1 files changed, 63 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-page/parsing/size-001.html b/testing/web-platform/tests/css/css-page/parsing/size-001.html
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index 0000000000..885a7b8530
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+++ b/testing/web-platform/tests/css/css-page/parsing/size-001.html
@@ -0,0 +1,63 @@
+<!DOCTYPE html>
+<link rel="author" title="Mozilla" href="https://mozilla.org">
+<link rel="help" href="https://drafts.csswg.org/css-page-3/#page-size-prop">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+@page{
+	size: 640px 480px;
+}
+@page{
+	size: 8.5in 11in;
+}
+@page{
+	size: A4;
+}
+@page{
+	size: 3in 10in;
+}
+@page{
+	size: jis-B5;
+}
+@page{
+	size: auto;
+}
+@page{
+	size: landscape;
+}
+@page{
+    size: letter portrait;
+}
+@page{
+    size: legal landscape;
+}
+</style>
+
+<script>
+'use strict';
+
+const expectedSizes = [
+    "640px 480px",
+    "8.5in 11in",
+    "a4",
+    "3in 10in",
+    "jis-b5",
+    "auto",
+    "landscape",
+    "letter",
+    "legal landscape"
+];
+const sizePrefix = "size: ";
+
+test(t => {
+  assert_equals(document.styleSheets.length, 1);
+  let styleSheet = document.styleSheets[0];
+  assert_equals(styleSheet.rules.length, expectedSizes.length);
+  for(let i = 0; i < expectedSizes.length; i++){
+    let cssText = styleSheet.cssRules[i].style.cssText;
+    assert_true(cssText.startsWith(sizePrefix));
+    cssText = cssText.slice(sizePrefix.length);
+    assert_equals(cssText, expectedSizes[i] + ";", "for rule " + i);
+  }
+}, "size-001");
+</script>