542 lines
18 KiB
C#
542 lines
18 KiB
C#
// Int32Test.cs - NUnit Test Cases for the System.Int32 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 Int32Test
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{
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private const Int32 MyInt32_1 = -42;
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private const Int32 MyInt32_2 = -2147483648;
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private const Int32 MyInt32_3 = 2147483647;
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private const string MyString1 = "-42";
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private const string MyString2 = "-2147483648";
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private const string MyString3 = "2147483647";
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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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"-2147483648", "-2.147484e+009", "-2147483648.00",
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"-2147483648", "-2,147,483,648.00", "-214,748,364,800.00 %", "80000000"};
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private string[] Results2 = {null,
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"2147483647", "2.14748e+009", "2147483647.00000",
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"2.1475e+09", "2,147,483,647.00000", "214,748,364,700.00000 %", "7fffffff"};
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private string[] ResultsNfi1 = {"("+NumberFormatInfo.InvariantInfo.CurrencySymbol+"2,147,483,648.00)",
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"-2147483648", "-2.147484e+009", "-2147483648.00",
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"-2147483648", "-2,147,483,648.00", "-214,748,364,800.00 %", "80000000"};
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private string[] ResultsNfi2 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"2,147,483,647.00000",
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"2147483647", "2.14748e+009", "2147483647.00000",
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"2.1475e+09", "2,147,483,647.00000", "214,748,364,700.00000 %", "7fffffff"};
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private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
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private NumberFormatInfo NfiUser;
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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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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+"2,147,483,648.00)";
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Results1 [3] = "-2147483648." + decimals;
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Results1 [5] = "-2,147,483,648." + decimals;
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Results1 [6] = perPattern.Replace ("n","-214,748,364,800.00");
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Results2 [0] = NumberFormatInfo.CurrentInfo.CurrencySymbol+"2,147,483,647.00000";
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Results2 [6] = perPattern.Replace ("n","214,748,364,700.00000");
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NfiUser = new NumberFormatInfo ();
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NfiUser.CurrencyDecimalDigits = 3;
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NfiUser.CurrencyDecimalSeparator = ":";
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NfiUser.CurrencyGroupSeparator = "/";
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NfiUser.CurrencyGroupSizes = new int[] { 2, 1, 0 };
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NfiUser.CurrencyNegativePattern = 10; // n $-
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NfiUser.CurrencyPositivePattern = 3; // n $
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NfiUser.CurrencySymbol = "XYZ";
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NfiUser.PercentDecimalDigits = 1;
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NfiUser.PercentDecimalSeparator = ";";
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NfiUser.PercentGroupSeparator = "~";
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NfiUser.PercentGroupSizes = new int[] { 1 };
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NfiUser.PercentNegativePattern = 2;
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NfiUser.PercentPositivePattern = 2;
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NfiUser.PercentSymbol = "%%%";
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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(Int32.MinValue, MyInt32_2, "#A01");
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Assert.AreEqual(Int32.MaxValue, MyInt32_3, "#A02");
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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(MyInt32_3.CompareTo(MyInt32_2) > 0, "MyInt32_3.CompareTo(MyInt32_2) > 0");
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Assert.IsTrue(MyInt32_2.CompareTo(MyInt32_2) == 0, "MyInt32_2.CompareTo(MyInt32_2) == 0");
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Assert.IsTrue(MyInt32_1.CompareTo((object)(Int32)(-42)) == 0, "MyInt32_1.CompareTo((Int32)(-42)) == 0");
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Assert.IsTrue(MyInt32_2.CompareTo(MyInt32_3) < 0, "MyInt32_2.CompareTo(MyInt32_3) < 0");
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try {
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MyInt32_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(), "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 (MyInt32_1.Equals (MyInt32_1), "#B01");
