0] = "("+NumberFormatInfo.CurrentInfo.CurrencySymbol+"32,768.00)";
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Results2 [0] = NumberFormatInfo.CurrentInfo.CurrencySymbol+"32,767.00000";
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}
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[SetUp]
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public void Setup ()
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{
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Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US", false);
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}
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[TestFixtureTearDown]
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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(Int16.MinValue, MyInt16_2);
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Assert.AreEqual(Int16.MaxValue, MyInt16_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, MyInt16_3.CompareTo(MyInt16_2), "#1");
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Assert.AreEqual(0, MyInt16_2.CompareTo(MyInt16_2), "#2");
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Assert.AreEqual(0, MyInt16_1.CompareTo((Int16)(-42)), "#3");
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Assert.AreEqual(-65535, MyInt16_2.CompareTo(MyInt16_3), "#4");
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try {
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MyInt16_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(MyInt16_1.Equals(MyInt16_1));
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Assert.IsTrue(MyInt16_1.Equals((object)(Int16)(-42)));
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Assert.IsTrue(MyInt16_1.Equals((object)(SByte)(-42)) == false);
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Assert.IsTrue(MyInt16_1.Equals(MyInt16_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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MyInt16_1.GetHashCode();
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MyInt16_2.GetHashCode();
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MyInt16_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(MyInt16_1 == Int16.Parse(MyString1));
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Assert.IsTrue(MyInt16_2 == Int16.Parse(MyString2));
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Assert.IsTrue(MyInt16_3 == Int16.Parse(MyString3));
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try {
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Int16.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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Int16.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 = Int16.MaxValue + 1;
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Int16.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 == Int16.Parse(" $42 ", NumberStyles.Currency));
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try {
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Int16.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 == Int16.Parse(" -42 ", Nfi));
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try {
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Int16.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 == Int16.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
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try {
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Int16.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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Assert.AreEqual (7345, Int16.Parse ("7345\0"), "#1");
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try {
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Int16.Parse ("7345\0\0\0 \0");
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Assert.Fail ("#2");
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} catch (FormatException) {}
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try {
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Int16.Parse ("7345\0\0\0 ");
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Assert.Fail ("#3");
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} catch (FormatException) {}
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Assert.AreEqual (7345, Int16.Parse ("7345\0\0\0"), "#4");
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Assert.AreEqual (0, Int16.Parse ("0+", NumberStyles.Any), "#5");
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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, Int16.Parse ("2E0", NumberStyles.AllowExponent), "A#1");
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Assert.AreEqual (20, Int16.Parse ("2E1", NumberStyles.AllowExponent), "A#2");
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Assert.AreEqual (200, Int16.Parse ("2E2", NumberStyles.AllowExponent), "A#3");
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Assert.AreEqual (200, Int16.Parse ("2E+2", NumberStyles.AllowExponent), "A#4");
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Assert.AreEqual (2, Int16.Parse ("2", NumberStyles.AllowExponent), "A#5");
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try {
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Int16.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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Int16.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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Int16.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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Int16.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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Int16.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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Int16.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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Int16.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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Int16.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 Parse_MinMax ()
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{
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Assert.AreEqual (Int16.MinValue, Int16.Parse ("-32768"), "MinValue");
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Assert.AreEqual (Int16.MaxValue, Int16.Parse ("32767"), "MaxValue");
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Assert.AreEqual (-1, Int16.Parse ("FFFF", NumberStyles.HexNumber), "MaxHex");
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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.IsTrue(String.Compare(MyString1, MyInt16_1.ToString()) == 0);
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Assert.IsTrue(String.Compare(MyString2, MyInt16_2.ToString()) == 0);
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Assert.IsTrue(String.Compare(MyString3, MyInt16_3.ToString()) == 0);
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//test ToString(string format)
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/*
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TODO: These tests are culture sensitive. Need to find a way to determine the culture
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of the system to decide the correct expected result.
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for (int i=0; i < Formats1.Length; i++) {
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Assert.IsTrue(String.Compare(Results1[i], MyInt16_2.ToString(Formats1[i])) == 0);
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Assert.IsTrue(String.Compare(Results2[i], MyInt16_3.ToString(Formats2[i])) == 0);
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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.IsTrue(String.Compare(ResultsNfi1[i], MyInt16_2.ToString(Formats1[i], Nfi)) == 0, "i="+i+", ResultsNfi1[i]="+ResultsNfi1[i]+", MyInt16_2.ToString(Formats1[i]="+Formats1[i]+"): Expected "+ResultsNfi1[i]+" but got "+MyInt16_2.ToString(Formats1[i], Nfi));
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Assert.IsTrue(String.Compare(ResultsNfi2[i], MyInt16_3.ToString(Formats2[i], Nfi)) == 0, "i="+i+", ResultsNfi2[i]="+ResultsNfi2[i]+", MyInt16_3.ToString(Formats2[i]="+Formats2[i]+"): Expected "+ResultsNfi2[i]+" but got "+MyInt16_3.ToString(Formats2[i], Nfi));
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}
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try {
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MyInt16_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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Int16 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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[Test]
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public void Bug3677 ()
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{
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Assert.AreEqual (-7197, short.Parse("E3E3", NumberStyles.HexNumber), "HexNumber");
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}
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}
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}
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