From 8dd16259287f58f9273002717ec4d27e97127719 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 12 Jun 2024 07:43:14 +0200
Subject: Merging upstream version 127.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../cssom/CSSStyleSheet-constructable-baseURL.html | 66 ++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 testing/web-platform/tests/css/cssom/CSSStyleSheet-constructable-baseURL.html

(limited to 'testing/web-platform/tests/css/cssom/CSSStyleSheet-constructable-baseURL.html')
diff --git a/testing/web-platform/tests/css/cssom/CSSStyleSheet-constructable-baseURL.html b/testing/web-platform/tests/css/cssom/CSSStyleSheet-constructable-baseURL.html
new file mode 100644
index 0000000000..d0f0f828b0
--- /dev/null
+++ b/testing/web-platform/tests/css/cssom/CSSStyleSheet-constructable-baseURL.html
@@ -0,0 +1,66 @@
+<!DOCTYPE html>
+<title>CSSStyleSheet baseURL</title>
+<link rel="author" title="Erik Nordin" href="mailto:enordin@mozilla.com">
+<link rel="help" href="https://drafts.csswg.org/cssom-1/#dom-cssstylesheetinit-baseurl">
+<div id="target"></div>
+<script src='/resources/testharness.js'></script>
+<script src='/resources/testharnessreport.js'></script>
+<script>
+
+function currentLocation() {
+  const sections = location.href.split("/")
+  sections.pop();
+  return sections.join("/");
+}
+
+test(() => {
+  const span = document.createElement("span");
+  target.appendChild(span);
+  span.attachShadow({ mode: "open" })
+  const shadowDiv = document.createElement("div");
+  span.shadowRoot.appendChild(shadowDiv);
+
+  const fileName = "example.png"
+  const baseURL = `${location.origin}/custom/path/`;
+  const fullURL = `${baseURL}${fileName}`;
+
+  const sheet = new CSSStyleSheet({ baseURL });
+  span.shadowRoot.adoptedStyleSheets = [sheet];
+
+  sheet.replaceSync(`* { background-image: url("${fileName}"); }`);
+  const styleFromRelative = getComputedStyle(shadowDiv).backgroundImage;
+
+  sheet.replaceSync(`* { background-image: url("${fullURL}"); }`);
+  const styleFromFull = getComputedStyle(shadowDiv).backgroundImage;
+
+  assert_equals(styleFromRelative, styleFromFull);
+}, "Constructing sheet with custom base URL ueses that URL for CSS rules");
+
+test(() => {
+  const span = document.createElement("span");
+  target.appendChild(span);
+  span.attachShadow({ mode: "open" })
+  const shadowDiv = document.createElement("div");
+  span.shadowRoot.appendChild(shadowDiv);
+
+  const fileName = "example.png"
+  const baseURL = "custom/path/";
+  const fullURL = `${currentLocation()}/${baseURL}${fileName}`;
+
+  const sheet = new CSSStyleSheet({ baseURL });
+  span.shadowRoot.adoptedStyleSheets = [sheet];
+
+  sheet.replaceSync(`* { background-image: url("${fileName}"); }`);
+  const styleFromRelative = getComputedStyle(shadowDiv).backgroundImage;
+
+  sheet.replaceSync(`* { background-image: url("${fullURL}"); }`);
+  const styleFromFull = getComputedStyle(shadowDiv).backgroundImage;
+
+  assert_equals(styleFromRelative, styleFromFull);
+}, "Constructing sheet with relative URL adds to the constructor document's base URL");
+
+test(() => {
+  assert_throws_dom("NotAllowedError", () => { new CSSStyleSheet({ baseURL: "https://test:test/"}) });
+}, "Constructing sheet with invalid base URL throws a NotAllowedError");
+
+</script>
-- 
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