grid-automatic-minimum-for-auto-columns-001.html

<!DOCTYPE html>

<title>CSS Grid: automatic minimum in 'auto' columns</title>

<link rel="author" title="Sergio Villar" href="mailto:svillar@igalia.com">

<link rel="help" href="https://drafts.csswg.org/css-grid/#layout-algorithm">

<link rel="help" href="https://drafts.csswg.org/css-sizing-3/#automatic-minimum-size">

<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=464287">

<meta name="assert" content="Check that grid item's 'min-width' is honored when sizing 'auto' columns.">

<link rel="stylesheet" href="/css/support/grid.css">

<link rel="stylesheet" href="/fonts/ahem.css">

<style>

.grid { font: 10px/1 Ahem; }

.minWidth10 { min-width: 10px; }

.minWidth20 { min-width: 20px; }

.minWidth30 { min-width: 30px; }

.minWidth40 { min-width: 40px; }

.minWidth50 { min-width: 50px; }

.minWidth60 { min-width: 60px; }

.minWidth70 { min-width: 70px; }

.minWidth90 { min-width: 90px; }

.minWidthMaxContent { min-width: max-content; }

.width50 { width: 50px; }

.width60 { width: 60px; }

.width200 { width: 200px; }

.border5 { border: 5px solid #abc; }

.padding8 { padding: 0px 8px 0px; }

/* All these 4 cases are equivalent. We use them interchangeably. */

.gridAuto { grid-template-columns: auto; }

.gridMinMaxAutoAuto { grid-template-columns: minmax(auto, auto); }

.gridMinMaxAutoMaxContent { grid-template-columns: minmax(auto, max-content); }

.gridMinMaxMinContentAuto { grid-template-columns: minmax(min-content, auto); }

/* All these 3 cases are equivalent. We use them interchangeably. */

.gridAutoAndAuto { grid-template-columns: auto auto; }

.gridAutoAndMinMaxAutoAuto { grid-template-columns: auto minmax(auto, auto); }

.gridMinMaxAutoMaxContentAndAuto { grid-template-columns: minmax(auto, max-content) auto; }

</style>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAuto">

    <div class="firstRowFirstColumn minWidth40">XXXXXX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoItemSmallerThanMinSize">

    <div class="firstRowFirstColumn minWidth40">XX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridMinMaxAutoAuto" id="gridMinMaxAutoAuto">

    <div class="firstRowFirstColumn minWidth40">XX XX XX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridMinMaxAutoMaxContent" id="gridMinMaxAutoMaxContent">

    <div class="firstRowFirstColumn minWidth40">XXX XX X</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridMinMaxMinContentAuto" id="gridMinMaxMinContentAuto">

    <div class="firstRowFirstColumn minWidth40">X X X X X X</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoMultipleItems">

    <div class="firstRowFirstColumn minWidth30">XX</div>

    <div class="secondRowFirstColumn minWidth20"">XXXX XXXX</div>

    <div class="thirdRowAutoColumn minWidth10">XX XXXXX X</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridMinMaxAutoAuto" id="gridMinMaxAutoAutoMultipleItemsOneWithoutMinWidth">

    <div class="firstRowFirstColumn minWidth30">XX</div>

    <div class="secondRowFirstColumn">XXXXXX</div>

    <div class="thirdRowAutoColumn minWidth20">XXXX XXXX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridMinMaxAutoMaxContent" id="gridMinMaxAutoMaxContentMultipleItemsOneWithAutoMinWidth">

    <div class="firstRowFirstColumn minWidth30">XX</div>

    <div class="secondRowFirstColumn">XX XXXXXXXX</div>

    <div class="thirdRowAutoColumn minWidth20">XXXX XXXX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAutoAndAuto" id="gridAutoAndAutoFixedWidthChildren">

    <div class="firstRowFirstColumn width200 minWidth50"></div>

    <div class="firstRowSecondColumn width50"></div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAutoAndAuto" id="gridAutoAndAutoOneSpanningOneNonSpannig">

    <div class="firstRowFirstColumn">XX XX</div>

    <div class="secondRowBothColumn minWidth50">XXXXXX X XXX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAutoAndAuto" id="gridAutoAndAutoOneSpanningMultipleNonSpanning">

    <div class="secondRowBothColumn minWidth60">XX XX XX</div>

    <div class="firstRowSecondColumn">X X</div>

    <div class="firstRowSecondColumn">XXXX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAutoAndMinMaxAutoAuto" id="gridAutoAndMinMaxAutoAutoOneSpanningOneNonSpanning">

    <div class="firstRowSecondColumn">X XXX XX</div>

    <div class="secondRowBothColumn minWidth70">XXX XXXX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAutoAndMinMaxAutoAuto" id="gridAutoAndMinMaxAutoAutoMultipleSpanning">

    <div class="secondRowBothColumn minWidth70">XX XX XX</div>

    <div class="firstRowBothColumn">XXXXX X XXXXX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridMinMaxAutoMaxContentAndAuto" id="gridMinMaxAutoMaxContentAndAutoOneSpanningMultipleNonSpanning">

    <div class="firstRowSecondColumn minWidth60">X XXX XX</div>

    <div class="secondRowBothColumn minWidth90">XXXXX XXXXX</div>

    <div class="firstRowFirstColumn">XX XX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridMinMaxAutoMaxContentAndAuto" id="gridMinMaxAutoMaxContentAndAutoMultipleSpanningMultipleNonSpanning">

    <div class="secondRowBothColumn">XX XX XX XX</div>

    <div class="firstRowFirstColumn minWidth40">XXX</div>

    <div class="firstRowBothColumn minWidth90">X XX XXX</div>

    <div class="firstRowSecondColumn">X XX X</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoWithFixedWidthChild">

