| <!DOCTYPE html> |
| <title>calc-size() on flex-basis</title> |
| <link rel="help" href="https://drafts.csswg.org/css-values-5/#calc-size"> |
| <link rel="help" href="https://drafts.csswg.org/css-flexbox/#flex-basis-property"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="stylesheet" href="/fonts/ahem.css"> |
| <style> |
| #container { |
| display: flex; |
| flex-direction: column; |
| font-family: 'Ahem'; |
| font-size: 20px; |
| height: 200px; |
| } |
| #target { |
| height: 50px; |
| flex-grow: 0; |
| flex-shrink: 0; |
| } |
| </style> |
| |
| <div id="container"> |
| <!-- |
| Given the contents of #target (and the Ahem font), intrinsic height is 1ch or 20px |
| --> |
| <div id="target">hello</div> |
| </div> |
| |
| <script> |
| |
| setup({explicit_done: true}); |
| document.fonts.ready.then(()=> { |
| let basic_tests = [ |
| /* I think flex layout rules require expectations be >= 20px */ |
| { value: "274px", expected: "274px" }, |
| { value: "min-content", expected: "20px" }, |
| { value: "fit-content", expected: "20px" }, |
| { value: "max-content", expected: "20px" }, |
| { value: "content", expected: "20px" }, |
| { value: "auto", expected: "50px" }, |
| { value: "calc-size(any, 357px)", expected: "357px" }, |
| { value: "calc-size(any, 220%)", expected: "440px" }, |
| { value: "calc-size(max-content, 350%)", expected: "700px" }, |
| { value: "calc-size(fit-content, 172px)", expected: "172px" }, |
| { value: "calc-size(37px, 193px)", expected: "193px" }, |
| { value: "calc-size(83px, size * 3)", expected: "249px" }, |
| { value: "calc-size(min-content, size / 0.25)", expected: "80px" }, |
| { value: "calc-size(max-content, size * 5.2)", expected: "104px" }, |
| { value: "calc-size(fit-content, size / 4 + 60px)", expected: "65px" }, |
| { value: "calc-size(stretch, size * 2 - 10%)", expected: "380px" }, |
| { value: "calc-size(30px, 15em)", expected: "300px" }, |
| { value: "calc-size(calc-size(any, 30px), 15em)", expected: "300px" }, |
| { value: "calc-size(calc-size(2in, 30px), 15em)", expected: "300px" }, |
| { value: "calc-size(calc-size(min-content, 30px), 15em)", expected: "300px" }, |
| { value: "calc-size(calc-size(min-content, size), size * 3)", expected: "60px" }, |
| { value: "calc-size(auto, size)", expected: "50px" }, |
| { value: "calc-size(auto, size * 1.6 + 23px)", expected: "103px" }, |
| { value: "calc-size(content, size)", expected: "20px" }, |
| { value: "calc-size(content, size * 1.6 + 23px)", expected: "55px" }, |
| { value: "auto", height_value: "auto", expected: "20px" }, |
| { value: "calc-size(auto, size * 3)", height_value: "auto", expected: "60px" }, |
| { value: "auto", height_value: "calc-size(auto, size * 7)", expected: "140px" }, |
| { value: "calc-size(auto, size * 7)", height_value: "calc-size(auto, size * 3)", expected: "420px" }, |
| { value: "auto", height_value: "calc-size(max-content, size + 12px)", expected: "32px" }, |
| { value: "calc-size(auto, size + 4px)", height_value: "calc-size(fit-content, size + 12px)", expected: "36px" }, |
| { value: "372px", height_value: "calc-size(fit-content, size + 12px)", expected: "372px" }, |
| { value: "calc-size(content, size * 7)", height_value: "321px", expected: "140px" }, |
| ]; |
| const container = document.getElementById("container"); |
| const target = document.getElementById("target"); |
| const target_cs = getComputedStyle(target); |
| for (const obj of basic_tests) { |
| test((t) => { |
| target.style.removeProperty("flex-basis"); |
| target.style.flexBasis = obj.value; |
| assert_not_equals(target.style.flexBasis, "", "flex-basis value is accepted"); |
| |
| target.style.removeProperty("height"); |
| if ("height_value" in obj) { |
| target.style.height = obj.height_value; |
| assert_not_equals(target.style.height, "", "height value is accepted"); |
| } |
| |
| assert_equals(target_cs.height, obj.expected, "resulting height is correct"); |
| }, `resolved value for height resulting from flex-basis: ${obj.value}${obj.height_value ? ` and height: ${obj.height_value}` : ""}`); |
| } |
| |
| done(); |
| }); |
| |
| </script> |
