[pixel shader fail(sm<2)]
uniform float2 u;

float4 main() : sv_target
{
    return float4(abs(u), abs(u.x - 0.5), abs(-0.4));
}

[test]
uniform 0 float4 0.1 0.7 0.0 0.0
draw quad
probe (0, 0) rgba (0.1, 0.7, 0.4, 0.4)
uniform 0 float4 -0.7 0.1 0.0 0.0
draw quad
probe (0, 0) rgba (0.7, 0.1, 1.2, 0.4)

[pixel shader fail(sm<2)]
uniform float u;

float4 main() : sv_target
{
    int i = u;
    return float4(abs(i), abs(-8), abs(uint(3)), abs(bool(true)));
}

[test]
uniform 0 float 2.0
todo(msl) draw quad
probe (0, 0) rgba(2, 8, 3, 1)
uniform 0 float -1.0
todo(msl) draw quad
probe (0, 0) rgba(1, 8, 3, 1)