using System;
 
using Xunit;
 
public class StartsWithExceptionTests
{
	[Fact]
	public void ActualStringNotLongerThanActualStringDoesNotTruncateActualString()
	{
		var expectedMessage =
			"Assert.StartsWith() Failure:" + Environment.NewLine +
			"Expected: WORLD" + Environment.NewLine +
			"Actual:   Hello";
 
		var ex = Record.Exception(() => Assert.StartsWith("WORLD", "Hello"));
 
		Assert.NotNull(ex);
		Assert.Equal(expectedMessage, ex.Message);
	}
 
	[Fact]
	public void ActualStringLongerThanActualStringTruncatesActualString()
	{
		var expectedMessage =
			"Assert.StartsWith() Failure:" + Environment.NewLine +
			"Expected: WORLD" + Environment.NewLine +
			"Actual:   Hello...";
 
		var ex = Record.Exception(() => Assert.StartsWith("WORLD", "Hello, world!"));
 
		Assert.NotNull(ex);
		Assert.Equal(expectedMessage, ex.Message);
	}
 
	[Fact]
	public void ActualStringIsNullAndExpectedIsNotShowsNullPlaceholderText()
	{
		var expectedMessage =
			"Assert.StartsWith() Failure:" + Environment.NewLine +
			"Expected: first test 1" + Environment.NewLine +
			"Actual:   (null)";
 
		var ex = Record.Exception(() => Assert.StartsWith("first test 1", null));
 
		Assert.NotNull(ex);
		Assert.Equal(expectedMessage, ex.Message);
	}
 
	[Fact]
	public void ExpectedStringIsNullAndActualIsNotShowsNullPlaceholderText()
	{
		var expectedMessage =
			"Assert.StartsWith() Failure:" + Environment.NewLine +
			"Expected: (null)" + Environment.NewLine +
			"Actual:   first test 1";
 
		var ex = Record.Exception(() => Assert.StartsWith(null, "first test 1"));
 
		Assert.NotNull(ex);
		Assert.Equal(expectedMessage, ex.Message);
	}
}