chromium/third_party/blink/web_tests/fast/css-grid-layout/grid-auto-columns-rows-get-set.html

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<link href="resources/grid.css" rel="stylesheet">
<style>
.gridAutoFixedFixed {
    grid-auto-rows: 30px;
    grid-auto-columns: 50px;
}

.gridAutoMinMax {
    grid-auto-rows: minmax(10%, 15px);
    grid-auto-columns: minmax(30%, 100px);
}

.gridAutoMinMaxContent {
    grid-auto-rows: min-content;
    grid-auto-columns: max-content;
}

.gridAutoFixedFixedWithFixedFixed {
    grid-auto-rows: 30px;
    grid-auto-columns: 40px;
    grid-template-rows: 15px;
    grid-template-columns: 20px;
}

.gridAutoAutoInMinMax {
    grid-auto-rows: minmax(auto, 8vh);
    grid-auto-columns: minmax(10vw, auto);
}

.gridAutoMultipleTracks {
    width: 100px;
    height: 50px;
    grid-auto-rows: 10px 20px 30px;
    grid-auto-columns: 25px 50px 100px;
}

.gridAutoFitContent {
    height: 50px;
    grid-auto-columns: fit-content(30px);
    grid-auto-rows: fit-content(50%);
}

</style>
<script src="../../resources/js-test.js"></script>
<script src="resources/grid-definitions-parsing-utils.js"></script>
</head>
<body>
<div class="grid gridAutoFixedFixed" id="gridAutoFixedFixed"></div>
<div class="grid gridAutoMinMax" id="gridAutoMinMax"></div>
<div class="grid gridAutoMinMaxContent" id="gridAutoMinMaxContent"></div>
<div class="grid gridAutoAutoInMinMax" id="gridAutoAutoInMinMax"></div>
<div class="grid gridAutoFixedFixed" id="gridAutoFixedFixedWithChildren">
    <div class="sizedToGridArea firstRowFirstColumn"></div>
</div>
<div class="grid gridAutoFixedFixedWithFixedFixed" id="gridAutoFixedFixedWithFixedFixedWithChildren">
    <div class="sizedToGridArea thirdRowAutoColumn"></div>
    <div class="sizedToGridArea autoRowThirdColumn"></div>
</div>
<div class="grid gridAutoMultipleTracks" id="gridAutoMultipleTracks">
    <div style="grid-column: 1; grid-row: 1"></div>
    <div style="grid-column: 2; grid-row: 2"></div>
    <div style="grid-column: 3; grid-row: 3"></div>
    <div style="grid-column: 4; grid-row: 4"></div>
</div>
<div class="grid gridAutoMultipleTracks" id="gridAutoMultipleTracksNegativeIndexes">
    <div style="grid-column: -2; grid-row: -2"></div>
    <div style="grid-column: -3; grid-row: -3"></div>
    <div style="grid-column: -4; grid-row: -4"></div>
    <div style="grid-column: -5; grid-row: -5"></div>
</div>
<div class="grid gridAutoFitContent" id="gridAutoFitContent"></div>

<script>
description('Test that setting and getting grid-auto-columns and grid-auto-rows works as expected');

debug("Test getting grid-auto-columns and grid-auto-rows set through CSS");
testGridAutoDefinitionsValues(document.getElementById("gridAutoFixedFixed"), "30px", "50px");
testGridAutoDefinitionsValues(document.getElementById("gridAutoMinMax"), "minmax(10%, 15px)", "minmax(30%, 100px)");
testGridAutoDefinitionsValues(document.getElementById("gridAutoMinMaxContent"), "min-content", "max-content");
testGridAutoDefinitionsValues(document.getElementById("gridAutoAutoInMinMax"), "minmax(auto, 48px)", "minmax(80px, auto)");
testGridAutoDefinitionsValues(document.getElementById("gridAutoFitContent"), "fit-content(50%)", "fit-content(30px)");

debug("");
debug("Test that getting grid-template-columns and grid-template-rows set through CSS lists every track listed whether implicitly or explicitly created");
testGridAutoDefinitionsValues(document.getElementById("gridAutoFixedFixedWithChildren"), "30px", "50px");
testGridDefinitionsValues(document.getElementById("gridAutoFixedFixedWithChildren"), "50px", "30px");
testGridAutoDefinitionsValues(document.getElementById("gridAutoFixedFixedWithFixedFixedWithChildren"), "30px", "40px");
testGridDefinitionsValues(document.getElementById("gridAutoFixedFixedWithFixedFixedWithChildren"), "20px 40px 40px", "15px 30px 30px");
testGridDefinitionsValues(document.getElementById("gridAutoMultipleTracks"), "25px 50px 100px 25px", "10px 20px 30px 10px");
testGridDefinitionsValues(document.getElementById("gridAutoMultipleTracksNegativeIndexes"), "100px 25px 50px 100px", "30px 10px 20px 30px");

