385 lines
11 KiB
C#
385 lines
11 KiB
C#
//
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// System.ComponentModel.DoubleConverter test cases
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//
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// Authors:
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// Gert Driesen (drieseng@users.sourceforge.net)
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//
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// (c) 2005 Novell, Inc. (http://www.ximian.com)
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//
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using System;
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using System.ComponentModel;
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using System.ComponentModel.Design.Serialization;
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using System.Globalization;
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using NUnit.Framework;
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namespace MonoTests.System.ComponentModel
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{
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[TestFixture]
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public class DoubleConverterTests
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{
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private DoubleConverter converter;
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[SetUp]
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public void SetUp ()
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{
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converter = new DoubleConverter ();
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}
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[Test]
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public void CanConvertFrom ()
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{
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Assert.IsTrue (converter.CanConvertFrom (typeof (string)), "#1");
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Assert.IsFalse (converter.CanConvertFrom (typeof (double)), "#2");
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Assert.IsFalse (converter.CanConvertFrom (typeof (object)), "#3");
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Assert.IsTrue (converter.CanConvertFrom (typeof (InstanceDescriptor)), "#4");
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}
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[Test]
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public void CanConvertTo ()
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{
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Assert.IsTrue (converter.CanConvertTo (typeof (string)), "#1");
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Assert.IsFalse (converter.CanConvertTo (typeof (object)), "#2");
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Assert.IsTrue (converter.CanConvertTo (typeof (int)), "#3");
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}
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[Test]
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public void ConvertFrom_String ()
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{
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Assert.AreEqual (10, converter.ConvertFrom (null, CultureInfo.InvariantCulture, "10"), "#1");
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}
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[Test]
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[ExpectedException (typeof (NotSupportedException))]
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public void ConvertFrom_Object ()
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{
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converter.ConvertFrom (new object ());
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}
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[Test]
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[ExpectedException (typeof (NotSupportedException))]
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public void ConvertFrom_Int32 ()
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{
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converter.ConvertFrom (int.MaxValue);
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}
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[Test]
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public void ConvertTo_Negative ()
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{
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Assert.AreEqual ((-1.5D).ToString (CultureInfo.InvariantCulture),
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converter.ConvertTo (null, CultureInfo.InvariantCulture, -1.5D,
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typeof (string)), "#1");
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Assert.AreEqual ((-1.5D).ToString (CultureInfo.CurrentCulture),
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converter.ConvertTo (null, CultureInfo.CurrentCulture, -1.5D,
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typeof (string)), "#2");
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Assert.AreEqual ((-1.5D).ToString (CultureInfo.CurrentCulture),
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converter.ConvertTo (-1.5D, typeof (string)), "#3");
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}
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[Test]
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public void ConvertTo_Positive ()
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{
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Assert.AreEqual (1.5D.ToString (CultureInfo.InvariantCulture),
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converter.ConvertTo (null, CultureInfo.InvariantCulture, 1.5D,
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typeof (string)), "#1");
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Assert.AreEqual (1.5D.ToString (CultureInfo.CurrentCulture),
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converter.ConvertTo (null, CultureInfo.CurrentCulture, 1.5D,
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typeof (string)), "#2");
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Assert.AreEqual (1.5D.ToString (CultureInfo.CurrentCulture),
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converter.ConvertTo (1.5D, typeof (string)), "#3");
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}
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[Test]
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public void ConvertToString_Negative ()
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{
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Assert.AreEqual ((-1.5D).ToString (CultureInfo.InvariantCulture),
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converter.ConvertToString (null, CultureInfo.InvariantCulture,
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-1.5D), "#1");
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Assert.AreEqual ((-1.5D).ToString (CultureInfo.CurrentCulture),
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converter.ConvertToString (null, -1.5D), "#2");
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Assert.AreEqual ((-1.5D).ToString (CultureInfo.CurrentCulture),
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converter.ConvertToString (null, CultureInfo.CurrentCulture,
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-1.5D), "#3");
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Assert.AreEqual ((-1.5D).ToString (CultureInfo.CurrentCulture),
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converter.ConvertToString (-1.5D), "#4");
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}
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[Test]
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public void ConvertToString_Positive ()
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{
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Assert.AreEqual (1.5D.ToString (CultureInfo.InvariantCulture),
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converter.ConvertToString (null, CultureInfo.InvariantCulture,
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1.5D), "#1");
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Assert.AreEqual (1.5D.ToString (CultureInfo.CurrentCulture),
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converter.ConvertToString (null, 1.5D), "#2");
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Assert.AreEqual (1.5D.ToString (CultureInfo.CurrentCulture),
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converter.ConvertToString (null, CultureInfo.CurrentCulture,
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1.5D), "#3");
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Assert.AreEqual (1.5D.ToString (CultureInfo.CurrentCulture),
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converter.ConvertToString (1.5D), "#4");
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}
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[Test]
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public void ConvertToString ()
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{
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CultureInfo culture = new MyCultureInfo ();
