<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Test: Support 'repeat()' notation for 'grid-template-columns' and 'grid-template-rows' properties</title>
<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
<link rel="help" href="http://www.w3.org/TR/css-grid-1/#repeat-notation" title="5.1.2 Repeating Rows and Columns: the 'repeat()' notation">
<meta name="assert" content="This test checks that 'grid-template-columns' and 'grid-template-rows' properties support 'repeat()' notation, and that their declared value serializes correctly.">
<style>
#grid {
  display: grid;
  width: 800px;
  height: 600px;
  font: 10px/1 Ahem;
  justify-content: start;
  align-content: start;
}
</style>

<div id="log"></div>

<div id="grid">
  <div>GRID ITEM</div>
</div>

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
var {style} = document.getElementById("grid");

function testGridTemplateColumnsRows(assignedValue, expectedValue = assignedValue) {
  test(function() {
      style.gridTemplateColumns = assignedValue;
      style.gridTemplateRows = assignedValue;
      assert_equals(style.gridTemplateColumns, expectedValue, "gridTemplateColumns");
      assert_equals(style.gridTemplateRows, expectedValue, "gridTemplateRows");
  }, `grid-template-columns: ${assignedValue}; and grid-template-rows: ${assignedValue};`);
}

// Valid values.
testGridTemplateColumnsRows("repeat(1, auto)");
testGridTemplateColumnsRows("repeat(2, auto)");
testGridTemplateColumnsRows("repeat(2, minmax(50px, calc(50% + 50px)))");
testGridTemplateColumnsRows("repeat(5, 10%)");
testGridTemplateColumnsRows("max-content repeat(2, 25%) 1fr");
testGridTemplateColumnsRows("repeat(2, min-content 50px)");
testGridTemplateColumnsRows("repeat(2, [a] minmax(50px, 100px) [b] 25em [c])");
testGridTemplateColumnsRows("[a] repeat(2, auto [b] 100px) [c]");
testGridTemplateColumnsRows("[a] auto repeat(2, [b] 100px) [c]");
testGridTemplateColumnsRows("[a] repeat(2, auto [b]) 100px [c]");
testGridTemplateColumnsRows("[a] repeat(2, [b] 100px)");
testGridTemplateColumnsRows("[a] repeat(2, [b] auto [c]) [d]");
testGridTemplateColumnsRows("[a] min-content repeat(2, [b] 1fr [c] calc(10% + 20px)) [d] minmax(30em, 50em) [e]");

// Reset values.
style.gridTemplateColumns = "";
style.gridTemplateRows = "";

// Wrong values.
testGridTemplateColumnsRows("repeat(-1, auto)", "");
testGridTemplateColumnsRows("repeat(auto, 2)", "");
testGridTemplateColumnsRows("repeat 2, auto", "");
testGridTemplateColumnsRows("repeat(2 auto)", "");
testGridTemplateColumnsRows("100px (repeat 2, auto)", "");
testGridTemplateColumnsRows("repeat(2, 50px repeat(2, 100px))", "");
testGridTemplateColumnsRows("100px repeat(2, [a])", "");
</script>