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+<!DOCTYPE HTML>
+<!--
+ Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<html><head>
+ <meta charset="utf-8">
+ <title>Reference: 'grid-column-gap'</title>
+ <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1176792">
+ <style type="text/css">
+html,body {
+ color:black; background-color:white; font-size:16px; padding:0; margin:0;
+}
+
+.grid {
+ display: grid;
+ grid-auto-columns: minmax(1px,auto);
+ grid-template-rows: 0px 7px;
+ border: 2px solid black;
+ float: left;
+ margin-right: 20px;
+}
+
+.grid :last-child { background:grey; }
+.grid :nth-child(2) { background:pink; }
+.grid .gap { background:transparent; }
+
+x { background: lime; height:7px; }
+ </style>
+</head>
+<body>
+
+<script>
+document.body.style.display = "none";
+var justify = [
+ "start",
+ "end",
+ "center",
+ "start",
+ "end",
+ "start",
+ "start",
+ "start",
+ "start",
+ "end",
+ "center",
+ "start",
+ "end",
+ "start",
+ "end safe",
+ "end",
+ "center",
+ "center",
+ "end",
+ "end safe",
+ "start",
+ "center",
+ "end",
+ "end safe",
+ "left",
+ "end",
+];
+var cols = [ "0", "1", "2", "3", "8", "9" ];
+var widths = [ "0", "1", "5", "6" ];
+var gaps = [ "1", "2" ];
+for (var j = 0; j < justify.length; ++j) {
+ // document.body.appendChild(document.createTextNode(justify[j])); // for debugging
+ var chunk = document.createElement('div');
+ chunk.setAttribute("style", "border:1px solid; padding:2px 10px; overflow:hidden");
+ for (var c = 0; c < cols.length; ++c) {
+ for (var w = 0; w < widths.length; ++w) {
+ // set this to true if you want to see all tests
+ var run_test = widths[w] < cols[c] || cols[c] == 0 || cols[c] == 1;
+ if (run_test) {
+ for (var g = 0; g < gaps.length; ++g) {
+ var grid = document.createElement('div');
+ grid.style.width = widths[w]+"px";
+ grid.className = "grid";
+ grid.style.justifyContent = justify[j];
+ var span = document.createElement('span');
+ grid.appendChild(span);
+ var numCols = parseInt(cols[c]);
+ var gapCols = numCols==0 ? 0 : (numCols-1);
+ numCols += gapCols*parseInt(gaps[g]);
+ span.style.gridColumn = "1 / span " + numCols;
+ for (var x = 0; x < numCols; ++x) {
+ var item = document.createElement('x');
+ if (x % (1+(parseInt(gaps[g]))) != 0)
+ item.className = "gap";
+ grid.appendChild(item);
+ }
+ if (j < 5) { // The stretch tests.
+ if (c == 1)
+ grid.style.background = 'pink'
+ }
+ if (j == 6 && cols[c] == 1) { // The 'end safe' tests.
+ if (widths[w] != 0) grid.style.justifyContent = 'end';
+ }
+ if (j == 7 && cols[c] == 1) { // The 'center safe' tests.
+ if (widths[w] != 0) grid.style.justifyContent = 'center';
+ }
+ if (j > 15) { // The space-around and space-evenly tests.
+ if (cols[c] == 1) {
+ if (widths[w] == 0) {
+ if (grid.style.justifyContent != 'end') {
+ grid.style.justifyContent = 'start';
+ }
+ } else {
+ grid.style.justifyContent = 'center';
+ }
+ }
+ }
+ chunk.appendChild(grid);
+ }
+ }
+ }
+ }
+ document.body.appendChild(chunk);
+}
+document.body.style.display = "";
+</script>
+
+</body>
+</html>