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NumberFormatInfo numberFormatInfo = (NumberFormatInfo) culture.GetFormat (typeof (NumberFormatInfo));
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Assert.AreEqual (numberFormatInfo.NegativeSign + "5", converter.ConvertToString (null, culture, (double) -5), "#1");
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Assert.AreEqual (culture.NumberFormat.NegativeSign + "5", converter.ConvertToString (null, culture, (int) -5), "#2");
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}
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[Test]
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public void ConvertFromString ()
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{
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CultureInfo culture = new MyCultureInfo ();
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NumberFormatInfo numberFormatInfo = (NumberFormatInfo) culture.GetFormat (typeof (NumberFormatInfo));
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Assert.AreEqual (-5, converter.ConvertFrom (null, culture, numberFormatInfo.NegativeSign + "5"));
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}
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[Test]
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public void ConvertFrom_InvalidValue ()
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{
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try {
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converter.ConvertFrom ("*1");
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Assert.Fail ("#1");
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} catch (AssertionException) {
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throw;
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} catch (Exception ex) {
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Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
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Assert.IsNotNull (ex.InnerException, "#3");
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Assert.AreEqual (typeof (FormatException), ex.InnerException.GetType (), "#3");
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}
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}
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[Test]
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public void ConvertFrom_InvalidValue_Invariant ()
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{
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try {
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converter.ConvertFrom (null, CultureInfo.InvariantCulture, "*1");
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Assert.Fail ("#1");
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} catch (AssertionException) {
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throw;
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} catch (Exception ex) {
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Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
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Assert.IsNotNull (ex.InnerException, "#3");
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Assert.AreEqual (typeof (FormatException), ex.InnerException.GetType (), "#3");
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}
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}
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[Test]
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public void ConvertFrom_Base10_MinOverflow ()
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{
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string minOverflow = double.MinValue.ToString (
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CultureInfo.CurrentCulture);
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try {
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converter.ConvertFrom (minOverflow);
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Assert.Fail ("#1");
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} catch (AssertionException) {
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throw;
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} catch (Exception ex) {
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Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
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Assert.IsNotNull (ex.InnerException, "#3");
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Assert.AreEqual (typeof (OverflowException), ex.InnerException.GetType (), "#3");
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}
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}
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[Test]
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public void ConvertFrom_Base10_MinOverflow_Invariant ()
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{
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string minOverflow = double.MinValue.ToString (
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CultureInfo.InvariantCulture);
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try {
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converter.ConvertFrom (null, CultureInfo.InvariantCulture,
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minOverflow);
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Assert.Fail ("#1");
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} catch (AssertionException) {
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throw;
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} catch (Exception ex) {
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Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
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Assert.IsNotNull (ex.InnerException, "#3");
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Assert.AreEqual (typeof (OverflowException), ex.InnerException.GetType (), "#3");
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}
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}
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[Test]
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public void ConvertFrom_Base10_MaxOverflow ()
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{
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string maxOverflow = double.MaxValue.ToString (
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CultureInfo.CurrentCulture);
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try {
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converter.ConvertFrom (maxOverflow);
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Assert.Fail ("#1");
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} catch (AssertionException) {
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throw;
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} catch (Exception ex) {
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Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
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Assert.IsNotNull (ex.InnerException, "#3");
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Assert.AreEqual (typeof (OverflowException), ex.InnerException.GetType (), "#3");
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}
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}
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[Test]
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public void ConvertFrom_Base10_MaxOverflow_Invariant ()
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{
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string maxOverflow = double.MaxValue.ToString (
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CultureInfo.InvariantCulture);
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try {
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converter.ConvertFrom (null, CultureInfo.InvariantCulture,
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maxOverflow);
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Assert.Fail ("#1");
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} catch (AssertionException) {
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throw;
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} catch (Exception ex) {
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Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
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Assert.IsNotNull (ex.InnerException, "#3");
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Assert.AreEqual (typeof (OverflowException), ex.InnerException.GetType (), "#3");
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}
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}
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[Test]
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public void ConvertFromString_InvalidValue ()
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{
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try {
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converter.ConvertFromString ("*1");
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Assert.Fail ("#1");
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} catch (AssertionException) {
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throw;
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} catch (Exception ex) {
