public void GetInstance_null_returns_current()
{
var info = ConsoleFormatInfo.GetInstance(null);
info.Should()
.BeSameAs(ConsoleFormatInfo.CurrentInfo);
}
public void GetFormat_returns_null()
{
var info = new ConsoleFormatInfo();
info.GetFormat(typeof(NumberFormatInfo))
.Should()
.BeNull();
}
public void GetFormat_returns_instance()
{
var info = new ConsoleFormatInfo();
info.GetFormat(typeof(ConsoleFormatInfo))
.Should()
.BeSameAs(info);
}
public void GetInstance_returns_same()
{
var info = new ConsoleFormatInfo();
var instance = ConsoleFormatInfo.GetInstance(info);
instance.Should().BeSameAs(info);
instance.Should().NotBeSameAs(ConsoleFormatInfo.CurrentInfo);
}
public void GetInstance_calls_GetFormat_on_provider()
{
var info = new ConsoleFormatInfo();
var provider = new MockFormatProvider()
{
TestInfo = info
};
var instance = ConsoleFormatInfo.GetInstance(provider);
instance.Should().BeSameAs(info);
instance.Should().NotBeSameAs(ConsoleFormatInfo.CurrentInfo);
provider.GetFormatCallCount.Should().Be(1);
}
public void Can_create_modify_and_readonly_format_info()
{
var info = new ConsoleFormatInfo();
info.IsReadOnly.Should().BeFalse();
info.SupportsAnsiCodes = true;
info.SupportsAnsiCodes.Should().BeTrue();
var readonlyInfo = ConsoleFormatInfo.ReadOnly(info);
readonlyInfo.IsReadOnly.Should().BeTrue();
Assert.Throws <InvalidOperationException>(() => readonlyInfo.SupportsAnsiCodes = false);
}
public void Control_codes_respect_ConsoleFormatInfo(bool supportsAnsiCodes)
{
IFormattable code = new AnsiControlCode($"{Ansi.Esc}[s");
IFormatProvider provider = new ConsoleFormatInfo()
{
SupportsAnsiCodes = supportsAnsiCodes
};
string output = code.ToString(null, provider);
if (supportsAnsiCodes)
{
output.Should().Contain(Ansi.Esc);
}
else
{
output.Should().BeEmpty();
}
}
public void Set_current_throws_argnull()
{
var info = new ConsoleFormatInfo();
Assert.Throws <ArgumentNullException>(() => ConsoleFormatInfo.CurrentInfo = null);
}
public void ReadOnly_throws_argnull()
{
Assert.Throws <ArgumentNullException>(() => ConsoleFormatInfo.ReadOnly(null));
}