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Assert.IsTrue (MyInt32_1.Equals ((Int32)(-42)), "#B02");
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Assert.IsTrue (MyInt32_1.Equals ((object)(SByte)(-42)) == false, "#B03");
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Assert.IsTrue (MyInt32_1.Equals (MyInt32_2) == false, "#B04");
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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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MyInt32_1.GetHashCode();
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MyInt32_2.GetHashCode();
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MyInt32_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.AreEqual (MyInt32_1, Int32.Parse (MyString1), "#C01");
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Assert.AreEqual (MyInt32_2, Int32.Parse (MyString2), "#C02");
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Assert.AreEqual (MyInt32_3, Int32.Parse (MyString3), "#C03");
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Assert.AreEqual (1, Int32.Parse ("1"), "#C04");
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Assert.AreEqual (1, Int32.Parse (" 1"), "#C05");
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Assert.AreEqual (1, Int32.Parse (" 1"), "#C06");
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Assert.AreEqual (1, Int32.Parse ("1 "), "#C07");
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Assert.AreEqual (1, Int32.Parse ("+1"), "#C08");
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Assert.AreEqual (-1, Int32.Parse ("-1"), "#C09");
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Assert.AreEqual (-1, Int32.Parse (" -1"), "#C10");
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Assert.AreEqual (-1, Int32.Parse (" -1 "), "#C11");
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Assert.AreEqual (-1, Int32.Parse (" -1 "), "#C12");
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try {
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Int32.Parse(null);
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Assert.Fail ("#C13: 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(), "#C14");
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}
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try {
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Int32.Parse("not-a-number");
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Assert.Fail ("#C15: 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(), "#C16");
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}
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try {
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double OverInt = (double)Int32.MaxValue + 1;
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Int32.Parse(OverInt.ToString());
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Assert.Fail ("#C17: Should raise a System.OverflowException");
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}
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catch (Exception e) {
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Assert.AreEqual (typeof (OverflowException), e.GetType(), "#C18");
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}
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//test Parse(string s, NumberStyles style)
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Assert.AreEqual (42, Int32.Parse (" $42 ", NumberStyles.Currency), "#C19");
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try {
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Int32.Parse("$42", NumberStyles.Integer);
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Assert.Fail ("#C20: 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(), "#C21");
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}
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//test Parse(string s, IFormatProvider provider)
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Assert.AreEqual (-42, Int32.Parse (" -42 ", Nfi), "#C22");
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try {
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Int32.Parse("%42", Nfi);
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Assert.Fail ("#C23: 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(), "#C24");
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}
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//test Parse(string s, NumberStyles style, IFormatProvider provider)
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Assert.AreEqual (16, Int32.Parse (" 10 ", NumberStyles.HexNumber, Nfi), "#C25");
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try {
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Int32.Parse("$42", NumberStyles.Integer, Nfi);
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Assert.Fail ("#C26: 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(), "#C27");
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}
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try {
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Int32.Parse (" - 1 ");
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Assert.Fail ("#C28: Should raise FormatException");
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} catch (Exception e){
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Assert.IsTrue (typeof (FormatException) == e.GetType (), "#C29");
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}
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try {