    <div class="firstRowFirstColumn width60">XXX X</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoWithFixedWidthChildAndMinWidth">

    <div class="firstRowFirstColumn width60 minWidth40">XXX X</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoWithFixedWidthChildAndHigherMinWidth">

    <div class="firstRowFirstColumn width60 minWidth90">XXX X</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAutoAndAuto" id="gridAutoAndAutoOneSpanningFixedWidth">

    <div class="firstRowBothColumn width50">XX XXX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAutoAndAuto" id="gridAutoAndAutoOneSpanningFixedWidthAndMinWidth">

    <div class="firstRowBothColumn width60 minWidth50">XX XXX XX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAutoAndAuto" id="gridAutoAndAutoOneSpanningFixedWidthAndHigherMinWidth">

    <div class="firstRowBothColumn width60 minWidth70">XX XXX XX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoFixedMinWidthWithBorder">

    <div class="firstRowFirstColumn minWidth40 border5">XXXXXX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoFixedMinWidthWithPadding">

    <div class="firstRowFirstColumn minWidth40 padding8">XXXXXX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoFixedMinWidthWithBorderAndPadding">

    <div class="firstRowFirstColumn minWidth40 border5 padding8">XXXXXX</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoAutoMinWidthWithBorder">

    <div class="firstRowFirstColumn border5">XX XXX X</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoAutoMinWidthWithPadding">

    <div class="firstRowFirstColumn padding8">XX XXX X</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoAutoMinWidthWithBorderAndPadding">

    <div class="firstRowFirstColumn border5 padding8">XX XXX X</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoMaxContentMinWidthWithBorder">

    <div class="firstRowFirstColumn minWidthMaxContent border5">X XXXX X</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoMaxContentMinWidthWithPadding">

    <div class="firstRowFirstColumn minWidthMaxContent padding8">X XXXX X</div>

  </div>

</div>

<div class="constrainedContainer">

  <div class="grid gridAuto" id="gridAutoMaxContentMinWidthWithBorderAndPadding">

    <div class="firstRowFirstColumn border5 padding8 minWidthMaxContent">X XXXX X</div>

  </div>

</div>

<script>

function testGridColumnsValues(id, computedColumnValue)

  assert_equals(window.getComputedStyle(document.getElementById(id))

      .getPropertyValue('grid-template-columns'), computedColumnValue);

setup({ explicit_done: true });

document.fonts.ready.then(() => {

  test(() => {

    testGridColumnsValues('gridAuto', '40px');

    testGridColumnsValues('gridAutoItemSmallerThanMinSize', '40px');

    testGridColumnsValues('gridMinMaxAutoAuto', '40px');

    testGridColumnsValues('gridMinMaxAutoMaxContent', '40px');

    testGridColumnsValues('gridMinMaxMinContentAuto', '40px');

    testGridColumnsValues('gridAutoMultipleItems', '30px');

    testGridColumnsValues('gridMinMaxAutoAutoMultipleItemsOneWithoutMinWidth', '60px');

    testGridColumnsValues('gridMinMaxAutoMaxContentMultipleItemsOneWithAutoMinWidth', '80px');

    testGridColumnsValues('gridAutoAndAutoFixedWidthChildren', '200px 50px');

  }, 'Check that min-width is honored when sizing auto columns.');

  test(() => {

    testGridColumnsValues('gridAutoAndAutoOneSpanningOneNonSpannig', '35px 15px');

    testGridColumnsValues('gridAutoAndAutoOneSpanningMultipleNonSpanning', '20px 40px');

    testGridColumnsValues('gridAutoAndMinMaxAutoAutoOneSpanningOneNonSpanning', '20px 50px');

    testGridColumnsValues('gridAutoAndMinMaxAutoAutoMultipleSpanning', '35px 35px');

    testGridColumnsValues('gridMinMaxAutoMaxContentAndAutoOneSpanningMultipleNonSpanning', '25px 65px');

    testGridColumnsValues('gridMinMaxAutoMaxContentAndAutoMultipleSpanningMultipleNonSpanning', '40px 50px');

  }, 'Check that min-width is honored when sizing auto columns and spanning grid items.');

  test(() => {

    testGridColumnsValues('gridAutoWithFixedWidthChild', '60px');

    testGridColumnsValues('gridAutoWithFixedWidthChildAndMinWidth', '60px');

    testGridColumnsValues('gridAutoWithFixedWidthChildAndHigherMinWidth', '90px');

    testGridColumnsValues('gridAutoAndAutoOneSpanningFixedWidth', '25px 25px');

    testGridColumnsValues('gridAutoAndAutoOneSpanningFixedWidthAndMinWidth', '30px 30px');

    testGridColumnsValues('gridAutoAndAutoOneSpanningFixedWidthAndHigherMinWidth', '35px 35px');

  }, 'Check the interactions between width and min-width and auto tracks.');

  test(() => {

    testGridColumnsValues('gridAutoFixedMinWidthWithBorder', '50px');

    testGridColumnsValues('gridAutoFixedMinWidthWithPadding', '56px');

    testGridColumnsValues('gridAutoFixedMinWidthWithBorderAndPadding', '66px');

    testGridColumnsValues('gridAutoAutoMinWidthWithBorder', '40px');

    testGridColumnsValues('gridAutoAutoMinWidthWithPadding', '46px');

    testGridColumnsValues('gridAutoAutoMinWidthWithBorderAndPadding', '56px');

    testGridColumnsValues('gridAutoMaxContentMinWidthWithBorder', '90px');

    testGridColumnsValues('gridAutoMaxContentMinWidthWithPadding', '96px');

    testGridColumnsValues('gridAutoMaxContentMinWidthWithBorderAndPadding', '106px');

  }, 'Check that borders and paddings are considering when computing min sizes.');

  done();

});

</script>

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