Added tests for Microsoft.VisualBasic.CompilerServices.Conversions do…

…tnet#1… (dotnet#26744)

* Added tests for Microsoft.VisualBasic.CompilerServices.Conversions #14344

* added tests for ToBoolean fro Object

src/Microsoft.VisualBasic/tests/ConversionsTests.cs

@@ -0,0 +1,81 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Collections.Generic;
+using Microsoft.VisualBasic.CompilerServices;
+using Xunit;
+
+namespace Microsoft.VisualBasic.Tests
+{
+ public class ConversionsTests
+ {
+ [Theory]
+ [InlineData("true", true)]
+ [InlineData("false", false)]
+ [InlineData("5", true)]
+ [InlineData("0", false)]
+ [InlineData("5.5", true)]
+ [InlineData("0.0", false)]
+ [InlineData("&h5", true)]
+ [InlineData("&h0", false)]
+ [InlineData("&o5", true)]
+ [InlineData("&o0", false)]
+ public void ToBoolean_String_ReturnsExpected(string str, bool expected)
+ {
+ Assert.Equal(expected, Conversions.ToBoolean(str));
+ }
+
+ [Theory]
+ [InlineData(null)]
+ [InlineData("yes")]
+ [InlineData("contoso")]
+ public void ToBoolean_String_ThrowsOnInvalidFormat(string str)
+ {
+ Assert.Throws<InvalidCastException>(() => Conversions.ToBoolean(str));
+ }
+
+ public static IEnumerable<object[]> ToBoolean_Object_ReturnsExpected_TestData()
+ {
+ yield return new object[] { null, false };
+ yield return new object[] { false, false };
+ yield return new object[] { true, true };
+ yield return new object[] { (sbyte)0, false };
+ yield return new object[] { (sbyte)42, true };
+ yield return new object[] { (byte)0, false };
+ yield return new object[] { (byte)42, true };
+ yield return new object[] { (System.Int16)0, false };
+ yield return new object[] { (System.Int16)42, true };
+ yield return new object[] { (System.UInt16)0, false };
+ yield return new object[] { (System.UInt16)42, true };
+ yield return new object[] { (System.Int32)0, false };
+ yield return new object[] { (System.Int32)42, true };
+ yield return new object[] { (System.UInt32)0, false };
+ yield return new object[] { (System.UInt32)42, true };
+ yield return new object[] { (System.Int64)0, false };
+ yield return new object[] { (System.Int64)42, true };
+ yield return new object[] { (System.UInt64)0, false };
+ yield return new object[] { (System.UInt64)42, true };
+ yield return new object[] { 0.0m, false };
+ yield return new object[] { 0.42m, true };
+ yield return new object[] { (float)0.0, false };
+ yield return new object[] { (float)0.42, true };
+ yield return new object[] { (double)0.0, false };
+ yield return new object[] { (double)0.42, true };
+ }
+
+ [Theory]
+ [MemberData(nameof(ToBoolean_Object_ReturnsExpected_TestData))]
+ public void ToBoolean_Object_ReturnsExpected(object obj, bool expected)
+ {
+ Assert.Equal(expected, Conversions.ToBoolean(obj));
+ }
+
+ [Fact]
+ public void ToBoolean_Object_ThrowsOn_List()
+ {
+ Assert.Throws<InvalidCastException>(() => Conversions.ToBoolean(new List<string>()));
+ }
+ }
+}

src/Microsoft.VisualBasic/tests/Microsoft.VisualBasic.Tests.csproj

@@ -7,6 +7,7 @@
  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'netstandard-Debug|AnyCPU'" />
  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'netstandard-Release|AnyCPU'" />
  <ItemGroup>
+ <Compile Include="ConversionsTests.cs" />
  <Compile Include="OperatorsTests.cs" />
  <Compile Include="UtilsTests.cs" />
  <Compile Include="StringsTests.cs" />
@@ -18,4 +19,4 @@
  <EmbeddedResource Include="Resources\$(AssemblyName).rd.xml" />
  </ItemGroup>
  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
-</Project>
+</Project>