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Int32.Parse (" - ");
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Assert.Fail ("#C30: Should raise FormatException");
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} catch (Exception e){
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Assert.IsTrue (typeof (FormatException) == e.GetType (), "#C31");
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}
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Assert.AreEqual (-123, Int32.Parse ("ffffff85", NumberStyles.HexNumber, Nfi), "#C32");
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try {
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Int32.Parse ("100000000", NumberStyles.HexNumber, Nfi);
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Assert.Fail ("#C33: Should raise OverflowException");
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} catch (Exception e){
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Assert.IsTrue (typeof (OverflowException) == e.GetType (), "#C34");
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}
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try {
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Int32.Parse ("2147483648");
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Assert.Fail ("C#35: should raise OverflowException");
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} catch (Exception e) {
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Assert.IsTrue (typeof (OverflowException) == e.GetType (), "C#36");
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}
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try {
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Int32.Parse ("2147483648", CultureInfo.InvariantCulture);
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Assert.Fail ("C#37: should raise OverflowException");
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} catch (Exception e) {
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Assert.IsTrue (typeof (OverflowException) == e.GetType (), "C#38");
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}
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try {
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Int32.Parse (null);
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Assert.Fail ("C#39: Should raise an ArgumentNullException");
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} catch (Exception e){
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Assert.IsTrue (typeof (ArgumentNullException) == e.GetType (), "C#40");
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}
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try {
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Int32.Parse ("123", (NumberStyles) 60000);
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Assert.Fail ("C#41 Should raise an ArgumentException");
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} catch (Exception e){
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Assert.IsTrue (typeof (ArgumentException) == e.GetType (), "C#42");
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}
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try {
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Int32.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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try {
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Int32.Parse ("\xFF15\xFF15", NumberStyles.Any, CultureInfo.InvariantCulture);
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Assert.Fail ("C#43");
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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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Int32.Parse ("123", new DateTimeFormatInfo ());
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Assert.AreEqual (734561, Int32.Parse ("734561\0"), "C#43");
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try {
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Int32.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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Int32.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, Int32.Parse ("734561\0\0\0"), "C#46");
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Assert.AreEqual (0, Int32.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, Int32.Parse ("2E0", NumberStyles.AllowExponent), "A#1");
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Assert.AreEqual (20, Int32.Parse ("2E1", NumberStyles.AllowExponent), "A#2");
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Assert.AreEqual (200, Int32.Parse ("2E2", NumberStyles.AllowExponent), "A#3");
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Assert.AreEqual (2000000, Int32.Parse ("2E6", NumberStyles.AllowExponent), "A#4");
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Assert.AreEqual (200, Int32.Parse ("2E+2", NumberStyles.AllowExponent), "A#5");
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Assert.AreEqual (2, Int32.Parse ("2", NumberStyles.AllowExponent), "A#6");
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Assert.AreEqual (21, Int32.Parse ("2.1E1", NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent), "A#7");
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Assert.AreEqual (520, Int32.Parse (".52E3", NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent), "A#8");
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Assert.AreEqual (32500000, Int32.Parse ("32.5E6", NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent), "A#9");
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Assert.AreEqual (890, Int32.Parse ("8.9000E2", NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent), "A#10");
