From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../resource/tests/browser_resources_reflows.js    | 111 +++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 devtools/shared/commands/resource/tests/browser_resources_reflows.js

(limited to 'devtools/shared/commands/resource/tests/browser_resources_reflows.js')

diff --git a/devtools/shared/commands/resource/tests/browser_resources_reflows.js b/devtools/shared/commands/resource/tests/browser_resources_reflows.js
new file mode 100644
index 0000000000..e4e7b57f13
--- /dev/null
+++ b/devtools/shared/commands/resource/tests/browser_resources_reflows.js
@@ -0,0 +1,111 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test the ResourceCommand API for reflows
+
+const {
+  TYPES,
+} = require("resource://devtools/shared/commands/resource/resource-command.js");
+
+add_task(async function () {
+  const tab = await addTab(
+    "https://example.com/document-builder.sjs?html=<h1>Test reflow resources</h1>"
+  );
+
+  const { client, resourceCommand, targetCommand } = await initResourceCommand(
+    tab
+  );
+
+  const resources = [];
+  const onAvailable = _resources => {
+    resources.push(..._resources);
+  };
+  await resourceCommand.watchResources([TYPES.REFLOW], {
+    onAvailable,
+  });
+
+  is(resources.length, 0, "No reflow resource were sent initially");
+
+  await SpecialPowers.spawn(tab.linkedBrowser, [], () => {
+    const el = content.document.createElement("div");
+    el.textContent = "1";
+    content.document.body.appendChild(el);
+  });
+
+  await waitFor(() => resources.length === 1);
+  checkReflowResource(resources[0]);
+
+  await SpecialPowers.spawn(tab.linkedBrowser, [], () => {
+    const el = content.document.querySelector("div");
+    el.style.display = "inline-grid";
+  });
+
+  await waitFor(() => resources.length === 2);
+  ok(
+    true,
+    "A reflow resource is sent when the display property of an element is modified"
+  );
+  checkReflowResource(resources.at(-1));
+
+  info("Check that adding an iframe does emit a reflow");
+  const iframeBC = await SpecialPowers.spawn(
+    tab.linkedBrowser,
+    [],
+    async () => {
+      const el = content.document.createElement("iframe");
+      const onIframeLoaded = new Promise(resolve =>
+        el.addEventListener("load", resolve, { once: true })
+      );
+      content.document.body.appendChild(el);
+      el.src =
+        "https://example.org/document-builder.sjs?html=<h2>remote iframe</h2>";
+      await onIframeLoaded;
+      return el.browsingContext;
+    }
+  );
+
+  await waitFor(() => resources.length === 3);
+  ok(true, "A reflow resource was received when adding a remote iframe");
+  checkReflowResource(resources.at(-1));
+
+  info("Check that we receive reflow resources for the remote iframe");
+  await SpecialPowers.spawn(iframeBC, [], () => {
+    const el = content.document.createElement("section");
+    el.textContent = "remote org iframe";
+    el.style.display = "grid";
+    content.document.body.appendChild(el);
+  });
+
+  await waitFor(() => resources.length === 4);
+  if (isFissionEnabled()) {
+    ok(
+      resources.at(-1).targetFront.url.includes("example.org"),
+      "The reflow resource is linked to the remote target"
+    );
+  }
+  checkReflowResource(resources.at(-1));
+
+  targetCommand.destroy();
+  await client.close();
+});
+
+function checkReflowResource(resource) {
+  is(
+    resource.resourceType,
+    TYPES.REFLOW,
+    "The resource has the expected resourceType"
+  );
+
+  ok(Array.isArray(resource.reflows), "the `reflows` property is an array");
+  for (const reflow of resource.reflows) {
+    is(
+      Number.isFinite(reflow.start),
+      true,
+      "reflow start property is a number"
+    );
+    is(Number.isFinite(reflow.end), true, "reflow end property is a number");
+    ok(reflow.end >= reflow.start, "end is greater than start");
+  }
+}
-- 
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