public void IsOSPlatformEarlierThan_ReturnsFalse_ForOlderVersionOfCurrentOS(OSPlatform osPlatform)
{
// IsOSPlatformEarlierThan("xyz10.0") running as "xyz11.0" should return false
Version current = Environment.OSVersion.Version;
Version older = new Version(current.Major - 1, 0);
Assert.False(RuntimeInformation.IsOSPlatformEarlierThan($"{osPlatform}{older}"));
Assert.False(RuntimeInformation.IsOSPlatformEarlierThan(osPlatform, older.Major));
if (current.Minor > 0)
{
older = new Version(current.Major, current.Minor - 1);
Assert.False(RuntimeInformation.IsOSPlatformEarlierThan($"{osPlatform}{older}"));
Assert.False(RuntimeInformation.IsOSPlatformEarlierThan(osPlatform, older.Major, older.Minor));
}
if (current.Build > 0)
{
older = new Version(current.Major, current.Minor, current.Build - 1);
Assert.False(RuntimeInformation.IsOSPlatformEarlierThan($"{osPlatform}{older}"));
Assert.False(RuntimeInformation.IsOSPlatformEarlierThan(osPlatform, older.Major, older.Minor, older.Build));
}
if (current.Revision > 0)
{
older = new Version(current.Major, current.Minor, current.Build, current.Revision - 1);
Assert.False(RuntimeInformation.IsOSPlatformEarlierThan($"{osPlatform}{older}"));
Assert.False(RuntimeInformation.IsOSPlatformEarlierThan(osPlatform, older.Major, older.Minor, older.Build, older.Revision));
}
}
public void IsOSPlatformEarlierThan_ReturnsFalse_ForCurrentOS(OSPlatform osPlatform)
{
// IsOSPlatformEarlierThan("xyz1.2.3.4") running as "xyz1.2.3.4" should return false
Version current = Environment.OSVersion.Version;
Assert.False(RuntimeInformation.IsOSPlatformEarlierThan($"{osPlatform}{current}"));
Assert.False(RuntimeInformation.IsOSPlatformEarlierThan(osPlatform, current.Major));
if (current.Minor >= 0)
{
Assert.False(RuntimeInformation.IsOSPlatformEarlierThan(osPlatform, current.Major, current.Minor));
if (current.Build >= 0)
{
Assert.False(RuntimeInformation.IsOSPlatformEarlierThan(osPlatform, current.Major, current.Minor, current.Build));
if (current.Revision >= 0)
{
Assert.False(RuntimeInformation.IsOSPlatformEarlierThan(osPlatform, current.Major, current.Minor, current.Build, current.Revision));
}
}
}
}
public void IsOSPlatformEarlierThan_ReturnsTrue_ForNewerVersionOfCurrentOS(OSPlatform osPlatform)
{
// IsOSPlatformEarlierThan("xyz11.0") running as "xyz10.0" should return true
bool isCurrentPlatfom = RuntimeInformation.IsOSPlatform(osPlatform);
Version current = Environment.OSVersion.Version;
Version newer = new Version(current.Major + 1, 0);
Assert.Equal(isCurrentPlatfom, RuntimeInformation.IsOSPlatformEarlierThan($"{osPlatform}{newer}"));
Assert.Equal(isCurrentPlatfom, RuntimeInformation.IsOSPlatformEarlierThan($"{osPlatform.ToString().ToLower()}{newer}"));
Assert.Equal(isCurrentPlatfom, RuntimeInformation.IsOSPlatformEarlierThan($"{osPlatform.ToString().ToUpper()}{newer}"));
Assert.Equal(isCurrentPlatfom, RuntimeInformation.IsOSPlatformEarlierThan(osPlatform, newer.Major));
newer = new Version(current.Major, current.Minor + 1);
Assert.Equal(isCurrentPlatfom, RuntimeInformation.IsOSPlatformEarlierThan($"{osPlatform}{newer}"));
Assert.Equal(isCurrentPlatfom, RuntimeInformation.IsOSPlatformEarlierThan(osPlatform, newer.Major, newer.Minor));
newer = new Version(current.Major, current.Minor, current.Build + 1);
Assert.Equal(isCurrentPlatfom, RuntimeInformation.IsOSPlatformEarlierThan($"{osPlatform}{newer}"));
Assert.Equal(isCurrentPlatfom, RuntimeInformation.IsOSPlatformEarlierThan(osPlatform, newer.Major, newer.Minor, newer.Build));
newer = new Version(current.Major, current.Minor, current.Build, current.Revision + 1);
Assert.Equal(isCurrentPlatfom, RuntimeInformation.IsOSPlatformEarlierThan($"{osPlatform}{newer}"));
Assert.Equal(isCurrentPlatfom, RuntimeInformation.IsOSPlatformEarlierThan(osPlatform, newer.Major, newer.Minor, newer.Build, newer.Revision));
}
[InlineData("numbers1.2inplatformname1.2")] // numbers in platform names are not supported https://github.com/dotnet/runtime/pull/39005#discussion_r452644601
public void IsOSPlatformEarlierThan_InvalidVersionNumber_ThrowsArgumentExceptionWithArgumentName(string platformName)
{
Assert.Throws <ArgumentException>("platformName", () => RuntimeInformation.IsOSPlatformEarlierThan(platformName));
}
public void IsOSPlatformEarlierThan_Empty_ThrowsArgumentNullExceptionWithArgumentName()
{
Assert.Throws <ArgumentException>("platformName", () => RuntimeInformation.IsOSPlatformEarlierThan(string.Empty));
}