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Assert.AreEqual (35, Int32.Parse ("3500E-02", NumberStyles.AllowExponent), "A#5");
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try {
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Int32.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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Int32.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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Int32.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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Int32.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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Int32.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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Int32.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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Int32.Parse ("2E-1", NumberStyles.AllowExponent);
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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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Int32.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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Int32.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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int result;
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Assert.AreEqual (true, Int32.TryParse (MyString1, out result));
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Assert.AreEqual (MyInt32_1, result);
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Assert.AreEqual (true, Int32.TryParse (MyString2, out result));
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Assert.AreEqual (MyInt32_2, result);
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Assert.AreEqual (true, Int32.TryParse (MyString3, out result));
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Assert.AreEqual (MyInt32_3, result);
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Assert.AreEqual (true, Int32.TryParse ("1", out result));
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Assert.AreEqual (1, result);
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Assert.AreEqual (true, Int32.TryParse (" 1", out result));
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Assert.AreEqual (1, result);
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Assert.AreEqual (true, Int32.TryParse (" 1", out result));
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Assert.AreEqual (1, result);
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Assert.AreEqual (true, Int32.TryParse ("1 ", out result));
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Assert.AreEqual (1, result);
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Assert.AreEqual (true, Int32.TryParse ("+1", out result));
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Assert.AreEqual (1, result);
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Assert.AreEqual (true, Int32.TryParse ("-1", out result));
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Assert.AreEqual (-1, result);
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Assert.AreEqual (true, Int32.TryParse (" -1", out result));
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Assert.AreEqual (-1, result);
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Assert.AreEqual (true, Int32.TryParse (" -1 ", out result));
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Assert.AreEqual (-1, result);
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Assert.AreEqual (true, Int32.TryParse (" -1 ", out result));
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Assert.AreEqual (-1, result);
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result = 1;
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Assert.AreEqual (false, Int32.TryParse (null, out result));
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Assert.AreEqual (0, result);
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Assert.AreEqual (false, Int32.TryParse ("not-a-number", out result));
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double OverInt = (double)Int32.MaxValue + 1;
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Assert.AreEqual (false, Int32.TryParse (OverInt.ToString (), out result));
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Assert.AreEqual (false, Int32.TryParse (OverInt.ToString (), NumberStyles.None, CultureInfo.InvariantCulture, out result));
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Assert.AreEqual (false, Int32.TryParse ("$42", NumberStyles.Integer, null, out result));
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Assert.AreEqual (false, Int32.TryParse ("%42", NumberStyles.Integer, Nfi, out result));
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Assert.AreEqual (false, Int32.TryParse ("$42", NumberStyles.Integer, Nfi, out result));
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Assert.AreEqual (false, Int32.TryParse (" - 1 ", out result));
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Assert.AreEqual (false, Int32.TryParse (" - ", out result));
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Assert.AreEqual (false, Int32.TryParse ("100000000", NumberStyles.HexNumber, Nfi, out result));
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Assert.AreEqual (false, Int32.TryParse ("10000000000", out result));
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Assert.AreEqual (false, Int32.TryParse ("-10000000000", out result));
