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+<!doctype html>
+<script src='/resources/testharness.js'></script>
+<script src='/resources/testharnessreport.js'></script>
+<link rel='stylesheet' href='./support/base.css' />
+<link rel="help" href="https://drafts.csswg.org/css-tables-3/#in-fixed-mode">
+<main>
+
+    <h1>Fixed Layout</h1>
+    <p>Checks whether fixed layout is implemented properly (width is not definite)</p>
+
+    <hr/>
+    <p>This should be a 100px-wide blue square:</p>
+    <p>Table-layout:fixed does not apply to width:auto tables</p>
+    <x-table style="table-layout: fixed; border-spacing: 0px">
+        <x-tr>
+            <x-td style="padding: 0; background: blue; height: 100px;"><div style="width: 100px"></div></x-td>
+            <x-td style="padding: 0"></x-td>
+        </x-tr>
+    </x-table>
+
+    <hr/>
+    <p>This should be a 100px-wide blue square:</p>
+    <p>Table-layout:fixed does not apply to width:max-content tables</p>
+    <x-table style="table-layout: fixed; width: max-content; border-spacing: 0px">
+        <x-tr>
+            <x-td style="padding: 0; background: blue; height: 100px;"><div style="width: 100px"></div></x-td>
+            <x-td style="padding: 0"></x-td>
+        </x-tr>
+    </x-table>
+
+    <hr/>
+    <p>This should be a 100px-wide blue square:</p>
+    <p>Table-layout:fixed does apply to width:min-content/fit-content tables</p>
+    <x-table style="table-layout: fixed; width: fit-content; border-spacing: 0px">
+        <x-tr>
+            <x-td style="padding: 0; background: blue; height: 50px;"><div style="width: 100px"></div></x-td>
+            <x-td style="padding: 0"></x-td>
+        </x-tr>
+    </x-table>
+    <x-table style="table-layout: fixed; width: min-content; border-spacing: 0px">
+        <x-tr>
+            <x-td style="padding: 0; background: blue; height: 50px;width:100px;"><div style="width: 100px"></div></x-td>
+            <x-td style="padding: 0;height:50px"><div style="width: 100px"></div></x-td>
+        </x-tr>
+    </x-table>
+
+</main>
+
+<script>
+    while(true) {
+        var xtd = document.querySelector('x-td[rowspan], x-td[colspan]'); if(!xtd) break;
+        var td = document.createElement('td'); for(var i = xtd.attributes.length; i--;) { td.setAttribute(xtd.attributes[i].name,xtd.attributes[i].value) }
+        xtd.parentNode.replaceChild(td,xtd);
+    }
+
+    generate_tests(assert_equals, [
+        [
+            "Table-layout:fixed is not applied when width is auto",
+            document.querySelector("x-table:nth-of-type(1) > x-tr:first-child > x-td:first-child").offsetWidth,
+            100
+        ],
+        [
+            "Table-layout:fixed reports fixed when width is auto",
+            getComputedStyle(document.querySelector("x-table:nth-of-type(1)")).tableLayout,
+            'fixed'
+        ],
+        [
+            "Table-layout:fixed is not applied when width is max-content",
+            document.querySelector("x-table:nth-of-type(2) > x-tr:first-child > x-td:first-child").offsetWidth,
+            100
+        ],
+        [
+            "Table-layout:fixed reports fixed when width is max-content",
+            getComputedStyle(document.querySelector("x-table:nth-of-type(2)")).tableLayout,
+            'fixed'
+        ],
+        [
+            "Table-layout:fixed is applied when width is min-content",
+            document.querySelector("x-table:nth-of-type(3) > x-tr:first-child > x-td:first-child").offsetWidth,
+            document.querySelector("x-table:nth-of-type(4) > x-tr:first-child > x-td:first-child").offsetWidth
+        ]
+    ])
+
+</script>