style: Test for calc integer expressions.

servo · bors-servo · Mar 27, 2017 · Mar 26, 2017 · Mar 26, 2017 · Mar 26, 2017
commit 3ab6a20c85f7a9728df0143c40839fb37275dc71
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -11057,6 +11057,12 @@
      {}
     ]
    ],
+   "css/calc-number-serialization.html": [
+    [
+     "/_mozilla/css/calc-number-serialization.html",
+     {}
+    ]
+   ],
    "css/empty-keyframes.html": [
     [
      "/_mozilla/css/empty-keyframes.html",

    "94dc4aac4c546a74add074be0d3e604c8b196888",
    "reftest"
   ],
+  "css/calc-number-serialization.html": [
+   "b9e77c824d0c96e51d51fb8f1e923d3ab67be027",
+   "testharness"
+  ],
   "css/canvas_as_block_element_a.html": [
    "668d93da2dab9722998cc7c5785c20e2ab9a1ced",
    "reftest"
diff --git a/tests/wpt/mozilla/tests/css/calc-number-serialization.html b/tests/wpt/mozilla/tests/css/calc-number-serialization.html
@@ -0,0 +1,18 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>CSS test: Calc expressions with numbers should still serialize as calc()</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="test"></div>
+<script>
+var div = document.querySelector('#test');
+test(function() {
+  div.style.lineHeight = "calc(1)";
+  assert_equals(div.style.lineHeight, "calc(1)");
+}, "calc of an integer expression should be preserved");
+
+test(function() {
+  div.style.lineHeight = "calc(1 + 3)";
+  assert_equals(div.style.lineHeight, "calc(4)");
+}, "expressions on calc() should be simplified");
+</script>