css/css-color/parsing/opacity-valid.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Color Level 3: parsing opacity with valid values</title>
<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
<link rel="help" href="https://www.w3.org/TR/css-color-3/#opacity">
<meta name="assert" content="opacity supports the full grammar '<alphavalue>'.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>
</head>
<body>
<script>
test_valid_value("opacity", "1");
test_valid_value("opacity", "0.5");
test_valid_value("opacity", "0");
test_valid_value("opacity", "-2");
test_valid_value("opacity", "3");
test_valid_value("opacity", "-100%", "-1");
test_valid_value("opacity", "50%", "0.5");
test_valid_value("opacity", "300%", "3");
test_valid_value("opacity", "clamp(50%, 0%, 70%)", "calc(0.5)");
test_valid_value("opacity", "clamp(50%, 80%, 70%)", "calc(0.7)");
test_valid_value("opacity", "clamp(50%, 60%, 70%)", "calc(0.6)");
test_valid_value("opacity", "min(50%, 0%)", "calc(0)");
test_valid_value("opacity", "min(0%, 50%)", "calc(0)");
test_valid_value("opacity", "max(50%, 0%)", "calc(0.5)");
test_valid_value("opacity", "max(0%, 50%)", "calc(0.5)");
test_valid_value("opacity", "min(-40%, 50%)", "calc(-0.4)");

</script>
</body>
</html>