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Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
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Assert.IsNotNull (ex.InnerException, "#3");
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Assert.AreEqual (typeof (FormatException), ex.InnerException.GetType (), "#3");
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}
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}
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[Test]
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public void ConvertFromString_InvalidValue_Invariant ()
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{
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try {
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converter.ConvertFromString (null, CultureInfo.InvariantCulture, "*1");
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Assert.Fail ("#1");
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} catch (AssertionException) {
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throw;
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} catch (Exception ex) {
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Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
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Assert.IsNotNull (ex.InnerException, "#3");
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Assert.AreEqual (typeof (FormatException), ex.InnerException.GetType (), "#3");
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}
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}
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[Test]
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public void ConvertFromString_Base10_MinOverflow ()
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{
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string minOverflow = double.MinValue.ToString (
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CultureInfo.CurrentCulture);
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try {
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converter.ConvertFromString (minOverflow);
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Assert.Fail ("#1");
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} catch (AssertionException) {
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throw;
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} catch (Exception ex) {
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Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
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Assert.IsNotNull (ex.InnerException, "#3");
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Assert.AreEqual (typeof (OverflowException), ex.InnerException.GetType (), "#3");
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}
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}
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[Test]
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public void ConvertFromString_Base10_MinOverflow_Invariant ()
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{
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string minOverflow = double.MinValue.ToString (
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CultureInfo.InvariantCulture);
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try {
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converter.ConvertFromString (null, CultureInfo.InvariantCulture,
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minOverflow);
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Assert.Fail ("#1");
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} catch (AssertionException) {
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throw;
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} catch (Exception ex) {
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Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
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Assert.IsNotNull (ex.InnerException, "#3");
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Assert.AreEqual (typeof (OverflowException), ex.InnerException.GetType (), "#3");
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}
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}
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[Test]
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public void ConvertFromString_Base10_MaxOverflow ()
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{
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string maxOverflow = double.MaxValue.ToString (
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CultureInfo.CurrentCulture);
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try {
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converter.ConvertFromString (maxOverflow);
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Assert.Fail ("#1");
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} catch (AssertionException) {
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throw;
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} catch (Exception ex) {
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Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
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Assert.IsNotNull (ex.InnerException, "#3");
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Assert.AreEqual (typeof (OverflowException), ex.InnerException.GetType (), "#3");
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}
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}
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[Test]
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public void ConvertFromString_Base10_MaxOverflow_Invariant ()
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{
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string maxOverflow = double.MaxValue.ToString (
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CultureInfo.InvariantCulture);
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try {
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converter.ConvertFromString (null, CultureInfo.InvariantCulture,
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maxOverflow);
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Assert.Fail ("#1");
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} catch (AssertionException) {
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throw;
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} catch (Exception ex) {
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Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
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Assert.IsNotNull (ex.InnerException, "#3");
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Assert.AreEqual (typeof (OverflowException), ex.InnerException.GetType (), "#3");
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}
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}
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[Serializable]
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private sealed class MyCultureInfo : CultureInfo
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{
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internal MyCultureInfo ()
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: base ("en-US")
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{
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}
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public override object GetFormat (Type formatType)
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{
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if (formatType == typeof (NumberFormatInfo)) {
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NumberFormatInfo nfi = (NumberFormatInfo) ((NumberFormatInfo) base.GetFormat (formatType)).Clone ();
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nfi.NegativeSign = "myNegativeSign";
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return NumberFormatInfo.ReadOnly (nfi);
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} else {
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return base.GetFormat (formatType);
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}
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}
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// adding this override in 1.x shows different result in .NET (it is ignored).
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// Some compatibility kids might want to fix this issue.
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public override NumberFormatInfo NumberFormat {
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get {
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NumberFormatInfo nfi = (NumberFormatInfo) base.NumberFormat.Clone ();
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nfi.NegativeSign = "myNegativeSign";
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return nfi;
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}
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set { throw new NotSupportedException (); }
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}
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}
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}
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}
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