debug("");
debug("Test that grid-template-* definitions are not affected by grid-auto-* definitions");
testGridDefinitionsValues(document.getElementById("gridAutoFixedFixed"), "none", "none");
testGridDefinitionsValues(document.getElementById("gridAutoMinMax"), "none", "none");
testGridDefinitionsValues(document.getElementById("gridAutoMinMaxContent"), "none", "none");

debug("");
debug("Test the initial value");
var element = document.createElement("div");
document.body.appendChild(element);
shouldBe("getComputedStyle(element, '').getPropertyValue('grid-auto-columns')", "'auto'");
shouldBe("getComputedStyle(element, '').getPropertyValue('grid-auto-rows')", "'auto'");

function testAutoValues(autoCols, autoRows, computedAutoCols, computedAutoRows) {
     element = document.createElement("div");
     document.body.appendChild(element);
     element.style.fontSize = "10px";
     element.style.gridAutoColumns = autoCols;
     element.style.gridAutoRows = autoRows;
     shouldBeEqualToString("getComputedStyle(element, '').getPropertyValue('grid-auto-columns')", computedAutoCols || autoCols);
     shouldBeEqualToString("getComputedStyle(element, '').getPropertyValue('grid-auto-rows')", computedAutoRows || autoRows);
}

debug("");
debug("Test getting and setting grid-auto-columns and grid-auto-rows through JS");
testAutoValues("18em", "66em", "180px", "660px");
testAutoValues("minmax(min-content, 8vh)", "minmax(10vw, min-content)", "minmax(min-content, 48px)", "minmax(80px, min-content)");
testAutoValues("minmax(min-content, max-content)", "minmax(max-content, min-content)");
testAutoValues("minmax(min-content, 10px) 48px 5%", "auto 30px minmax(10%, 60%)");
testAutoValues("fit-content(10px) fit-content(30%)", "fit-content(5%) fit-content(calc(20px + 2em))", "fit-content(10px) fit-content(30%)", "fit-content(5%) fit-content(40px)");
testAutoValues("minmax(auto, 2fr)", "minmax(auto, 1fr)", "2fr", "1fr");

debug("");
debug("Test setting grid-auto-columns and grid-auto-rows to bad minmax value through JS");
testAutoValues("minmax(10px 20px)", "minmax(10px)", "auto", "auto");
testAutoValues("minmax(minmax(10px, 20px), 20px)", "minmax(10px, 20px, 30px)", "auto", "auto");
testAutoValues("minmax()", "minmax(30px 30% 30em)", "auto", "auto");
testAutoValues("none", "none", "auto", "auto");
testAutoValues("10px [a] 20px", "[z] auto [y] min-content", "auto", "auto");
testAutoValues("repeat(2, 10px [a] 20px)", "[z] repeat(auto-fit, 100px)", "auto", "auto");
testAutoValues("fit-content(min-content) fit-content(auto)", "fit-content(fit-content(3%)) fit-content(minmax(2px, 30px))", "auto", "auto");

function testInherit()
{
    var parentElement = document.createElement("div");
    document.body.appendChild(parentElement);
    parentElement.style.gridAutoColumns = "50px";
    parentElement.style.gridAutoRows = "101%";

    element = document.createElement("div");
    parentElement.appendChild(element);
    element.style.gridAutoColumns = "inherit";
    element.style.gridAutoRows = "inherit";
    shouldBe("getComputedStyle(element, '').getPropertyValue('grid-auto-columns')", "'50px'");
    shouldBe("getComputedStyle(element, '').getPropertyValue('grid-auto-rows')", "'101%'");

    document.body.removeChild(parentElement);
}
debug("");
debug("Test setting grid-auto-columns and grid-auto-rows to 'inherit' through JS");
testInherit();

function testInitial()
{
    element = document.createElement("div");
    document.body.appendChild(element);
    element.style.gridAutoColumns = "150%";
    element.style.gridAutoRows = "1fr";
    shouldBe("getComputedStyle(element, '').getPropertyValue('grid-auto-columns')", "'150%'");
    shouldBe("getComputedStyle(element, '').getPropertyValue('grid-auto-rows')", "'1fr'");

    element.style.gridAutoColumns = "initial";
    element.style.gridAutoRows = "initial";
    shouldBe("getComputedStyle(element, '').getPropertyValue('grid-auto-columns')", "'auto'");
    shouldBe("getComputedStyle(element, '').getPropertyValue('grid-auto-rows')", "'auto'");

    document.body.removeChild(element);
}
debug("");
debug("Test setting grid-auto-columns and grid-auto-rows to 'initial' through JS");
testInitial();
</script>
</body>
</html>