public void to_boolean()
{
Assert.Throws <ArgumentNullException>(() => StringExtensions.ToBoolean(null));
Assert.Throws <ArgumentException>(() => string.Empty.ToBoolean());
const string Invalid = "invalid";
Assert.False(bool.FalseString.ToBoolean());
Assert.True(bool.TrueString.ToBoolean());
Assert.Throws <FormatException>(() => Invalid.ToBoolean());
bool result;
Assert.True(bool.TrueString.ToBoolean(out result));
Assert.True(result);
Assert.True(bool.FalseString.ToBoolean(out result));
Assert.False(result);
Assert.False(Invalid.ToBoolean(out result));
Assert.False(result);
}
