File: grid-item-dynamic-min-contribution-001.html

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<!DOCTYPE html>
<meta charset="utf-8" />
<title>CSS Grid Layout Test: dynamic minimum contribution</title>
<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com" />
<link rel="help" href="https://drafts.csswg.org/css-grid/#min-size-contribution">
<meta name="assert" content="This test checks that grid items are sized correctly when their minimum contribution is dynamically changed with JavaScript." />
<style>
#grid {
  display: grid;
  height: 100px;
  width: 100px;
}
</style>
<div id="log"></div>
<div id="grid">
  <div id="item"></div>
</div>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
const tests = [
  ["auto", "100px"],
  ["0%", "100px"],
  ["100%", "100px"],
  ["200%", "200px"],
  ["300%", "300px"],
  ["400px", "400px"],
  ["500px", "500px"],
];
const item = document.getElementById("item");
for (let [minSize, expectedSize] of tests) {
  test(() => {
    item.style.minHeight = item.style.minWidth = minSize;
    let cs = getComputedStyle(item);
    assert_equals(cs.height, expectedSize, "height");
    assert_equals(cs.width, expectedSize, "width");
  }, `Minimum size: ${minSize}`);
}
</script>