o("-0em / 1px", { is_negative: true });
test_zero(" 0cqi / 1px", { is_negative: false });
test_zero('atan2(-0cap / 1px, 0em / 1px)', { is_negative: true });
test_zero('exp(-1vh / 0px)', { is_negative: false });

test_math_used("calc(20cqw / 1rem)", "2", {"prop": "z-index"});

testComputedValueGreaterOrLowerThan("animation-duration", "calc(2s / (10s - 10s) * 1s)", REALLY_LARGE);
testTransformValuesCloseTo("rotate(calc((40em - 40px) / 1px * 1deg - 0.5turn))", 0.0001, "rotate(180deg)", "subtraction of angle un