public void StringStartsWith()
{
string expectedValue = "XX";
string actualValue = "xxx";
// MSTest
MSTestStringAssert.StartsWith(actualValue, expectedValue, "Some context");
// StringAssert.StartsWith failed. String 'xxx' does not start with string 'XX'. Some context
// NUnit
Assert.That(actualValue, Does.StartWith(expectedValue), () => "Some context");
// Some context
// Expected: String starting with "XX"
// But was: "xxx"
// XUnit
XUnitAssert.StartsWith(expectedValue, actualValue);
// Assert.StartsWith() Failure
// Not found: XX
// In value: xx...
// Fluent
actualValue.Should().StartWith(expectedValue, "SOME REASONS");
// Expected actualValue to start with "XX" because SOME REASONS, but "xxx" differs near "xxx" (index 0).
// Shouldly
actualValue.ShouldStartWith(expectedValue, "Some context", Case.Sensitive);
// actualValue
// should start with
// "XX"
// but was
// "xxx"
//
// Additional Info:
// Some context
}
/// <summary>
/// Tests whether the specified string begins with the specified substring
/// and throws an exception if the test string does not start with the
/// substring.
/// </summary>
/// <param name="value">
/// The string that is expected to begin with <paramref name="substring"/>.
/// </param>
/// <param name="substring">
/// The string expected to be a prefix of <paramref name="value"/>.
/// </param>
/// <param name="message">
/// The message to include in the exception when <paramref name="value"/>
/// does not begin with <paramref name="substring"/>. The message is
/// shown in test results.
/// </param>
/// <exception cref="AssertFailedException">
/// Thrown if <paramref name="value"/> does not begin with
/// <paramref name="substring"/>.
/// </exception>
public static void StartsWith(string value, string substring, string message)
{
StringAssert.StartsWith(value, substring, message, null);
}
/// <summary>
/// Tests whether the specified string begins with the specified substring
/// and throws an exception if the test string does not start with the
/// substring.
/// </summary>
/// <param name="value">
/// The string that is expected to begin with <paramref name="substring"/>.
/// </param>
/// <param name="substring">
/// The string expected to be a prefix of <paramref name="value"/>.
/// </param>
/// <exception cref="AssertFailedException">
/// Thrown if <paramref name="value"/> does not begin with
/// <paramref name="substring"/>.
/// </exception>
public static void StartsWith(string value, string substring)
{
StringAssert.StartsWith(value, substring, string.Empty, null);
}