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Assert.AreEqual (true, Int32.TryParse ("7fffffff", NumberStyles.HexNumber, Nfi, out result));
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Assert.AreEqual (Int32.MaxValue, result);
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Assert.AreEqual (true, Int32.TryParse ("80000000", NumberStyles.HexNumber, Nfi, out result));
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Assert.AreEqual (Int32.MinValue, result);
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Assert.AreEqual (true, Int32.TryParse ("ffffffff", NumberStyles.HexNumber, Nfi, out result));
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Assert.AreEqual (-1, result);
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Assert.AreEqual (false, Int32.TryParse ("100000000", NumberStyles.HexNumber, Nfi, out result));
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Assert.IsFalse (int.TryParse ("-", NumberStyles.AllowLeadingSign, Nfi, out result));
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Assert.IsFalse (int.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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//test ToString()
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Assert.AreEqual (MyString1, MyInt32_1.ToString (), "#D01");
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Assert.AreEqual (MyString2, MyInt32_2.ToString (), "#D02");
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Assert.AreEqual (MyString3, MyInt32_3.ToString (), "#D03");
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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], MyInt32_2.ToString (Formats1 [i], Nfi),
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"#D04(" + i + "," + Formats1 [i] + ")");
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Assert.AreEqual (ResultsNfi2 [i], MyInt32_3.ToString (Formats2 [i], Nfi),
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"#D05(" + i + "," + Formats2 [i] + ")");
|
||
}
|
||
|
||
//test ToString(string format)
|
||
for (int i=0; i < Formats1.Length; i++) {
|
||
Assert.AreEqual (Results1 [i], MyInt32_2.ToString(Formats1[i]), "#D06(" + i + ")");
|
||
Assert.AreEqual (Results2 [i], MyInt32_3.ToString(Formats2[i]),
|
||
"#D07(" + i + ")");
|
||
|
||
}
|
||
|
||
try {
|
||
MyInt32_1.ToString("z");
|
||
Assert.Fail ("#D08: Should raise a System.FormatException");
|
||
}
|
||
catch (Exception e) {
|
||
Assert.IsTrue (typeof (FormatException) == e.GetType(), "#D09");
|
||
}
|
||
}
|
||
|
||
[Test]
|
||
public void TestCustomToString()
|
||
{
|
||
int i = 123;
|
||
|
||
Assert.AreEqual ("00123", i.ToString ("00000"), "Custom format string 00000");
|
||
Assert.AreEqual ("123", i.ToString ("####"), "Custom format string ####");
|
||
Assert.AreEqual ("0123", i.ToString ("0###"), "Custom format string ####");
|
||
Assert.AreEqual ("0123", i.ToString ("#0###"), "Custom format string ####");
|
||
Assert.AreEqual ("000123", i.ToString ("0#0###"), "Custom format string ####");
|
||
}
|
||
|
||
[Test]
|
||
public void TestSections ()
|
||
{
|
||
int hundred = 100;
|
||
int neghund = -100;
|
||
|
||
Assert.AreEqual ("100", hundred.ToString ("#;#"), "#TS1");
|
||
Assert.AreEqual ("-100", hundred.ToString ("-#;#"), "#TS2");
|
||
Assert.AreEqual ("100", neghund.ToString ("#;#"), "#TS3");
|
||
Assert.AreEqual ("-100", neghund.ToString ("#;-#"), "#TS4");
|
||
Assert.AreEqual ("3", 0.ToString ("3;;"), "#TS5");
|
||
Assert.AreEqual ("3", 0.ToString ("3;2;"), "#TS6");
|
||
Assert.AreEqual ("3", 0.ToString ("3;"), "#TS7");
|
||
Assert.AreEqual ("3", 0.ToString ("3;;;;;;;"), "#TS8");
|
||
}
|
||
|
||
[Test]
|
||
public void ToString_Defaults ()
|
||
{
|
||
Int32 i = 254;
|
||
// everything defaults to "G"
|
||
string def = i.ToString ("G");
|
||
Assert.AreEqual (def, i.ToString (), "ToString()");
|
||
Assert.AreEqual (def, i.ToString ((IFormatProvider)null), "ToString((IFormatProvider)null)");
|
||
Assert.AreEqual (def, i.ToString ((string)null), "ToString((string)null)");
|
||
Assert.AreEqual (def, i.ToString (String.Empty), "ToString(empty)");
|
||
Assert.AreEqual (def, i.ToString (null, null), "ToString(null,null)");
|
||
Assert.AreEqual (def, i.ToString (String.Empty, null), "ToString(empty,null)");
|
||
|
||
Assert.AreEqual ("254", def, "ToString(G)");
|
||
}
|
||
|
||
[Test]
|
||
public void ParseRespectCurrentCulture ()
|
||
{
|
||
var old = Thread.CurrentThread.CurrentCulture;
|
||
var cur = (CultureInfo)old.Clone ();
|
||
|
||
NumberFormatInfo ninfo = new NumberFormatInfo ();
|
||
ninfo.NegativeSign = ">";
|
||
ninfo.PositiveSign = "%";
|
||
cur.NumberFormat = ninfo;
|
||
|
||
Thread.CurrentThread.CurrentCulture = cur;
|
||
|
||
int val = 0;
|
||
|
||
try {
|
||
Assert.IsTrue (int.TryParse (">11", out val), "#1");
|
||
Assert.AreEqual (-11, val, "#2");
|
||
Assert.IsTrue (int.TryParse ("%11", out val), "#3");
|
||
Assert.AreEqual (11, val, "#4");
|
||
} finally {
|
||
Thread.CurrentThread.CurrentCulture = old;
|
||
}
|
||
}
|
||
|
||
[Test]
|
||
public void TestUserCurrency ()
|
||
{
|
||
const int val1 = -1234567;
|
||
const int val2 = 1234567;
|
||
|
||
string s = "";
|
||
int v;
|
||
s = val1.ToString ("c", NfiUser);
|
||
Assert.AreEqual ("1234/5/67:000 XYZ-", s, "Currency value type 1 is not what we want to try to parse");
|
||
v = Int32.Parse ("1234/5/67:000 XYZ-", NumberStyles.Currency, NfiUser);
|
||
Assert.AreEqual (val1, v);
|
||
|
||
s = val2.ToString ("c", NfiUser);
|
||
Assert.AreEqual ("1234/5/67:000 XYZ", s, "Currency value type 2 is not what we want to try to parse");
|
||
v = Int32.Parse (s, NumberStyles.Currency, NfiUser);
|
||
Assert.AreEqual (val2, v);
|
||
}
|
||
}
|
||
|
||
}
|